feat: Telegram bot — full functionality with inline keyboards, file upload, auth

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/main.py

@@ -9,7 +9,9 @@ from app.api.protocols import router as protocols_router
 from app.api.recordings import router as recordings_router
 from app.api.settings import router as settings_router
 from app.api.templates import router as templates_router
+from app.config import settings
 from app.database import async_session
+from app.messengers.telegram.bot import api_router as telegram_router, telegram_service
 from app.models.prompt_template import PromptTemplate
 from app.prompts.defaults import DEFAULT_TEMPLATES
 
@@ -27,7 +29,11 @@ async def seed_default_templates():
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     await seed_default_templates()
+    if settings.telegram_bot_token:
+        await telegram_service.setup()
     yield
+    if settings.telegram_bot_token:
+        await telegram_service.shutdown()
 
 
 app = FastAPI(title="Meeting Protocol Service", lifespan=lifespan)
@@ -37,6 +43,7 @@ app.include_router(protocols_router)
 app.include_router(templates_router)
 app.include_router(exports_router)
 app.include_router(settings_router)
+app.include_router(telegram_router)
 
 
 @app.get("/api/health")