Fix telegram-archiver: graceful startup without .env + dev tools

telegram-archiver/app/main.py

@@ -22,7 +22,7 @@ from app.models import (
 from app.telethon_client import TelethonArchiver
 from app.archiver import ChannelArchiver
 from app.logger import setup_logging, get_logger
-from config import get_settings, Settings
+from config import get_settings, get_required_settings, Settings
 
 # Initialize logger
 logger = get_logger(__name__)
@@ -38,16 +38,22 @@ async def lifespan(app: FastAPI) -> AsyncGenerator[None, None]:
 
     # Startup
     logger.info("Starting Telegram Archiver...")
-    settings = get_settings()
-    setup_logging(
-        log_level=settings.log_level,
-        enable_otel=settings.otel_enabled,
-    )
-
-    archiver_client = TelethonArchiver(settings)
-    await archiver_client.connect()
-
-    logger.info("Telegram Archiver started successfully")
+    
+    try:
+        settings = get_required_settings()
+        setup_logging(
+            log_level=settings.log_level,
+            enable_otel=settings.otel_enabled,
+        )
+        
+        archiver_client = TelethonArchiver(settings)
+        await archiver_client.connect()
+        
+        logger.info("Telegram Archiver started successfully")
+    except Exception as e:
+        logger.warning(f"Could not initialize Telegram client: {e}")
+        logger.warning("Server will start but /archive endpoint will not work")
+        logger.warning("Create .env file with API_ID, API_HASH, PHONE to enable archiving")
 
     yield
 
@@ -90,13 +96,16 @@ async def archive_channel(request: ArchiveRequest) -> ArchiveResponse:
     Large files (>MAX_FILE_SIZE) are skipped and logged in 2big2get.md
     """
     if not archiver_client:
-        raise HTTPException(status_code=503, detail="Archiver not initialized")
+        raise HTTPException(
+            status_code=503,
+            detail="Archiver not initialized. Check server logs. Make sure .env file exists with API_ID, API_HASH, PHONE."
+        )
 
     try:
         logger.info(f"Archive request for channel: {request.channel}")
 
         # Get settings and override output_dir if specified
-        settings = get_settings()
+        settings = get_required_settings()
         if request.output_dir:
             settings.output_dir = Path(request.output_dir)