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2026-05-12 03:17:27 +07:00
commit 3ab6f6cc39
60 changed files with 6796 additions and 0 deletions
@@ -0,0 +1,9 @@
+PAYMENT_ACCOUNT_NAME="Your Account Name"
+KBZPAY_NUMBER="09..."
+AYAPAY_NUMBER="09..."
+AYAPAY_QR_PATH="/aya-pay-qr.png"
+ADMIN_TOKEN="replace-with-a-long-random-token"
+TELEGRAM_BOT_TOKEN="123456:ABC..."
+TELEGRAM_CHAT_ID="123456789"
+ORDER_EXPIRY_SECONDS=600
+PORT=8000
@@ -0,0 +1,21 @@
+orders.db
+orders.db-shm
+orders.db-wal
+uploads/
+backend/database/*.db
+backend/database/*.db-shm
+backend/database/*.db-wal
+backend/uploads/
+backend/.env
+backend/node_modules/
+backend/sessions/
+.pycache/
+__pycache__/
+.DS_Store
+node_modules/
+notification/node_modules/
+notification/.env
+notification/logs/
+live-checking/.env
+live-checking/logs/
+live-checking/state/
@@ -0,0 +1,107 @@
+# Game Top-Up Automation System
+
+Manual payment flow for KBZPay / AYA Pay:
+
+1. User places an order.
+2. The system creates an `ORD...` order ID and adds random digits to the product price.
+3. User pays the exact amount and uploads a screenshot.
+4. Telegram sends you the order, amount, method, screenshot, and action buttons.
+5. You verify the payment inside KBZPay / AYA Pay.
+6. Confirm, reject, or mark completed from Telegram or the admin panel.
+7. Confirmed orders are added to the automation queue.
+
+## Project Structure
+
+```text
+frontend/          Customer and admin HTML/CSS/JS
+backend/           Queue, database, uploads, and automation worker foundation
+bot/               Telegram bot expansion area
+notification/      Email alert system
+live-checking/     Health, balance, queue, browser, and session monitoring
+logs/              Runtime logs
+```
+
+## Run
+
+```bash
+python3 server.py
+```
+
+Open `http://127.0.0.1:8000`.
+
+## Environment
+
+Set these before running in production:
+
+```bash
+export PAYMENT_ACCOUNT_NAME="Your Name"
+export KBZPAY_NUMBER="09..."
+export AYAPAY_NUMBER="09..."
+export AYAPAY_QR_PATH="/aya-pay-qr.png"
+export ADMIN_TOKEN="use-a-long-random-token"
+export TELEGRAM_BOT_TOKEN="123456:ABC..."
+export TELEGRAM_CHAT_ID="123456789"
+```
+
+Optional:
+
+```bash
+export ORDER_EXPIRY_SECONDS=600
+export PORT=8000
+```
+
+## Automation Worker
+
+The worker is dry-run by default. It reads confirmed orders from the queue and marks them completed without touching Smile.one until real browser automation is connected.
+
+```bash
+cd backend
+npm run worker:once
+npm run worker
+```
+
+Set `AUTOMATION_DRY_RUN=false` in `backend/.env` only after the Smile.one browser automation adapter is implemented and tested.
+
+## Telegram Webhook
+
+Point your Telegram bot webhook to:
+
+```text
+https://your-domain.com/api/telegram/webhook
+```
+
+The bot buttons use callback data:
+
+- `confirm:ORDER_ID` marks the order `paid`
+- `reject:ORDER_ID` marks the order `rejected`
+- `complete:ORDER_ID` marks the order `completed`
+
+## Database
+
+The app stores SQLite data at `backend/database/orders.db` with:
+
+- `orders`
+- `transaction_logs`
+- `order_queue`
+- `smile_accounts`
+
+Uploads are stored in `backend/uploads/` and served from `/uploads/...`.
+
+Put the AYA Pay banking QR image at `frontend/aya-pay-qr.png`, or set `AYAPAY_QR_PATH` to the public URL/path for your QR image.
+
+## Live Checking
+
+```bash
+cd live-checking
+npm run check
+npm start
+```
+
+Dry-run mode is enabled by default so checks log alerts before real email credentials are configured.
+
+## Important Fraud Rules
+
+- Never trust screenshots alone.
+- Always verify inside your KBZPay / AYA Pay wallet app.
+- Reject unclear screenshots, edited screenshots, wrong amounts, stale payments, or mismatched payment methods.
+- Use the transaction log when reviewing disputes.
@@ -0,0 +1,16 @@
+SMARTCOIN_API_BASE=http://127.0.0.1:8000
+ADMIN_TOKEN=test-token
+
+AUTOMATION_DRY_RUN=true
+AUTOMATION_INTERVAL_SECONDS=20
+AUTOMATION_MAX_ATTEMPTS=2
+AUTOMATION_DELAY_MS=2500
+
+SMILE_ROUTING_STRATEGY=balance-aware
+
+PUPPETEER_HEADLESS=false
+PUPPETEER_SLOW_MO_MS=100
+PUPPETEER_SESSION_DIR=./sessions
+PUPPETEER_NAVIGATION_TIMEOUT_MS=45000
+PUPPETEER_EXECUTABLE_PATH=/Applications/Google Chrome.app/Contents/MacOS/Google Chrome
+SMILE_BASE_URL=https://www.smile.one/
@@ -0,0 +1,105 @@
+const fs = require("fs");
+const path = require("path");
+const { loadEnv } = require("../utils/env");
+const logger = require("../utils/logger");
+
+loadEnv();
+
+function boolFromEnv(name, fallback) {
+  const raw = process.env[name];
+  if (raw === undefined) return fallback;
+  return ["1", "true", "yes", "on"].includes(raw.toLowerCase());
+}
+
+function numberFromEnv(name, fallback) {
+  const value = Number(process.env[name]);
+  return Number.isFinite(value) ? value : fallback;
+}
+
+function resolveFromBackend(rawPath) {
+  if (path.isAbsolute(rawPath)) return rawPath;
+  return path.join(__dirname, "..", rawPath);
+}
+
+function getBrowserConfig(accountEmail = "default") {
+  const sessionRoot = resolveFromBackend(process.env.PUPPETEER_SESSION_DIR || "./sessions");
+  const safeAccount = accountEmail.replace(/[^a-z0-9._-]/gi, "_");
+  return {
+    headless: boolFromEnv("PUPPETEER_HEADLESS", false),
+    slowMo: numberFromEnv("PUPPETEER_SLOW_MO_MS", 100),
+    navigationTimeoutMs: numberFromEnv("PUPPETEER_NAVIGATION_TIMEOUT_MS", 45000),
+    executablePath:
+      process.env.PUPPETEER_EXECUTABLE_PATH ||
+      "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
+    userDataDir: path.join(sessionRoot, safeAccount),
+    baseUrl: process.env.SMILE_BASE_URL || "https://www.smile.one/",
+  };
+}
+
+async function launchBrowser(accountEmail) {
+  const puppeteer = require("puppeteer-core");
+  const config = getBrowserConfig(accountEmail);
+  fs.mkdirSync(config.userDataDir, { recursive: true });
+
+  const browser = await puppeteer.launch({
+    headless: config.headless,
+    executablePath: config.executablePath,
+    slowMo: config.slowMo,
+    userDataDir: config.userDataDir,
+    defaultViewport: {
+      width: 1366,
+      height: 900,
+    },
+    args: [
+      "--no-sandbox",
+      "--disable-setuid-sandbox",
+      "--disable-dev-shm-usage",
+    ],
+  });
+
+  const page = await browser.newPage();
+  page.setDefaultNavigationTimeout(config.navigationTimeoutMs);
+  page.setDefaultTimeout(config.navigationTimeoutMs);
+
+  logger.info("Puppeteer browser launched", {
+    accountEmail,
+    headless: config.headless,
+    userDataDir: config.userDataDir,
+  });
+
+  return {
+    browser,
+    page,
+    config,
+  };
+}
+
+async function smokeCheck() {
+  const session = await launchBrowser("smoke-check");
+  try {
+    await session.page.goto(session.config.baseUrl, {
+      waitUntil: "domcontentloaded",
+    });
+    logger.info("Puppeteer smoke check loaded Smile.one", {
+      url: session.page.url(),
+      title: await session.page.title(),
+    });
+  } finally {
+    await session.browser.close();
+  }
+}
+
+if (require.main === module) {
+  smokeCheck().catch((error) => {
+    logger.error("Puppeteer smoke check failed", {
+      error: error.message,
+      stack: error.stack,
+    });
+    process.exit(1);
+  });
+}
+
+module.exports = {
+  getBrowserConfig,
+  launchBrowser,
+};
@@ -0,0 +1,60 @@
+const logger = require("../utils/logger");
+const { launchBrowser } = require("./browserSession");
+const selectors = require("./smileOneSelectors");
+
+function delay(ms) {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+async function purchaseTopup({ order, account, dryRun, delayMs }) {
+  logger.info("Smile.one automation started", {
+    orderId: order.order_id,
+    account: account.email,
+    dryRun,
+  });
+
+  await delay(delayMs);
+
+  if (dryRun) {
+    logger.info("Smile.one dry-run purchase completed", {
+      orderId: order.order_id,
+      game: order.game,
+      product: order.product,
+      userGameId: order.user_game_id,
+    });
+    return {
+      ok: true,
+      dryRun: true,
+      reference: `DRY-${order.order_id}`,
+    };
+  }
+
+  validateSelectors();
+  const session = await launchBrowser(account.email);
+  try {
+    await session.page.goto(session.config.baseUrl, {
+      waitUntil: "domcontentloaded",
+    });
+    await delay(delayMs);
+
+    throw new Error("Smile.one selectors are configured, but the purchase flow still needs site-specific steps");
+  } finally {
+    await session.browser.close();
+  }
+}
+
+function validateSelectors() {
+  const missing = [];
+  for (const [groupName, group] of Object.entries(selectors)) {
+    for (const [name, value] of Object.entries(group)) {
+      if (!value) missing.push(`${groupName}.${name}`);
+    }
+  }
+  if (missing.length > 0) {
+    throw new Error(`Smile.one selectors are not configured: ${missing.join(", ")}`);
+  }
+}
+
+module.exports = {
+  purchaseTopup,
+};
@@ -0,0 +1,18 @@
+module.exports = {
+  login: {
+    emailInput: "",
+    passwordInput: "",
+    submitButton: "",
+    loggedInMarker: "",
+  },
+  product: {
+    gameSearchInput: "",
+    userIdInput: "",
+    packageButton: "",
+    confirmButton: "",
+    successMarker: "",
+  },
+  balance: {
+    amountText: "",
+  },
+};
@@ -0,0 +1 @@
+
@@ -0,0 +1,42 @@
+CREATE TABLE IF NOT EXISTS orders (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  order_id TEXT NOT NULL UNIQUE,
+  game TEXT NOT NULL,
+  user_game_id TEXT NOT NULL,
+  product TEXT NOT NULL,
+  amount INTEGER NOT NULL,
+  payment_method TEXT,
+  transaction_id TEXT,
+  screenshot TEXT,
+  status TEXT NOT NULL,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS transaction_logs (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  order_id TEXT NOT NULL,
+  action TEXT NOT NULL,
+  detail TEXT,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS order_queue (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  order_id TEXT NOT NULL UNIQUE,
+  status TEXT NOT NULL CHECK(status IN ('waiting', 'processing', 'completed', 'failed')),
+  attempts INTEGER NOT NULL DEFAULT 0,
+  last_error TEXT,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS smile_accounts (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  email TEXT NOT NULL UNIQUE,
+  cookies TEXT,
+  balance INTEGER NOT NULL DEFAULT 0,
+  status TEXT NOT NULL CHECK(status IN ('active', 'paused', 'failed')),
+  last_used TIMESTAMP,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
@@ -0,0 +1,936 @@
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+      "license": "ISC",
+      "engines": {
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+    },
+    "node_modules/yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      }
+    },
+    "node_modules/zod": {
+      "version": "3.25.76",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
+      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    }
+  }
+}
@@ -0,0 +1,15 @@
+{
+  "name": "smartcoin-automation-backend",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Queue and automation worker foundation for SmartCoin game top-up processing.",
+  "main": "workers/queueWorker.js",
+  "scripts": {
+    "worker": "node workers/queueWorker.js",
+    "worker:once": "node workers/queueWorker.js once",
+    "browser:check": "node automation/browserSession.js"
+  },
+  "dependencies": {
+    "puppeteer-core": "^24.8.2"
+  }
+}
@@ -0,0 +1 @@
+
@@ -0,0 +1,34 @@
+function getConfig() {
+  return {
+    baseUrl: process.env.SMARTCOIN_API_BASE || "http://127.0.0.1:8000",
+    adminToken: process.env.ADMIN_TOKEN || "test-token",
+  };
+}
+
+async function request(path, options = {}) {
+  const config = getConfig();
+  const separator = path.includes("?") ? "&" : "?";
+  const url = `${config.baseUrl}${path}${separator}token=${encodeURIComponent(config.adminToken)}`;
+  let response;
+  try {
+    response = await fetch(url, {
+      headers: {
+        "Content-Type": "application/json",
+        ...(options.headers || {}),
+      },
+      ...options,
+    });
+  } catch (error) {
+    const cause = error.cause?.message || error.message;
+    throw new Error(`Cannot reach SmartCoin API at ${config.baseUrl}: ${cause}`);
+  }
+  const payload = await response.json();
+  if (!response.ok) {
+    throw new Error(payload.error || `Request failed with HTTP ${response.status}`);
+  }
+  return payload;
+}
+
+module.exports = {
+  request,
+};
@@ -0,0 +1,28 @@
+function activeAccounts(accounts) {
+  return accounts.filter((account) => account.status === "active");
+}
+
+function selectAccount(accounts, order, strategy = "balance-aware") {
+  const candidates = activeAccounts(accounts);
+  if (candidates.length === 0) {
+    throw new Error("No active Smile.one accounts are available");
+  }
+
+  if (strategy === "round-robin") {
+    return candidates
+      .slice()
+      .sort((left, right) => {
+        const leftUsed = left.last_used || "";
+        const rightUsed = right.last_used || "";
+        return leftUsed.localeCompare(rightUsed);
+      })[0];
+  }
+
+  return candidates
+    .filter((account) => Number(account.balance || 0) >= Number(order.amount || 0))
+    .sort((left, right) => Number(right.balance || 0) - Number(left.balance || 0))[0] || candidates[0];
+}
+
+module.exports = {
+  selectAccount,
+};
@@ -0,0 +1,32 @@
+const fs = require("fs");
+const path = require("path");
+
+function loadEnvFile(filePath) {
+  if (!fs.existsSync(filePath)) return;
+
+  for (const line of fs.readFileSync(filePath, "utf8").split(/\r?\n/)) {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith("#")) continue;
+
+    const index = trimmed.indexOf("=");
+    if (index === -1) continue;
+
+    const key = trimmed.slice(0, index).trim();
+    let value = trimmed.slice(index + 1).trim();
+    if (
+      (value.startsWith('"') && value.endsWith('"')) ||
+      (value.startsWith("'") && value.endsWith("'"))
+    ) {
+      value = value.slice(1, -1);
+    }
+    if (!process.env[key]) process.env[key] = value;
+  }
+}
+
+function loadEnv() {
+  loadEnvFile(path.join(__dirname, "..", ".env"));
+}
+
+module.exports = {
+  loadEnv,
+};
@@ -0,0 +1,31 @@
+const fs = require("fs");
+const path = require("path");
+
+const logDir = path.join(__dirname, "..", "..", "logs");
+const logFile = path.join(logDir, "automation-worker.log");
+
+function write(level, message, meta = {}) {
+  fs.mkdirSync(logDir, { recursive: true });
+  const entry = {
+    timestamp: new Date().toISOString(),
+    level,
+    message,
+    ...meta,
+  };
+  const line = JSON.stringify(entry);
+  fs.appendFileSync(logFile, `${line}\n`);
+  const printer = level === "error" ? console.error : console.log;
+  printer(line);
+}
+
+module.exports = {
+  info(message, meta) {
+    write("info", message, meta);
+  },
+  warn(message, meta) {
+    write("warn", message, meta);
+  },
+  error(message, meta) {
+    write("error", message, meta);
+  },
+};
@@ -0,0 +1,141 @@
+const fs = require("fs");
+const path = require("path");
+const { purchaseTopup } = require("../automation/smileOneAutomation");
+const { request } = require("../services/apiClient");
+const { selectAccount } = require("../services/smileAccountRouter");
+const { loadEnv } = require("../utils/env");
+const logger = require("../utils/logger");
+
+loadEnv();
+
+function boolFromEnv(name, fallback) {
+  const raw = process.env[name];
+  if (raw === undefined) return fallback;
+  return ["1", "true", "yes", "on"].includes(raw.toLowerCase());
+}
+
+function numberFromEnv(name, fallback) {
+  const value = Number(process.env[name]);
+  return Number.isFinite(value) ? value : fallback;
+}
+
+function getConfig() {
+  return {
+    dryRun: boolFromEnv("AUTOMATION_DRY_RUN", true),
+    intervalSeconds: numberFromEnv("AUTOMATION_INTERVAL_SECONDS", 20),
+    maxAttempts: numberFromEnv("AUTOMATION_MAX_ATTEMPTS", 2),
+    delayMs: numberFromEnv("AUTOMATION_DELAY_MS", 2500),
+    routingStrategy: process.env.SMILE_ROUTING_STRATEGY || "balance-aware",
+    queueStateFile: path.join(__dirname, "..", "..", "live-checking", "state", "queue-status.json"),
+  };
+}
+
+function writeQueueState(state) {
+  fs.mkdirSync(path.dirname(state.file), { recursive: true });
+  fs.writeFileSync(
+    state.file,
+    JSON.stringify(
+      {
+        ok: state.ok,
+        pending: state.pending,
+        failed: state.failed,
+        message: state.message,
+        timestamp: new Date().toISOString(),
+      },
+      null,
+      2
+    )
+  );
+}
+
+async function markQueue(orderId, action, detail = "") {
+  return request(`/api/admin/queue/${encodeURIComponent(orderId)}/${action}`, {
+    method: "POST",
+    body: JSON.stringify({ detail }),
+  });
+}
+
+async function processNextOrder() {
+  const config = getConfig();
+  const [{ queue }, { accounts }] = await Promise.all([
+    request("/api/admin/queue"),
+    request("/api/admin/smile-accounts"),
+  ]);
+  const waiting = queue.filter((item) => item.status === "waiting" && item.attempts < config.maxAttempts);
+  const failed = queue.filter((item) => item.status === "failed").length;
+
+  writeQueueState({
+    file: config.queueStateFile,
+    ok: failed === 0,
+    pending: waiting.length,
+    failed,
+    message: failed > 0 ? "One or more automation jobs failed" : "",
+  });
+
+  if (waiting.length === 0) {
+    logger.info("No waiting automation jobs", { failed });
+    return { processed: false };
+  }
+
+  const order = waiting[0];
+  await markQueue(order.order_id, "process", "automation worker picked order");
+
+  try {
+    const account = selectAccount(accounts, order, config.routingStrategy);
+    const result = await purchaseTopup({
+      order,
+      account,
+      dryRun: config.dryRun,
+      delayMs: config.delayMs,
+    });
+    await markQueue(order.order_id, "complete", result.reference || "automation completed");
+    logger.info("Automation job completed", {
+      orderId: order.order_id,
+      reference: result.reference,
+      dryRun: result.dryRun,
+    });
+    return { processed: true, orderId: order.order_id };
+  } catch (error) {
+    await markQueue(order.order_id, "fail", error.message);
+    logger.error("Automation job failed", {
+      orderId: order.order_id,
+      error: error.message,
+    });
+    return { processed: false, orderId: order.order_id, error: error.message };
+  }
+}
+
+async function runLoop() {
+  const config = getConfig();
+  logger.info("Automation worker started", {
+    intervalSeconds: config.intervalSeconds,
+    dryRun: config.dryRun,
+  });
+
+  while (true) {
+    try {
+      await processNextOrder();
+    } catch (error) {
+      logger.error("Automation worker cycle failed", {
+        error: error.message,
+      });
+    }
+    await new Promise((resolve) => setTimeout(resolve, config.intervalSeconds * 1000));
+  }
+}
+
+if (require.main === module) {
+  const once = process.argv[2] === "once";
+  const runner = once ? processNextOrder : runLoop;
+  runner().catch((error) => {
+    logger.error("Automation worker failed", {
+      error: error.message,
+      stack: error.stack,
+    });
+    process.exit(1);
+  });
+}
+
+module.exports = {
+  processNextOrder,
+};
@@ -0,0 +1,10 @@
+# Bot
+
+Telegram payment verification currently lives in the main server webhook.
+
+Future bot work should stay in this folder:
+
+- payment verification callbacks
+- process / completed / retry buttons
+- admin-only commands
+- customer status notifications
@@ -0,0 +1,793 @@
+<mxfile host="app.diagrams.net" modified="2026-05-11T00:00:00.000Z" agent="Codex" version="24.8.2" type="device">
+  <diagram id="1-overall-system-architecture" name="1. Overall System Architecture">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="arch-title" value="&lt;b&gt;Overall System Architecture&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-sub" value="Master diagram: customer order, payment verification, queue automation, monitoring, and notifications." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-customer" value="&lt;b&gt;Customer&lt;/b&gt;&lt;br&gt;Places order&lt;br&gt;Uploads payment proof&lt;br&gt;Tracks status" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="50" y="230" width="170" height="105" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-website" value="&lt;b&gt;Website&lt;/b&gt;&lt;br&gt;Frontend pages&lt;br&gt;Order form&lt;br&gt;Tracking UI" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#eff6ff;strokeColor=#2563eb;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="280" y="230" width="170" height="105" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-api" value="&lt;b&gt;Backend API&lt;/b&gt;&lt;br&gt;Orders&lt;br&gt;Payments&lt;br&gt;Admin routes" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="510" y="230" width="170" height="105" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-db" value="&lt;b&gt;Database&lt;/b&gt;&lt;br&gt;orders&lt;br&gt;smile_accounts&lt;br&gt;logs&lt;br&gt;order_queue" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="740" y="215" width="170" height="130" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-queue" value="&lt;b&gt;Queue&lt;/b&gt;&lt;br&gt;waiting&lt;br&gt;processing&lt;br&gt;completed&lt;br&gt;failed" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="970" y="230" width="170" height="105" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-worker" value="&lt;b&gt;Puppeteer Worker&lt;/b&gt;&lt;br&gt;Reads queue&lt;br&gt;Runs automation&lt;br&gt;Updates status" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="970" y="430" width="170" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-smile" value="&lt;b&gt;Smile.one&lt;/b&gt;&lt;br&gt;Login/session&lt;br&gt;Game top-up&lt;br&gt;Purchase result" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#ecfeff;strokeColor=#0891b2;fontColor=#164e63;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="740" y="430" width="170" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-telegram" value="&lt;b&gt;Telegram Bot&lt;/b&gt;&lt;br&gt;Payment proof&lt;br&gt;Confirm / Reject&lt;br&gt;Admin alerts" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="280" y="430" width="170" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-email" value="&lt;b&gt;Email System&lt;/b&gt;&lt;br&gt;Low balance&lt;br&gt;Failures&lt;br&gt;Critical errors" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="510" y="620" width="170" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-admin" value="&lt;b&gt;Admin&lt;/b&gt;&lt;br&gt;Checks wallet&lt;br&gt;Controls orders&lt;br&gt;Retries failures" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f1f5f9;strokeColor=#64748b;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="50" y="430" width="170" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="arch-customer" target="arch-website">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="arch-website" target="arch-api">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="arch-api" target="arch-db">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e4" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="arch-db" target="arch-queue">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e5" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="arch-queue" target="arch-worker">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e6" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="arch-worker" target="arch-smile">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e7" value="payment notification" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#c026d3;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#c026d3;" edge="1" parent="1" source="arch-api" target="arch-telegram">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e8" value="admin action" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#c026d3;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#c026d3;" edge="1" parent="1" source="arch-telegram" target="arch-admin">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e9" value="confirm / reject" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="arch-admin" target="arch-api">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e10" value="failure alerts" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#c026d3;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#c026d3;" edge="1" parent="1" source="arch-worker" target="arch-email">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="arch-e11" value="result + balance" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#0891b2;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#0891b2;" edge="1" parent="1" source="arch-smile" target="arch-db">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="2-customer-order-flowchart" name="2. Customer Order Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="order-title" value="&lt;b&gt;Customer Order Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-sub" value="How a customer creates an order and receives payment instructions." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-start" value="Start" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="90" y="260" width="120" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-game" value="Select game&lt;br&gt;&lt;b&gt;PUBG UC&lt;/b&gt; or &lt;b&gt;MLBB Diamonds&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#eff6ff;strokeColor=#2563eb;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="270" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-id" value="Enter game ID&lt;br&gt;and server info if needed" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#eff6ff;strokeColor=#2563eb;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="500" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-package" value="Select package&lt;br&gt;UC / Diamonds amount" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#eff6ff;strokeColor=#2563eb;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="730" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-payment" value="Select payment method&lt;br&gt;KBZPay / AYA Pay" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="960" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-api" value="Create order API&lt;br&gt;Validate fields" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="270" y="450" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-amount" value="Generate amount&lt;br&gt;Base price + random digits&lt;br&gt;Example: 10000 + 37" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="500" y="440" width="190" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-store" value="Store order&lt;br&gt;Status: pending" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="760" y="450" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-show" value="Show payment instructions&lt;br&gt;Order ID&lt;br&gt;Exact amount&lt;br&gt;Wallet number" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="990" y="440" width="190" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-start" target="order-game">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-game" target="order-id">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-id" target="order-package">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e4" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-package" target="order-payment">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e5" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-payment" target="order-api">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e6" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-api" target="order-amount">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-amount" target="order-store">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="order-e8" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="order-store" target="order-show">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="3-payment-verification-flowchart" name="3. Payment Verification Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="pay-title" value="&lt;b&gt;Payment Verification Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-sub" value="KBZPay / AYA Pay screenshot verification with Telegram admin control." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-start" value="Customer pays exact amount" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="80" y="250" width="160" height="80" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-upload" value="Upload screenshot&lt;br&gt;Transaction ID optional" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="300" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-store-img" value="Store image&lt;br&gt;backend/uploads" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="530" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-status" value="Update order&lt;br&gt;Status: waiting_verification" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="760" y="250" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-telegram" value="Send Telegram notification&lt;br&gt;Order + screenshot + buttons" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1010" y="240" width="200" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-wallet" value="Admin checks wallet app&lt;br&gt;Amount / method / time" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f1f5f9;strokeColor=#64748b;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="300" y="470" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-valid" value="Payment valid?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="560" y="460" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-confirm" value="Confirm payment&lt;br&gt;Status: paid&lt;br&gt;Add to queue" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="800" y="450" width="190" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-reject" value="Reject payment&lt;br&gt;Status: rejected&lt;br&gt;Customer can contact support" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="800" y="610" width="190" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-log" value="Save verification log" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1050" y="520" width="170" height="90" as="geometry"/>
+        </mxCell>
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+        </mxCell>
+        <mxCell id="pay-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pay-upload" target="pay-store-img">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pay-store-img" target="pay-status">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e4" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pay-status" target="pay-telegram">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e5" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pay-telegram" target="pay-wallet">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e6" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pay-wallet" target="pay-valid">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e7" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="pay-valid" target="pay-confirm">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e8" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="pay-valid" target="pay-reject">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e9" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pay-confirm" target="pay-log">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pay-e10" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pay-reject" target="pay-log">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="4-queue-processing-flowchart" name="4. Queue Processing Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="queue-title" value="&lt;b&gt;Queue Processing Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-sub" value="Safe sequential processing with retry and manual fallback." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-new" value="Paid order" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="80" y="260" width="140" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-wait" value="Waiting queue&lt;br&gt;status: waiting" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="280" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-worker-check" value="Worker checks queue&lt;br&gt;interval loop" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="520" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-has-order" value="Waiting order found?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="760" y="235" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-idle" value="No order&lt;br&gt;sleep and check again" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f1f5f9;strokeColor=#64748b;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1010" y="170" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-pick" value="Pick one order&lt;br&gt;lock / mark processing" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1010" y="360" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-process" value="Run Puppeteer automation" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="760" y="520" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-success" value="Success?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="520" y="505" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-done" value="Mark completed&lt;br&gt;Save result" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="280" y="440" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-retry" value="Attempts left?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="280" y="610" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-back" value="Retry once&lt;br&gt;Return to waiting" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="520" y="660" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-failed" value="Mark failed&lt;br&gt;Manual fallback&lt;br&gt;Alert admin" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="760" y="660" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-new" target="queue-wait">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-wait" target="queue-worker-check">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-worker-check" target="queue-has-order">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e4" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-has-order" target="queue-idle">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e5" value="loop" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-idle" target="queue-worker-check">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e6" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="queue-has-order" target="queue-pick">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-pick" target="queue-process">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e8" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-process" target="queue-success">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e9" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="queue-success" target="queue-done">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e10" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="queue-success" target="queue-retry">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e11" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#ea580c;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#ea580c;" edge="1" parent="1" source="queue-retry" target="queue-back">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e12" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="queue-back" target="queue-wait">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue-e13" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="queue-retry" target="queue-failed">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="5-puppeteer-automation-flowchart" name="5. Puppeteer Automation Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="950" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="botflow-title" value="&lt;b&gt;Puppeteer Automation Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="botflow-sub" value="Detailed Smile.one browser automation path with session handling and result capture." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-start" value="Worker receives order" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="60" y="220" width="160" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-account" value="Select Smile account&lt;br&gt;from pool" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="280" y="210" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-launch" value="Launch browser&lt;br&gt;visible test mode first" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="510" y="210" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-session" value="Load cookies/session&lt;br&gt;userDataDir per account" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="740" y="210" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-open" value="Open Smile.one" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#ecfeff;strokeColor=#0891b2;fontColor=#164e63;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="990" y="210" width="170" height="90" as="geometry"/>
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+        <mxCell id="bot-valid" value="Session valid?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1040" y="380" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-login" value="Login manually/automated&lt;br&gt;Save refreshed session" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="800" y="395" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-game" value="Navigate to game page&lt;br&gt;PUBG / MLBB" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#ecfeff;strokeColor=#0891b2;fontColor=#164e63;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="560" y="395" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-fill" value="Fill game ID&lt;br&gt;Validate input" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="320" y="395" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-package" value="Select package&lt;br&gt;UC / Diamonds" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="80" y="395" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-confirm" value="Confirm purchase&lt;br&gt;Final review" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="80" y="590" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-read" value="Read result&lt;br&gt;Success / error text&lt;br&gt;Reference if available" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="320" y="580" width="190" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-ok" value="Purchase successful?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="580" y="575" width="160" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-save-ok" value="Save completed status&lt;br&gt;Update order + queue&lt;br&gt;Update balance" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="810" y="560" width="200" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-classify" value="Classify failure&lt;br&gt;timeout / CAPTCHA / invalid ID / purchase failed" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="810" y="735" width="220" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-save-fail" value="Save failed status&lt;br&gt;Retry or manual fallback&lt;br&gt;Alert admin" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1080" y="720" width="200" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-start" target="bot-account">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-account" target="bot-launch">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-launch" target="bot-session">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e4" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-session" target="bot-open">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e5" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-open" target="bot-valid">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e6" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#ea580c;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#ea580c;" edge="1" parent="1" source="bot-valid" target="bot-login">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-login" target="bot-game">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e8" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="bot-valid" target="bot-game">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e9" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-game" target="bot-fill">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e10" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-fill" target="bot-package">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e11" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-package" target="bot-confirm">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e12" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-confirm" target="bot-read">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e13" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-read" target="bot-ok">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e14" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="bot-ok" target="bot-save-ok">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e15" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="bot-ok" target="bot-classify">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="bot-e16" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="bot-classify" target="bot-save-fail">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="6-smile-account-pool-flowchart" name="6. Smile Account Pool Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="pool-title" value="&lt;b&gt;Smile Account Pool Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-sub" value="Multi-account routing using active status, balance, and round robin usage." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-start" value="Worker needs account" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="80" y="270" width="160" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-table" value="Read smile_accounts table" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="300" y="250" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-active" value="Filter active accounts" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="530" y="250" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-any" value="Any active account?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="760" y="240" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-alert" value="No account available&lt;br&gt;Pause job&lt;br&gt;Alert admin" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1000" y="190" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-balance" value="Check balance&lt;br&gt;Enough for package?" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1000" y="380" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-enough" value="Enough balance?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="760" y="390" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-route" value="Apply routing strategy&lt;br&gt;Balance-aware or round robin" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="530" y="420" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-assign" value="Assign account to worker" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="300" y="430" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-update" value="After purchase&lt;br&gt;Update balance&lt;br&gt;Update last_used" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="80" y="420" width="170" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pool-start" target="pool-table">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pool-table" target="pool-active">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pool-active" target="pool-any">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e4" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="pool-any" target="pool-alert">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e5" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="pool-any" target="pool-balance">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e6" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pool-balance" target="pool-enough">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e7" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="pool-enough" target="pool-alert">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e8" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="pool-enough" target="pool-route">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e9" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pool-route" target="pool-assign">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="pool-e10" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="pool-assign" target="pool-update">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="7-balance-monitoring-flowchart" name="7. Balance Monitoring Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="balance-title" value="&lt;b&gt;Balance Monitoring Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-sub" value="Periodic Smile.one balance checking with warning and critical alerts." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-start" value="Periodic checker&lt;br&gt;every 5 minutes" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="80" y="270" width="170" height="80" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-accounts" value="Read active Smile accounts" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="310" y="260" width="180" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-read" value="Open/read Smile balance&lt;br&gt;per account" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="550" y="260" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-save" value="Save latest balance" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="800" y="260" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-threshold" value="Below threshold?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1030" y="245" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-ok" value="Balance OK&lt;br&gt;No alert&lt;br&gt;Next interval" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="1030" y="450" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-level" value="Select level&lt;br&gt;Warning: 50000 MMK&lt;br&gt;Critical: 10000 MMK" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="780" y="450" width="200" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-telegram" value="Send Telegram alert" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="530" y="460" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-email" value="Send Email alert" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="310" y="460" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-log" value="Save monitoring log" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="90" y="460" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="balance-start" target="balance-accounts">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="balance-accounts" target="balance-read">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="balance-read" target="balance-save">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e4" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="balance-save" target="balance-threshold">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e5" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="balance-threshold" target="balance-ok">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e6" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#ea580c;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#ea580c;" edge="1" parent="1" source="balance-threshold" target="balance-level">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="balance-level" target="balance-telegram">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e8" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="balance-telegram" target="balance-email">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="balance-e9" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="balance-email" target="balance-log">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="8-notification-system-flowchart" name="8. Notification System Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="notify-title" value="&lt;b&gt;Notification System Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-sub" value="Telegram and email alerts with typed messages, cooldown, and logging." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-trigger" value="Trigger event&lt;br&gt;low balance / failure / critical / session expired" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="80" y="250" width="210" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-type" value="Select alert type" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="350" y="260" width="170" height="80" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-cooldown" value="Cooldown active?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="580" y="245" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-skip" value="Skip duplicate alert&lt;br&gt;Save skipped log" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f1f5f9;strokeColor=#64748b;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="810" y="180" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-compose" value="Compose message&lt;br&gt;Order/account details&lt;br&gt;Error context" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="810" y="360" width="190" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-tg" value="Send Telegram" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="570" y="470" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-email" value="Send Email" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="350" y="470" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-result" value="Delivery successful?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="120" y="455" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-log-ok" value="Save sent log" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="120" y="650" width="170" height="80" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-log-fail" value="Save failure log&lt;br&gt;Keep admin-visible" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="350" y="650" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="notify-trigger" target="notify-type">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="notify-type" target="notify-cooldown">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e3" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="notify-cooldown" target="notify-skip">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e4" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="notify-cooldown" target="notify-compose">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e5" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="notify-compose" target="notify-tg">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e6" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="notify-tg" target="notify-email">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="notify-email" target="notify-result">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e8" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="notify-result" target="notify-log-ok">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="notify-e9" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="notify-result" target="notify-log-fail">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="9-error-handling-flowchart" name="9. Error Handling Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="error-title" value="&lt;b&gt;Error Handling Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-sub" value="Failure classification, retry, manual fallback, and admin alerting." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-start" value="Failure detected" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="80" y="250" width="160" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-classify" value="Classify error&lt;br&gt;Browser crash&lt;br&gt;CAPTCHA&lt;br&gt;Timeout&lt;br&gt;Invalid ID&lt;br&gt;Purchase failure" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="300" y="220" width="200" height="130" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-browser" value="Browser crash?&lt;br&gt;Restart browser/session" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="560" y="190" width="180" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-captcha" value="CAPTCHA?&lt;br&gt;Pause automation&lt;br&gt;Manual login required" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="560" y="340" width="180" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-retry" value="Retry available?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="820" y="245" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-run-retry" value="Retry once&lt;br&gt;Same or new account" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1060" y="190" width="180" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-success" value="Retry successful?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1060" y="350" width="150" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-complete" value="Mark completed" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="820" y="520" width="170" height="80" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-failed" value="Mark failed&lt;br&gt;Manual fallback" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="560" y="520" width="180" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-alert" value="Alert admin&lt;br&gt;Telegram + Email" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="320" y="520" width="180" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-log" value="Save error log&lt;br&gt;Stack + screenshot&lt;br&gt;Order context" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="80" y="500" width="180" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-start" target="error-classify">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-classify" target="error-browser">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-classify" target="error-captcha">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e4" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-browser" target="error-retry">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e5" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-captcha" target="error-retry">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e6" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#ea580c;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#ea580c;" edge="1" parent="1" source="error-retry" target="error-run-retry">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-run-retry" target="error-success">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e8" value="yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#16a34a;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#16a34a;" edge="1" parent="1" source="error-success" target="error-complete">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e9" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="error-success" target="error-failed">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e10" value="no" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#dc2626;" edge="1" parent="1" source="error-retry" target="error-failed">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e11" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-failed" target="error-alert">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="error-e12" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="error-alert" target="error-log">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+  <diagram id="10-admin-dashboard-flowchart" name="10. Admin Dashboard Flowchart">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="admin-title" value="&lt;b&gt;Admin Dashboard Flowchart&lt;/b&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="250" y="30" width="900" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-sub" value="Admin control panel for payments, orders, balances, retries, and logs." style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="330" y="115" width="740" height="44" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-login" value="Admin login&lt;br&gt;Protected route/token" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="80" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-dashboard" value="Open dashboard" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#eff6ff;strokeColor=#2563eb;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="310" y="250" width="170" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-orders" value="View orders&lt;br&gt;pending / paid / completed / failed" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="540" y="170" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-payments" value="Approve payments&lt;br&gt;Confirm / Reject" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="540" y="320" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-balances" value="Monitor balances&lt;br&gt;Warning / critical" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#ecfeff;strokeColor=#0891b2;fontColor=#164e63;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="790" y="170" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-retry" value="Retry failed orders&lt;br&gt;Return to queue" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="790" y="320" width="190" height="90" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-logs" value="View logs&lt;br&gt;payment / automation / errors" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1040" y="170" width="190" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-actions" value="Admin action API&lt;br&gt;Update database&lt;br&gt;Trigger notifications" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;" vertex="1" parent="1">
+          <mxGeometry x="1040" y="320" width="190" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-done" value="System state updated" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;" vertex="1" parent="1">
+          <mxGeometry x="650" y="560" width="190" height="80" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-login" target="admin-dashboard">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-dashboard" target="admin-orders">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-dashboard" target="admin-payments">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e4" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-dashboard" target="admin-balances">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e5" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-dashboard" target="admin-retry">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e6" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-dashboard" target="admin-logs">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-orders" target="admin-actions">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="admin-e8" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=#64748b;" edge="1" parent="1" source="admin-payments" target="admin-actions">
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@@ -0,0 +1,187 @@
+<mxfile host="app.diagrams.net" modified="2026-05-10T00:00:00.000Z" agent="Codex" version="24.8.2" type="device">
+  <diagram id="roadmap" name="Development Roadmap">
+    <mxGraphModel dx="1600" dy="2600" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1200" pageHeight="2850" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+        <mxCell id="title" value="&lt;b&gt;Game Top-Up Automation System&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 18px;&quot;&gt;Development Roadmap for PUBG + MLBB reseller automation&lt;/font&gt;&lt;br&gt;&lt;font style=&quot;font-size: 13px;&quot;&gt;Smile.one | Puppeteer | Telegram Bot | Email Notifications | KBZPay / AYA Pay Verification&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=26;fontStyle=0;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="1">
+          <mxGeometry x="140" y="30" width="920" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="goal" value="&lt;b&gt;Goal:&lt;/b&gt; Build safely | Test stability early | Scale gradually" style="rounded=1;whiteSpace=wrap;html=1;arcSize=10;fillColor=#ecfdf5;strokeColor=#10b981;fontColor=#064e3b;fontSize=16;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="1">
+          <mxGeometry x="250" y="150" width="700" height="46" as="geometry"/>
+        </mxCell>
+        <mxCell id="timeline" value="" style="shape=line;html=1;strokeWidth=4;strokeColor=#94a3b8;" vertex="1" parent="1">
+          <mxGeometry x="145" y="230" width="0" height="2260" as="geometry"/>
+        </mxCell>
+        <mxCell id="n1" value="1" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dbeafe;strokeColor=#2563eb;fontColor=#1e3a8a;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="230" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p1" value="&lt;b&gt;PHASE 1 - Foundation Setup&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Build the core backend and project structure.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Node.js + Express, server, API routes, env variables, SQLite first, MySQL later, orders/smile_accounts/logs tables, clean folders, GitHub repository.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Backend running, database connected, clean project structure.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#eff6ff;strokeColor=#2563eb;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="220" width="820" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="n2" value="2" style="ellipse;whiteSpace=wrap;html=1;fillColor=#fef3c7;strokeColor=#d97706;fontColor=#78350f;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="410" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p2" value="&lt;b&gt;PHASE 2 - Customer Ordering System&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Allow customers to place orders.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Homepage, PUBG UC and MLBB Diamonds product pages, game ID input, package selection, payment method selection, order API, order ID generation, unique payment amount logic such as 10000 + 37.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Customers can place orders and receive payment instructions.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fffbeb;strokeColor=#d97706;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="400" width="820" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="n3" value="3" style="ellipse;whiteSpace=wrap;html=1;fillColor=#fee2e2;strokeColor=#dc2626;fontColor=#7f1d1d;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="590" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p3" value="&lt;b&gt;PHASE 3 - Payment Verification System&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Accept KBZPay / AYA Pay screenshot payments.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Upload screenshot and optional transaction ID, create Telegram bot, send screenshot and order details to admin, add Confirm and Reject buttons, manage pending, waiting_verification, paid, completed, failed statuses.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Working payment system with Telegram admin control.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="580" width="820" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="n4" value="4" style="ellipse;whiteSpace=wrap;html=1;fillColor=#ede9fe;strokeColor=#7c3aed;fontColor=#4c1d95;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="770" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p4" value="&lt;b&gt;PHASE 4 - Browser Automation&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Automate Smile.one purchases. This is the most important stability phase.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Install Puppeteer, open Smile.one, login, navigate pages, enter user ID, select product, confirm purchase, save cookies/session, avoid repeated login, handle timeout, CAPTCHA, invalid ID, and purchase failure.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; System can automatically purchase products.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="760" width="820" height="130" as="geometry"/>
+        </mxCell>
+        <mxCell id="n5" value="5" style="ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="960" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p5" value="&lt;b&gt;PHASE 5 - Queue System&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Process orders safely and sequentially.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Build order queue, connect New Order -&gt; Queue -&gt; Worker -&gt; Automation, run worker continuously, process one-by-one, retry once after automation failure, fallback to manual processing.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Stable automation flow.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="950" width="820" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="n6" value="6" style="ellipse;whiteSpace=wrap;html=1;fillColor=#ccfbf1;strokeColor=#0f766e;fontColor=#134e4a;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="1140" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p6" value="&lt;b&gt;PHASE 6 - Smile Account Pool System&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Support multiple Smile.one accounts.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Create smile_accounts table, store email, cookies, balance, status, build account manager, select available account, check balance, rotate usage, add round robin logic such as Order 1 -&gt; Account A and Order 2 -&gt; Account B.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Scalable multi-account automation.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdfa;strokeColor=#0f766e;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="1130" width="820" height="125" as="geometry"/>
+        </mxCell>
+        <mxCell id="n7" value="7" style="ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="1330" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p7" value="&lt;b&gt;PHASE 7 - Balance Monitoring System&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Track Smile balances automatically.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Build balance checker, read Smile account balances, add warning threshold at 50000 MMK, add critical threshold at 10000 MMK, send Telegram alert and email alert.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Real-time balance monitoring.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0f9ff;strokeColor=#0284c7;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="1320" width="820" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="n8" value="8" style="ellipse;whiteSpace=wrap;html=1;fillColor=#fae8ff;strokeColor=#c026d3;fontColor=#701a75;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="1510" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p8" value="&lt;b&gt;PHASE 8 - Email Notification System&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Create professional system alerts.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Setup Nodemailer with Gmail SMTP, add alert types for low balance, automation failure, and critical errors, add cooldown logic to prevent email spam.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Reliable notification system.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="1500" width="820" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="n9" value="9" style="ellipse;whiteSpace=wrap;html=1;fillColor=#f1f5f9;strokeColor=#475569;fontColor=#0f172a;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="1685" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p9" value="&lt;b&gt;PHASE 9 - Security and Stability&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Make the system production-ready.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Add HTTPS, protect admin routes, add rate limiting, store automation logs, payment logs, and errors, add backup recovery and manual processing fallback.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Stable and secure system.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="1675" width="820" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="n10" value="10" style="ellipse;whiteSpace=wrap;html=1;fillColor=#ffe4e6;strokeColor=#e11d48;fontColor=#881337;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="1870" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p10" value="&lt;b&gt;PHASE 10 - UI and Dashboard&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Improve user experience.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Build admin dashboard with orders, balances, revenue, failed orders; build customer dashboard with order tracking and history; improve mobile responsive design.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; Professional reseller platform.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff1f2;strokeColor=#e11d48;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="1860" width="820" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="n11" value="11" style="ellipse;whiteSpace=wrap;html=1;fillColor=#fed7aa;strokeColor=#ea580c;fontColor=#7c2d12;fontSize=22;fontStyle=1;" vertex="1" parent="1">
+          <mxGeometry x="110" y="2045" width="70" height="70" as="geometry"/>
+        </mxCell>
+        <mxCell id="p11" value="&lt;b&gt;PHASE 11 - Scaling and Optimization&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 12px;&quot;&gt;&lt;b&gt;Goal:&lt;/b&gt; Prepare for larger traffic.&lt;br&gt;&lt;b&gt;Tasks:&lt;/b&gt; Move to Ubuntu VPS, use Docker, run headless automation, optimize workers, add analytics for sales, profits, and top products.&lt;br&gt;&lt;b&gt;Result:&lt;/b&gt; System is ready for higher traffic and operational scaling.&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=15;align=left;verticalAlign=top;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="2035" width="820" height="115" as="geometry"/>
+        </mxCell>
+        <mxCell id="final" value="&lt;b&gt;FINAL SYSTEM&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 13px;&quot;&gt;PUBG + MLBB top-ups | KBZPay / AYA Pay payments | Telegram verification | Smile.one automation | Multi-account support | Balance monitoring | Email notifications | Queue processing | Admin dashboard | Automated purchasing&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#111827;strokeColor=#111827;fontColor=#ffffff;fontSize=20;align=center;verticalAlign=middle;spacing=14;" vertex="1" parent="1">
+          <mxGeometry x="220" y="2250" width="820" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="e1" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#94a3b8;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="p1" target="p2">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="e2" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#94a3b8;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="p2" target="p3">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>
+        <mxCell id="e3" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#94a3b8;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="p3" target="p4">
+          <mxGeometry relative="1" as="geometry"/>
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+        <mxCell id="e4" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#94a3b8;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="p4" target="p5">
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+        <mxCell id="e5" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#94a3b8;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="p5" target="p6">
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+        <mxCell id="e6" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#94a3b8;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="p6" target="p7">
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+  <diagram id="architecture" name="Final System Flow">
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+        <mxCell id="a1" parent="a0"/>
+        <mxCell id="a-title" value="&lt;b&gt;Final System Flow&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size: 14px;&quot;&gt;Customer order to payment verification to queue-driven Smile.one automation&lt;/font&gt;" style="rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;align=center;verticalAlign=middle;spacing=12;" vertex="1" parent="a1">
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+        <mxCell id="cust" value="&lt;b&gt;Customer&lt;/b&gt;&lt;br&gt;Selects PUBG / MLBB&lt;br&gt;Enters game ID&lt;br&gt;Uploads payment proof" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#eff6ff;strokeColor=#2563eb;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="60" y="190" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="front" value="&lt;b&gt;Frontend&lt;/b&gt;&lt;br&gt;Homepage&lt;br&gt;Product pages&lt;br&gt;Order tracking" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fffbeb;strokeColor=#d97706;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="290" y="190" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="api" value="&lt;b&gt;Backend API&lt;/b&gt;&lt;br&gt;Orders&lt;br&gt;Payments&lt;br&gt;Admin actions" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f0fdf4;strokeColor=#16a34a;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="520" y="190" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="db" value="&lt;b&gt;Database&lt;/b&gt;&lt;br&gt;orders&lt;br&gt;smile_accounts&lt;br&gt;logs&lt;br&gt;order_queue" style="shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="750" y="175" width="170" height="130" as="geometry"/>
+        </mxCell>
+        <mxCell id="queue" value="&lt;b&gt;Order Queue&lt;/b&gt;&lt;br&gt;waiting&lt;br&gt;processing&lt;br&gt;completed&lt;br&gt;failed" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
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+        </mxCell>
+        <mxCell id="worker" value="&lt;b&gt;Worker&lt;/b&gt;&lt;br&gt;Processes one-by-one&lt;br&gt;Retries once&lt;br&gt;Manual fallback" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ede9fe;strokeColor=#7c3aed;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="980" y="380" width="170" height="110" as="geometry"/>
+        </mxCell>
+        <mxCell id="puppeteer" value="&lt;b&gt;Puppeteer&lt;/b&gt;&lt;br&gt;Saved sessions&lt;br&gt;Visible test mode&lt;br&gt;Headless later" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f5f3ff;strokeColor=#7c3aed;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="750" y="390" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="smile" value="&lt;b&gt;Smile.one&lt;/b&gt;&lt;br&gt;Login session&lt;br&gt;Game page&lt;br&gt;Purchase confirmation" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fae8ff;strokeColor=#c026d3;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="520" y="390" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="accounts" value="&lt;b&gt;Smile Account Pool&lt;/b&gt;&lt;br&gt;email&lt;br&gt;cookies/session&lt;br&gt;balance&lt;br&gt;status&lt;br&gt;round robin" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f0fdfa;strokeColor=#0f766e;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="1190" y="360" width="170" height="145" as="geometry"/>
+        </mxCell>
+        <mxCell id="wallets" value="&lt;b&gt;Payments&lt;/b&gt;&lt;br&gt;KBZPay&lt;br&gt;AYA Pay&lt;br&gt;Manual verification" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fef2f2;strokeColor=#dc2626;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="290" y="390" width="170" height="100" as="geometry"/>
+        </mxCell>
+        <mxCell id="telegram" value="&lt;b&gt;Telegram Bot&lt;/b&gt;&lt;br&gt;Order details&lt;br&gt;Screenshot&lt;br&gt;Confirm / Reject&lt;br&gt;Admin controls" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="60" y="390" width="170" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="monitor" value="&lt;b&gt;Live Checking&lt;/b&gt;&lt;br&gt;Health checks&lt;br&gt;Balance checks&lt;br&gt;Queue errors&lt;br&gt;Session expiry" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f1f5f9;strokeColor=#475569;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="520" y="620" width="170" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="email" value="&lt;b&gt;Email Notifications&lt;/b&gt;&lt;br&gt;Low balance&lt;br&gt;Automation failure&lt;br&gt;Critical errors&lt;br&gt;Cooldown" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fdf4ff;strokeColor=#c026d3;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="750" y="620" width="170" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="dashboard" value="&lt;b&gt;Admin Dashboard&lt;/b&gt;&lt;br&gt;Orders&lt;br&gt;Balances&lt;br&gt;Revenue&lt;br&gt;Failed jobs" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff1f2;strokeColor=#e11d48;fontSize=14;align=center;verticalAlign=middle;spacing=10;" vertex="1" parent="a1">
+          <mxGeometry x="980" y="620" width="170" height="120" as="geometry"/>
+        </mxCell>
+        <mxCell id="ae1" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="cust" target="front"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae2" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="front" target="api"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae3" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="api" target="db"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae4" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="db" target="queue"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae5" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="queue" target="worker"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae6" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="worker" target="puppeteer"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae7" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#64748b;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="puppeteer" target="smile"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae8" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="wallets" target="telegram"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae9" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#dc2626;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="telegram" target="api"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae10" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#0f766e;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="accounts" target="worker"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae11" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#475569;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="monitor" target="email"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae12" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#475569;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="monitor" target="telegram"><mxGeometry relative="1" as="geometry"/></mxCell>
+        <mxCell id="ae13" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=1;strokeColor=#e11d48;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="a1" source="dashboard" target="api"><mxGeometry relative="1" as="geometry"/></mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+</mxfile>
@@ -0,0 +1,361 @@
+const fs = require("fs");
+const path = require("path");
+
+const outFile = path.join(__dirname, "game-topup-automation-flowcharts.drawio");
+
+function esc(value) {
+  return String(value)
+    .replace(/&/g, "&amp;")
+    .replace(/</g, "&lt;")
+    .replace(/>/g, "&gt;")
+    .replace(/"/g, "&quot;");
+}
+
+function node(id, value, x, y, w, h, style) {
+  return `        <mxCell id="${id}" value="${esc(value)}" style="${style}" vertex="1" parent="1">
+          <mxGeometry x="${x}" y="${y}" width="${w}" height="${h}" as="geometry"/>
+        </mxCell>`;
+}
+
+function edge(id, from, to, label = "", color = "#64748b") {
+  return `        <mxCell id="${id}" value="${esc(label)}" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=${color};strokeWidth=2;endArrow=block;endFill=1;fontSize=11;fontColor=${color};" edge="1" parent="1" source="${from}" target="${to}">
+          <mxGeometry relative="1" as="geometry"/>
+        </mxCell>`;
+}
+
+const styles = {
+  title:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#0f172a;strokeColor=#0f172a;fontColor=#ffffff;fontSize=24;fontStyle=1;align=center;verticalAlign=middle;spacing=12;",
+  subtitle:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f8fafc;strokeColor=#cbd5e1;fontColor=#334155;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  start:
+    "ellipse;whiteSpace=wrap;html=1;fillColor=#dcfce7;strokeColor=#16a34a;fontColor=#14532d;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;",
+  end:
+    "ellipse;whiteSpace=wrap;html=1;fillColor=#e0f2fe;strokeColor=#0284c7;fontColor=#0c4a6e;fontSize=14;fontStyle=1;align=center;verticalAlign=middle;",
+  process:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#eff6ff;strokeColor=#2563eb;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  backend:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f0fdf4;strokeColor=#16a34a;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  automation:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f5f3ff;strokeColor=#7c3aed;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  payment:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fef2f2;strokeColor=#dc2626;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  notify:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fdf4ff;strokeColor=#c026d3;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  warning:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#fff7ed;strokeColor=#ea580c;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  decision:
+    "rhombus;whiteSpace=wrap;html=1;fillColor=#fef9c3;strokeColor=#ca8a04;fontColor=#713f12;fontSize=12;align=center;verticalAlign=middle;spacing=8;",
+  data:
+    "shape=cylinder3d;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;fillColor=#f8fafc;strokeColor=#475569;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  external:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#ecfeff;strokeColor=#0891b2;fontColor=#164e63;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+  manual:
+    "rounded=1;whiteSpace=wrap;html=1;arcSize=8;fillColor=#f1f5f9;strokeColor=#64748b;fontColor=#111827;fontSize=13;align=center;verticalAlign=middle;spacing=8;",
+};
+
+function diagram(name, cells, width = 1400, height = 900) {
+  return `  <diagram id="${esc(name.toLowerCase().replace(/[^a-z0-9]+/g, "-"))}" name="${esc(name)}">
+    <mxGraphModel dx="1600" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="${width}" pageHeight="${height}" math="0" shadow="0">
+      <root>
+        <mxCell id="0"/>
+        <mxCell id="1" parent="0"/>
+${cells.join("\n")}
+      </root>
+    </mxGraphModel>
+  </diagram>`;
+}
+
+function titleCells(prefix, title, subtitle) {
+  return [
+    node(`${prefix}-title`, `<b>${title}</b>`, 250, 30, 900, 70, styles.title),
+    node(`${prefix}-sub`, subtitle, 330, 115, 740, 44, styles.subtitle),
+  ];
+}
+
+const diagrams = [];
+
+diagrams.push(
+  diagram("1. Overall System Architecture", [
+    ...titleCells("arch", "Overall System Architecture", "Master diagram: customer order, payment verification, queue automation, monitoring, and notifications."),
+    node("arch-customer", "<b>Customer</b><br>Places order<br>Uploads payment proof<br>Tracks status", 50, 230, 170, 105, styles.start),
+    node("arch-website", "<b>Website</b><br>Frontend pages<br>Order form<br>Tracking UI", 280, 230, 170, 105, styles.process),
+    node("arch-api", "<b>Backend API</b><br>Orders<br>Payments<br>Admin routes", 510, 230, 170, 105, styles.backend),
+    node("arch-db", "<b>Database</b><br>orders<br>smile_accounts<br>logs<br>order_queue", 740, 215, 170, 130, styles.data),
+    node("arch-queue", "<b>Queue</b><br>waiting<br>processing<br>completed<br>failed", 970, 230, 170, 105, styles.backend),
+    node("arch-worker", "<b>Puppeteer Worker</b><br>Reads queue<br>Runs automation<br>Updates status", 970, 430, 170, 115, styles.automation),
+    node("arch-smile", "<b>Smile.one</b><br>Login/session<br>Game top-up<br>Purchase result", 740, 430, 170, 115, styles.external),
+    node("arch-telegram", "<b>Telegram Bot</b><br>Payment proof<br>Confirm / Reject<br>Admin alerts", 280, 430, 170, 115, styles.notify),
+    node("arch-email", "<b>Email System</b><br>Low balance<br>Failures<br>Critical errors", 510, 620, 170, 115, styles.notify),
+    node("arch-admin", "<b>Admin</b><br>Checks wallet<br>Controls orders<br>Retries failures", 50, 430, 170, 115, styles.manual),
+    edge("arch-e1", "arch-customer", "arch-website"),
+    edge("arch-e2", "arch-website", "arch-api"),
+    edge("arch-e3", "arch-api", "arch-db"),
+    edge("arch-e4", "arch-db", "arch-queue"),
+    edge("arch-e5", "arch-queue", "arch-worker"),
+    edge("arch-e6", "arch-worker", "arch-smile"),
+    edge("arch-e7", "arch-api", "arch-telegram", "payment notification", "#c026d3"),
+    edge("arch-e8", "arch-telegram", "arch-admin", "admin action", "#c026d3"),
+    edge("arch-e9", "arch-admin", "arch-api", "confirm / reject", "#64748b"),
+    edge("arch-e10", "arch-worker", "arch-email", "failure alerts", "#c026d3"),
+    edge("arch-e11", "arch-smile", "arch-db", "result + balance", "#0891b2"),
+  ])
+);
+
+diagrams.push(
+  diagram("2. Customer Order Flowchart", [
+    ...titleCells("order", "Customer Order Flowchart", "How a customer creates an order and receives payment instructions."),
+    node("order-start", "Start", 90, 260, 120, 70, styles.start),
+    node("order-game", "Select game<br><b>PUBG UC</b> or <b>MLBB Diamonds</b>", 270, 250, 170, 90, styles.process),
+    node("order-id", "Enter game ID<br>and server info if needed", 500, 250, 170, 90, styles.process),
+    node("order-package", "Select package<br>UC / Diamonds amount", 730, 250, 170, 90, styles.process),
+    node("order-payment", "Select payment method<br>KBZPay / AYA Pay", 960, 250, 170, 90, styles.payment),
+    node("order-api", "Create order API<br>Validate fields", 270, 450, 170, 90, styles.backend),
+    node("order-amount", "Generate amount<br>Base price + random digits<br>Example: 10000 + 37", 500, 440, 190, 110, styles.backend),
+    node("order-store", "Store order<br>Status: pending", 760, 450, 170, 90, styles.data),
+    node("order-show", "Show payment instructions<br>Order ID<br>Exact amount<br>Wallet number", 990, 440, 190, 110, styles.end),
+    edge("order-e1", "order-start", "order-game"),
+    edge("order-e2", "order-game", "order-id"),
+    edge("order-e3", "order-id", "order-package"),
+    edge("order-e4", "order-package", "order-payment"),
+    edge("order-e5", "order-payment", "order-api"),
+    edge("order-e6", "order-api", "order-amount"),
+    edge("order-e7", "order-amount", "order-store"),
+    edge("order-e8", "order-store", "order-show"),
+  ])
+);
+
+diagrams.push(
+  diagram("3. Payment Verification Flowchart", [
+    ...titleCells("pay", "Payment Verification Flowchart", "KBZPay / AYA Pay screenshot verification with Telegram admin control."),
+    node("pay-start", "Customer pays exact amount", 80, 250, 160, 80, styles.start),
+    node("pay-upload", "Upload screenshot<br>Transaction ID optional", 300, 250, 170, 90, styles.payment),
+    node("pay-store-img", "Store image<br>backend/uploads", 530, 250, 170, 90, styles.data),
+    node("pay-status", "Update order<br>Status: waiting_verification", 760, 250, 190, 90, styles.backend),
+    node("pay-telegram", "Send Telegram notification<br>Order + screenshot + buttons", 1010, 240, 200, 110, styles.notify),
+    node("pay-wallet", "Admin checks wallet app<br>Amount / method / time", 300, 470, 190, 100, styles.manual),
+    node("pay-valid", "Payment valid?", 560, 460, 150, 120, styles.decision),
+    node("pay-confirm", "Confirm payment<br>Status: paid<br>Add to queue", 800, 450, 190, 110, styles.backend),
+    node("pay-reject", "Reject payment<br>Status: rejected<br>Customer can contact support", 800, 610, 190, 110, styles.warning),
+    node("pay-log", "Save verification log", 1050, 520, 170, 90, styles.data),
+    edge("pay-e1", "pay-start", "pay-upload"),
+    edge("pay-e2", "pay-upload", "pay-store-img"),
+    edge("pay-e3", "pay-store-img", "pay-status"),
+    edge("pay-e4", "pay-status", "pay-telegram"),
+    edge("pay-e5", "pay-telegram", "pay-wallet"),
+    edge("pay-e6", "pay-wallet", "pay-valid"),
+    edge("pay-e7", "pay-valid", "pay-confirm", "yes", "#16a34a"),
+    edge("pay-e8", "pay-valid", "pay-reject", "no", "#dc2626"),
+    edge("pay-e9", "pay-confirm", "pay-log"),
+    edge("pay-e10", "pay-reject", "pay-log"),
+  ])
+);
+
+diagrams.push(
+  diagram("4. Queue Processing Flowchart", [
+    ...titleCells("queue", "Queue Processing Flowchart", "Safe sequential processing with retry and manual fallback."),
+    node("queue-new", "Paid order", 80, 260, 140, 70, styles.start),
+    node("queue-wait", "Waiting queue<br>status: waiting", 280, 250, 170, 90, styles.backend),
+    node("queue-worker-check", "Worker checks queue<br>interval loop", 520, 250, 170, 90, styles.automation),
+    node("queue-has-order", "Waiting order found?", 760, 235, 150, 120, styles.decision),
+    node("queue-idle", "No order<br>sleep and check again", 1010, 170, 170, 90, styles.manual),
+    node("queue-pick", "Pick one order<br>lock / mark processing", 1010, 360, 190, 90, styles.automation),
+    node("queue-process", "Run Puppeteer automation", 760, 520, 190, 90, styles.automation),
+    node("queue-success", "Success?", 520, 505, 150, 120, styles.decision),
+    node("queue-done", "Mark completed<br>Save result", 280, 440, 170, 90, styles.end),
+    node("queue-retry", "Attempts left?", 280, 610, 150, 120, styles.decision),
+    node("queue-back", "Retry once<br>Return to waiting", 520, 660, 170, 90, styles.warning),
+    node("queue-failed", "Mark failed<br>Manual fallback<br>Alert admin", 760, 660, 190, 100, styles.payment),
+    edge("queue-e1", "queue-new", "queue-wait"),
+    edge("queue-e2", "queue-wait", "queue-worker-check"),
+    edge("queue-e3", "queue-worker-check", "queue-has-order"),
+    edge("queue-e4", "queue-has-order", "queue-idle", "no", "#64748b"),
+    edge("queue-e5", "queue-idle", "queue-worker-check", "loop", "#64748b"),
+    edge("queue-e6", "queue-has-order", "queue-pick", "yes", "#16a34a"),
+    edge("queue-e7", "queue-pick", "queue-process"),
+    edge("queue-e8", "queue-process", "queue-success"),
+    edge("queue-e9", "queue-success", "queue-done", "yes", "#16a34a"),
+    edge("queue-e10", "queue-success", "queue-retry", "no", "#dc2626"),
+    edge("queue-e11", "queue-retry", "queue-back", "yes", "#ea580c"),
+    edge("queue-e12", "queue-back", "queue-wait"),
+    edge("queue-e13", "queue-retry", "queue-failed", "no", "#dc2626"),
+  ])
+);
+
+diagrams.push(
+  diagram("5. Puppeteer Automation Flowchart", [
+    ...titleCells("botflow", "Puppeteer Automation Flowchart", "Detailed Smile.one browser automation path with session handling and result capture."),
+    node("bot-start", "Worker receives order", 60, 220, 160, 70, styles.start),
+    node("bot-account", "Select Smile account<br>from pool", 280, 210, 170, 90, styles.automation),
+    node("bot-launch", "Launch browser<br>visible test mode first", 510, 210, 170, 90, styles.automation),
+    node("bot-session", "Load cookies/session<br>userDataDir per account", 740, 210, 190, 90, styles.automation),
+    node("bot-open", "Open Smile.one", 990, 210, 170, 90, styles.external),
+    node("bot-valid", "Session valid?", 1040, 380, 150, 120, styles.decision),
+    node("bot-login", "Login manually/automated<br>Save refreshed session", 800, 395, 190, 90, styles.warning),
+    node("bot-game", "Navigate to game page<br>PUBG / MLBB", 560, 395, 190, 90, styles.external),
+    node("bot-fill", "Fill game ID<br>Validate input", 320, 395, 170, 90, styles.automation),
+    node("bot-package", "Select package<br>UC / Diamonds", 80, 395, 170, 90, styles.automation),
+    node("bot-confirm", "Confirm purchase<br>Final review", 80, 590, 170, 90, styles.payment),
+    node("bot-read", "Read result<br>Success / error text<br>Reference if available", 320, 580, 190, 110, styles.automation),
+    node("bot-ok", "Purchase successful?", 580, 575, 160, 120, styles.decision),
+    node("bot-save-ok", "Save completed status<br>Update order + queue<br>Update balance", 810, 560, 200, 120, styles.end),
+    node("bot-classify", "Classify failure<br>timeout / CAPTCHA / invalid ID / purchase failed", 810, 735, 220, 110, styles.payment),
+    node("bot-save-fail", "Save failed status<br>Retry or manual fallback<br>Alert admin", 1080, 720, 200, 120, styles.warning),
+    edge("bot-e1", "bot-start", "bot-account"),
+    edge("bot-e2", "bot-account", "bot-launch"),
+    edge("bot-e3", "bot-launch", "bot-session"),
+    edge("bot-e4", "bot-session", "bot-open"),
+    edge("bot-e5", "bot-open", "bot-valid"),
+    edge("bot-e6", "bot-valid", "bot-login", "no", "#ea580c"),
+    edge("bot-e7", "bot-login", "bot-game"),
+    edge("bot-e8", "bot-valid", "bot-game", "yes", "#16a34a"),
+    edge("bot-e9", "bot-game", "bot-fill"),
+    edge("bot-e10", "bot-fill", "bot-package"),
+    edge("bot-e11", "bot-package", "bot-confirm"),
+    edge("bot-e12", "bot-confirm", "bot-read"),
+    edge("bot-e13", "bot-read", "bot-ok"),
+    edge("bot-e14", "bot-ok", "bot-save-ok", "yes", "#16a34a"),
+    edge("bot-e15", "bot-ok", "bot-classify", "no", "#dc2626"),
+    edge("bot-e16", "bot-classify", "bot-save-fail"),
+  ], 1400, 950)
+);
+
+diagrams.push(
+  diagram("6. Smile Account Pool Flowchart", [
+    ...titleCells("pool", "Smile Account Pool Flowchart", "Multi-account routing using active status, balance, and round robin usage."),
+    node("pool-start", "Worker needs account", 80, 270, 160, 70, styles.start),
+    node("pool-table", "Read smile_accounts table", 300, 250, 170, 100, styles.data),
+    node("pool-active", "Filter active accounts", 530, 250, 170, 100, styles.automation),
+    node("pool-any", "Any active account?", 760, 240, 150, 120, styles.decision),
+    node("pool-alert", "No account available<br>Pause job<br>Alert admin", 1000, 190, 190, 100, styles.payment),
+    node("pool-balance", "Check balance<br>Enough for package?", 1000, 380, 190, 100, styles.automation),
+    node("pool-enough", "Enough balance?", 760, 390, 150, 120, styles.decision),
+    node("pool-route", "Apply routing strategy<br>Balance-aware or round robin", 530, 420, 190, 100, styles.backend),
+    node("pool-assign", "Assign account to worker", 300, 430, 170, 90, styles.end),
+    node("pool-update", "After purchase<br>Update balance<br>Update last_used", 80, 420, 170, 110, styles.data),
+    edge("pool-e1", "pool-start", "pool-table"),
+    edge("pool-e2", "pool-table", "pool-active"),
+    edge("pool-e3", "pool-active", "pool-any"),
+    edge("pool-e4", "pool-any", "pool-alert", "no", "#dc2626"),
+    edge("pool-e5", "pool-any", "pool-balance", "yes", "#16a34a"),
+    edge("pool-e6", "pool-balance", "pool-enough"),
+    edge("pool-e7", "pool-enough", "pool-alert", "no", "#dc2626"),
+    edge("pool-e8", "pool-enough", "pool-route", "yes", "#16a34a"),
+    edge("pool-e9", "pool-route", "pool-assign"),
+    edge("pool-e10", "pool-assign", "pool-update"),
+  ])
+);
+
+diagrams.push(
+  diagram("7. Balance Monitoring Flowchart", [
+    ...titleCells("balance", "Balance Monitoring Flowchart", "Periodic Smile.one balance checking with warning and critical alerts."),
+    node("balance-start", "Periodic checker<br>every 5 minutes", 80, 270, 170, 80, styles.start),
+    node("balance-accounts", "Read active Smile accounts", 310, 260, 180, 90, styles.data),
+    node("balance-read", "Open/read Smile balance<br>per account", 550, 260, 190, 90, styles.automation),
+    node("balance-save", "Save latest balance", 800, 260, 170, 90, styles.data),
+    node("balance-threshold", "Below threshold?", 1030, 245, 150, 120, styles.decision),
+    node("balance-ok", "Balance OK<br>No alert<br>Next interval", 1030, 450, 170, 90, styles.end),
+    node("balance-level", "Select level<br>Warning: 50000 MMK<br>Critical: 10000 MMK", 780, 450, 200, 110, styles.warning),
+    node("balance-telegram", "Send Telegram alert", 530, 460, 170, 90, styles.notify),
+    node("balance-email", "Send Email alert", 310, 460, 170, 90, styles.notify),
+    node("balance-log", "Save monitoring log", 90, 460, 170, 90, styles.data),
+    edge("balance-e1", "balance-start", "balance-accounts"),
+    edge("balance-e2", "balance-accounts", "balance-read"),
+    edge("balance-e3", "balance-read", "balance-save"),
+    edge("balance-e4", "balance-save", "balance-threshold"),
+    edge("balance-e5", "balance-threshold", "balance-ok", "no", "#16a34a"),
+    edge("balance-e6", "balance-threshold", "balance-level", "yes", "#ea580c"),
+    edge("balance-e7", "balance-level", "balance-telegram"),
+    edge("balance-e8", "balance-telegram", "balance-email"),
+    edge("balance-e9", "balance-email", "balance-log"),
+  ])
+);
+
+diagrams.push(
+  diagram("8. Notification System Flowchart", [
+    ...titleCells("notify", "Notification System Flowchart", "Telegram and email alerts with typed messages, cooldown, and logging."),
+    node("notify-trigger", "Trigger event<br>low balance / failure / critical / session expired", 80, 250, 210, 100, styles.start),
+    node("notify-type", "Select alert type", 350, 260, 170, 80, styles.notify),
+    node("notify-cooldown", "Cooldown active?", 580, 245, 150, 120, styles.decision),
+    node("notify-skip", "Skip duplicate alert<br>Save skipped log", 810, 180, 190, 90, styles.manual),
+    node("notify-compose", "Compose message<br>Order/account details<br>Error context", 810, 360, 190, 110, styles.notify),
+    node("notify-tg", "Send Telegram", 570, 470, 170, 90, styles.notify),
+    node("notify-email", "Send Email", 350, 470, 170, 90, styles.notify),
+    node("notify-result", "Delivery successful?", 120, 455, 150, 120, styles.decision),
+    node("notify-log-ok", "Save sent log", 120, 650, 170, 80, styles.data),
+    node("notify-log-fail", "Save failure log<br>Keep admin-visible", 350, 650, 190, 90, styles.payment),
+    edge("notify-e1", "notify-trigger", "notify-type"),
+    edge("notify-e2", "notify-type", "notify-cooldown"),
+    edge("notify-e3", "notify-cooldown", "notify-skip", "yes", "#64748b"),
+    edge("notify-e4", "notify-cooldown", "notify-compose", "no", "#16a34a"),
+    edge("notify-e5", "notify-compose", "notify-tg"),
+    edge("notify-e6", "notify-tg", "notify-email"),
+    edge("notify-e7", "notify-email", "notify-result"),
+    edge("notify-e8", "notify-result", "notify-log-ok", "yes", "#16a34a"),
+    edge("notify-e9", "notify-result", "notify-log-fail", "no", "#dc2626"),
+  ])
+);
+
+diagrams.push(
+  diagram("9. Error Handling Flowchart", [
+    ...titleCells("error", "Error Handling Flowchart", "Failure classification, retry, manual fallback, and admin alerting."),
+    node("error-start", "Failure detected", 80, 250, 160, 70, styles.start),
+    node("error-classify", "Classify error<br>Browser crash<br>CAPTCHA<br>Timeout<br>Invalid ID<br>Purchase failure", 300, 220, 200, 130, styles.payment),
+    node("error-browser", "Browser crash?<br>Restart browser/session", 560, 190, 180, 100, styles.warning),
+    node("error-captcha", "CAPTCHA?<br>Pause automation<br>Manual login required", 560, 340, 180, 100, styles.warning),
+    node("error-retry", "Retry available?", 820, 245, 150, 120, styles.decision),
+    node("error-run-retry", "Retry once<br>Same or new account", 1060, 190, 180, 90, styles.automation),
+    node("error-success", "Retry successful?", 1060, 350, 150, 120, styles.decision),
+    node("error-complete", "Mark completed", 820, 520, 170, 80, styles.end),
+    node("error-failed", "Mark failed<br>Manual fallback", 560, 520, 180, 90, styles.payment),
+    node("error-alert", "Alert admin<br>Telegram + Email", 320, 520, 180, 90, styles.notify),
+    node("error-log", "Save error log<br>Stack + screenshot<br>Order context", 80, 500, 180, 120, styles.data),
+    edge("error-e1", "error-start", "error-classify"),
+    edge("error-e2", "error-classify", "error-browser"),
+    edge("error-e3", "error-classify", "error-captcha"),
+    edge("error-e4", "error-browser", "error-retry"),
+    edge("error-e5", "error-captcha", "error-retry"),
+    edge("error-e6", "error-retry", "error-run-retry", "yes", "#ea580c"),
+    edge("error-e7", "error-run-retry", "error-success"),
+    edge("error-e8", "error-success", "error-complete", "yes", "#16a34a"),
+    edge("error-e9", "error-success", "error-failed", "no", "#dc2626"),
+    edge("error-e10", "error-retry", "error-failed", "no", "#dc2626"),
+    edge("error-e11", "error-failed", "error-alert"),
+    edge("error-e12", "error-alert", "error-log"),
+  ])
+);
+
+diagrams.push(
+  diagram("10. Admin Dashboard Flowchart", [
+    ...titleCells("admin", "Admin Dashboard Flowchart", "Admin control panel for payments, orders, balances, retries, and logs."),
+    node("admin-login", "Admin login<br>Protected route/token", 80, 250, 170, 90, styles.start),
+    node("admin-dashboard", "Open dashboard", 310, 250, 170, 90, styles.process),
+    node("admin-orders", "View orders<br>pending / paid / completed / failed", 540, 170, 190, 100, styles.backend),
+    node("admin-payments", "Approve payments<br>Confirm / Reject", 540, 320, 190, 90, styles.payment),
+    node("admin-balances", "Monitor balances<br>Warning / critical", 790, 170, 190, 100, styles.external),
+    node("admin-retry", "Retry failed orders<br>Return to queue", 790, 320, 190, 90, styles.warning),
+    node("admin-logs", "View logs<br>payment / automation / errors", 1040, 170, 190, 100, styles.data),
+    node("admin-actions", "Admin action API<br>Update database<br>Trigger notifications", 1040, 320, 190, 110, styles.backend),
+    node("admin-done", "System state updated", 650, 560, 190, 80, styles.end),
+    edge("admin-e1", "admin-login", "admin-dashboard"),
+    edge("admin-e2", "admin-dashboard", "admin-orders"),
+    edge("admin-e3", "admin-dashboard", "admin-payments"),
+    edge("admin-e4", "admin-dashboard", "admin-balances"),
+    edge("admin-e5", "admin-dashboard", "admin-retry"),
+    edge("admin-e6", "admin-dashboard", "admin-logs"),
+    edge("admin-e7", "admin-orders", "admin-actions"),
+    edge("admin-e8", "admin-payments", "admin-actions"),
+    edge("admin-e9", "admin-balances", "admin-actions"),
+    edge("admin-e10", "admin-retry", "admin-actions"),
+    edge("admin-e11", "admin-logs", "admin-actions"),
+    edge("admin-e12", "admin-actions", "admin-done"),
+  ])
+);
+
+const xml = `<mxfile host="app.diagrams.net" modified="2026-05-11T00:00:00.000Z" agent="Codex" version="24.8.2" type="device">
+${diagrams.join("\n")}
+</mxfile>
+`;
+
+fs.writeFileSync(outFile, xml);
+console.log(outFile);
@@ -0,0 +1,49 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Admin - Game Topup</title>
+    <meta http-equiv="Cache-Control" content="no-store">
+    <meta http-equiv="Pragma" content="no-cache">
+    <meta http-equiv="Expires" content="0">
+    <link rel="stylesheet" href="/styles.css?v=20260428-10">
+  </head>
+  <body>
+    <header class="site-header">
+      <a class="logo" href="/" aria-label="Game Topup home">
+        <span class="logo-mark">🎮</span>
+        <span><strong>GAME TOPUP</strong><small>ADMIN ONLY</small></span>
+      </a>
+      <nav class="main-nav" aria-label="Admin navigation">
+        <a href="/">Public Site</a>
+        <a class="active" href="/admin.html">Admin</a>
+      </nav>
+    </header>
+
+    <main class="page-main">
+      <section class="page-title">
+        <h1>ADMIN <span>DASHBOARD</span></h1>
+        <p>Private order verification and fulfillment controls.</p>
+      </section>
+
+      <section class="panel admin-panel single-panel">
+        <h2>Orders</h2>
+        <form id="adminForm" class="inline-form">
+          <input name="token" type="password" placeholder="Admin token" autocomplete="current-password">
+          <button type="submit">Load</button>
+        </form>
+        <div id="adminOrders" class="admin-orders"></div>
+      </section>
+    </main>
+
+    <div class="modal-backdrop" id="modalBackdrop" hidden>
+      <section class="modal" role="dialog" aria-modal="true" aria-labelledby="modalTitle">
+        <button class="modal-close" id="modalClose" type="button" aria-label="Close">×</button>
+        <h2 id="modalTitle">Notice</h2>
+        <div id="modalBody"></div>
+      </section>
+    </div>
+    <script src="/app.js?v=20260428-10"></script>
+  </body>
+</html>
@@ -0,0 +1,341 @@
+let config = null;
+let activeOrderId = null;
+let timerHandle = null;
+let selectedCurrency = "MMK";
+
+const $ = (selector) => document.querySelector(selector);
+const $$ = (selector) => Array.from(document.querySelectorAll(selector));
+
+async function api(path, options = {}) {
+  const response = await fetch(path, options);
+  const payload = await response.json();
+  if (!response.ok) throw new Error(payload.error || "Request failed");
+  return payload;
+}
+
+function money(amount) {
+  if (selectedCurrency === "USD") return `$${(Number(amount) / 3500).toFixed(2)}`;
+  return `${Number(amount).toLocaleString()} MMK`;
+}
+
+function showModal(title, body) {
+  if (!$("#modalBackdrop")) return alert(title);
+  $("#modalTitle").textContent = title;
+  $("#modalBody").innerHTML = body;
+  $("#modalBackdrop").hidden = false;
+}
+
+function closeModal() {
+  if ($("#modalBackdrop")) $("#modalBackdrop").hidden = true;
+}
+
+function setStatus(status) {
+  if (!$("#statusBadge")) return;
+  $("#statusBadge").textContent = status;
+  $("#statusBadge").className = `badge ${status}`;
+}
+
+function renderProducts() {
+  if (!config || !$("#gameSelect") || !$("#productSelect")) return;
+  const game = $("#gameSelect").value;
+  const products = config.menu[game] || {};
+  $("#productSelect").innerHTML = Object.entries(products)
+    .map(([name, price]) => `<option value="${name}">${name} - ${money(price)}</option>`)
+    .join("");
+  renderProductPreview();
+  if ($("#selectedGameTitle")) $("#selectedGameTitle").textContent = game || "Choose Product";
+}
+
+function renderProductPreview() {
+  if (!config || !$("#productPreview") || !$("#gameSelect") || !$("#productSelect")) return;
+  const game = $("#gameSelect").value;
+  const product = $("#productSelect").value;
+  const price = config.menu[game]?.[product];
+  $("#productPreview").textContent = price
+    ? `${product}: ${money(price)} before unique payment digits`
+    : "Select a product to see price.";
+}
+
+function renderTrack(order, target) {
+  if (!target) return;
+  const completeText =
+    order.status === "completed"
+      ? `<div class="notice">Your order has been completed successfully.</div>`
+      : "";
+  target.innerHTML = `
+    <div class="order-card">
+      <header>
+        <strong>${order.order_id}</strong>
+        <span class="badge ${order.status}">${order.status}</span>
+      </header>
+      <div class="order-meta">
+        <span>Game: ${order.game}</span>
+        <span>User ID: ${order.user_game_id}</span>
+        <span>Product: ${order.product}</span>
+        <span>Amount: ${money(order.amount)}</span>
+        <span>Payment: ${order.payment_method || "-"}</span>
+        <span>Created: ${order.created_at}</span>
+      </div>
+      ${completeText}
+    </div>
+  `;
+}
+
+async function refreshOrder(orderId) {
+  if (!orderId) return;
+  const { order } = await api(`/api/orders/${encodeURIComponent(orderId)}`);
+  setStatus(order.status);
+  renderTrack(order, $("#trackResult"));
+}
+
+function startTimer(expiresAt) {
+  if (!$("#timer")) return;
+  clearInterval(timerHandle);
+  const tick = () => {
+    const remaining = Math.max(0, expiresAt - Math.floor(Date.now() / 1000));
+    const mins = String(Math.floor(remaining / 60)).padStart(2, "0");
+    const secs = String(remaining % 60).padStart(2, "0");
+    $("#timer").textContent = `${mins}:${secs}`;
+    if (remaining === 0) {
+      clearInterval(timerHandle);
+      refreshOrder(activeOrderId);
+    }
+  };
+  tick();
+  timerHandle = setInterval(tick, 1000);
+}
+
+function renderAdminOrder(order, token) {
+  const screenshot = order.screenshot
+    ? `<a href="/${order.screenshot}" target="_blank" rel="noreferrer">View screenshot</a>`
+    : `<span>No screenshot</span>`;
+  return `
+    <div class="order-card">
+      <header>
+        <strong>${order.order_id}</strong>
+        <span class="badge ${order.status}">${order.status}</span>
+      </header>
+      <div class="order-meta">
+        <span>${order.game}</span>
+        <span>${order.user_game_id}</span>
+        <span>${order.product}</span>
+        <span>${money(order.amount)}</span>
+        <span>${order.payment_method || "-"}</span>
+        ${screenshot}
+      </div>
+      <div class="actions">
+        <button data-admin-action="confirm" data-order-id="${order.order_id}" data-token="${token}">Confirm</button>
+        <button class="danger" data-admin-action="reject" data-order-id="${order.order_id}" data-token="${token}">Reject</button>
+        <button class="secondary" data-admin-action="complete" data-order-id="${order.order_id}" data-token="${token}">Completed</button>
+      </div>
+    </div>
+  `;
+}
+
+function renderPricingPage() {
+  if (!config || !$("#pricingGrid")) return;
+  $("#pricingGrid").innerHTML = Object.entries(config.menu)
+    .map(([game, products]) => {
+      const rows = Object.entries(products)
+        .map(([product, price]) => `
+          <div class="price-row">
+            <span>${product}</span>
+            <strong>${money(price)}</strong>
+          </div>
+        `)
+        .join("");
+      return `
+        <section class="panel price-panel">
+          <h2>${game}</h2>
+          <div class="price-list">${rows}</div>
+          <a class="price-action" href="/orders.html?game=${encodeURIComponent(game)}">Top Up ${game}</a>
+        </section>
+      `;
+    })
+    .join("");
+}
+
+function setupSharedControls() {
+  $("#currencyButton")?.addEventListener("click", () => {
+    const menu = $("#currencyMenu");
+    if (!menu) return;
+    menu.hidden = !menu.hidden;
+    $("#currencyButton").setAttribute("aria-expanded", String(!menu.hidden));
+  });
+
+  $$("[data-currency]").forEach((button) => {
+    button.addEventListener("click", () => {
+      selectedCurrency = button.dataset.currency;
+      if ($("#currencyButton")) $("#currencyButton").children[1].textContent = selectedCurrency;
+      if ($("#currencyMenu")) $("#currencyMenu").hidden = true;
+      renderProductPreview();
+      renderPricingPage();
+      if (activeOrderId) refreshOrder(activeOrderId);
+    });
+  });
+
+  $("#loginButton")?.addEventListener("click", () => {
+    showModal("Login / Register", "<p>Account login is not required for checkout yet. Customers can place an order directly and track it with the Order ID.</p>");
+  });
+
+  $$("[data-modal-link]").forEach((link) => {
+    link.addEventListener("click", (event) => {
+      event.preventDefault();
+      const content = {
+        terms: ["Terms of Service", "<p>Orders are processed after manual wallet verification. Wrong game IDs, wrong products, or mismatched payments may be rejected.</p>"],
+        privacy: ["Privacy Policy", "<p>Only order details, payment method, uploaded screenshot, and transaction notes are stored for verification and support.</p>"],
+        refund: ["Refund Policy", "<p>Rejected or unpaid orders are not processed. Refund requests must include the Order ID and wallet transaction proof.</p>"],
+      }[link.dataset.modalLink];
+      if (content) showModal(content[0], content[1]);
+    });
+  });
+
+  $$("[data-social]").forEach((button) => {
+    button.addEventListener("click", () => {
+      showModal(button.dataset.social, `<p>${button.dataset.social} link is not configured yet. Add your real page/link when ready.</p>`);
+    });
+  });
+
+  $("#modalClose")?.addEventListener("click", closeModal);
+  $("#modalBackdrop")?.addEventListener("click", (event) => {
+    if (event.target.id === "modalBackdrop") closeModal();
+  });
+  document.addEventListener("keydown", (event) => {
+    if (event.key === "Escape") closeModal();
+  });
+}
+
+function setupHomePage() {
+  $$("[data-game-link]").forEach((card) => {
+    card.addEventListener("click", (event) => {
+      event.preventDefault();
+      window.location.href = `/orders.html?game=${encodeURIComponent(card.dataset.gameLink)}`;
+    });
+  });
+}
+
+function setupOrdersPage() {
+  if (!$("#orderForm")) return;
+
+  $("#gameSelect").innerHTML = Object.keys(config.menu)
+    .map((game) => `<option value="${game}">${game}</option>`)
+    .join("");
+
+  const gameParam = new URLSearchParams(window.location.search).get("game");
+  if (gameParam && config.menu[gameParam]) $("#gameSelect").value = gameParam;
+  renderProducts();
+
+  $("#buyButton").disabled = false;
+  $("#buyButton").textContent = "Buy";
+  $("#gameSelect").addEventListener("change", renderProducts);
+  $("#productSelect").addEventListener("change", renderProductPreview);
+
+  if ($("#kbzpay")) $("#kbzpay").textContent = config.kbzpay_number;
+  if ($("#ayapay")) $("#ayapay").textContent = config.ayapay_number;
+  if ($("#accountName")) $("#accountName").textContent = config.account_name;
+  if ($("#ayaQrImage") && config.ayapay_qr_path) {
+    $("#ayaQrImage").src = config.ayapay_qr_path;
+    $("#ayaQrPanel").hidden = false;
+    $("#ayaQrImage").addEventListener("error", () => {
+      $("#ayaQrPanel").hidden = true;
+    });
+  }
+
+  $("#orderForm").addEventListener("submit", async (event) => {
+    event.preventDefault();
+    const payload = Object.fromEntries(new FormData(event.currentTarget).entries());
+    try {
+      const order = await api("/api/orders", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify(payload),
+      });
+      activeOrderId = order.order_id;
+      $("#paymentPanel").hidden = false;
+      $("#orderId").textContent = order.order_id;
+      $("#amount").textContent = money(order.amount);
+      setStatus("pending");
+      startTimer(Math.floor(Date.now() / 1000) + config.expiry_seconds);
+      $("#paymentPanel").scrollIntoView({ behavior: "smooth", block: "start" });
+    } catch (error) {
+      alert(error.message);
+    }
+  });
+
+  $("#paymentForm")?.addEventListener("submit", async (event) => {
+    event.preventDefault();
+    if (!activeOrderId) return;
+    try {
+      const { order } = await api(`/api/orders/${encodeURIComponent(activeOrderId)}/payment`, {
+        method: "POST",
+        body: new FormData(event.currentTarget),
+      });
+      setStatus(order.status);
+      showModal("Payment Uploaded", "<p>Screenshot uploaded. Please wait for manual wallet verification.</p>");
+    } catch (error) {
+      alert(error.message);
+    }
+  });
+}
+
+function setupTrackPage() {
+  $("#trackForm")?.addEventListener("submit", async (event) => {
+    event.preventDefault();
+    const orderId = new FormData(event.currentTarget).get("track_order_id");
+    try {
+      const { order } = await api(`/api/orders/${encodeURIComponent(orderId)}`);
+      renderTrack(order, $("#trackResult"));
+    } catch (error) {
+      $("#trackResult").innerHTML = `<div class="notice">${error.message}</div>`;
+    }
+  });
+}
+
+function setupAdmin() {
+  $("#adminForm")?.addEventListener("submit", async (event) => {
+    event.preventDefault();
+    const token = new FormData(event.currentTarget).get("token");
+    try {
+      const { orders } = await api(`/api/admin/orders?token=${encodeURIComponent(token)}`);
+      $("#adminOrders").innerHTML = orders.length
+        ? orders.map((order) => renderAdminOrder(order, token)).join("")
+        : `<div class="notice">No orders yet.</div>`;
+    } catch (error) {
+      $("#adminOrders").innerHTML = `<div class="notice">${error.message}</div>`;
+    }
+  });
+
+  $("#adminOrders")?.addEventListener("click", async (event) => {
+    const button = event.target.closest("[data-admin-action]");
+    if (!button) return;
+    const { adminAction, orderId, token } = button.dataset;
+    try {
+      await api(`/api/admin/orders/${orderId}/${adminAction}?token=${encodeURIComponent(token)}`, {
+        method: "POST",
+      });
+      $("#adminForm").requestSubmit ? $("#adminForm").requestSubmit() : $("#adminForm").dispatchEvent(new Event("submit", { cancelable: true, bubbles: true }));
+    } catch (error) {
+      alert(error.message);
+    }
+  });
+}
+
+async function init() {
+  setupSharedControls();
+  setupHomePage();
+  try {
+    config = await api("/api/config");
+    setupOrdersPage();
+    setupTrackPage();
+    setupAdmin();
+    renderPricingPage();
+  } catch (error) {
+    if ($("#buyButton")) {
+      $("#buyButton").disabled = true;
+      $("#buyButton").textContent = "Menu unavailable";
+    }
+    showModal("Menu unavailable", `<p>${error.message}</p>`);
+  }
+}
+
+init();
@@ -0,0 +1,23 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 760 440" role="img" aria-label="Mobile Legends card artwork">
+  <defs>
+    <linearGradient id="bg" x1="0" x2="1" y1="0" y2="1">
+      <stop offset="0" stop-color="#191d63"/>
+      <stop offset=".52" stop-color="#2b2c86"/>
+      <stop offset="1" stop-color="#312e81"/>
+    </linearGradient>
+    <linearGradient id="crystal" x1="0" x2="1" y1="0" y2="1">
+      <stop offset="0" stop-color="#bdeaff"/>
+      <stop offset=".44" stop-color="#38bdf8"/>
+      <stop offset="1" stop-color="#1e40af"/>
+    </linearGradient>
+    <filter id="glow"><feGaussianBlur stdDeviation="8" result="b"/><feMerge><feMergeNode in="b"/><feMergeNode in="SourceGraphic"/></feMerge></filter>
+  </defs>
+  <rect width="760" height="440" fill="url(#bg)"/>
+  <circle cx="620" cy="210" r="170" fill="#93c5fd" opacity=".16"/>
+  <polygon points="585,90 650,58 690,142 635,230 575,178" fill="url(#crystal)" opacity=".85"/>
+  <polygon points="405,278 455,296 472,390 416,372 372,318" fill="url(#crystal)" opacity=".92"/>
+  <path d="M350 440c105-75 242-128 410-178v65c-121 44-238 82-350 113z" fill="#60a5fa" opacity=".78" filter="url(#glow)"/>
+  <path d="M330 440c94-78 204-132 330-166" stroke="#bae6fd" stroke-width="28" opacity=".9"/>
+  <text x="70" y="88" fill="#ffe7a6" font-family="Arial Black, Impact, sans-serif" font-size="48" font-weight="900">MOBILE</text>
+  <text x="72" y="132" fill="#ffe7a6" font-family="Arial Black, Impact, sans-serif" font-size="32" font-weight="900">LEGENDS</text>
+</svg>
@@ -0,0 +1,29 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 760 440" role="img" aria-label="PUBG Mobile card artwork">
+  <defs>
+    <radialGradient id="fire" cx="72%" cy="70%" r="45%">
+      <stop offset="0" stop-color="#ffc400"/>
+      <stop offset=".42" stop-color="#e66b1f"/>
+      <stop offset=".78" stop-color="#111827" stop-opacity=".2"/>
+      <stop offset="1" stop-color="#111827" stop-opacity="0"/>
+    </radialGradient>
+    <linearGradient id="helmet" x1="0" x2="1" y1="0" y2="1">
+      <stop offset="0" stop-color="#cbd5e1"/>
+      <stop offset=".5" stop-color="#5b6574"/>
+      <stop offset="1" stop-color="#171d28"/>
+    </linearGradient>
+    <filter id="blur"><feGaussianBlur stdDeviation="18"/></filter>
+  </defs>
+  <rect width="760" height="440" fill="#111827"/>
+  <circle cx="560" cy="315" r="210" fill="url(#fire)" filter="url(#blur)"/>
+  <g transform="translate(470 92)">
+    <path d="M48 11c62-26 133 18 135 86 2 51-25 91-70 102-45 12-101 2-124-33-29-44-17-131 59-155z" fill="url(#helmet)"/>
+    <path d="M22 105h128c17 0 28 12 25 28-3 16-15 24-35 24H46c-24 0-38-11-40-27-2-14 4-23 16-25z" fill="#121826"/>
+    <path d="M58 23c-40 18-60 55-59 96 18 10 83 11 127-1 36-10 61-29 64-55-21-39-76-62-132-40z" fill="#ffffff" opacity=".12"/>
+  </g>
+  <g transform="translate(70 62)" fill="none" stroke="#fff" stroke-width="7">
+    <path d="M0 0h165v118H0z"/>
+    <path d="M18 18h129v82H18z" opacity=".28"/>
+  </g>
+  <text x="95" y="116" fill="#fff" font-family="Arial Black, Impact, sans-serif" font-size="46" font-weight="900">PUBG</text>
+  <text x="96" y="166" fill="#fff" font-family="Arial Black, Impact, sans-serif" font-size="28" font-weight="900">MOBILE</text>
+</svg>
@@ -0,0 +1,39 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>How to Topup - Game Topup</title>
+    <link rel="stylesheet" href="/styles.css?v=20260428-10">
+  </head>
+  <body>
+    <header class="site-header">
+      <a class="logo" href="/" aria-label="Game Topup home"><span class="logo-mark">🎮</span><span><strong>GAME TOPUP</strong><small>FAST • SAFE • TRUSTED</small></span></a>
+      <nav class="main-nav" aria-label="Main navigation">
+        <a href="/">Home</a><a href="/orders.html">Orders</a><a href="/pricing.html">Pricing</a><a class="active" href="/how-to-topup.html">How to Topup</a><a href="/track.html">Track Order</a>
+      </nav>
+      <div class="header-actions">
+        <button class="currency-button" type="button" id="currencyButton" aria-expanded="false"><span>🇲🇲</span><span>MMK</span><span>⌄</span></button>
+        <div class="currency-menu" id="currencyMenu" hidden><button type="button" data-currency="MMK">🇲🇲 MMK</button><button type="button" data-currency="USD">🇺🇸 USD</button></div>
+        <button class="login-button" type="button" id="loginButton">Login / Register</button>
+      </div>
+    </header>
+    <main class="page-main narrow-main">
+      <section class="page-title"><h1>HOW TO <span>TOPUP</span></h1><p>Follow these steps to complete your order correctly.</p></section>
+      <section class="panel help-panel single-panel">
+        <h2>Topup Steps</h2>
+        <div class="steps">
+          <span>1. Go to Orders and choose PUBG Mobile or Mobile Legends.</span>
+          <span>2. Enter your user game ID exactly as shown in game.</span>
+          <span>3. Select the product and click Buy.</span>
+          <span>4. Pay the exact amount shown, including the unique digits.</span>
+          <span>5. Upload a clear payment screenshot and optional transaction ID.</span>
+          <span>6. Wait while payment is manually verified in KBZPay or AYA Pay.</span>
+          <span>7. When completed, check your order status on the Track Order page.</span>
+        </div>
+      </section>
+    </main>
+    <div class="modal-backdrop" id="modalBackdrop" hidden><section class="modal" role="dialog" aria-modal="true" aria-labelledby="modalTitle"><button class="modal-close" id="modalClose" type="button" aria-label="Close">×</button><h2 id="modalTitle">Notice</h2><div id="modalBody"></div></section></div>
+    <script src="/app.js?v=20260428-10"></script>
+  </body>
+</html>
@@ -0,0 +1,111 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Game Topup</title>
+    <meta http-equiv="Cache-Control" content="no-store">
+    <meta http-equiv="Pragma" content="no-cache">
+    <meta http-equiv="Expires" content="0">
+    <link rel="stylesheet" href="/styles.css?v=20260428-13">
+  </head>
+  <body>
+    <header class="site-header">
+      <a class="logo" href="/" aria-label="Game Topup home">
+        <span class="logo-mark">🎮</span>
+        <span>
+          <strong>GAME TOPUP</strong>
+          <small>FAST • SAFE • TRUSTED</small>
+        </span>
+      </a>
+
+      <nav class="main-nav" aria-label="Main navigation">
+        <a class="active" href="/">Home</a>
+        <a href="/orders.html">Orders</a>
+        <a href="/pricing.html">Pricing</a>
+        <a href="/how-to-topup.html">How to Topup</a>
+        <a href="/track.html">Track Order</a>
+      </nav>
+
+      <div class="header-actions">
+        <button class="currency-button" type="button" id="currencyButton" aria-expanded="false">
+          <span>🇲🇲</span>
+          <span>MMK</span>
+          <span>⌄</span>
+        </button>
+        <div class="currency-menu" id="currencyMenu" hidden>
+          <button type="button" data-currency="MMK">🇲🇲 MMK</button>
+          <button type="button" data-currency="USD">🇺🇸 USD</button>
+        </div>
+        <button class="login-button" type="button" id="loginButton">Login / Register</button>
+      </div>
+    </header>
+
+    <main id="home">
+      <section class="hero">
+        <div class="hero-copy">
+          <h1>CHOOSE <span>YOUR</span> GAME</h1>
+          <p>Top up your favorite game instantly and securely</p>
+        </div>
+
+        <div class="game-grid" aria-label="Choose game">
+          <a class="game-card pubg-card" href="/orders.html?game=PUBG%20Mobile" data-game-link="PUBG Mobile">
+            <img class="game-card-image" src="/assets/pubg-card.png" alt="PUBG Mobile top up">
+          </a>
+
+          <a class="game-card ml-card" href="/orders.html?game=Mobile%20Legends" data-game-link="Mobile Legends">
+            <img class="game-card-image" src="/assets/ml-card.png" alt="Mobile Legends top up">
+          </a>
+        </div>
+
+        <div class="trust-strip">
+          <div>
+            <span class="trust-icon">盾</span>
+            <strong>100% SAFE</strong>
+            <p>Your payment and account are fully secured.</p>
+          </div>
+          <div>
+            <span class="trust-icon">⚡</span>
+            <strong>INSTANT DELIVERY</strong>
+            <p>Top up instantly after payment confirmed.</p>
+          </div>
+          <div>
+            <span class="trust-icon">☊</span>
+            <strong>24/7 SUPPORT</strong>
+            <p>Our support team is always ready to help you.</p>
+          </div>
+          <div>
+            <span class="trust-icon">★</span>
+            <strong>TRUSTED SERVICE</strong>
+            <p>Thousands of players trust our service.</p>
+          </div>
+        </div>
+      </section>
+    </main>
+
+    <footer class="site-footer" id="support">
+      <span>© 2024 Game Topup. All rights reserved.</span>
+      <div>
+        <a href="#" data-modal-link="terms">Terms of Service</a>
+        <a href="#" data-modal-link="privacy">Privacy Policy</a>
+        <a href="#" data-modal-link="refund">Refund Policy</a>
+      </div>
+      <span class="socials">
+        Follow us:
+        <button type="button" data-social="Telegram">●</button>
+        <button type="button" data-social="Facebook">●</button>
+        <button type="button" data-social="Messenger">●</button>
+      </span>
+    </footer>
+
+    <div class="modal-backdrop" id="modalBackdrop" hidden>
+      <section class="modal" role="dialog" aria-modal="true" aria-labelledby="modalTitle">
+        <button class="modal-close" id="modalClose" type="button" aria-label="Close">×</button>
+        <h2 id="modalTitle">Notice</h2>
+        <div id="modalBody"></div>
+      </section>
+    </div>
+
+    <script src="/app.js?v=20260428-13"></script>
+  </body>
+</html>
@@ -0,0 +1,107 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Orders - Game Topup</title>
+    <meta http-equiv="Cache-Control" content="no-store">
+    <meta http-equiv="Pragma" content="no-cache">
+    <meta http-equiv="Expires" content="0">
+    <link rel="stylesheet" href="/styles.css?v=20260428-11">
+  </head>
+  <body>
+    <header class="site-header">
+      <a class="logo" href="/" aria-label="Game Topup home">
+        <span class="logo-mark">🎮</span>
+        <span><strong>GAME TOPUP</strong><small>FAST • SAFE • TRUSTED</small></span>
+      </a>
+      <nav class="main-nav" aria-label="Main navigation">
+        <a href="/">Home</a>
+        <a class="active" href="/orders.html">Orders</a>
+        <a href="/pricing.html">Pricing</a>
+        <a href="/how-to-topup.html">How to Topup</a>
+        <a href="/track.html">Track Order</a>
+      </nav>
+      <div class="header-actions">
+        <button class="currency-button" type="button" id="currencyButton" aria-expanded="false"><span>🇲🇲</span><span>MMK</span><span>⌄</span></button>
+        <div class="currency-menu" id="currencyMenu" hidden>
+          <button type="button" data-currency="MMK">🇲🇲 MMK</button>
+          <button type="button" data-currency="USD">🇺🇸 USD</button>
+        </div>
+        <button class="login-button" type="button" id="loginButton">Login / Register</button>
+      </div>
+    </header>
+
+    <main class="page-main">
+      <section class="page-title">
+        <h1>PLACE <span>ORDER</span></h1>
+        <p>Select game, product, and upload payment proof after checkout.</p>
+      </section>
+
+      <section class="shop-layout order-layout" id="pricing">
+        <section class="panel order-panel" id="orderSection">
+          <div class="section-heading">
+            <span>Selected game</span>
+            <h2 id="selectedGameTitle">Choose Product</h2>
+          </div>
+
+          <form id="orderForm" class="stack">
+            <label>
+              Game
+              <select name="game" id="gameSelect" required></select>
+            </label>
+            <label>
+              User Game ID
+              <input name="user_game_id" placeholder="Enter user ID / server ID" required>
+            </label>
+            <label>
+              Product
+              <select name="product" id="productSelect" required></select>
+            </label>
+            <div class="product-preview" id="productPreview">Select a product to see price.</div>
+            <button id="buyButton" type="submit" disabled>Loading menu...</button>
+          </form>
+        </section>
+
+        <section class="panel payment-panel" id="paymentPanel" hidden>
+          <div class="status-row">
+            <div><span class="muted">Order ID</span><strong id="orderId">-</strong></div>
+            <span class="badge" id="statusBadge">pending</span>
+          </div>
+          <div class="amount-box"><span>Exact amount</span><strong id="amount">0 MMK</strong></div>
+          <div class="payment-grid">
+            <div><span>KBZPay</span><strong id="kbzpay">-</strong></div>
+            <div><span>AYA Pay</span><strong id="ayapay">-</strong></div>
+            <div><span>Account name</span><strong id="accountName">-</strong></div>
+            <div><span>Time left</span><strong id="timer">10:00</strong></div>
+          </div>
+          <div class="qr-panel" id="ayaQrPanel" hidden>
+            <div><span>AYA Pay QR</span><strong>Scan to pay</strong></div>
+            <img id="ayaQrImage" alt="AYA Pay banking QR code">
+          </div>
+          <ul class="instructions">
+            <li>Pay the exact amount shown above.</li>
+            <li>Upload screenshot after payment.</li>
+            <li>Payment must be completed within 10 minutes.</li>
+            <li>Screenshots are only evidence. Wallet verification decides approval.</li>
+          </ul>
+          <form id="paymentForm" class="stack">
+            <label>Payment method<select name="payment_method" required><option>KBZPay</option><option>AYA Pay</option></select></label>
+            <label>Transaction ID<input name="transaction_id" placeholder="Optional"></label>
+            <label>Payment screenshot<input name="screenshot" type="file" accept="image/png,image/jpeg,image/webp" required></label>
+            <button type="submit">Upload Screenshot</button>
+          </form>
+        </section>
+      </section>
+    </main>
+
+    <div class="modal-backdrop" id="modalBackdrop" hidden>
+      <section class="modal" role="dialog" aria-modal="true" aria-labelledby="modalTitle">
+        <button class="modal-close" id="modalClose" type="button" aria-label="Close">×</button>
+        <h2 id="modalTitle">Notice</h2>
+        <div id="modalBody"></div>
+      </section>
+    </div>
+    <script src="/app.js?v=20260428-11"></script>
+  </body>
+</html>
@@ -0,0 +1,28 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Pricing - Game Topup</title>
+    <link rel="stylesheet" href="/styles.css?v=20260428-10">
+  </head>
+  <body>
+    <header class="site-header">
+      <a class="logo" href="/" aria-label="Game Topup home"><span class="logo-mark">🎮</span><span><strong>GAME TOPUP</strong><small>FAST • SAFE • TRUSTED</small></span></a>
+      <nav class="main-nav" aria-label="Main navigation">
+        <a href="/">Home</a><a href="/orders.html">Orders</a><a class="active" href="/pricing.html">Pricing</a><a href="/how-to-topup.html">How to Topup</a><a href="/track.html">Track Order</a>
+      </nav>
+      <div class="header-actions">
+        <button class="currency-button" type="button" id="currencyButton" aria-expanded="false"><span>🇲🇲</span><span>MMK</span><span>⌄</span></button>
+        <div class="currency-menu" id="currencyMenu" hidden><button type="button" data-currency="MMK">🇲🇲 MMK</button><button type="button" data-currency="USD">🇺🇸 USD</button></div>
+        <button class="login-button" type="button" id="loginButton">Login / Register</button>
+      </div>
+    </header>
+    <main class="page-main">
+      <section class="page-title"><h1>PRODUCT <span>PRICING</span></h1><p>Base prices before unique payment digits are added at checkout.</p></section>
+      <section class="pricing-grid" id="pricingGrid"></section>
+    </main>
+    <div class="modal-backdrop" id="modalBackdrop" hidden><section class="modal" role="dialog" aria-modal="true" aria-labelledby="modalTitle"><button class="modal-close" id="modalClose" type="button" aria-label="Close">×</button><h2 id="modalTitle">Notice</h2><div id="modalBody"></div></section></div>
+    <script src="/app.js?v=20260428-10"></script>
+  </body>
+</html>
@@ -0,0 +1,35 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Track Order - Game Topup</title>
+    <link rel="stylesheet" href="/styles.css?v=20260428-10">
+  </head>
+  <body>
+    <header class="site-header">
+      <a class="logo" href="/" aria-label="Game Topup home"><span class="logo-mark">🎮</span><span><strong>GAME TOPUP</strong><small>FAST • SAFE • TRUSTED</small></span></a>
+      <nav class="main-nav" aria-label="Main navigation">
+        <a href="/">Home</a><a href="/orders.html">Orders</a><a href="/pricing.html">Pricing</a><a href="/how-to-topup.html">How to Topup</a><a class="active" href="/track.html">Track Order</a>
+      </nav>
+      <div class="header-actions">
+        <button class="currency-button" type="button" id="currencyButton" aria-expanded="false"><span>🇲🇲</span><span>MMK</span><span>⌄</span></button>
+        <div class="currency-menu" id="currencyMenu" hidden><button type="button" data-currency="MMK">🇲🇲 MMK</button><button type="button" data-currency="USD">🇺🇸 USD</button></div>
+        <button class="login-button" type="button" id="loginButton">Login / Register</button>
+      </div>
+    </header>
+    <main class="page-main narrow-main">
+      <section class="page-title"><h1>TRACK <span>ORDER</span></h1><p>Enter your order ID to see payment and delivery status.</p></section>
+      <section class="panel tracking-panel single-panel">
+        <h2>Track Order</h2>
+        <form id="trackForm" class="inline-form">
+          <input name="track_order_id" placeholder="ORD123456" required>
+          <button type="submit">Check</button>
+        </form>
+        <div id="trackResult" class="track-result"></div>
+      </section>
+    </main>
+    <div class="modal-backdrop" id="modalBackdrop" hidden><section class="modal" role="dialog" aria-modal="true" aria-labelledby="modalTitle"><button class="modal-close" id="modalClose" type="button" aria-label="Close">×</button><h2 id="modalTitle">Notice</h2><div id="modalBody"></div></section></div>
+    <script src="/app.js?v=20260428-10"></script>
+  </body>
+</html>
@@ -0,0 +1,16 @@
+LIVE_CHECK_DRY_RUN=true
+LIVE_CHECK_INTERVAL_SECONDS=60
+
+SMARTCOIN_HEALTH_URL=http://127.0.0.1:8000/api/config
+SMARTCOIN_HEALTH_TIMEOUT_MS=5000
+
+SMILE_BALANCE_SOURCE=env
+SMILE_BALANCE=100000
+SMILE_BALANCE_CURRENCY=MMK
+SMILE_WARNING_BALANCE=50000
+SMILE_CRITICAL_BALANCE=10000
+
+QUEUE_STATUS_FILE=./state/queue-status.json
+BROWSER_HEARTBEAT_FILE=./state/browser-heartbeat.json
+SESSION_STATUS_FILE=./state/session-status.json
+BROWSER_HEARTBEAT_MAX_AGE_SECONDS=120
@@ -0,0 +1,54 @@
+# Live Checking System
+
+Monitors the SmartCoin automation environment and triggers notification emails when important checks fail.
+
+## Checks
+
+- SmartCoin app health URL
+- Smile.one balance threshold
+- queue status file
+- browser heartbeat file
+- Smile.one session status file
+
+## Commands
+
+```bash
+npm run check
+npm start
+```
+
+`npm run check` runs one pass. `npm start` runs continuously.
+
+## Dry Run
+
+`LIVE_CHECK_DRY_RUN=true` logs alerts without sending email. Set it to `false` after `notification/.env` has real Gmail credentials.
+
+## State File Examples
+
+`state/queue-status.json`
+
+```json
+{
+  "ok": true,
+  "pending": 0,
+  "failed": 0
+}
+```
+
+`state/browser-heartbeat.json`
+
+```json
+{
+  "ok": true,
+  "timestamp": "2026-05-06T10:00:00.000Z"
+}
+```
+
+`state/session-status.json`
+
+```json
+{
+  "valid": true,
+  "account": "Smile.one main account"
+}
+```
@@ -0,0 +1,50 @@
+async function checkSmileBalance(config) {
+  const balance = config.smileBalance;
+  const currency = config.smileBalanceCurrency;
+
+  if (balance <= config.smileCriticalBalance) {
+    return {
+      ok: false,
+      type: "lowBalance",
+      code: "smile_balance_critical",
+      message: `Smile.one balance is critical: ${balance.toLocaleString()} ${currency}.`,
+      details: {
+        balance,
+        currency,
+        level: "critical",
+        threshold: config.smileCriticalBalance,
+        source: config.smileBalanceSource,
+      },
+    };
+  }
+
+  if (balance <= config.smileWarningBalance) {
+    return {
+      ok: false,
+      type: "lowBalance",
+      code: "smile_balance_warning",
+      message: `Smile.one balance is low: ${balance.toLocaleString()} ${currency}.`,
+      details: {
+        balance,
+        currency,
+        level: "warning",
+        threshold: config.smileWarningBalance,
+        source: config.smileBalanceSource,
+      },
+    };
+  }
+
+  return {
+    ok: true,
+    code: "smile_balance_ok",
+    details: {
+      balance,
+      currency,
+      source: config.smileBalanceSource,
+    },
+  };
+}
+
+module.exports = {
+  checkSmileBalance,
+};
@@ -0,0 +1,62 @@
+const http = require("http");
+const https = require("https");
+
+function request(url, timeoutMs) {
+  return new Promise((resolve, reject) => {
+    const client = url.startsWith("https:") ? https : http;
+    const req = client.get(url, { timeout: timeoutMs }, (res) => {
+      res.resume();
+      resolve({
+        statusCode: res.statusCode,
+        ok: res.statusCode >= 200 && res.statusCode < 300,
+      });
+    });
+
+    req.on("timeout", () => {
+      req.destroy(new Error(`Health check timed out after ${timeoutMs}ms`));
+    });
+    req.on("error", reject);
+  });
+}
+
+async function checkHttpHealth(config) {
+  try {
+    const result = await request(config.healthUrl, config.healthTimeoutMs);
+    if (!result.ok) {
+      return {
+        ok: false,
+        type: "critical",
+        code: "smartcoin_health_bad_status",
+        message: `SmartCoin health URL returned HTTP ${result.statusCode}.`,
+        details: {
+          url: config.healthUrl,
+          statusCode: result.statusCode,
+        },
+      };
+    }
+
+    return {
+      ok: true,
+      code: "smartcoin_health_ok",
+      details: {
+        url: config.healthUrl,
+        statusCode: result.statusCode,
+      },
+    };
+  } catch (error) {
+    return {
+      ok: false,
+      type: "critical",
+      code: "smartcoin_health_failed",
+      message: `SmartCoin health check failed: ${error.message}`,
+      details: {
+        url: config.healthUrl,
+        error: error.message,
+      },
+    };
+  }
+}
+
+module.exports = {
+  checkHttpHealth,
+};
@@ -0,0 +1,131 @@
+const fs = require("fs");
+
+function readJson(filePath) {
+  if (!fs.existsSync(filePath)) {
+    return null;
+  }
+  return JSON.parse(fs.readFileSync(filePath, "utf8"));
+}
+
+async function checkQueueStatus(config) {
+  const status = readJson(config.queueStatusFile);
+  if (!status) {
+    return {
+      ok: true,
+      code: "queue_status_missing",
+      details: {
+        file: config.queueStatusFile,
+        note: "Queue status file does not exist yet.",
+      },
+    };
+  }
+
+  if (status.ok === false || Number(status.failed || 0) > 0) {
+    return {
+      ok: false,
+      type: "critical",
+      code: "queue_error",
+      message: status.message || "Queue system reported an error.",
+      details: {
+        file: config.queueStatusFile,
+        ...status,
+      },
+    };
+  }
+
+  return {
+    ok: true,
+    code: "queue_ok",
+    details: {
+      file: config.queueStatusFile,
+      ...status,
+    },
+  };
+}
+
+async function checkBrowserHeartbeat(config) {
+  const heartbeat = readJson(config.browserHeartbeatFile);
+  if (!heartbeat) {
+    return {
+      ok: true,
+      code: "browser_heartbeat_missing",
+      details: {
+        file: config.browserHeartbeatFile,
+        note: "Browser heartbeat file does not exist yet.",
+      },
+    };
+  }
+
+  const timestamp = Date.parse(heartbeat.timestamp || "");
+  const ageSeconds = Number.isFinite(timestamp) ? Math.round((Date.now() - timestamp) / 1000) : Infinity;
+  const stale = ageSeconds > config.browserHeartbeatMaxAgeSeconds;
+
+  if (heartbeat.ok === false || stale) {
+    return {
+      ok: false,
+      type: "critical",
+      code: stale ? "browser_heartbeat_stale" : "browser_crashed",
+      message: stale
+        ? `Browser heartbeat is stale: ${ageSeconds}s old.`
+        : heartbeat.message || "Browser reported a crash.",
+      details: {
+        file: config.browserHeartbeatFile,
+        ageSeconds,
+        maxAgeSeconds: config.browserHeartbeatMaxAgeSeconds,
+        ...heartbeat,
+      },
+    };
+  }
+
+  return {
+    ok: true,
+    code: "browser_heartbeat_ok",
+    details: {
+      file: config.browserHeartbeatFile,
+      ageSeconds,
+      ...heartbeat,
+    },
+  };
+}
+
+async function checkSessionStatus(config) {
+  const session = readJson(config.sessionStatusFile);
+  if (!session) {
+    return {
+      ok: true,
+      code: "session_status_missing",
+      details: {
+        file: config.sessionStatusFile,
+        note: "Session status file does not exist yet.",
+      },
+    };
+  }
+
+  if (session.valid === false || session.expired === true) {
+    return {
+      ok: false,
+      type: "sessionExpired",
+      code: "session_expired",
+      message: session.message || "Smile.one account session expired.",
+      details: {
+        file: config.sessionStatusFile,
+        ...session,
+      },
+    };
+  }
+
+  return {
+    ok: true,
+    code: "session_ok",
+    details: {
+      file: config.sessionStatusFile,
+      ...session,
+    },
+  };
+}
+
+module.exports = {
+  checkQueueStatus,
+  checkBrowserHeartbeat,
+  checkSessionStatus,
+};
@@ -0,0 +1,42 @@
+const path = require("path");
+
+function boolFromEnv(name, fallback) {
+  const raw = process.env[name];
+  if (raw === undefined) return fallback;
+  return ["1", "true", "yes", "on"].includes(raw.toLowerCase());
+}
+
+function numberFromEnv(name, fallback) {
+  const raw = process.env[name];
+  if (!raw) return fallback;
+  const value = Number(raw);
+  return Number.isFinite(value) ? value : fallback;
+}
+
+function pathFromEnv(name, fallback) {
+  const raw = process.env[name] || fallback;
+  if (path.isAbsolute(raw)) return raw;
+  return path.join(__dirname, raw);
+}
+
+function getConfig() {
+  return {
+    dryRun: boolFromEnv("LIVE_CHECK_DRY_RUN", true),
+    intervalSeconds: numberFromEnv("LIVE_CHECK_INTERVAL_SECONDS", 60),
+    healthUrl: process.env.SMARTCOIN_HEALTH_URL || "http://127.0.0.1:8000/api/config",
+    healthTimeoutMs: numberFromEnv("SMARTCOIN_HEALTH_TIMEOUT_MS", 5000),
+    smileBalanceSource: process.env.SMILE_BALANCE_SOURCE || "env",
+    smileBalance: numberFromEnv("SMILE_BALANCE", 100000),
+    smileBalanceCurrency: process.env.SMILE_BALANCE_CURRENCY || "MMK",
+    smileWarningBalance: numberFromEnv("SMILE_WARNING_BALANCE", 50000),
+    smileCriticalBalance: numberFromEnv("SMILE_CRITICAL_BALANCE", 10000),
+    queueStatusFile: pathFromEnv("QUEUE_STATUS_FILE", "./state/queue-status.json"),
+    browserHeartbeatFile: pathFromEnv("BROWSER_HEARTBEAT_FILE", "./state/browser-heartbeat.json"),
+    sessionStatusFile: pathFromEnv("SESSION_STATUS_FILE", "./state/session-status.json"),
+    browserHeartbeatMaxAgeSeconds: numberFromEnv("BROWSER_HEARTBEAT_MAX_AGE_SECONDS", 120),
+  };
+}
+
+module.exports = {
+  getConfig,
+};
@@ -0,0 +1,11 @@
+{
+  "name": "smartcoin-live-checking",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Live checking and monitoring system for SmartCoin automation health.",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js monitor",
+    "check": "node server.js once"
+  }
+}
@@ -0,0 +1,47 @@
+const { getConfig } = require("./config");
+const { runChecks } = require("./services/liveChecker");
+const { loadEnv } = require("./utils/env");
+const logger = require("./utils/logger");
+
+loadEnv();
+
+async function runOnce() {
+  const config = getConfig();
+  const summary = await runChecks(config);
+  console.log(JSON.stringify(summary, null, 2));
+  return summary;
+}
+
+async function monitor() {
+  const config = getConfig();
+  logger.info("Live checking monitor started", {
+    intervalSeconds: config.intervalSeconds,
+    dryRun: config.dryRun,
+  });
+
+  while (true) {
+    try {
+      await runChecks(getConfig());
+    } catch (error) {
+      logger.error("Live checking cycle failed", {
+        error: error.message,
+        stack: error.stack,
+      });
+    }
+
+    await new Promise((resolve) => setTimeout(resolve, config.intervalSeconds * 1000));
+  }
+}
+
+if (require.main === module) {
+  const command = process.argv[2] || "once";
+  const runner = command === "monitor" ? monitor : runOnce;
+
+  runner().catch((error) => {
+    logger.error("Live checking failed", {
+      error: error.message,
+      stack: error.stack,
+    });
+    process.exit(1);
+  });
+}
@@ -0,0 +1,80 @@
+const {
+  sendAutomationFailureAlert,
+  sendCriticalErrorAlert,
+  sendLowBalanceAlert,
+  sendSessionExpiredAlert,
+} = require("../../notification/services/emailService");
+const { checkSmileBalance } = require("../checks/balanceCheck");
+const { checkHttpHealth } = require("../checks/httpHealthCheck");
+const {
+  checkBrowserHeartbeat,
+  checkQueueStatus,
+  checkSessionStatus,
+} = require("../checks/stateFileCheck");
+const logger = require("../utils/logger");
+
+async function notify(result, config) {
+  if (result.ok) return { sent: false, skipped: true, reason: "ok" };
+
+  if (config.dryRun) {
+    logger.warn("Dry-run alert", {
+      alertType: result.type,
+      code: result.code,
+      message: result.message,
+      details: result.details,
+    });
+    return { sent: false, skipped: true, reason: "dry_run" };
+  }
+
+  if (result.type === "lowBalance") {
+    return sendLowBalanceAlert(result.details.balance, result.details.currency);
+  }
+
+  if (result.type === "sessionExpired") {
+    return sendSessionExpiredAlert(result.details.account, result.details);
+  }
+
+  if (result.type === "automationFailure") {
+    return sendAutomationFailureAlert(result.message, result.details);
+  }
+
+  return sendCriticalErrorAlert(result.message, {
+    component: result.code,
+    ...result.details,
+  });
+}
+
+async function runChecks(config) {
+  const checks = [
+    checkHttpHealth,
+    checkSmileBalance,
+    checkQueueStatus,
+    checkBrowserHeartbeat,
+    checkSessionStatus,
+  ];
+
+  const results = [];
+  for (const check of checks) {
+    const result = await check(config);
+    results.push(result);
+    logger.info("Live check completed", {
+      code: result.code,
+      ok: result.ok,
+      details: result.details,
+    });
+
+    if (!result.ok) {
+      await notify(result, config);
+    }
+  }
+
+  return {
+    ok: results.every((result) => result.ok),
+    checkedAt: new Date().toISOString(),
+    results,
+  };
+}
+
+module.exports = {
+  runChecks,
+};
@@ -0,0 +1,38 @@
+const fs = require("fs");
+const path = require("path");
+
+function loadEnvFile(filePath) {
+  if (!fs.existsSync(filePath)) return;
+
+  const content = fs.readFileSync(filePath, "utf8");
+  for (const line of content.split(/\r?\n/)) {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith("#")) continue;
+
+    const index = trimmed.indexOf("=");
+    if (index === -1) continue;
+
+    const key = trimmed.slice(0, index).trim();
+    let value = trimmed.slice(index + 1).trim();
+    if (
+      (value.startsWith('"') && value.endsWith('"')) ||
+      (value.startsWith("'") && value.endsWith("'"))
+    ) {
+      value = value.slice(1, -1);
+    }
+
+    if (!process.env[key]) {
+      process.env[key] = value;
+    }
+  }
+}
+
+function loadEnv() {
+  const root = path.join(__dirname, "..", "..");
+  loadEnvFile(path.join(root, "notification", ".env"));
+  loadEnvFile(path.join(root, "live-checking", ".env"));
+}
+
+module.exports = {
+  loadEnv,
+};
@@ -0,0 +1,36 @@
+const fs = require("fs");
+const path = require("path");
+
+const logDir = path.join(__dirname, "..", "logs");
+const logFile = path.join(logDir, "live-checking.log");
+
+function ensureLogDir() {
+  fs.mkdirSync(logDir, { recursive: true });
+}
+
+function write(level, message, meta = {}) {
+  ensureLogDir();
+  const entry = {
+    timestamp: new Date().toISOString(),
+    level,
+    message,
+    ...meta,
+  };
+  const line = JSON.stringify(entry);
+  fs.appendFileSync(logFile, `${line}\n`);
+
+  const printer = level === "error" ? console.error : console.log;
+  printer(line);
+}
+
+module.exports = {
+  info(message, meta) {
+    write("info", message, meta);
+  },
+  warn(message, meta) {
+    write("warn", message, meta);
+  },
+  error(message, meta) {
+    write("error", message, meta);
+  },
+};
@@ -0,0 +1 @@
+
@@ -0,0 +1,14 @@
+{"timestamp":"2026-05-06T10:37:49.688Z","level":"error","message":"Automation worker failed","error":"fetch failed","stack":"TypeError: fetch failed"}
+{"timestamp":"2026-05-06T10:38:40.816Z","level":"info","message":"No waiting automation jobs","failed":0}
+{"timestamp":"2026-05-06T10:41:31.008Z","level":"error","message":"Automation worker failed","error":"fetch failed","stack":"TypeError: fetch failed"}
+{"timestamp":"2026-05-10T14:03:57.475Z","level":"info","message":"Puppeteer browser launched","accountEmail":"smoke-check","headless":false,"userDataDir":"/Users/ven/Projects/SmartCoin/backend/sessions/smoke-check"}
+{"timestamp":"2026-05-10T14:03:58.536Z","level":"info","message":"Puppeteer smoke check loaded Smile.one","url":"https://www.smile.one/","title":"Smile.One - (Brazil) | Créditos de Jogos e Serviços"}
+{"timestamp":"2026-05-11T07:27:36.361Z","level":"error","message":"Automation worker failed","error":"Cannot reach SmartCoin API at http://127.0.0.1:8000: connect EPERM 127.0.0.1:8000 - Local (0.0.0.0:0)","stack":"Error: Cannot reach SmartCoin API at http://127.0.0.1:8000: connect EPERM 127.0.0.1:8000 - Local (0.0.0.0:0)\n    at request (/Users/ven/SmartCoin/SmartCoin/backend/services/apiClient.js:23:11)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)\n    at async Promise.all (index 0)\n    at async processNextOrder (/Users/ven/SmartCoin/SmartCoin/backend/workers/queueWorker.js:60:37)"}
+{"timestamp":"2026-05-11T07:28:07.493Z","level":"info","message":"No waiting automation jobs","failed":0}
+{"timestamp":"2026-05-11T07:28:15.176Z","level":"error","message":"Puppeteer smoke check failed","error":"Failed to launch the browser process:  Code: null\n\nstderr:\nchrome_crashpad_handler: --database is required\nTry 'chrome_crashpad_handler --help' for more information.\n[0511/142815.143790:ERROR:third_party/crashpad/crashpad/util/file/file_io.cc:103] ReadExactly: expected 8, observed 0\n[0511/142815.148765:ERROR:third_party/crashpad/crashpad/client/crash_report_database_mac.mm:109] mkdir : No such file or directory (2)\n\nTROUBLESHOOTING: https://pptr.dev/troubleshooting\n","stack":"Error: Failed to launch the browser process:  Code: null\n\nstderr:\nchrome_crashpad_handler: --database is required\nTry 'chrome_crashpad_handler --help' for more information.\n[0511/142815.143790:ERROR:third_party/crashpad/crashpad/util/file/file_io.cc:103] ReadExactly: expected 8, observed 0\n[0511/142815.148765:ERROR:third_party/crashpad/crashpad/client/crash_report_database_mac.mm:109] mkdir : No such file or directory (2)\n\nTROUBLESHOOTING: https://pptr.dev/troubleshooting\n\n    at ChildProcess.onClose (/Users/ven/SmartCoin/SmartCoin/backend/node_modules/@puppeteer/browsers/lib/cjs/launch.js:350:24)\n    at ChildProcess.emit (node:events:521:24)\n    at ChildProcess._handle.onexit (node:internal/child_process:294:12)"}
+{"timestamp":"2026-05-11T07:28:29.611Z","level":"error","message":"Puppeteer smoke check failed","error":"Failed to launch the browser process:  Code: null\n\nstderr:\n\n\nTROUBLESHOOTING: https://pptr.dev/troubleshooting\n","stack":"Error: Failed to launch the browser process:  Code: null\n\nstderr:\n\n\nTROUBLESHOOTING: https://pptr.dev/troubleshooting\n\n    at ChildProcess.onClose (/Users/ven/SmartCoin/SmartCoin/backend/node_modules/@puppeteer/browsers/lib/cjs/launch.js:350:24)\n    at ChildProcess.emit (node:events:521:24)\n    at ChildProcess._handle.onexit (node:internal/child_process:294:12)"}
+{"timestamp":"2026-05-11T07:28:42.816Z","level":"info","message":"Puppeteer browser launched","accountEmail":"smoke-check","headless":true,"userDataDir":"/Users/ven/SmartCoin/SmartCoin/backend/sessions/smoke-check"}
+{"timestamp":"2026-05-11T07:28:44.547Z","level":"info","message":"Puppeteer smoke check loaded Smile.one","url":"https://www.smile.one/","title":"Smile.One - (Brazil) | Créditos de Jogos e Serviços"}
+{"timestamp":"2026-05-11T07:29:22.661Z","level":"info","message":"Puppeteer browser launched","accountEmail":"smoke-check","headless":false,"userDataDir":"/Users/ven/SmartCoin/SmartCoin/backend/sessions/smoke-check"}
+{"timestamp":"2026-05-11T07:29:24.429Z","level":"info","message":"Puppeteer smoke check loaded Smile.one","url":"https://www.smile.one/","title":"Smile.One - (Brazil) | Créditos de Jogos e Serviços"}
+{"timestamp":"2026-05-11T07:55:54.136Z","level":"info","message":"No waiting automation jobs","failed":0}
@@ -0,0 +1,7 @@
+EMAIL_USER=yourgmail@gmail.com
+EMAIL_PASS=your_app_password
+ADMIN_EMAIL=yourgmail@gmail.com
+
+EMAIL_WARNING_BALANCE=50000
+EMAIL_CRITICAL_BALANCE=10000
+EMAIL_COOLDOWN_MINUTES=30
@@ -0,0 +1,37 @@
+{
+  "name": "smartcoin-email-notifications",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "smartcoin-email-notifications",
+      "version": "1.0.0",
+      "dependencies": {
+        "dotenv": "^16.4.7",
+        "nodemailer": "^8.0.7"
+      }
+    },
+    "node_modules/dotenv": {
+      "version": "16.6.1",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.6.1.tgz",
+      "integrity": "sha512-uBq4egWHTcTt33a72vpSG0z3HnPuIl6NqYcTrKEg2azoEyl2hpW0zqlxysq2pK9HlDIHyHyakeYaYnSAwd8bow==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
+    "node_modules/nodemailer": {
+      "version": "8.0.7",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-8.0.7.tgz",
+      "integrity": "sha512-pkjE4mkBzQjdJT4/UmlKl3pX0rC9fZmjh7c6C9o7lv66Ac6w9WCnzPzhbPNxwZAzlF4mdq4CSWB5+FbK6FWCow==",
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    }
+  }
+}
@@ -0,0 +1,15 @@
+{
+  "name": "smartcoin-email-notifications",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Email notification module for SmartCoin game top-up automation alerts.",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "test:email": "node server.js test"
+  },
+  "dependencies": {
+    "dotenv": "^16.4.7",
+    "nodemailer": "^8.0.7"
+  }
+}
@@ -0,0 +1,49 @@
+require("dotenv").config();
+
+const {
+  sendLowBalanceAlert,
+  sendAutomationFailureAlert,
+  sendCriticalErrorAlert,
+  sendSessionExpiredAlert,
+} = require("./services/emailService");
+
+async function runTest() {
+  const kind = process.argv[3] || "low-balance";
+
+  if (kind === "low-balance") {
+    return sendLowBalanceAlert(45000, "MMK");
+  }
+  if (kind === "automation-failure") {
+    return sendAutomationFailureAlert("Purchase timeout", {
+      orderId: "ORD-TEST",
+      product: "86 Diamonds",
+    });
+  }
+  if (kind === "critical-error") {
+    return sendCriticalErrorAlert(new Error("Browser crashed"), {
+      component: "browser",
+    });
+  }
+  if (kind === "session-expired") {
+    return sendSessionExpiredAlert("Smile.one main account");
+  }
+
+  throw new Error(`Unknown test type: ${kind}`);
+}
+
+if (require.main === module) {
+  if (process.argv[2] !== "test") {
+    console.log("Email notification module is ready.");
+    console.log("Run `npm run test:email` after creating notification/.env.");
+    process.exit(0);
+  }
+
+  runTest()
+    .then((result) => {
+      console.log(JSON.stringify(result, null, 2));
+    })
+    .catch((error) => {
+      console.error(error.message);
+      process.exit(1);
+    });
+}
@@ -0,0 +1,210 @@
+const nodemailer = require("nodemailer");
+const logger = require("../utils/logger");
+
+const DEFAULT_WARNING_BALANCE = 50000;
+const DEFAULT_CRITICAL_BALANCE = 10000;
+const DEFAULT_COOLDOWN_MINUTES = 30;
+
+const SUBJECTS = {
+  lowBalance: "Smile Balance Low",
+  automationFailure: "Automation Failed",
+  criticalError: "Critical System Error",
+  sessionExpired: "Smile Session Expired",
+};
+
+const lastSentAt = new Map();
+
+function numberFromEnv(name, fallback) {
+  const raw = process.env[name];
+  if (!raw) return fallback;
+  const value = Number(raw);
+  return Number.isFinite(value) ? value : fallback;
+}
+
+function getConfig() {
+  return {
+    emailUser: process.env.EMAIL_USER,
+    emailPass: process.env.EMAIL_PASS,
+    adminEmail: process.env.ADMIN_EMAIL,
+    warningBalance: numberFromEnv("EMAIL_WARNING_BALANCE", DEFAULT_WARNING_BALANCE),
+    criticalBalance: numberFromEnv("EMAIL_CRITICAL_BALANCE", DEFAULT_CRITICAL_BALANCE),
+    cooldownMinutes: numberFromEnv("EMAIL_COOLDOWN_MINUTES", DEFAULT_COOLDOWN_MINUTES),
+  };
+}
+
+function validateConfig(config) {
+  const missing = [];
+  if (!config.emailUser) missing.push("EMAIL_USER");
+  if (!config.emailPass) missing.push("EMAIL_PASS");
+  if (!config.adminEmail) missing.push("ADMIN_EMAIL");
+
+  if (missing.length > 0) {
+    throw new Error(`Missing email environment variables: ${missing.join(", ")}`);
+  }
+}
+
+function createTransporter(config = getConfig()) {
+  validateConfig(config);
+  return nodemailer.createTransport({
+    service: "gmail",
+    port: 587,
+    secure: false,
+    auth: {
+      user: config.emailUser,
+      pass: config.emailPass,
+    },
+    connectionTimeout: 10000,
+    greetingTimeout: 10000,
+    socketTimeout: 15000,
+  });
+}
+
+function cooldownKey(type, key = "default") {
+  return `${type}:${key}`;
+}
+
+function canSend(type, key, cooldownMinutes) {
+  const now = Date.now();
+  const previous = lastSentAt.get(cooldownKey(type, key));
+  if (!previous) return true;
+  return now - previous >= cooldownMinutes * 60 * 1000;
+}
+
+function markSent(type, key) {
+  lastSentAt.set(cooldownKey(type, key), Date.now());
+}
+
+function formatDetails(details = {}) {
+  return Object.entries(details)
+    .filter(([, value]) => value !== undefined && value !== null && value !== "")
+    .map(([key, value]) => `<tr><th>${escapeHtml(key)}</th><td>${escapeHtml(String(value))}</td></tr>`)
+    .join("");
+}
+
+function escapeHtml(value) {
+  return value
+    .replace(/&/g, "&amp;")
+    .replace(/</g, "&lt;")
+    .replace(/>/g, "&gt;")
+    .replace(/"/g, "&quot;");
+}
+
+function buildEmailHtml(title, message, details) {
+  const rows = formatDetails(details);
+  return `
+    <div style="font-family: Arial, sans-serif; color: #172033; line-height: 1.5;">
+      <h2 style="margin: 0 0 12px;">${escapeHtml(title)}</h2>
+      <p>${escapeHtml(message)}</p>
+      ${
+        rows
+          ? `<table style="border-collapse: collapse; margin-top: 16px;">
+              ${rows}
+            </table>`
+          : ""
+      }
+      <p style="color: #64748b; font-size: 12px; margin-top: 20px;">
+        Sent by SmartCoin notification system at ${new Date().toISOString()}.
+      </p>
+    </div>
+  `;
+}
+
+async function sendNotification(type, { subject, message, details = {}, cooldownKey: key = "default" }) {
+  const config = getConfig();
+  const cooldownMinutes = config.cooldownMinutes;
+
+  if (!canSend(type, key, cooldownMinutes)) {
+    logger.info("Email alert skipped due to cooldown", { alertType: type, cooldownKey: key });
+    return { sent: false, skipped: true, reason: "cooldown" };
+  }
+
+  const transporter = createTransporter(config);
+  const title = subject || SUBJECTS[type] || "SmartCoin Alert";
+
+  try {
+    const result = await transporter.sendMail({
+      from: `"SmartCoin Alerts" <${config.emailUser}>`,
+      to: config.adminEmail,
+      subject: title,
+      text: `${message}\n\n${JSON.stringify(details, null, 2)}`,
+      html: buildEmailHtml(title, message, details),
+    });
+
+    markSent(type, key);
+    logger.info("Email alert sent", {
+      alertType: type,
+      cooldownKey: key,
+      messageId: result.messageId,
+      accepted: result.accepted,
+      rejected: result.rejected,
+    });
+    return { sent: true, messageId: result.messageId };
+  } catch (error) {
+    logger.error("Email alert failed", {
+      alertType: type,
+      cooldownKey: key,
+      error: error.message,
+    });
+    throw error;
+  }
+}
+
+async function sendLowBalanceAlert(balance, currency = "MMK") {
+  const config = getConfig();
+  const threshold = balance <= config.criticalBalance ? config.criticalBalance : config.warningBalance;
+  const level = balance <= config.criticalBalance ? "critical" : "warning";
+
+  if (balance > config.warningBalance) {
+    return { sent: false, skipped: true, reason: "balance_above_threshold" };
+  }
+
+  return sendNotification("lowBalance", {
+    message: `Smile.one balance is ${level}: ${balance.toLocaleString()} ${currency}.`,
+    details: {
+      balance,
+      currency,
+      level,
+      threshold,
+    },
+    cooldownKey: level,
+  });
+}
+
+async function sendAutomationFailureAlert(reason, details = {}) {
+  return sendNotification("automationFailure", {
+    message: reason || "Purchase automation failed.",
+    details,
+    cooldownKey: details.orderId || details.jobId || reason || "automation",
+  });
+}
+
+async function sendCriticalErrorAlert(error, details = {}) {
+  const message = error instanceof Error ? error.message : String(error || "Critical system error");
+  return sendNotification("criticalError", {
+    message,
+    details: {
+      ...details,
+      stack: error instanceof Error ? error.stack : undefined,
+    },
+    cooldownKey: details.component || message,
+  });
+}
+
+async function sendSessionExpiredAlert(account, details = {}) {
+  return sendNotification("sessionExpired", {
+    message: `Smile.one session expired${account ? ` for ${account}` : ""}.`,
+    details: {
+      account,
+      ...details,
+    },
+    cooldownKey: account || "smile-session",
+  });
+}
+
+module.exports = {
+  sendNotification,
+  sendLowBalanceAlert,
+  sendAutomationFailureAlert,
+  sendCriticalErrorAlert,
+  sendSessionExpiredAlert,
+};
@@ -0,0 +1,33 @@
+const fs = require("fs");
+const path = require("path");
+
+const logDir = path.join(__dirname, "..", "logs");
+const logFile = path.join(logDir, "email-notifications.log");
+
+function ensureLogDir() {
+  fs.mkdirSync(logDir, { recursive: true });
+}
+
+function write(level, message, meta = {}) {
+  ensureLogDir();
+  const entry = {
+    timestamp: new Date().toISOString(),
+    level,
+    message,
+    ...meta,
+  };
+  const line = JSON.stringify(entry);
+  fs.appendFileSync(logFile, `${line}\n`);
+
+  const printer = level === "error" ? console.error : console.log;
+  printer(line);
+}
+
+module.exports = {
+  info(message, meta) {
+    write("info", message, meta);
+  },
+  error(message, meta) {
+    write("error", message, meta);
+  },
+};
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -eu
+
+SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+
+"$SCRIPT_DIR/stop_server.sh"
+"$SCRIPT_DIR/start_server.sh"
@@ -0,0 +1,324 @@
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58808)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58809)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58810)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58811)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58812)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58813)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58814)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58815)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58816)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58817)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58818)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 58819)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 59371)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+----------------------------------------
+Exception occurred during processing of request from ('127.0.0.1', 59374)
+Traceback (most recent call last):
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 683, in process_request_thread
+    self.finish_request(request, client_address)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 360, in finish_request
+    self.RequestHandlerClass(request, client_address, self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 747, in __init__
+    self.handle()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 434, in handle
+    self.handle_one_request()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 422, in handle_one_request
+    method()
+  File "/Users/ven/Projects/game item resell/server.py", line 302, in do_GET
+  File "/Users/ven/Projects/game item resell/server.py", line 142, in expire_old_orders
+  File "/Users/ven/Projects/game item resell/server.py", line 62, in db
+sqlite3.OperationalError: unable to open database file
+----------------------------------------
+Traceback (most recent call last):
+  File "/Users/ven/Projects/SmartCoin/server.py", line 542, in <module>
+    server = ThreadingHTTPServer(("127.0.0.1", port), Handler)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 452, in __init__
+    self.server_bind()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 138, in server_bind
+    socketserver.TCPServer.server_bind(self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 466, in server_bind
+    self.socket.bind(self.server_address)
+OSError: [Errno 48] Address already in use
+Traceback (most recent call last):
+  File "/Users/ven/Projects/SmartCoin/server.py", line 542, in <module>
+    server = ThreadingHTTPServer(("127.0.0.1", port), Handler)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 452, in __init__
+    self.server_bind()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 138, in server_bind
+    socketserver.TCPServer.server_bind(self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 466, in server_bind
+    self.socket.bind(self.server_address)
+PermissionError: [Errno 1] Operation not permitted
+Traceback (most recent call last):
+  File "/Users/ven/Projects/SmartCoin/server.py", line 685, in <module>
+    server = ThreadingHTTPServer(("127.0.0.1", port), Handler)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 452, in __init__
+    self.server_bind()
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/http/server.py", line 138, in server_bind
+    socketserver.TCPServer.server_bind(self)
+  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/socketserver.py", line 466, in server_bind
+    self.socket.bind(self.server_address)
+PermissionError: [Errno 1] Operation not permitted
+Server running at http://127.0.0.1:8000
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+Server running at http://127.0.0.1:8000
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+127.0.0.1 - "GET / HTTP/1.1" 200 -
+127.0.0.1 - "GET /styles.css?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /app.js?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/pubg-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/ml-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+127.0.0.1 - "GET /favicon.ico HTTP/1.1" 404 -
+127.0.0.1 - "GET / HTTP/1.1" 200 -
+127.0.0.1 - "GET /styles.css?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /app.js?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/pubg-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/ml-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+127.0.0.1 - "GET /orders.html?game=PUBG%20Mobile HTTP/1.1" 200 -
+127.0.0.1 - "GET /styles.css?v=20260428-11 HTTP/1.1" 200 -
+127.0.0.1 - "GET /app.js?v=20260428-11 HTTP/1.1" 200 -
+127.0.0.1 - "GET /aya-pay-qr.png HTTP/1.1" 404 -
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+Server running at http://127.0.0.1:8000
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+127.0.0.1 - "GET / HTTP/1.1" 200 -
+127.0.0.1 - "GET /app.js?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /styles.css?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/pubg-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/ml-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+127.0.0.1 - "GET / HTTP/1.1" 200 -
+127.0.0.1 - "GET /styles.css?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/pubg-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /app.js?v=20260428-13 HTTP/1.1" 200 -
+127.0.0.1 - "GET /assets/ml-card.png HTTP/1.1" 200 -
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+127.0.0.1 - "GET /orders.html?game=PUBG%20Mobile HTTP/1.1" 200 -
+127.0.0.1 - "GET /styles.css?v=20260428-11 HTTP/1.1" 200 -
+127.0.0.1 - "GET /app.js?v=20260428-11 HTTP/1.1" 200 -
+127.0.0.1 - "GET /api/config HTTP/1.1" 200 -
+127.0.0.1 - "GET /aya-pay-qr.png HTTP/1.1" 404 -
+127.0.0.1 - "POST /api/orders HTTP/1.1" 200 -
@@ -0,0 +1 @@
+70547
@@ -0,0 +1,687 @@
+#!/usr/bin/env python3
+import cgi
+import json
+import os
+import random
+import secrets
+import sqlite3
+import time
+import urllib.parse
+import urllib.request
+from datetime import datetime, timezone
+from http import HTTPStatus
+from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
+from pathlib import Path
+
+
+BASE_DIR = Path(__file__).resolve().parent
+BACKEND_DIR = BASE_DIR / "backend"
+DB_DIR = BACKEND_DIR / "database"
+DB_PATH = DB_DIR / "orders.db"
+UPLOAD_DIR = BACKEND_DIR / "uploads"
+PUBLIC_DIR = BASE_DIR / "frontend"
+
+ORDER_EXPIRY_SECONDS = int(os.getenv("ORDER_EXPIRY_SECONDS", "600"))
+ACCOUNT_NAME = os.getenv("PAYMENT_ACCOUNT_NAME", "Your Account Name")
+KBZPAY_NUMBER = os.getenv("KBZPAY_NUMBER", "09XXXXXXXXX")
+AYAPAY_NUMBER = os.getenv("AYAPAY_NUMBER", "09YYYYYYYYY")
+AYAPAY_QR_PATH = os.getenv("AYAPAY_QR_PATH", "/aya-pay-qr.png")
+TELEGRAM_BOT_TOKEN = os.getenv("TELEGRAM_BOT_TOKEN", "")
+TELEGRAM_CHAT_ID = os.getenv("TELEGRAM_CHAT_ID", "")
+ADMIN_TOKEN = os.getenv("ADMIN_TOKEN", "change-me")
+
+PRODUCT_MENU = {
+    "Mobile Legends": {
+        "86 Diamonds": 2500,
+        "172 Diamonds": 5000,
+        "257 Diamonds": 7500,
+        "344 Diamonds": 10000,
+        "429 Diamonds": 12500,
+        "Weekly Pass": 7000,
+        "Monthly Pass": 28000,
+    },
+    "PUBG Mobile": {
+        "60 UC": 3200,
+        "325 UC": 15500,
+        "660 UC": 31000,
+        "1800 UC": 82000,
+        "3850 UC": 165000,
+        "8100 UC": 330000,
+    },
+}
+
+STATUSES = {
+    "pending",
+    "waiting_verification",
+    "paid",
+    "rejected",
+    "completed",
+    "expired",
+}
+
+
+def db():
+    conn = sqlite3.connect(DB_PATH, timeout=10)
+    conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA busy_timeout = 10000")
+    return conn
+
+
+def init_db():
+    DB_DIR.mkdir(parents=True, exist_ok=True)
+    UPLOAD_DIR.mkdir(parents=True, exist_ok=True)
+    PUBLIC_DIR.mkdir(exist_ok=True)
+    try:
+        with db() as conn:
+            try:
+                conn.execute("PRAGMA journal_mode = WAL")
+            except sqlite3.OperationalError as exc:
+                if "locked" not in str(exc).lower():
+                    raise
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS orders (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    order_id TEXT NOT NULL UNIQUE,
+                    game TEXT NOT NULL,
+                    user_game_id TEXT NOT NULL,
+                    product TEXT NOT NULL,
+                    amount INTEGER NOT NULL,
+                    payment_method TEXT,
+                    transaction_id TEXT,
+                    screenshot TEXT,
+                    status TEXT NOT NULL CHECK(status IN (
+                        'pending',
+                        'waiting_verification',
+                        'paid',
+                        'rejected',
+                        'completed',
+                        'expired'
+                    )),
+                    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS transaction_logs (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    order_id TEXT NOT NULL,
+                    action TEXT NOT NULL,
+                    detail TEXT,
+                    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS order_queue (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    order_id TEXT NOT NULL UNIQUE,
+                    status TEXT NOT NULL CHECK(status IN (
+                        'waiting',
+                        'processing',
+                        'completed',
+                        'failed'
+                    )),
+                    attempts INTEGER NOT NULL DEFAULT 0,
+                    last_error TEXT,
+                    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+                    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS smile_accounts (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    email TEXT NOT NULL UNIQUE,
+                    cookies TEXT,
+                    balance INTEGER NOT NULL DEFAULT 0,
+                    status TEXT NOT NULL CHECK(status IN (
+                        'active',
+                        'paused',
+                        'failed'
+                    )),
+                    last_used TIMESTAMP,
+                    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+                    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+                )
+                """
+            )
+    except sqlite3.OperationalError as exc:
+        if "locked" not in str(exc).lower():
+            raise
+        print("Warning: orders.db is locked by another app. Close DB Browser if order creation fails.")
+
+
+def row_to_dict(row):
+    if row is None:
+        return None
+    data = dict(row)
+    data["expires_at"] = created_ts(data["created_at"]) + ORDER_EXPIRY_SECONDS
+    data["seconds_remaining"] = max(0, data["expires_at"] - int(time.time()))
+    return data
+
+
+def created_ts(created_at):
+    created = datetime.strptime(created_at, "%Y-%m-%d %H:%M:%S")
+    return int(created.replace(tzinfo=timezone.utc).timestamp())
+
+
+def log_action(conn, order_id, action, detail=""):
+    conn.execute(
+        "INSERT INTO transaction_logs (order_id, action, detail) VALUES (?, ?, ?)",
+        (order_id, action, detail),
+    )
+
+
+def enqueue_paid_order(conn, order_id):
+    conn.execute(
+        """
+        INSERT INTO order_queue (order_id, status)
+        VALUES (?, 'waiting')
+        ON CONFLICT(order_id) DO UPDATE SET
+            status = CASE
+                WHEN order_queue.status IN ('completed', 'processing') THEN order_queue.status
+                ELSE 'waiting'
+            END,
+            updated_at = CURRENT_TIMESTAMP
+        """,
+        (order_id,),
+    )
+    log_action(conn, order_id, "queued", "Order is waiting for Smile.one automation")
+
+
+def update_queue_status(order_id, status, detail=""):
+    if status not in {"waiting", "processing", "completed", "failed"}:
+        raise ValueError("Invalid queue status")
+    with db() as conn:
+        queue_row = conn.execute(
+            "SELECT * FROM order_queue WHERE order_id = ?",
+            (order_id,),
+        ).fetchone()
+        if queue_row is None:
+            return None
+        if status == "processing":
+            conn.execute(
+                """
+                UPDATE order_queue
+                SET status = ?, attempts = attempts + 1, last_error = NULL, updated_at = CURRENT_TIMESTAMP
+                WHERE order_id = ?
+                """,
+                (status, order_id),
+            )
+        else:
+            conn.execute(
+                """
+                UPDATE order_queue
+                SET status = ?, last_error = ?, updated_at = CURRENT_TIMESTAMP
+                WHERE order_id = ?
+                """,
+                (status, detail, order_id),
+            )
+        if status == "completed":
+            conn.execute("UPDATE orders SET status = 'completed' WHERE order_id = ?", (order_id,))
+            log_action(conn, order_id, "completed", detail or "automation completed")
+        elif status == "failed":
+            log_action(conn, order_id, "automation_failed", detail)
+        elif status == "processing":
+            log_action(conn, order_id, "automation_processing", detail)
+        elif status == "waiting":
+            log_action(conn, order_id, "automation_retry", detail)
+        return dict(
+            conn.execute("SELECT * FROM order_queue WHERE order_id = ?", (order_id,)).fetchone()
+        )
+
+
+def expire_old_orders():
+    cutoff = int(time.time()) - ORDER_EXPIRY_SECONDS
+    with db() as conn:
+        rows = conn.execute(
+            "SELECT order_id FROM orders WHERE status = 'pending' AND strftime('%s', created_at) < ?",
+            (cutoff,),
+        ).fetchall()
+        for row in rows:
+            conn.execute(
+                "UPDATE orders SET status = 'expired' WHERE order_id = ?",
+                (row["order_id"],),
+            )
+            log_action(conn, row["order_id"], "expired", "Payment upload window elapsed")
+
+
+def get_order(order_id):
+    expire_old_orders()
+    with db() as conn:
+        return row_to_dict(
+            conn.execute("SELECT * FROM orders WHERE order_id = ?", (order_id,)).fetchone()
+        )
+
+
+def unique_order_id():
+    return f"ORD{int(time.time())}{random.randint(100, 999)}"
+
+
+def final_amount(product):
+    base = None
+    for products in PRODUCT_MENU.values():
+        if product in products:
+            base = products[product]
+            break
+    if base is None:
+        raise ValueError("Unknown product")
+    return base + random.randint(11, 89)
+
+
+def send_telegram(order):
+    if not TELEGRAM_BOT_TOKEN or not TELEGRAM_CHAT_ID:
+        return
+
+    caption = (
+        f"Payment waiting verification\n"
+        f"Order: {order['order_id']}\n"
+        f"Amount: {order['amount']} MMK\n"
+        f"Method: {order['payment_method']}\n"
+        f"Game: {order['game']}\n"
+        f"User ID: {order['user_game_id']}\n"
+        f"Product: {order['product']}\n"
+        f"Txn ID: {order.get('transaction_id') or '-'}\n\n"
+        "Verify inside KBZPay/AYA Pay before confirming."
+    )
+    keyboard = {
+        "inline_keyboard": [
+            [
+                {"text": "Confirm", "callback_data": f"confirm:{order['order_id']}"},
+                {"text": "Reject", "callback_data": f"reject:{order['order_id']}"},
+            ],
+            [{"text": "Completed", "callback_data": f"complete:{order['order_id']}"}],
+        ]
+    }
+
+    screenshot_path = BASE_DIR / order["screenshot"]
+    url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendPhoto"
+    boundary = f"----codex{secrets.token_hex(8)}"
+    body = multipart_body(
+        boundary,
+        {
+            "chat_id": TELEGRAM_CHAT_ID,
+            "caption": caption,
+            "reply_markup": json.dumps(keyboard),
+        },
+        "photo",
+        screenshot_path,
+    )
+    request = urllib.request.Request(
+        url,
+        data=body,
+        headers={"Content-Type": f"multipart/form-data; boundary={boundary}"},
+    )
+    try:
+        urllib.request.urlopen(request, timeout=10).read()
+    except Exception as exc:
+        with db() as conn:
+            log_action(conn, order["order_id"], "telegram_failed", str(exc))
+
+
+def multipart_body(boundary, fields, file_field, file_path):
+    chunks = []
+    for name, value in fields.items():
+        chunks.append(f"--{boundary}\r\n".encode())
+        chunks.append(f'Content-Disposition: form-data; name="{name}"\r\n\r\n'.encode())
+        chunks.append(str(value).encode())
+        chunks.append(b"\r\n")
+    chunks.append(f"--{boundary}\r\n".encode())
+    chunks.append(
+        f'Content-Disposition: form-data; name="{file_field}"; filename="{file_path.name}"\r\n'.encode()
+    )
+    chunks.append(b"Content-Type: image/jpeg\r\n\r\n")
+    chunks.append(file_path.read_bytes())
+    chunks.append(b"\r\n")
+    chunks.append(f"--{boundary}--\r\n".encode())
+    return b"".join(chunks)
+
+
+def telegram_answer_callback(callback_id, text):
+    if not TELEGRAM_BOT_TOKEN or not callback_id:
+        return
+    url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/answerCallbackQuery"
+    data = urllib.parse.urlencode({"callback_query_id": callback_id, "text": text}).encode()
+    try:
+        urllib.request.urlopen(url, data=data, timeout=10).read()
+    except Exception:
+        pass
+
+
+def send_telegram_text(text):
+    if not TELEGRAM_BOT_TOKEN or not TELEGRAM_CHAT_ID:
+        return
+    url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage"
+    data = urllib.parse.urlencode({"chat_id": TELEGRAM_CHAT_ID, "text": text}).encode()
+    try:
+        urllib.request.urlopen(url, data=data, timeout=10).read()
+    except Exception:
+        pass
+
+
+def update_order_status(order_id, status, detail=""):
+    if status not in STATUSES:
+        raise ValueError("Invalid status")
+    with db() as conn:
+        order = conn.execute("SELECT * FROM orders WHERE order_id = ?", (order_id,)).fetchone()
+        if order is None:
+            return None
+        conn.execute("UPDATE orders SET status = ? WHERE order_id = ?", (status, order_id))
+        if status == "paid":
+            enqueue_paid_order(conn, order_id)
+        log_action(conn, order_id, status, detail)
+        fresh = row_to_dict(
+            conn.execute("SELECT * FROM orders WHERE order_id = ?", (order_id,)).fetchone()
+        )
+    if status == "paid":
+        send_telegram_text(f"{order_id} is paid and ready to process on Smile.one.")
+    elif status == "rejected":
+        send_telegram_text(f"{order_id} was rejected. Do not process this order.")
+    elif status == "completed":
+        send_telegram_text(f"{order_id} has been marked completed.")
+    return fresh
+
+
+class Handler(BaseHTTPRequestHandler):
+    def do_HEAD(self):
+        parsed = urllib.parse.urlparse(self.path)
+        if parsed.path == "/":
+            return self.head_file(PUBLIC_DIR / "index.html", "text/html")
+        if parsed.path.startswith("/uploads/"):
+            return self.head_file(UPLOAD_DIR / parsed.path.removeprefix("/uploads/"), guess_type(parsed.path))
+        if parsed.path.startswith("/"):
+            return self.head_file(PUBLIC_DIR / parsed.path.lstrip("/"), guess_type(parsed.path))
+        self.send_response(HTTPStatus.NOT_FOUND)
+        self.end_headers()
+
+    def do_GET(self):
+        expire_old_orders()
+        parsed = urllib.parse.urlparse(self.path)
+        if parsed.path == "/":
+            return self.serve_file(PUBLIC_DIR / "index.html", "text/html")
+        if parsed.path == "/api/config":
+            return self.json(
+                {
+                    "account_name": ACCOUNT_NAME,
+                    "kbzpay_number": KBZPAY_NUMBER,
+                    "ayapay_number": AYAPAY_NUMBER,
+                    "ayapay_qr_path": AYAPAY_QR_PATH,
+                    "menu": PRODUCT_MENU,
+                    "expiry_seconds": ORDER_EXPIRY_SECONDS,
+                }
+            )
+        if parsed.path.startswith("/api/orders/"):
+            order_id = parsed.path.rsplit("/", 1)[-1]
+            order = get_order(order_id)
+            if not order:
+                return self.error(HTTPStatus.NOT_FOUND, "Order not found")
+            return self.json({"order": order})
+        if parsed.path == "/api/admin/orders":
+            if not self.is_admin(parsed):
+                return self.error(HTTPStatus.UNAUTHORIZED, "Invalid admin token")
+            with db() as conn:
+                rows = conn.execute(
+                    "SELECT * FROM orders ORDER BY id DESC LIMIT 100"
+                ).fetchall()
+            return self.json({"orders": [row_to_dict(row) for row in rows]})
+        if parsed.path == "/api/admin/queue":
+            if not self.is_admin(parsed):
+                return self.error(HTTPStatus.UNAUTHORIZED, "Invalid admin token")
+            with db() as conn:
+                rows = conn.execute(
+                    """
+                    SELECT q.*, o.game, o.user_game_id, o.product, o.amount
+                    FROM order_queue q
+                    JOIN orders o ON o.order_id = q.order_id
+                    ORDER BY q.id ASC
+                    LIMIT 100
+                    """
+                ).fetchall()
+            return self.json({"queue": [dict(row) for row in rows]})
+        if parsed.path == "/api/admin/smile-accounts":
+            if not self.is_admin(parsed):
+                return self.error(HTTPStatus.UNAUTHORIZED, "Invalid admin token")
+            with db() as conn:
+                rows = conn.execute(
+                    """
+                    SELECT id, email, balance, status, last_used, created_at, updated_at
+                    FROM smile_accounts
+                    ORDER BY status ASC, last_used ASC, id ASC
+                    """
+                ).fetchall()
+            return self.json({"accounts": [dict(row) for row in rows]})
+        if parsed.path.startswith("/uploads/"):
+            return self.serve_file(UPLOAD_DIR / parsed.path.removeprefix("/uploads/"), guess_type(parsed.path))
+        if parsed.path.startswith("/"):
+            return self.serve_file(PUBLIC_DIR / parsed.path.lstrip("/"), guess_type(parsed.path))
+        return self.error(HTTPStatus.NOT_FOUND, "Not found")
+
+    def do_POST(self):
+        expire_old_orders()
+        parsed = urllib.parse.urlparse(self.path)
+        if parsed.path == "/api/orders":
+            return self.create_order()
+        if parsed.path.startswith("/api/orders/") and parsed.path.endswith("/payment"):
+            order_id = parsed.path.split("/")[3]
+            return self.upload_payment(order_id)
+        if parsed.path == "/api/telegram/webhook":
+            return self.telegram_webhook()
+        if parsed.path.startswith("/api/admin/orders/"):
+            if not self.is_admin(parsed):
+                return self.error(HTTPStatus.UNAUTHORIZED, "Invalid admin token")
+            parts = parsed.path.split("/")
+            if len(parts) == 6 and parts[5] in {"confirm", "reject", "complete"}:
+                status = {"confirm": "paid", "reject": "rejected", "complete": "completed"}[parts[5]]
+                order = update_order_status(parts[4], status, "admin panel action")
+                if not order:
+                    return self.error(HTTPStatus.NOT_FOUND, "Order not found")
+                return self.json({"order": order})
+        if parsed.path.startswith("/api/admin/queue/"):
+            if not self.is_admin(parsed):
+                return self.error(HTTPStatus.UNAUTHORIZED, "Invalid admin token")
+            parts = parsed.path.split("/")
+            if len(parts) == 6 and parts[5] in {"process", "complete", "fail", "retry"}:
+                payload = self.read_json()
+                detail = (payload.get("detail") or "").strip()
+                status = {
+                    "process": "processing",
+                    "complete": "completed",
+                    "fail": "failed",
+                    "retry": "waiting",
+                }[parts[5]]
+                queue_item = update_queue_status(parts[4], status, detail)
+                if not queue_item:
+                    return self.error(HTTPStatus.NOT_FOUND, "Queue item not found")
+                return self.json({"queue_item": queue_item})
+        return self.error(HTTPStatus.NOT_FOUND, "Not found")
+
+    def create_order(self):
+        payload = self.read_json()
+        game = payload.get("game", "").strip()
+        user_game_id = payload.get("user_game_id", "").strip()
+        product = payload.get("product", "").strip()
+        if not game or not user_game_id or not product:
+            return self.error(HTTPStatus.BAD_REQUEST, "game, user_game_id, and product are required")
+        if game not in PRODUCT_MENU or product not in PRODUCT_MENU[game]:
+            return self.error(HTTPStatus.BAD_REQUEST, "Selected product is not available for this game")
+        try:
+            amount = final_amount(product)
+        except ValueError as exc:
+            return self.error(HTTPStatus.BAD_REQUEST, str(exc))
+
+        order_id = unique_order_id()
+        try:
+            with db() as conn:
+                conn.execute(
+                    """
+                    INSERT INTO orders (order_id, game, user_game_id, product, amount, status)
+                    VALUES (?, ?, ?, ?, ?, 'pending')
+                    """,
+                    (order_id, game, user_game_id, product, amount),
+                )
+                log_action(conn, order_id, "created", f"{product} for {user_game_id}")
+        except sqlite3.OperationalError as exc:
+            if "locked" in str(exc).lower():
+                return self.error(
+                    HTTPStatus.SERVICE_UNAVAILABLE,
+                    "Database is locked. Close DB Browser or any app currently editing orders.db, then try again.",
+                )
+            raise
+        return self.json({"order_id": order_id, "amount": amount})
+
+    def upload_payment(self, order_id):
+        order = get_order(order_id)
+        if not order:
+            return self.error(HTTPStatus.NOT_FOUND, "Order not found")
+        if order["status"] == "expired":
+            return self.error(HTTPStatus.GONE, "Order expired")
+        if order["status"] not in {"pending", "rejected"}:
+            return self.error(HTTPStatus.CONFLICT, "Payment upload is not available for this order")
+
+        form = cgi.FieldStorage(
+            fp=self.rfile,
+            headers=self.headers,
+            environ={
+                "REQUEST_METHOD": "POST",
+                "CONTENT_TYPE": self.headers.get("Content-Type"),
+            },
+        )
+        payment_method = (form.getfirst("payment_method") or "").strip()
+        transaction_id = (form.getfirst("transaction_id") or "").strip()
+        if payment_method not in {"KBZPay", "AYA Pay"}:
+            return self.error(HTTPStatus.BAD_REQUEST, "Invalid payment method")
+        file_item = form["screenshot"] if "screenshot" in form else None
+        if file_item is None or not file_item.filename:
+            return self.error(HTTPStatus.BAD_REQUEST, "Screenshot is required")
+
+        extension = Path(file_item.filename).suffix.lower()
+        if extension not in {".jpg", ".jpeg", ".png", ".webp"}:
+            return self.error(HTTPStatus.BAD_REQUEST, "Screenshot must be jpg, png, or webp")
+        safe_name = f"{order_id}-{secrets.token_hex(6)}{extension}"
+        output_path = UPLOAD_DIR / safe_name
+        with output_path.open("wb") as fh:
+            fh.write(file_item.file.read())
+        relative_path = f"uploads/{safe_name}"
+
+        with db() as conn:
+            conn.execute(
+                """
+                UPDATE orders
+                SET screenshot = ?, payment_method = ?, transaction_id = ?, status = 'waiting_verification'
+                WHERE order_id = ?
+                """,
+                (relative_path, payment_method, transaction_id, order_id),
+            )
+            log_action(conn, order_id, "screenshot_uploaded", payment_method)
+            fresh = row_to_dict(
+                conn.execute("SELECT * FROM orders WHERE order_id = ?", (order_id,)).fetchone()
+            )
+        send_telegram(fresh)
+        return self.json({"order": fresh})
+
+    def telegram_webhook(self):
+        payload = self.read_json()
+        callback = payload.get("callback_query") or {}
+        data = callback.get("data", "")
+        callback_id = callback.get("id")
+        if ":" not in data:
+            return self.json({"ok": True})
+        action, order_id = data.split(":", 1)
+        status_map = {"confirm": "paid", "reject": "rejected", "complete": "completed"}
+        if action not in status_map:
+            return self.json({"ok": True})
+        status = status_map[action]
+        detail = "telegram callback"
+        order = update_order_status(order_id, status, detail)
+        telegram_answer_callback(callback_id, f"{order_id} marked {status}" if order else "Order not found")
+        return self.json({"ok": bool(order), "order": order})
+
+    def read_json(self):
+        length = int(self.headers.get("Content-Length", "0"))
+        if length == 0:
+            return {}
+        return json.loads(self.rfile.read(length).decode())
+
+    def is_admin(self, parsed):
+        params = urllib.parse.parse_qs(parsed.query)
+        token = params.get("token", [""])[0]
+        return secrets.compare_digest(token, ADMIN_TOKEN)
+
+    def serve_file(self, path, content_type):
+        try:
+            resolved = path.resolve()
+            if not str(resolved).startswith(str(BASE_DIR)):
+                return self.error(HTTPStatus.FORBIDDEN, "Forbidden")
+            data = resolved.read_bytes()
+        except FileNotFoundError:
+            return self.error(HTTPStatus.NOT_FOUND, "Not found")
+        self.send_response(HTTPStatus.OK)
+        self.send_header("Content-Type", content_type)
+        if resolved.parent == PUBLIC_DIR:
+            self.send_header("Cache-Control", "no-store")
+        self.send_header("Content-Length", str(len(data)))
+        self.end_headers()
+        self.wfile.write(data)
+
+    def head_file(self, path, content_type):
+        try:
+            resolved = path.resolve()
+            if not str(resolved).startswith(str(BASE_DIR)):
+                self.send_response(HTTPStatus.FORBIDDEN)
+                self.end_headers()
+                return
+            size = resolved.stat().st_size
+        except FileNotFoundError:
+            self.send_response(HTTPStatus.NOT_FOUND)
+            self.end_headers()
+            return
+        self.send_response(HTTPStatus.OK)
+        self.send_header("Content-Type", content_type)
+        if resolved.parent == PUBLIC_DIR:
+            self.send_header("Cache-Control", "no-store")
+        self.send_header("Content-Length", str(size))
+        self.end_headers()
+
+    def json(self, payload, status=HTTPStatus.OK):
+        data = json.dumps(payload).encode()
+        self.send_response(status)
+        self.send_header("Content-Type", "application/json")
+        self.send_header("Content-Length", str(len(data)))
+        self.end_headers()
+        self.wfile.write(data)
+
+    def error(self, status, message):
+        return self.json({"error": message}, status)
+
+    def log_message(self, fmt, *args):
+        print(f"{self.address_string()} - {fmt % args}")
+
+
+def guess_type(path):
+    if path.endswith(".html"):
+        return "text/html"
+    if path.endswith(".css"):
+        return "text/css"
+    if path.endswith(".js"):
+        return "application/javascript"
+    if path.endswith(".png"):
+        return "image/png"
+    if path.endswith(".jpg") or path.endswith(".jpeg"):
+        return "image/jpeg"
+    if path.endswith(".webp"):
+        return "image/webp"
+    if path.endswith(".svg"):
+        return "image/svg+xml"
+    return "application/octet-stream"
+
+
+if __name__ == "__main__":
+    init_db()
+    port = int(os.getenv("PORT", "8000"))
+    server = ThreadingHTTPServer(("127.0.0.1", port), Handler)
+    print(f"Server running at http://127.0.0.1:{port}")
+    server.serve_forever()
@@ -0,0 +1,49 @@
+#!/bin/sh
+set -eu
+
+SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+PID_FILE="$SCRIPT_DIR/server.pid"
+LOG_FILE="$SCRIPT_DIR/server.log"
+
+PORT="${PORT:-8000}"
+ADMIN_TOKEN="${ADMIN_TOKEN:-test-token}"
+
+if [ -f "$PID_FILE" ]; then
+  OLD_PID=$(cat "$PID_FILE")
+  if kill -0 "$OLD_PID" 2>/dev/null; then
+    echo "Server already running on port $PORT with PID $OLD_PID"
+    echo "Open: http://127.0.0.1:$PORT/"
+    exit 0
+  fi
+  rm -f "$PID_FILE"
+fi
+
+cd "$SCRIPT_DIR"
+nohup env PORT="$PORT" ADMIN_TOKEN="$ADMIN_TOKEN" PYTHONUNBUFFERED=1 python3 server.py >> "$LOG_FILE" 2>&1 &
+PID=$!
+echo "$PID" > "$PID_FILE"
+
+COUNT=0
+READY=0
+while kill -0 "$PID" 2>/dev/null; do
+  if curl -fsS "http://127.0.0.1:$PORT/api/config" >/dev/null 2>&1; then
+    READY=1
+    break
+  fi
+  COUNT=$((COUNT + 1))
+  if [ "$COUNT" -ge 20 ]; then
+    break
+  fi
+  sleep 0.25
+done
+
+if [ "$READY" -eq 1 ]; then
+  echo "Server started on port $PORT with PID $PID"
+  echo "Open: http://127.0.0.1:$PORT/"
+  echo "Log: $LOG_FILE"
+else
+  rm -f "$PID_FILE"
+  echo "Server failed to start. Last log lines:"
+  tail -20 "$LOG_FILE" 2>/dev/null || true
+  exit 1
+fi
@@ -0,0 +1,36 @@
+#!/bin/sh
+set -eu
+
+SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+PID_FILE="$SCRIPT_DIR/server.pid"
+PORT="${PORT:-8000}"
+
+PID=""
+if [ -f "$PID_FILE" ]; then
+  PID=$(cat "$PID_FILE")
+fi
+
+if [ -z "$PID" ] || ! kill -0 "$PID" 2>/dev/null; then
+  PID=$(lsof -tiTCP:"$PORT" -sTCP:LISTEN 2>/dev/null || true)
+fi
+
+if [ -z "$PID" ]; then
+  rm -f "$PID_FILE"
+  echo "No server is running on port $PORT"
+  exit 0
+fi
+
+kill "$PID"
+
+COUNT=0
+while kill -0 "$PID" 2>/dev/null; do
+  COUNT=$((COUNT + 1))
+  if [ "$COUNT" -ge 20 ]; then
+    echo "Server did not stop after 10 seconds. Try: kill -9 $PID"
+    exit 1
+  fi
+  sleep 0.5
+done
+
+rm -f "$PID_FILE"
+echo "Server stopped. PID was $PID"