Fix duplicate /api/api path prefix in FastAPI router

app.py

@@ -869,7 +869,7 @@ async def serve_frontend():
     return {"message": "TraceScene API", "docs": "/docs"}
 
 # API Routes
-app.include_router(router, prefix="/api")
+app.include_router(router)
 
 # Serve uploads folder manually too
 @app.get("/uploads/{path:path}")