Update app.py

app.py

@@ -86,31 +86,60 @@ def predict_from_json(payload):
     return predict_core(payload)
 
 # ------------------ FastAPI + Gradio ------------------
+# ------------------ FastAPI + Gradio ------------------
+from fastapi import FastAPI, Request
+from fastapi.middleware.cors import CORSMiddleware
+import gradio as gr
+
 app = FastAPI()
 app.add_middleware(
     CORSMiddleware,
     allow_origins=["*"], allow_methods=["*"], allow_headers=["*"],
 )
 
-# Plain REST endpoint for Excel/VBA (raw dict)
-@app.post("/predict")
-async def api_predict(req: Request):
+# Plain handler we’ll reuse
+async def _handle_predict(req: Request):
     body = await req.json()
+    # accept either raw dict or {"data":[{...}]}
     if isinstance(body, dict) and "data" in body and isinstance(body["data"], list) and body["data"]:
-        body = body["data"][0]  # unwrap gradio shape
-    return predict_from_json(body)
+        body = body["data"][0]
+    if not isinstance(body, dict):
+        return {"error": "Invalid payload. Send a JSON object of feature->value or {'data':[that_object]}."}
+    try:
+        return predict_from_json(body)
+    except Exception as e:
+        return {"error": f"{type(e).__name__}: {e}"}
+
+@app.post("/predict")
+async def predict_main(req: Request):
+    return await _handle_predict(req)
+
+# Be generous: also accept your older paths
+@app.post("/run/predict")
+async def predict_compat1(req: Request):
+    return await _handle_predict(req)
+
+@app.post("/gradio_api/call/predict")
+async def predict_compat2(req: Request):
+    return await _handle_predict(req)
 
-# Optional health check
 @app.get("/health")
 def health():
     return {"ok": True}
 
-# Mount UI at root
+# Mount the Gradio UI at root
 ui = gr.Interface(
     fn=predict_from_json,
     inputs=gr.JSON(label="ratios JSON (dict of feature -> value)"),
     outputs="json",
     title="Static Fingerprint Model API",
-    description="POST your 21 ratios as a JSON dict. Returns probabilities + predicted state."
+    description="POST your 21 ratios as a JSON dict. Returns probabilities + predicted state.",
 )
-app = gr.mount_gradio_app(app, ui, path="/")
+app = gr.mount_gradio_app(app, ui, path="/")
+
+# DEBUG: print available routes so we can see them in the logs
+for r in app.router.routes:
+    try:
+        print("ROUTE:", r.path)
+    except Exception:
+        pass