feat: add feishu question preview services

review_agent/feishu_questions/permissions.py

@@ -0,0 +1,9 @@
+from __future__ import annotations
+
+
+def can_access_batch(user, batch) -> bool:
+    if not user or not getattr(user, "is_authenticated", False):
+        return False
+    if getattr(user, "is_staff", False) or getattr(user, "is_superuser", False):
+        return True
+    return getattr(batch, "user_id", None) == user.pk