Add internvl dependency and disable frontend caching

app.py

@@ -89,6 +89,20 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
+
+from fastapi import Request
+
+@app.middleware("http")
+async def add_no_cache_header(request: Request, call_next):
+    """Ensure frontend assets are not cached by the browser (important for HF Spaces updates)."""
+    response = await call_next(request)
+    # Apply to all static files and the root page
+    if request.url.path.startswith("/laser") or request.url.path == "/":
+        response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
+        response.headers["Pragma"] = "no-cache"
+        response.headers["Expires"] = "0"
+    return response
+
 # Optional: serve the LaserPerception frontend from this backend.
 _LASER_DIR = Path(__file__).with_name("LaserPerception")
 if _LASER_DIR.exists():

requirements.txt

@@ -13,4 +13,4 @@ timm
 ffmpeg-python
 python-dotenv
 einops
-
+internvl