@mytec: iter3.5.1 ready for testing

backend/app/api/routes/gpu.py

@@ -33,3 +33,9 @@ async def gpu_set_device(request: SetDeviceRequest):
         return {"status": "ok", **result}
     except ValueError as e:
         raise HTTPException(status_code=400, detail=str(e))
+
+
+@router.get("/diagnostics")
+async def gpu_diagnostics():
+    """Full GPU diagnostic info for troubleshooting detection issues."""
+    return gpu_manager.get_diagnostics()