Remove --reload flag (fixes scheduler restart on Space rebuild)

Dockerfile

@@ -12,5 +12,4 @@ RUN pip install --no-cache-dir -r requirements.txt || true
 COPY . .
 EXPOSE 7860
 
-# Khôi phục commit 719a835ce — 2026-07-05
-CMD ["uvicorn", "_run:app", "--host", "0.0.0.0", "--port", "7860", "--reload"]
+CMD ["uvicorn", "_run:app", "--host", "0.0.0.0", "--port", "7860"]