feat: HuggingFace Spaces deploy — port 7860, dynamic API URL

Dockerfile

@@ -21,4 +21,4 @@ COPY main.py rag.py embedder.py ingest.py index.html ./
 
 EXPOSE 8000
 
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]

index.html

@@ -651,7 +651,7 @@
 })();
 
 // ── API ────────────────────────────────────────────────────────────────────────
-const API = 'http://localhost:8000';
+const API = window.location.origin;;
 const history = [];
 
 async function checkHealth() {