feat(growth): close same-item reconciliation loop

tests/test_run_scheduler_embed_consistency.py

@@ -261,6 +261,31 @@ def test_pchome_growth_backfill_catchup_uses_runtime_receipt_cooldown(monkeypatc
     assert reason == "stale_receipt_4.5h"
 
 
+def test_pchome_growth_backfill_degraded_receipt_retries_after_one_hour(monkeypatch, tmp_path):
+    run_scheduler = _load_run_scheduler(monkeypatch)
+    stats_path = tmp_path / "scheduler_stats.json"
+    stats_path.write_text(json.dumps({
+        "pchome_growth_momo_backfill": [{
+            "status": "Degraded",
+            "last_run": "2026-07-10 09:00:00",
+            "terminal_status": "degraded_no_safe_candidate",
+        }],
+    }), encoding="utf-8")
+    monkeypatch.setenv("SCHEDULER_STATS_PATH", str(stats_path))
+
+    due, reason = run_scheduler._pchome_growth_backfill_due(
+        now=datetime(2026, 7, 10, 9, 30, 0)
+    )
+    assert due is False
+    assert reason == "cooldown_1.0h"
+
+    due, reason = run_scheduler._pchome_growth_backfill_due(
+        now=datetime(2026, 7, 10, 10, 0, 0)
+    )
+    assert due is True
+    assert reason == "stale_receipt_1.0h"
+
+
 def test_pchome_growth_backfill_catchup_executes_missing_receipt(monkeypatch, tmp_path):
     run_scheduler = _load_run_scheduler(monkeypatch)
     monkeypatch.setenv("SCHEDULER_STATS_PATH", str(tmp_path / "missing.json"))