Update app.py

app.py

@@ -7,13 +7,37 @@ from dotenv import load_dotenv
 
 load_dotenv()
 
-# ---- Gradio の API スキーマ生成を無効化して 500 を回避（既知バグ対策）----
+# ---- Gradio の API スキーマ生成を安全化（既知バグ対策）----
 try:
     import gradio.blocks as _gr_blocks
-    def _no_api_info(self):
-        # API 情報は不要なので空を返す（UI には影響なし）
-        return {}
-    _gr_blocks.Blocks.get_api_info = _no_api_info
+
+    _orig_get_api_info = _gr_blocks.Blocks.get_api_info
+
+    def _sanitize_json_schema(obj):
+        # additionalProperties が True/False だと gradio_client 側で TypeError になるため {} に変換
+        if isinstance(obj, dict):
+            out = {}
+            for k, v in obj.items():
+                if k == "additionalProperties" and isinstance(v, bool):
+                    out[k] = {}
+                else:
+                    out[k] = _sanitize_json_schema(v)
+            return out
+        elif isinstance(obj, list):
+            return [_sanitize_json_schema(x) for x in obj]
+        else:
+            return obj
+
+    def _safe_get_api_info(self):
+        try:
+            info = _orig_get_api_info(self)
+            return _sanitize_json_schema(info)
+        except Exception as e:
+            print("[warn] Blocks.get_api_info failed; returning minimal schema:", e, flush=True)
+            # フロントが参照する最小限の構造だけ返す
+            return {"named_endpoints": {}, "unnamed_endpoints": []}
+
+    _gr_blocks.Blocks.get_api_info = _safe_get_api_info
 except Exception as _e:
     print("[warn] failed to patch gradio Blocks.get_api_info:", _e, flush=True)
 # -------------------------------------------------------------------------
@@ -57,7 +81,7 @@ def ui_company_score_and_proposal(company_name,
 
     urls = [u.strip() for u in (urls_text or "").splitlines() if u.strip()]
 
-    # gr.File or str のどちらでも拾えるように安全化（multiple=False も考慮）
+    # gr.File or str のどちらでも拾えるように（multiple=False の単体ケースも吸収）
     try:
         iterable = files or []
         if not isinstance(iterable, (list, tuple)):