Update app.py

app.py

@@ -11,37 +11,35 @@ import time
 from datetime import datetime
 import logging
 import threading
+import requests
 from huggingface_hub import HfApi, hf_hub_download
 from huggingface_hub.utils import RepositoryNotFoundError
-from pytonapi.client import Tonapi # Corrected import
-from pytonapi.exceptions import AccountNotFoundError
+import decimal
 
-BOT_TOKEN = os.getenv("BOT_TOKEN", "7566834146:AAGiG4MaTZZvvvTVsqEJVG5SYK5hUlc_Ewo")
+# --- Configuration ---
+BOT_TOKEN = os.getenv("BOT_TOKEN") # Telegram Bot Token
 HOST = '0.0.0.0'
 PORT = 7860
-DATA_FILE = 'data.json'
+DATA_FILE = 'data.json' # Local file for visitor data
 
+# Hugging Face Settings
 REPO_ID = "flpolprojects/teledata"
-HF_DATA_FILE_PATH = "data.json"
-HF_TOKEN_WRITE = os.getenv("HF_TOKEN_WRITE")
-HF_TOKEN_READ = os.getenv("HF_TOKEN_READ")
+HF_DATA_FILE_PATH = "data.json" # Path within the HF repo
+HF_TOKEN_WRITE = os.getenv("HF_TOKEN_WRITE") # Token with write access
+HF_TOKEN_READ = os.getenv("HF_TOKEN_READ") # Token with read access
 
-TON_API_KEY = os.getenv("TON_API_KEY", "AE7WM7YGSNNKW5YAAAABMLCTU2KXDSRSNZM3Y4GF27OXBPZLAJPKXB6237ZFNQVLSX6F5NA")
+# TON Configuration
+TON_API_KEY = os.getenv("TON_API_KEY", "AE7WM7YGSNNKW5YAAAABMLCTU2KXDSRSNZM3Y4GF27OXBPZLAJPKXB6237ZFNQVLSX6F5NA") # TON API Key
+TON_API_URL = f"https://go.getblock.io/{TON_API_KEY}" # GetBlock API URL (adjust if using a different provider)
+NANOTON_TO_TON = Decimal('1000000000')
 
 app = Flask(__name__)
 logging.basicConfig(level=logging.INFO)
 app.secret_key = os.urandom(24)
 
+# --- Hugging Face & Data Handling ---
 _data_lock = threading.Lock()
-visitor_data_cache = {}
-
-try:
-    tonapi = Tonapi(api_key=TON_API_KEY)
-    logging.info("pytonapi initialized successfully.")
-except Exception as e:
-    logging.error(f"Failed to initialize pytonapi: {e}")
-    tonapi = None
-
+visitor_data_cache = {} # In-memory cache
 
 def download_data_from_hf():
     global visitor_data_cache
@@ -95,10 +93,10 @@ def load_visitor_data():
                 visitor_data_cache = {}
         return visitor_data_cache
 
-def save_visitor_data(data):
+def save_visitor_data(data_update):
     with _data_lock:
         try:
-            visitor_data_cache.update(data)
+            visitor_data_cache.update(data_update)
             with open(DATA_FILE, 'w', encoding='utf-8') as f:
                 json.dump(visitor_data_cache, f, ensure_ascii=False, indent=4)
             logging.info(f"Visitor data successfully saved to {DATA_FILE}.")
@@ -118,9 +116,13 @@ def upload_data_to_hf():
         api = HfApi()
         with _data_lock:
              file_content_exists = os.path.getsize(DATA_FILE) > 0
-             if not file_content_exists:
-                 logging.warning(f"{DATA_FILE} is empty. Skipping upload.")
-                 return
+             if not file_content_exists and not visitor_data_cache: # Handle empty cache/file scenario
+                  logging.info(f"{DATA_FILE} is empty and cache is empty. Skipping upload.")
+                  return
+             elif not file_content_exists: # File empty but cache has data, write cache first
+                  with open(DATA_FILE, 'w', encoding='utf-8') as f:
+                     json.dump(visitor_data_cache, f, ensure_ascii=False, indent=4)
+                  logging.info("Empty local file found, wrote cache to file before upload.")
 
              logging.info(f"Attempting to upload {DATA_FILE} to {REPO_ID}/{HF_DATA_FILE_PATH}...")
              api.upload_file(
@@ -148,7 +150,11 @@ def periodic_backup():
          logging.info("Initiating periodic backup...")
          upload_data_to_hf()
 
+# --- Telegram Verification ---
 def verify_telegram_data(init_data_str):
+    if not BOT_TOKEN:
+         logging.error("BOT_TOKEN not set. Telegram data verification skipped.")
+         return None, False
     try:
         parsed_data = parse_qs(init_data_str)
         received_hash = parsed_data.pop('hash', [None])[0]
@@ -167,8 +173,9 @@ def verify_telegram_data(init_data_str):
         if calculated_hash == received_hash:
             auth_date = int(parsed_data.get('auth_date', [0])[0])
             current_time = int(time.time())
+            # Allow data up to 24 hours old (86400 seconds)
             if current_time - auth_date > 86400:
-                 logging.warning(f"Telegram InitData is older than 24 hours (Auth Date: {auth_date}, Current: {current_time}).")
+                 logging.warning(f"Telegram InitData is older than 24 hours (Auth Date: {auth_date}, Current: {current_time}). Verification passed but data is old.")
             return parsed_data, True
         else:
             logging.warning(f"Data verification failed. Calculated: {calculated_hash}, Received: {received_hash}")
@@ -177,6 +184,47 @@ def verify_telegram_data(init_data_str):
         logging.error(f"Error verifying Telegram data: {e}")
         return None, False
 
+# --- TON Integration ---
+def get_ton_balance(address):
+    if not TON_API_KEY:
+        logging.error("TON_API_KEY not set. Cannot fetch balance.")
+        return None, "TON API Key not configured."
+
+    headers = {'Content-Type': 'application/json'}
+    payload = {
+        "jsonrpc": "2.0",
+        "method": "getAccountState",
+        "params": [address],
+        "id": 1
+    }
+    try:
+        response = requests.post(TON_API_URL, headers=headers, json=payload, timeout=10)
+        response.raise_for_status() # Raise an exception for bad status codes
+        result = response.json()
+
+        if 'error' in result:
+            logging.error(f"TON API Error for address {address}: {result['error']}")
+            return None, f"TON API Error: {result['error'].get('message', 'Unknown error')}"
+
+        account_state = result.get('result')
+        if not account_state or 'balance' not in account_state:
+             # Account might be inactive or not exist
+             logging.warning(f"Account state or balance not found for address {address}. Result: {account_state}")
+             return '0', "Аккаунт неактивен или баланс 0." # Assume 0 balance for inactive/unknown state
+
+        balance_nanoton = Decimal(account_state['balance'])
+        balance_ton = balance_nanoton / NANOTON_TO_TON
+        return str(balance_ton), None # Return balance as string
+
+    except requests.exceptions.RequestException as e:
+        logging.error(f"Error fetching TON balance for address {address}: {e}")
+        return None, f"Network Error: Could not connect to TON API."
+    except Exception as e:
+        logging.exception(f"Unexpected error fetching TON balance for address {address}: {e}")
+        return None, "Internal error fetching balance."
+
+
+# --- HTML Templates ---
 TEMPLATE = """
 <!DOCTYPE html>
 <html lang="ru">
@@ -185,6 +233,8 @@ TEMPLATE = """
     <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no, user-scalable=no, viewport-fit=cover">
     <title>Morshen Group</title>
     <script src="https://telegram.org/js/telegram-web-app.js"></script>
+    <script src="https://unpkg.com/@tonconnect/sdk@latest/dist/tonconnect-sdk.min.js"></script>
+    <script src="https://unpkg.com/@tonconnect/ui@latest/dist/tonconnect-ui.min.js"></script>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
@@ -199,7 +249,7 @@ TEMPLATE = """
             --tg-theme-secondary-bg-color: {{ theme.secondary_bg_color | default('#1e1e1e') }};
 
             --bg-gradient: linear-gradient(160deg, #1a232f 0%, #121212 100%);
-            --card-bg: rgba(44, 44, 46, 0.8);
+            --card-bg: rgba(44, 44, 46, 0.8); /* Semi-transparent card */
             --card-bg-solid: #2c2c2e;
             --text-color: var(--tg-theme-text-color);
             --text-secondary-color: var(--tg-theme-hint-color);
@@ -207,16 +257,16 @@ TEMPLATE = """
             --accent-gradient-green: linear-gradient(95deg, #34c759, #30d158);
             --tag-bg: rgba(255, 255, 255, 0.1);
             --border-radius-s: 8px;
-            --border-radius-m: 14px;
-            --border-radius-l: 18px;
+            --border-radius-m: 14px; /* Increased radius */
+            --border-radius-l: 18px; /* Increased radius */
             --padding-s: 10px;
-            --padding-m: 18px;
-            --padding-l: 28px;
+            --padding-m: 18px; /* Increased padding */
+            --padding-l: 28px; /* Increased padding */
             --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
             --shadow-color: rgba(0, 0, 0, 0.3);
             --shadow-light: 0 4px 15px var(--shadow-color);
             --shadow-medium: 0 6px 25px var(--shadow-color);
-            --backdrop-blur: 10px;
+            --backdrop-blur: 10px; /* Glassmorphism effect */
         }
         * { box-sizing: border-box; margin: 0; padding: 0; }
         html {
@@ -228,11 +278,11 @@ TEMPLATE = """
             background: var(--bg-gradient);
             color: var(--text-color);
             padding: var(--padding-m);
-            padding-bottom: 120px;
+            padding-bottom: 120px; /* More space for fixed button */
             overscroll-behavior-y: none;
             -webkit-font-smoothing: antialiased;
             -moz-osx-font-smoothing: grayscale;
-            visibility: hidden;
+            visibility: hidden; /* Hide until ready */
             min-height: 100vh;
         }
         .container {
@@ -251,7 +301,7 @@ TEMPLATE = """
         }
         .logo { display: flex; align-items: center; gap: var(--padding-s); }
         .logo img {
-            width: 50px;
+            width: 50px; /* Larger logo */
             height: 50px;
             border-radius: 50%;
             background-color: var(--card-bg-solid);
@@ -259,23 +309,30 @@ TEMPLATE = """
             border: 2px solid rgba(255, 255, 255, 0.15);
             box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
         }
-        .logo span { font-size: 1.6em; font-weight: 700; letter-spacing: -0.5px; }
+        .logo span { font-size: 1.6em; font-weight: 700; letter-spacing: -0.5px; } /* Bold, slightly larger */
         .btn {
             display: inline-flex; align-items: center; justify-content: center;
             padding: 12px var(--padding-m); border-radius: var(--border-radius-m);
             background: var(--accent-gradient); color: var(--tg-theme-button-text-color);
-            text-decoration: none; font-weight: 600;
+            text-decoration: none; font-weight: 600; /* Bolder */
             border: none; cursor: pointer;
             transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
             gap: 8px; font-size: 1em;
             box-shadow: var(--shadow-light);
             letter-spacing: 0.3px;
+            text-align: center;
         }
         .btn:hover {
             opacity: 0.9;
             box-shadow: var(--shadow-medium);
             transform: translateY(-2px);
         }
+        .btn:disabled {
+             opacity: 0.5;
+             cursor: not-allowed;
+             transform: none;
+             box-shadow: var(--shadow-light);
+        }
         .btn-secondary {
             background: var(--card-bg);
             color: var(--tg-theme-link-color);
@@ -285,6 +342,14 @@ TEMPLATE = """
             background: rgba(44, 44, 46, 0.95);
             box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2), var(--shadow-medium);
         }
+         .btn-green {
+             background: var(--accent-gradient-green);
+             color: var(--tg-theme-button-text-color);
+             box-shadow: var(--shadow-light);
+         }
+         .btn-green:hover {
+             background: linear-gradient(95deg, #28a745, #218838); /* Darker green */
+         }
         .tag {
             display: inline-block; background: var(--tag-bg); color: var(--text-secondary-color);
             padding: 6px 12px; border-radius: var(--border-radius-s); font-size: 0.85em;
@@ -297,14 +362,14 @@ TEMPLATE = """
             background-color: var(--card-bg);
             border-radius: var(--border-radius-l);
             padding: var(--padding-l);
-            margin-bottom: 0;
+            margin-bottom: 0; /* Removed bottom margin, gap handles spacing */
             box-shadow: var(--shadow-medium);
             border: 1px solid rgba(255, 255, 255, 0.08);
             backdrop-filter: blur(var(--backdrop-blur));
             -webkit-backdrop-filter: blur(var(--backdrop-blur));
         }
         .section-title {
-            font-size: 2em;
+            font-size: 2em; /* Larger titles */
             font-weight: 700; margin-bottom: var(--padding-s); line-height: 1.25;
             letter-spacing: -0.6px;
         }
@@ -313,7 +378,7 @@ TEMPLATE = """
             margin-bottom: var(--padding-m);
         }
         .description {
-            font-size: 1.05em; line-height: 1.6; color: var(--text-secondary-color);
+            font-size: 1.05em; line-height: 1.6; color: var(--text-secondary-color); /* Slightly larger desc */
             margin-bottom: var(--padding-m);
         }
         .stats-grid {
@@ -333,7 +398,7 @@ TEMPLATE = """
             background-color: var(--card-bg-solid);
             padding: var(--padding-m); border-radius: var(--border-radius-m);
             margin-bottom: var(--padding-s); display: flex; align-items: center;
-            gap: var(--padding-m);
+            gap: var(--padding-m); /* Increased gap */
             font-size: 1.1em; font-weight: 500;
             border: 1px solid rgba(255, 255, 255, 0.08);
             transition: background-color 0.2s ease, transform 0.2s ease;
@@ -349,11 +414,11 @@ TEMPLATE = """
         }
         .save-card-button {
             position: fixed;
-            bottom: 30px;
+            bottom: 30px; /* Raised */
             left: 50%;
             transform: translateX(-50%);
-            padding: 14px 28px;
-            border-radius: 30px;
+            padding: 14px 28px; /* Larger padding */
+            border-radius: 30px; /* More rounded */
             background: var(--accent-gradient-green);
             color: var(--tg-theme-button-text-color);
             text-decoration: none;
@@ -362,25 +427,59 @@ TEMPLATE = """
             cursor: pointer;
             transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
             z-index: 1000;
-            box-shadow: var(--shadow-medium), 0 0 0 4px rgba(var(--tg-theme-bg-color-rgb, 18, 18, 18), 0.5);
-            font-size: 1.05em;
+            box-shadow: var(--shadow-medium), 0 0 0 4px rgba(var(--tg-theme-bg-color-rgb, 18, 18, 18), 0.5); /* Add outer glow */
+            font-size: 1.05em; /* Slightly larger text */
             display: flex;
             align-items: center;
-            gap: 10px;
+            gap: 10px; /* Increased gap */
             backdrop-filter: blur(5px);
             -webkit-backdrop-filter: blur(5px);
         }
         .save-card-button:hover {
             opacity: 0.95;
-            transform: translateX(-50%) scale(1.05);
+            transform: translateX(-50%) scale(1.05); /* Slightly larger scale */
             box-shadow: var(--shadow-medium), 0 0 0 4px rgba(var(--tg-theme-bg-color-rgb, 18, 18, 18), 0.3);
         }
         .save-card-button i { font-size: 1.2em; }
 
+        /* TON Wallet Section */
+        .ton-wallet-section h2 {
+             font-size: 1.6em;
+             font-weight: 600;
+             margin-bottom: var(--padding-s);
+        }
+        .ton-wallet-section .wallet-info {
+             margin-top: var(--padding-m);
+             padding: var(--padding-m);
+             background-color: rgba(255, 255, 255, 0.05);
+             border-radius: var(--border-radius-m);
+             border: 1px solid rgba(255, 255, 255, 0.08);
+             word-break: break-all;
+        }
+        .ton-wallet-section .wallet-info p { margin-bottom: 8px; font-size: 1em; }
+        .ton-wallet-section .wallet-info strong { color: var(--tg-theme-link-color); }
+        .ton-wallet-section .wallet-info .balance {
+             font-size: 1.3em;
+             font-weight: 600;
+             margin-top: 12px;
+             color: var(--accent-gradient-start, #34c759);
+        }
+         .ton-wallet-section .wallet-info .balance span { font-size: 0.8em; color: var(--text-secondary-color); }
+        .ton-wallet-actions {
+             display: flex;
+             gap: var(--padding-s);
+             margin-top: var(--padding-m);
+             flex-wrap: wrap;
+             justify-content: center;
+        }
+        .ton-wallet-actions .btn { flex-grow: 1; }
+
+
+        /* Modal Styles */
         .modal {
             display: none; position: fixed; z-index: 1001;
             left: 0; top: 0; width: 100%; height: 100%;
-            overflow: auto; background-color: rgba(0,0,0,0.7);
+            overflow: auto; background-color: rgba(0,0,0,0.7); /* Darker backdrop */
             backdrop-filter: blur(8px);
             -webkit-backdrop-filter: blur(8px);
             animation: fadeIn 0.3s ease-out;
@@ -407,21 +506,8 @@ TEMPLATE = """
         .modal-text { font-size: 1.2em; line-height: 1.6; margin-bottom: var(--padding-s); word-wrap: break-word; }
         .modal-text b { color: var(--tg-theme-link-color); font-weight: 600; }
         .modal-instruction { font-size: 1em; color: var(--text-secondary-color); margin-top: var(--padding-m); }
-        .ton-info {
-             margin-top: var(--padding-m);
-             padding: var(--padding-m);
-             border-radius: var(--border-radius-m);
-             background-color: rgba(255, 255, 255, 0.08);
-             border: 1px solid rgba(255, 255, 255, 0.1);
-             text-align: center;
-        }
-        .ton-info p { margin-bottom: 0.5rem; }
-        .ton-info strong { color: var(--tg-theme-link-color); }
-        .ton-address { font-size: 0.9em; color: var(--text-secondary-color); word-break: break-all; margin-top: 0.5rem; }
-        .ton-balance { font-size: 1.4em; font-weight: 600; color: var(--accent-gradient-green-end, #30d158); margin-top: 0.5rem; }
-        .ton-error { font-size: 1em; color: var(--admin-danger, #dc3545); margin-top: 0.5rem; }
-
 
+        /* Icons */
         .icon { display: inline-block; width: 1.2em; text-align: center; margin-right: 8px; opacity: 0.9; }
         .icon-save::before { content: '💾'; }
         .icon-web::before { content: '🌐'; }
@@ -442,9 +528,11 @@ TEMPLATE = """
         .icon-link::before { content: '🔗'; }
         .icon-leader::before { content: '🏆'; }
         .icon-company::before { content: '🏢'; }
+        .icon-wallet::before { content: '👛'; }
         .icon-ton::before { content: '💎'; }
+        .icon-refresh::before { content: '🔄'; }
 
-
+        /* Responsive adjustments */
         @media (max-width: 480px) {
             .section-title { font-size: 1.8em; }
             .logo span { font-size: 1.4em; }
@@ -453,6 +541,8 @@ TEMPLATE = """
             .stats-grid { grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: var(--padding-s); }
             .stat-value { font-size: 1.5em; }
             .modal-content { margin: 25% auto; width: 92%; }
+             .ton-wallet-section h2 { font-size: 1.4em; }
+             .ton-wallet-section .wallet-info .balance { font-size: 1.1em; }
         }
     </style>
 </head>
@@ -475,11 +565,29 @@ TEMPLATE = """
                 Объединяем передовые технологические компании для создания инновационных
                 решений мирового уровня. Мы строим будущее технологий сегодня.
             </p>
-             <a href="#" class="btn contact-link" style="background: var(--accent-gradient-green); width: 100%; margin-top: var(--padding-s);">
+             <a href="#" class="btn contact-link btn-green" style="width: 100%; margin-top: var(--padding-s);">
                  <i class="icon icon-contact"></i>Написать нам в Telegram
              </a>
         </section>
 
+        <section class="ton-wallet-section section-card">
+            <h2><i class="icon icon-ton"></i>Интеграция с TON</h2>
+            <p class="description" id="wallet-connect-status">
+                Подключите ваш TON кошелек, чтобы увидеть баланс.
+            </p>
+             <div id="ton-connect-button"></div> {# TonConnectUI renders button here #}
+
+             <div id="wallet-info" class="wallet-info" style="display: none;">
+                 <p><strong>Кошелек:</strong> <span id="wallet-address">-</span></p>
+                 <p id="wallet-balance-display"><i class="icon icon-ton"></i> <strong>Баланс:</strong> <span class="balance">- TON</span></p>
+                 <div class="ton-wallet-actions">
+                     <button id="fetch-balance-btn" class="btn btn-secondary" style="display: none;"><i class="icon icon-refresh"></i>Обновить баланс</button>
+                     <button id="disconnect-wallet-btn" class="btn btn-danger" style="display: none;">Отключить</button>
+                 </div>
+            </div>
+        </section>
+
+
          <section class="ecosystem-header">
              <h2 class="section-title"><i class="icon icon-company"></i>Экосистема инноваций</h2>
              <p class="description">
@@ -553,20 +661,6 @@ TEMPLATE = """
              </div>
         </section>
 
-        <section class="section-card">
-            <h2 class="section-title"><i class="icon icon-ton"></i>TON Кошелек</h2>
-            <p class="description">Проверьте баланс вашего TON кошелька.</p>
-            <div style="text-align: center; margin-bottom: var(--padding-m);">
-                 <button id="ton-button" class="btn"><i class="icon icon-ton"></i> Проверить баланс</button>
-            </div>
-            <div id="ton-info-display" class="ton-info" style="display: none;">
-                 <p><strong>Адрес:</strong> <span id="ton-address-display"></span></p>
-                 <p><strong>Баланс:</strong> <span id="ton-balance-display"></span></p>
-                 <p id="ton-error-display" class="ton-error" style="display: none;"></p>
-            </div>
-        </section>
-
-
         <section class="section-card">
             <h2 class="section-title"><i class="icon icon-global"></i>Глобальное присутствие</h2>
             <p class="description">Наши инновационные решения и экспертиза доступны в странах Центральной Азии и за ее пределами:</p>
@@ -588,6 +682,7 @@ TEMPLATE = """
         <i class="icon icon-save"></i>Сохранить визитку
     </button>
 
+    <!-- The Modal -->
     <div id="saveModal" class="modal">
       <div class="modal-content">
         <span class="modal-close" id="modal-close-btn">×</span>
@@ -601,6 +696,8 @@ TEMPLATE = """
 
     <script>
         const tg = window.Telegram.WebApp;
+        let telegramUserId = null;
+        let tonConnectUI = null;
 
         function applyTheme(themeParams) {
             const root = document.documentElement;
@@ -621,71 +718,9 @@ TEMPLATE = """
             } catch (e) {
                  root.style.setProperty('--tg-theme-bg-color-rgb', `18, 18, 18`);
             }
-             try {
-                const greenColor = themeParams.button_color || '#34c759';
-                const greenGradientEnd = '#' + (parseInt(greenColor.slice(1), 16) + 0x101010).toString(16).padStart(6, '0');
-                root.style.setProperty('--accent-gradient-green', `linear-gradient(95deg, #34c759, ${themeParams.button_color || '#30d158'})`);
-                root.style.setProperty('--accent-gradient-green-end', themeParams.button_color || '#30d158');
-             } catch (e) {
-                 root.style.setProperty('--accent-gradient-green', 'linear-gradient(95deg, #34c759, #30d158)');
-                  root.style.setProperty('--accent-gradient-green-end', '#30d158');
-             }
-
         }
 
-        async function getTonBalance(address) {
-            const tonInfoDisplay = document.getElementById('ton-info-display');
-            const tonAddressDisplay = document.getElementById('ton-address-display');
-            const tonBalanceDisplay = document.getElementById('ton-balance-display');
-            const tonErrorDisplay = document.getElementById('ton-error-display');
-            const tonButton = document.getElementById('ton-button');
-
-            tonInfoDisplay.style.display = 'block';
-            tonAddressDisplay.textContent = address;
-            tonBalanceDisplay.textContent = 'Загрузка...';
-            tonBalanceDisplay.style.color = 'var(--tg-theme-hint-color)';
-            tonErrorDisplay.style.display = 'none';
-            tonButton.disabled = true;
-            tonButton.style.opacity = 0.7;
-
-
-            try {
-                const response = await fetch('/get_ton_balance', {
-                    method: 'POST',
-                    headers: { 'Content-Type': 'application/json' },
-                    body: JSON.stringify({ wallet_address: address })
-                });
-
-                const data = await response.json();
-
-                if (response.ok && data.status === 'ok') {
-                    tonBalanceDisplay.textContent = `${data.balance} TON`;
-                     tonBalanceDisplay.style.color = 'var(--accent-gradient-green-end, #30d158)';
-                     if (tg.HapticFeedback) tg.HapticFeedback.notificationOccurred('success');
-                } else {
-                    tonBalanceDisplay.textContent = '';
-                    tonErrorDisplay.textContent = data.message || 'Неизвестная ошибка';
-                    tonErrorDisplay.style.display = 'block';
-                    tonBalanceDisplay.style.color = 'var(--admin-danger, #dc3545)';
-                     console.error('TON Balance Error:', data.message);
-                     if (tg.HapticFeedback) tg.HapticFeedback.notificationOccurred('error');
-
-                }
-            } catch (error) {
-                 tonBalanceDisplay.textContent = '';
-                tonErrorDisplay.textContent = `Ошибка сети: ${error.message}`;
-                tonErrorDisplay.style.display = 'block';
-                 tonBalanceDisplay.style.color = 'var(--admin-danger, #dc3545)';
-                 console.error('Fetch Error:', error);
-                 if (tg.HapticFeedback) tg.HapticFeedback.notificationOccurred('error');
-            } finally {
-                tonButton.disabled = false;
-                tonButton.style.opacity = 1;
-            }
-        }
-
-
-        function setupTelegram() {
+        async function setupTelegram() {
             if (!tg || !tg.initData) {
                  console.error("Telegram WebApp script not loaded or initData is missing.");
                  const greetingElement = document.getElementById('greeting');
@@ -700,36 +735,43 @@ TEMPLATE = """
             applyTheme(tg.themeParams);
             tg.onEvent('themeChanged', () => applyTheme(tg.themeParams));
 
-             fetch('/verify', {
-                 method: 'POST',
-                 headers: {
-                     'Content-Type': 'application/json',
-                     'Accept': 'application/json'
-                 },
-                 body: JSON.stringify({ initData: tg.initData }),
-             })
-             .then(response => response.json())
-             .then(data => {
-                 if (data.status === 'ok' && data.verified) {
+            // Send initData for verification and user logging
+            try {
+                 const response = await fetch('/verify', {
+                     method: 'POST',
+                     headers: {
+                         'Content-Type': 'application/json',
+                         'Accept': 'application/json'
+                     },
+                     body: JSON.stringify({ initData: tg.initData }),
+                 });
+
+                 const data = await response.json();
+                 if (response.ok && data.status === 'ok' && data.verified) {
                      console.log('Backend verification successful.');
+                      if (data.user && data.user.id) {
+                         telegramUserId = data.user.id;
+                         const name = data.user.first_name || data.user.username || 'Гость';
+                         document.getElementById('greeting').textContent = `Добро пожаловать, ${name}! 👋`;
+
+                         // Initialize TON Connect UI after user ID is confirmed
+                         setupTonConnect(telegramUserId);
+
+                     } else {
+                         document.getElementById('greeting').textContent = 'Добро пожаловать!';
+                         console.warn('Telegram User data not available (initDataUnsafe.user is empty) after verification.');
+                     }
                  } else {
                      console.warn('Backend verification failed:', data.message);
+                     document.getElementById('greeting').textContent = 'Добро пожаловать! (Ошибка верификации)';
                  }
-             })
-             .catch(error => {
+             } catch (error) {
                  console.error('Error sending initData for verification:', error);
-             });
-
-             const user = tg.initDataUnsafe?.user;
-             const greetingElement = document.getElementById('greeting');
-             if (user) {
-                 const name = user.first_name || user.username || 'Гость';
-                 greetingElement.textContent = `Добро пожаловать, ${name}! 👋`;
-             } else {
-                 greetingElement.textContent = 'Добро пожаловать!';
-                 console.warn('Telegram User data not available (initDataUnsafe.user is empty).');
+                 document.getElementById('greeting').textContent = 'Добро пожаловать! (Ошибка сервера)';
              }
 
+
+             // Contact Links
              const contactButtons = document.querySelectorAll('.contact-link');
              contactButtons.forEach(button => {
                  button.addEventListener('click', (e) => {
@@ -738,6 +780,7 @@ TEMPLATE = """
                  });
              });
 
+             // Modal Setup
              const modal = document.getElementById("saveModal");
              const saveCardBtn = document.getElementById("save-card-btn");
              const closeBtn = document.getElementById("modal-close-btn");
@@ -764,23 +807,190 @@ TEMPLATE = """
                  console.error("Modal elements not found!");
              }
 
-             const tonButton = document.getElementById('ton-button');
-             if (tonButton) {
-                 tonButton.addEventListener('click', async () => {
-                     const address = prompt("Пожалуйста, введите адрес вашего TON кошелька:");
-                     if (address) {
-                         await getTonBalance(address.trim());
-                     } else {
-                         alert("Адрес кошелька не введен.");
+             document.body.style.visibility = 'visible';
+         }
+
+        async function setupTonConnect(userId) {
+            if (!userId) {
+                console.error("Telegram User ID is required to setup TON Connect.");
+                document.getElementById('wallet-connect-status').textContent = 'Не удалось инициализировать интеграцию с TON (нет User ID).';
+                return;
+            }
+             document.getElementById('wallet-connect-status').textContent = 'Инициализация TON Connect...';
+
+            try {
+                 tonConnectUI = new TON_CONNECT_UI.TonConnectUI({
+                     manifestUrl: window.location.origin + '/tonconnect-manifest.json',
+                     connector: {
+                          timeout: 10000 // 10 seconds timeout for connectors
                      }
                  });
+
+                 tonConnectUI.uiOptions = {
+                      uiPreferences: {
+                           theme: tg.themeParams.bg_color === '#121212' || tg.themeParams.bg_color === '#000000' ? 'dark' : 'light',
+                      }
+                 };
+
+
+                 tonConnectUI.onStatusChange(wallet => {
+                     updateWalletInfo(wallet, userId);
+                 }, error => {
+                      console.error("TON Connect onStatusChange error:", error);
+                      document.getElementById('wallet-connect-status').textContent = 'Ошибка TON Connect. Попробуйте позже.';
+                      hideWalletInfo();
+                      // Potentially re-render button or show specific error
+                      if (tonConnectUI) {
+                         tonConnectUI.renderButton(document.getElementById('ton-connect-button'), {
+                             onClick: () => { tonConnectUI.connectWallet(); }
+                         });
+                      }
+                 });
+
+                 tonConnectUI.renderButton(document.getElementById('ton-connect-button'), {
+                     onClick: () => { tonConnectUI.connectWallet(); }
+                 });
+
+                 // Initial check in case wallet is already connected
+                 updateWalletInfo(tonConnectUI.wallet, userId);
+
+            } catch (e) {
+                 console.error("Failed to initialize TON Connect UI:", e);
+                 document.getElementById('wallet-connect-status').textContent = 'Ошибка при запуске TON Connect.';
+                 hideWalletInfo();
+            }
+        }
+
+        async function updateWalletInfo(wallet, userId) {
+            const walletInfoDiv = document.getElementById('wallet-info');
+            const connectStatusText = document.getElementById('wallet-connect-status');
+            const walletAddressSpan = document.getElementById('wallet-address');
+            const balanceDisplay = document.getElementById('wallet-balance-display');
+            const fetchBalanceBtn = document.getElementById('fetch-balance-btn');
+            const disconnectBtn = document.getElementById('disconnect-wallet-btn');
+            const tonConnectButtonContainer = document.getElementById('ton-connect-button');
+
+            if (wallet) {
+                console.log("Wallet connected:", wallet);
+                // Hide TonConnectUI button
+                if (tonConnectButtonContainer) tonConnectButtonContainer.style.display = 'none';
+
+                connectStatusText.style.display = 'none';
+                walletInfoDiv.style.display = 'block';
+                walletAddressSpan.textContent = wallet.account.address;
+                disconnectBtn.style.display = 'inline-flex';
+                fetchBalanceBtn.style.display = 'inline-flex';
+                balanceDisplay.innerHTML = '<i class="icon icon-ton"></i> <strong>Баланс:</strong> <span class="balance">Загрузка...</span>';
+                fetchBalanceBtn.disabled = false; // Enable fetch button
+
+                // Save address to backend
+                saveTonAddress(userId, wallet.account.address);
+
+                // Automatically fetch balance after connection
+                fetchTonBalance(userId, wallet.account.address);
+
+            } else {
+                console.log("Wallet disconnected.");
+                // Show TonConnectUI button
+                 if (tonConnectButtonContainer) tonConnectButtonContainer.style.display = 'block';
+                connectStatusText.style.display = 'block';
+                connectStatusText.textContent = 'Подключите ваш TON кошелек, чтобы увидеть баланс.';
+                hideWalletInfo();
+                // Potentially clear saved address on backend? Depends on desired behavior.
+            }
+        }
+
+        function hideWalletInfo() {
+            const walletInfoDiv = document.getElementById('wallet-info');
+            const walletAddressSpan = document.getElementById('wallet-address');
+            const balanceDisplay = document.getElementById('wallet-balance-display');
+            const fetchBalanceBtn = document.getElementById('fetch-balance-btn');
+            const disconnectBtn = document.getElementById('disconnect-wallet-btn');
+
+            walletInfoDiv.style.display = 'none';
+            walletAddressSpan.textContent = '-';
+            balanceDisplay.innerHTML = '<i class="icon icon-ton"></i> <strong>Баланс:</strong> <span class="balance">- TON</span>';
+            fetchBalanceBtn.style.display = 'none';
+            disconnectBtn.style.display = 'none';
+        }
+
+        async function saveTonAddress(userId, address) {
+             if (!userId) {
+                  console.error("Cannot save TON address: Telegram User ID is missing.");
+                  return;
+             }
+             try {
+                 const response = await fetch('/save_ton_address', {
+                     method: 'POST',
+                     headers: { 'Content-Type': 'application/json' },
+                     body: JSON.stringify({ tg_user_id: userId, ton_address: address }),
+                 });
+                 const data = await response.json();
+                 if (response.ok && data.status === 'ok') {
+                     console.log('TON address saved successfully.');
+                 } else {
+                     console.error('Failed to save TON address:', data.message);
+                 }
+             } catch (error) {
+                 console.error('Error saving TON address:', error);
+             }
+        }
+
+
+        async function fetchTonBalance(userId, address) {
+            const balanceDisplay = document.getElementById('wallet-balance-display').querySelector('.balance');
+            const fetchBalanceBtn = document.getElementById('fetch-balance-btn');
+            if (!userId || !address) {
+                balanceDisplay.textContent = 'Ошибка (нет данных)';
+                 fetchBalanceBtn.disabled = true;
+                return;
+            }
+
+            balanceDisplay.textContent = 'Загрузка...';
+            fetchBalanceBtn.disabled = true; // Disable button during fetch
+
+            try {
+                const response = await fetch('/get_ton_balance', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ tg_user_id: userId }),
+                });
+                const data = await response.json();
+
+                if (response.ok && data.status === 'ok') {
+                     const balance = parseFloat(data.balance).toFixed(4); // Format balance
+                    balanceDisplay.textContent = `${balance} TON`;
+                    balanceDisplay.style.color = 'var(--accent-gradient-start, #34c759)';
+                } else {
+                    balanceDisplay.textContent = data.message || 'Ошибка загрузки';
+                     balanceDisplay.style.color = 'var(--admin-danger, #dc3545)'; // Use error color
+                    console.error('Failed to fetch balance:', data.message);
+                }
+            } catch (error) {
+                balanceDisplay.textContent = 'Сетевая ошибка';
+                 balanceDisplay.style.color = 'var(--admin-danger, #dc3545)';
+                console.error('Error fetching balance:', error);
+            } finally {
+                fetchBalanceBtn.disabled = false; // Re-enable button
+            }
+        }
+
+        // Add event listener for the fetch balance button
+        document.getElementById('fetch-balance-btn').addEventListener('click', () => {
+             if (telegramUserId && tonConnectUI && tonConnectUI.wallet && tonConnectUI.wallet.account) {
+                 fetchTonBalance(telegramUserId, tonConnectUI.wallet.account.address);
              } else {
-                  console.error("TON button not found!");
+                 console.warn("Cannot fetch balance: Wallet not connected or user ID missing.");
              }
+        });
 
+        // Add event listener for the disconnect button
+         document.getElementById('disconnect-wallet-btn').addEventListener('click', () => {
+             if (tonConnectUI) {
+                 tonConnectUI.disconnect();
+             }
+         });
 
-             document.body.style.visibility = 'visible';
-         }
 
         if (window.Telegram && window.Telegram.WebApp) {
             setupTelegram();
@@ -864,7 +1074,7 @@ ADMIN_TEMPLATE = """
             width: 80px; height: 80px;
             border-radius: 50%; margin-bottom: 1rem;
             object-fit: cover; border: 3px solid var(--admin-border);
-            background-color: #eee;
+            background-color: #eee; /* Placeholder bg */
         }
         .user-card .name { font-weight: 600; font-size: 1.2em; margin-bottom: 0.3rem; color: var(--admin-primary); }
         .user-card .username { color: var(--admin-secondary); margin-bottom: 0.8rem; font-size: 0.95em; }
@@ -893,6 +1103,7 @@ ADMIN_TEMPLATE = """
         }
          .refresh-btn:hover { background-color: #0b5ed7; }
 
+        /* Admin Controls */
         .admin-controls {
             background: var(--admin-card-bg);
             padding: var(--padding);
@@ -922,7 +1133,7 @@ ADMIN_TEMPLATE = """
          .admin-controls .loader {
              border: 4px solid #f3f3f3; border-radius: 50%; border-top: 4px solid var(--admin-primary);
              width: 20px; height: 20px; animation: spin 1s linear infinite; display: inline-block; margin-left: 10px; vertical-align: middle;
-             display: none;
+             display: none; /* Hidden by default */
          }
          @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
     </style>
@@ -951,13 +1162,14 @@ ADMIN_TEMPLATE = """
                         {% if user.username %}
                             <div class="username"><a href="https://t.me/{{ user.username }}" target="_blank" style="color: inherit; text-decoration: none;">@{{ user.username }}</a></div>
                         {% else %}
-                             <div class="username" style="height: 1.3em;"></div>
+                             <div class="username" style="height: 1.3em;"></div> {# Placeholder for spacing #}
                         {% endif %}
                         <div class="details">
                            <div class="detail-item"><strong>ID:</strong> {{ user.id }}</div>
                            <div class="detail-item"><strong>Язык:</strong> {{ user.language_code or 'N/A' }}</div>
                            <div class="detail-item"><strong>Premium:</strong> {{ 'Да' if user.is_premium else 'Нет' }}</div>
                            <div class="detail-item"><strong>Телефон:</strong> {{ user.phone_number or 'Недоступен' }}</div>
+                            <div class="detail-item"><strong>TON:</strong> {{ user.ton_wallet_address or 'Не подключен' }}</div>
                         </div>
                          <div class="timestamp">Визит: {{ user.visited_at_str }}</div>
                     </div>
@@ -983,7 +1195,7 @@ ADMIN_TEMPLATE = """
                     statusMessage.textContent = data.message;
                     statusMessage.style.color = 'var(--admin-success)';
                     if (action === 'скачивание') {
-                        setTimeout(() => location.reload(), 1500);
+                        setTimeout(() => location.reload(), 1500); // Reload after download success
                     }
                 } else {
                     throw new Error(data.message || 'Произошла ошибка');
@@ -1009,6 +1221,15 @@ ADMIN_TEMPLATE = """
 </html>
 """
 
+TON_MANIFEST_TEMPLATE = """
+{
+    "url": "{{ app_url }}",
+    "name": "Morshen Group TMA",
+    "iconUrl": "https://huggingface.co/spaces/Aleksmorshen/Telemap8/resolve/main/morshengroup.jpg"
+}
+"""
+
+# --- Flask Routes ---
 @app.route('/')
 def index():
     theme_params = {}
@@ -1020,86 +1241,132 @@ def verify_data():
         req_data = request.get_json()
         init_data_str = req_data.get('initData')
         if not init_data_str:
+            logging.warning("Missing initData in /verify request.")
             return jsonify({"status": "error", "message": "Missing initData"}), 400
 
         user_data_parsed, is_valid = verify_telegram_data(init_data_str)
 
         user_info_dict = {}
+        user_id = None
         if user_data_parsed and 'user' in user_data_parsed:
             try:
                 user_json_str = unquote(user_data_parsed['user'][0])
                 user_info_dict = json.loads(user_json_str)
+                user_id = user_info_dict.get('id')
             except Exception as e:
-                logging.error(f"Could not parse user JSON: {e}")
+                logging.error(f"Could not parse user JSON in /verify: {e}")
                 user_info_dict = {}
 
-        if is_valid:
-            user_id = user_info_dict.get('id')
-            if user_id:
-                now = time.time()
-                user_entry = {
-                    str(user_id): {
-                        'id': user_id,
-                        'first_name': user_info_dict.get('first_name'),
-                        'last_name': user_info_dict.get('last_name'),
-                        'username': user_info_dict.get('username'),
-                        'photo_url': user_info_dict.get('photo_url'),
-                        'language_code': user_info_dict.get('language_code'),
-                        'is_premium': user_info_dict.get('is_premium', False),
-                        'phone_number': user_info_dict.get('phone_number'),
-                        'visited_at': now,
-                        'visited_at_str': datetime.fromtimestamp(now).strftime('%Y-%m-%d %H:%M:%S')
-                    }
+        if is_valid and user_id:
+            str_user_id = str(user_id)
+            now = time.time()
+            current_data = load_visitor_data()
+
+            # Preserve existing TON address if user already exists
+            existing_user_data = current_data.get(str_user_id, {})
+            ton_wallet_address = existing_user_data.get('ton_wallet_address')
+
+            user_entry = {
+                str_user_id: {
+                    'id': user_id,
+                    'first_name': user_info_dict.get('first_name'),
+                    'last_name': user_info_dict.get('last_name'),
+                    'username': user_info_dict.get('username'),
+                    'photo_url': user_info_dict.get('photo_url'),
+                    'language_code': user_info_dict.get('language_code'),
+                    'is_premium': user_info_dict.get('is_premium', False),
+                    'phone_number': user_info_dict.get('phone_number'),
+                    'visited_at': now,
+                    'visited_at_str': datetime.fromtimestamp(now).strftime('%Y-%m-%d %H:%M:%S'),
+                    'ton_wallet_address': ton_wallet_address # Keep existing or None
                 }
-                save_visitor_data(user_entry)
+            }
+            save_visitor_data(user_entry)
             return jsonify({"status": "ok", "verified": True, "user": user_info_dict}), 200
         else:
-            logging.warning(f"Verification failed for user: {user_info_dict.get('id')}")
-            return jsonify({"status": "error", "verified": False, "message": "Invalid data"}), 403
+            logging.warning(f"Verification failed for user: {user_id}. InitData Valid: {is_valid}")
+            return jsonify({"status": "error", "verified": False, "message": "Invalid data or user ID missing"}), 403
 
     except Exception as e:
         logging.exception("Error in /verify endpoint")
         return jsonify({"status": "error", "message": "Internal server error"}), 500
 
+@app.route('/save_ton_address', methods=['POST'])
+def save_ton_address():
+    try:
+        req_data = request.get_json()
+        tg_user_id = req_data.get('tg_user_id')
+        ton_address = req_data.get('ton_address')
+
+        if not tg_user_id or not ton_address:
+            return jsonify({"status": "error", "message": "Missing tg_user_id or ton_address"}), 400
+
+        str_user_id = str(tg_user_id)
+        current_data = load_visitor_data()
+
+        if str_user_id not in current_data:
+             logging.warning(f"Attempted to save TON address for unknown user ID: {tg_user_id}")
+             # Optionally create a minimal entry if user is not in cache yet
+             current_data[str_user_id] = {'id': tg_user_id, 'visited_at': time.time(), 'visited_at_str': datetime.fromtimestamp(time.time()).strftime('%Y-%m-%d %H:%M:%S')}
+
+        # Update the TON address for the specific user
+        current_data[str_user_id]['ton_wallet_address'] = ton_address
+
+        # Save the updated data
+        save_visitor_data({str_user_id: current_data[str_user_id]})
+
+        logging.info(f"TON address saved for user {tg_user_id}: {ton_address}")
+        return jsonify({"status": "ok", "message": "TON address saved successfully."}), 200
+
+    except Exception as e:
+        logging.exception("Error in /save_ton_address endpoint")
+        return jsonify({"status": "error", "message": "Internal server error"}), 500
+
+
 @app.route('/get_ton_balance', methods=['POST'])
 def get_ton_balance_route():
-    if tonapi is None:
-        return jsonify({"status": "error", "message": "TON API not initialized on server."}), 500
-
     try:
         req_data = request.get_json()
-        wallet_address = req_data.get('wallet_address')
+        tg_user_id = req_data.get('tg_user_id')
 
-        if not wallet_address:
-            return jsonify({"status": "error", "message": "Адрес кошелька не предоставлен."}), 400
+        if not tg_user_id:
+            return jsonify({"status": "error", "message": "Missing tg_user_id"}), 400
 
-        wallet_address = wallet_address.strip()
+        str_user_id = str(tg_user_id)
+        current_data = load_visitor_data()
 
-        try:
-            account_info = tonapi.account.get_info(account_id=wallet_address)
-            balance_nano = account_info.balance
-            balance_ton = balance_nano / 1e9
-            return jsonify({"status": "ok", "balance": f"{balance_ton:,.9f}"}), 200
-        except AccountNotFoundError:
-            logging.warning(f"Account not found for address: {wallet_address}")
-            return jsonify({"status": "error", "message": "TON кошелек не найден."}), 404
-        except Exception as e:
-            logging.error(f"Error fetching TON balance for {wallet_address}: {e}")
-            return jsonify({"status": "error", "message": f"Ошибка получения баланса: {str(e)}"}), 500
+        user_data = current_data.get(str_user_id)
+
+        if not user_data or 'ton_wallet_address' not in user_data or not user_data['ton_wallet_address']:
+             logging.warning(f"TON address not found for user {tg_user_id} when attempting to fetch balance.")
+             return jsonify({"status": "error", "message": "TON кошелек не привязан"}), 404
+
+        ton_address = user_data['ton_wallet_address']
+
+        balance, error_message = get_ton_balance(ton_address)
+
+        if balance is not None:
+            logging.info(f"Fetched balance for user {tg_user_id} ({ton_address}): {balance} TON")
+            return jsonify({"status": "ok", "balance": balance}), 200
+        else:
+            logging.error(f"Failed to fetch balance for user {tg_user_id} ({ton_address}): {error_message}")
+            return jsonify({"status": "error", "message": error_message or "Не удалось получить баланс"}), 500 # Use 500 for API/internal errors
 
     except Exception as e:
         logging.exception("Error in /get_ton_balance endpoint")
-        return jsonify({"status": "error", "message": "Внутренняя ошибка сервера."}), 500
+        return jsonify({"status": "error", "message": "Internal server error"}), 500
 
 
 @app.route('/admin')
 def admin_panel():
+    # WARNING: This route is unprotected! Add proper authentication/authorization.
     current_data = load_visitor_data()
     users_list = list(current_data.values())
     return render_template_string(ADMIN_TEMPLATE, users=users_list)
 
 @app.route('/admin/download_data', methods=['POST'])
 def admin_trigger_download():
+    # WARNING: Unprotected endpoint
     success = download_data_from_hf()
     if success:
          return jsonify({"status": "ok", "message": "Скачивание данных с Hugging Face завершено. Страница будет обновлена."})
@@ -1108,18 +1375,32 @@ def admin_trigger_download():
 
 @app.route('/admin/upload_data', methods=['POST'])
 def admin_trigger_upload():
+    # WARNING: Unprotected endpoint
     if not HF_TOKEN_WRITE:
         return jsonify({"status": "error", "message": "HF_TOKEN_WRITE не настроен на сервере."}), 400
     upload_data_to_hf_async()
     return jsonify({"status": "ok", "message": "Загрузка данных на Hugging Face запущена в фоновом режиме."})
 
+@app.route('/tonconnect-manifest.json')
+def tonconnect_manifest():
+    # This route serves the tonconnect manifest file required by tonconnect-ui
+    app_url = request.url_root # Gets the base URL of the app
+    return Response(
+        render_template_string(TON_MANIFEST_TEMPLATE, app_url=app_url),
+        mimetype='application/json'
+    )
+
 
+# --- App Initialization ---
 if __name__ == '__main__':
     print("---")
     print("--- MORSHEN GROUP MINI APP SERVER ---")
     print("---")
     print(f"Flask server starting on http://{HOST}:{PORT}")
-    print(f"Using Bot Token ID: {BOT_TOKEN.split(':')[0]}")
+    if BOT_TOKEN:
+        print(f"Using Bot Token ID: {BOT_TOKEN.split(':')[0]}")
+    else:
+        print("--- WARNING: BOT_TOKEN not set. Telegram data verification disabled. ---")
     print(f"Visitor data file: {DATA_FILE}")
     print(f"Hugging Face Repo: {REPO_ID}")
     print(f"HF Data Path: {HF_DATA_FILE_PATH}")
@@ -1134,12 +1415,11 @@ if __name__ == '__main__':
          download_data_from_hf()
 
     if not TON_API_KEY:
-        print("---")
-        print("--- WARNING: TON_API_KEY NOT SET ---")
-        print("--- TON balance check functionality will not work. Set TON_API_KEY environment variable.")
-        print("---")
+        print("--- WARNING: TON_API_KEY not set. TON balance fetching disabled. ---")
+        print("--- Set TON_API_KEY environment variable.")
     else:
-        print("--- TON_API_KEY found.")
+         print("--- TON_API_KEY found.")
+
 
     load_visitor_data()
 
@@ -1147,6 +1427,8 @@ if __name__ == '__main__':
     print("--- SECURITY WARNING ---")
     print("--- The /admin route and its sub-routes are NOT protected.")
     print("--- Implement proper authentication before deploying.")
+    print("--- Hardcoded default TON_API_KEY is used if environment variable is not set. This is INSECURE.")
+    print("--- Always set TON_API_KEY via environment variables in production.")
     print("---")
 
     if HF_TOKEN_WRITE: