Update server.py

server.py

@@ -12,6 +12,7 @@ from typing import List, Dict, Optional, Tuple
 
 from fastapi import FastAPI, HTTPException
 from fastapi.responses import JSONResponse
+from contextlib import asynccontextmanager
 import uvicorn
 
 try:
@@ -32,7 +33,15 @@ if not HF_TOKEN:
     print("Error: Missing HF_TOKEN in .env")
     exit(1)
 
-app = FastAPI(title="Video Processing Service")
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """Load Whisper in background, then kick off video processing."""
+    loop = asyncio.get_event_loop()
+    await loop.run_in_executor(None, _load_whisper_model)
+    asyncio.create_task(scan_and_process_videos())
+    yield
+
+app = FastAPI(title="Video Processing Service", lifespan=lifespan)
 
 # Global state
 processing_state = {
@@ -573,15 +582,6 @@ async def scan_and_process_videos():
         processing_state["current_file"] = None
 
 
-@app.on_event("startup")
-async def startup_event():
-    """Load Whisper in background, then kick off video processing."""
-    loop = asyncio.get_event_loop()
-    # Load Whisper model in thread so it doesn't block the event loop / health check
-    await loop.run_in_executor(None, _load_whisper_model)
-    # Kick off processing task (has its own startup delay inside)
-    asyncio.create_task(scan_and_process_videos())
-
 
 @app.get("/")
 async def health():