fix(recovery): align host112 cold-start metric scope

apps/api/tests/test_agent99_same_run_reconcile.py

@@ -117,6 +117,17 @@ def _evidence_refs() -> dict[str, str]:
     }
 
 
+def test_cold_start_source_queries_include_host112_scope() -> None:
+    expected_scope = 'scope="110_112_120_121_188"'
+
+    assert reconcile.AGENT99_COLD_START_METRIC_SCOPE == "110_112_120_121_188"
+    for name, query in reconcile._COLD_START_QUERIES.items():
+        if name == "firing_blocking_alerts":
+            continue
+        assert expected_scope in query
+        assert 'scope="110_120_121_188"' not in query
+
+
 def test_cold_start_source_resolution_allows_warning_only_but_requires_fresh_zero(
     monkeypatch,
 ) -> None: