Merge pull request #256 from SummerCaptain/feat/recap-push-gate

feat(preferences): 复盘推送 review_push_mode 门控

backend/scripts/demo_recap_push_mode.py

@@ -0,0 +1,30 @@
+"""复盘推送触发方式 review_push_mode 最小 demo — 验证 auto/manual 白名单与默认值。
+
+运行方式(在 backend/ 目录下, 已安装依赖):
+    python -m scripts.demo_recap_push_mode
+
+隔离到临时偏好文件, 不污染真实偏好。
+"""
+from __future__ import annotations
+
+import tempfile
+from pathlib import Path
+
+from app.services import preferences
+
+
+def main() -> None:
+    prefs_path = Path(tempfile.mkdtemp()) / "preferences.json"
+    preferences._path = lambda: prefs_path  # noqa: SLF001 - demo 隔离
+    preferences._invalidate_cache()
+
+    print("== 复盘推送模式 review_push_mode ==")
+    print(f"   默认 = {preferences.get_review_push_mode()} (期望 manual)")
+    print(f"   设为 auto = {preferences.set_review_push_mode('auto')}")
+    print(f"   非法值回退 = {preferences.set_review_push_mode('bogus')} (期望 manual)")
+
+    print("\n全部通过")
+
+
+if __name__ == "__main__":
+    main()