Update api.py

api.py

@@ -4,6 +4,22 @@ from vectorstore import create_vectorstore
 from rag_chain import build_rag_chain
 import os
 
+import traceback
+
+app = FastAPI()
+
+@app.on_event("startup")
+def on_startup():
+    # Helpful startup log to confirm FastAPI loaded successfully
+    print("===== FASTAPI startup event fired =====")
+
+@app.get("/health")
+def health():
+    return {"status": "ok"}
+
+# existing endpoints below ...
+# keep your /load and /ask endpoints as before
+
 app = FastAPI()
 qa_chain = None