refactor(pchome): extract controlled receipt replay

tests/test_pchome_mapping_backlog_modularization.py

@@ -5,6 +5,7 @@ from services.pchome_mapping_backlog import (
     artifacts,
     contracts,
     controlled_apply_executor,
+    controlled_apply_receipt,
     controlled_apply_verifier,
     evidence,
     policies,
@@ -135,7 +136,32 @@ def test_controlled_apply_drift_verifier_core_is_no_write(tmp_path):
     assert result["safety"]["writes_artifact_count"] == 0
 
 
-def test_legacy_facade_is_smaller_after_third_p0_extraction():
+def test_controlled_apply_receipt_replay_keeps_identity_and_no_write_default(tmp_path):
+    assert (
+        compatibility_facade.build_pchome_direct_mapping_retry_candidate_exception_controlled_apply_receipt_replay_package
+        is controlled_apply_receipt.build_pchome_direct_mapping_retry_candidate_exception_controlled_apply_receipt_replay_package
+    )
+    assert (
+        compatibility_facade._find_retry_exception_artifact_file
+        is controlled_apply_receipt._find_retry_exception_artifact_file
+    )
+
+    result = controlled_apply_receipt.build_pchome_direct_mapping_retry_candidate_exception_controlled_apply_receipt_replay_package(
+        artifact_root=tmp_path,
+        run_id="missing-run",
+    )
+
+    assert result["result"] == "WAITING_FOR_RETRY_EXCEPTION_CONTROLLED_APPLY_REPLAY_ARTIFACTS"
+    assert result["summary"]["missing_artifact_count"] == 3
+    assert result["summary"]["writes_database_count"] == 0
+    assert result["materialized_executor_artifacts"] == []
+    assert result["safety"]["reads_database"] is False
+    assert result["safety"]["writes_database"] is False
+    assert result["safety"]["writes_artifact_count"] == 0
+    assert len(result["executor_receipt_artifact"]["payload_sha256"]) == 64
+
+
+def test_legacy_facade_is_smaller_after_fourth_p0_extraction():
     facade = ROOT / "services/pchome_mapping_backlog_service.py"
 
-    assert sum(1 for _ in facade.open(encoding="utf-8")) < 43_850
+    assert sum(1 for _ in facade.open(encoding="utf-8")) < 43_600