feat: 修复大粪扫描频率

tests/test_loop_q3.py

@@ -52,16 +52,17 @@ class LoopAcceptanceTests(unittest.TestCase):
         summary, report, simulator = _run_scene(sources)
         truth = sorted(s.channel for s in sources)
         self.assertTrue(summary["completed"])
-        self.assertEqual(summary["stop_reason"], "virtual_time_cap")
+        self.assertEqual(summary["stop_reason"], "all_resolved")
         self.assertEqual(sorted(summary["cleared_channels"]), truth)
         self.assertEqual(len(summary["absent_channels"]), 10)
         self.assertEqual(summary["unresolved_channels"], [])
         self.assertIsNotNone(summary["accounted_virtual_time_s"],
                              "找全证明时刻必须留档")
-        self.assertLessEqual(summary["accounted_virtual_time_s"],
-                             summary["virtual_time_s"])
-        self.assertGreater(summary["measures"], 49 * 20,
-                           "找全后应继续复扫未清除频道（扫到限时为止）")
+        # 虚拟时间即成绩口径：找全证明后立即退出，不再复扫。
+        self.assertAlmostEqual(summary["accounted_virtual_time_s"],
+                               summary["virtual_time_s"], delta=1.0)
+        self.assertLessEqual(summary["measures"], 49 * 20 + 60,
+                             "找全后不应继续复扫")
         self.assertEqual(summary["anomalies"], [], "守恒性或证书不应被打破")
         self.assertEqual(report["mismatches"], [])
         self.assertEqual(summary["virtual_recompute_mismatches"], 0)
@@ -83,11 +84,11 @@ class LoopAcceptanceTests(unittest.TestCase):
     def test_empty_field_proves_absence_everywhere(self):
         summary, report, _ = _run_scene([])
         self.assertTrue(summary["completed"])
-        self.assertEqual(summary["stop_reason"], "virtual_time_cap")
+        self.assertEqual(summary["stop_reason"], "all_resolved")
         self.assertEqual(summary["cleared_channels"], [])
         self.assertEqual(summary["absent_channels"], list(range(1, 21)))
-        self.assertGreaterEqual(summary["measures"], 49 * 20,
-                                "缺席证明要求全网格逐频道检测")
+        self.assertLessEqual(summary["measures"], 49 * 20 + 60,
+                             "缺席证明要求全网格逐频道检测，找全后即停")
         self.assertIsNotNone(summary["accounted_virtual_time_s"])
         self.assertEqual(report["mismatches"], [])
 
@@ -177,9 +178,11 @@ class PersistentSearchTests(unittest.TestCase):
         self.assertLessEqual(summary["measures"], 49 * 20 + 60)
 
     def test_persistence_resweeps_only_uncleared_channels(self):
-        """复扫只测未清除频道：已清除频道不再消耗检测。"""
+        """复扫只测未清除频道：已清除频道不再消耗检测（显式开启保险模式）。"""
+        config = replace(CONFIG, search=replace(CONFIG.search,
+                                                persistent_search=True))
         sources = random_omni_scene(seed=5, count=2)
-        summary, _, _ = _run_scene(sources)
+        summary, _, _ = _run_scene(sources, config=config)
         cleared = set(summary["cleared_channels"])
         resweep_channels = {step["channel"] for step in summary["steps"]
                             if step["index"] > 0
@@ -192,8 +195,10 @@ class PersistentSearchTests(unittest.TestCase):
 
     def test_virtual_budget_stops_before_simulator_cap(self):
         """计划层在虚拟安全余量处停下，不触发模拟器 accepted=false 兜底。"""
+        config = replace(SMALL_CAP, search=replace(SMALL_CAP.search,
+                                                   persistent_search=True))
         sources = random_omni_scene(seed=5, count=2)
-        summary, report, _ = _run_scene(sources)
+        summary, report, _ = _run_scene(sources, config=config)
         self.assertEqual(summary["stop_reason"], "virtual_time_cap")
         field = SMALL_CAP.field
         self.assertLessEqual(summary["virtual_time_s"],