UI: Enable frontend serving at root by removing API root route

backend/app/main.py

@@ -60,11 +60,13 @@ async def global_exception_handler(request: Request, exc: Exception):
     )
 
 
-@app.get("/", tags=["Health"])
-def root():
+
+@app.get("/api/health", tags=["Health"])
+def health():
     return {"status": "ok", "service": "FaceVision AI Emotion Logger"}
 
 
+
 @app.post("/api/logs", response_model=EmotionLogResponse, tags=["Logs"])
 def create_emotion_log(
     payload: EmotionLogCreate,