security: Remove hardcoded telegram bot tokens from tracked source files

main.py

@@ -76,7 +76,7 @@ async def lifespan(app: FastAPI):
         try:
             connector = aiohttp.TCPConnector(**kwargs)
             async with aiohttp.ClientSession(connector=connector) as sess:
-                async with sess.get("https://api.telegram.org/bot8962490919:AAFtXUpwmYe8SrtkLjvsDFTntz2El9ckPs0/getMe", timeout=5) as r:
+                async with sess.get(f"https://api.telegram.org/bot{settings.bot_token}/getMe", timeout=5) as r:
                     text = await r.text()
                     diagnostic_results.append(f"Configuration '{name}' SUCCESS: Status {r.status}, body: {text}")
         except Exception as e:

scratch/test2.py

@@ -1,5 +1,6 @@
 import asyncio
 import aiohttp
+from core.config import settings
 
 async def main():
     async with aiohttp.ClientSession() as s:
@@ -24,7 +25,7 @@ async def main():
             "`/threshold USD EUR < 0.90`"
         )
         async with s.post(
-            'https://api.telegram.org/bot8962490919:AAFtXUpwmYe8SrtkLjvsDFTntz2El9ckPs0/sendMessage', 
+            f'https://api.telegram.org/bot{settings.bot_token}/sendMessage', 
             json={
                 'chat_id': '@durov', 
                 'text': help_text, 

scratch/test3.py

@@ -1,6 +1,7 @@
 import requests
+from core.config import settings
 
-TOKEN = "8962490919:AAFtXUpwmYe8SrtkLjvsDFTntz2El9ckPs0"
+TOKEN = settings.bot_token
 CHAT_ID = "1234567"
 
 # Valid markdown

scratch/test_server.py

@@ -3,9 +3,10 @@ from fastapi import FastAPI, Request
 from aiogram import Bot, Dispatcher, types
 import uvicorn
 from bot.handlers import router as bot_router
+from core.config import settings
 
 app = FastAPI()
-bot = Bot(token="8962490919:AAFtXUpwmYe8SrtkLjvsDFTntz2El9ckPs0")
+bot = Bot(token=settings.bot_token)
 dp = Dispatcher()
 dp.include_router(bot_router)
 

test_telegram.py

@@ -1,6 +1,7 @@
 import requests
+from core.config import settings
 
-TOKEN = "8962490919:AAFtXUpwmYe8SrtkLjvsDFTntz2El9ckPs0"
+TOKEN = settings.bot_token
 CHAT_ID = "1234567"
 
 help_text = (