Merge branch 'main' into cursor/same-day-growth-baseline

tests/test_web_queries.py

@@ -773,6 +773,48 @@ def test_same_day_growth_baselines():
         finally:
             db.close()
 
+
+def test_system_tasks_sorted_by_started_at_desc():
+    """最近任务按 started_at 倒序；缺开始时间的排末尾（含进行中无 finished）。"""
+    import json
+
+    with tempfile.TemporaryDirectory() as tmp:
+        db, q = setup(tmp)
+        try:
+            repo = Repository(db)
+            # 故意打乱写入/键名字母序；finished_at 与 started_at 错开，避免误用完成时间
+            samples = (
+                # name, started_at, finished_at
+                ("zzz_old", FIXED_NOW - 300, FIXED_NOW - 10),   # 开始最早，完成却很晚
+                ("aaa_mid", FIXED_NOW - 100, FIXED_NOW - 90),
+                ("mmm_new", FIXED_NOW - 10, None),              # 进行中：只有 started
+                ("no_time", None, FIXED_NOW),                  # 缺 started，应末尾
+            )
+            for name, started, finished in samples:
+                payload = {
+                    "name": name,
+                    "ok": True if finished is not None else True,
+                    "error": None,
+                    "summary": {},
+                }
+                if started is not None:
+                    payload["started_at"] = started
+                if finished is not None:
+                    payload["finished_at"] = finished
+                repo.kv_set(f"task:last:{name}", json.dumps(payload))
+            for legacy in ("snapshot", "fans", "discovery"):
+                repo.kv_delete(f"task:last:{legacy}")
+            DASHBOARD_CACHE.clear()
+            system = q.system()
+            assert list(system["tasks"].keys()) == [
+                "mmm_new", "aaa_mid", "zzz_old", "no_time",
+            ]
+            overview = q.overview()
+            assert list(overview["tasks"].keys()) == list(system["tasks"].keys())
+        finally:
+            db.close()
+
+
 def main_test():
     test_overview()
     test_video_listing_filters_and_sorting()
@@ -788,6 +830,7 @@ def main_test():
     test_fans_candidates_system_and_export()
     test_system_status_uses_completed_date_and_running_flags()
     test_system_next_runs_follow_last_completion_not_wall_clock()
+    test_system_tasks_sorted_by_started_at_desc()
     test_growth_auto_falls_back_to_one_day()
     test_snapshot_recent_next_run_follows_completion()
     test_overview_adjacent_previous_with_seed_and_dual_fields()