added discord functionality to extension and polished some of downloader process.

backend/app/tasks/downloads.py

@@ -95,10 +95,18 @@ async def _download_source_async(source_id: int) -> dict:
             try:
                 # Get credentials
                 cred_manager = CredentialManager(session)
-                cookies_path = await cred_manager.get_cookies_path(source.platform)
+                cookies_path = None
+                auth_token = None
 
-                if not cookies_path and source.platform in ["patreon", "subscribestar"]:
-                    logger.warning(f"No credentials for {source.platform}, download may fail")
+                # Discord uses token auth, others use cookies
+                if source.platform == "discord":
+                    auth_token = await cred_manager.get_token(source.platform)
+                    if not auth_token:
+                        logger.warning(f"No token for {source.platform}, download may fail")
+                else:
+                    cookies_path = await cred_manager.get_cookies_path(source.platform)
+                    if not cookies_path and source.platform in ["patreon", "subscribestar"]:
+                        logger.warning(f"No credentials for {source.platform}, download may fail")
 
                 # Build source config from metadata
                 source_config = SourceConfig.from_dict(source.metadata_ or {})
@@ -111,6 +119,7 @@ async def _download_source_async(source_id: int) -> dict:
                     platform=source.platform,
                     source_config=source_config,
                     cookies_path=cookies_path,
+                    auth_token=auth_token,
                 )
 
                 # Update download record