rebuild(stage-9): deliver deterministic intelligent screening

next/backend/data/providers/ifind.py

@@ -120,9 +120,7 @@ class IfindProvider:
                 },
             )
             rows.extend(_result(payload, "mixed", "not_applicable", SnapshotState.REALTIME).rows)
-        covered = {
-            str(row.get("thscode") or "") for row in rows if row.get("thscode")
-        }
+        covered = {str(row.get("thscode") or "") for row in rows if row.get("thscode")}
         return ProviderResult(
             tuple(rows),
             ObservationMetadata(
@@ -137,6 +135,9 @@ class IfindProvider:
             ),
         )
 
+    def screener_inputs(self, trade_dates: tuple[str, ...]) -> dict[str, ProviderResult | None]:
+        raise ProviderError("iFinD尚未批准用于盘后因子批量计算")
+
     def _request(self, endpoint: str, body: dict[str, Any]) -> dict[str, Any]:
         if not self.configured:
             raise ProviderError("实时行情服务尚未配置")
@@ -183,9 +184,7 @@ class IfindProvider:
     def _auth_error(self, payload: dict[str, Any]) -> bool:
         message = str(payload.get("errmsg") or payload.get("message") or "").casefold()
         return (
-            _error_code(payload) in self.auth_error_codes
-            or "token" in message
-            or "鉴权" in message
+            _error_code(payload) in self.auth_error_codes or "token" in message or "鉴权" in message
         )
 
     def _refresh(self) -> str:
@@ -246,7 +245,9 @@ def _result(
             row = {
                 key: values[index]
                 if isinstance(values, list) and index < len(values)
-                else values if index == 0 else None
+                else values
+                if index == 0
+                else None
                 for key, values in columns.items()
             }
             if isinstance(times, list) and index < len(times):