retention and run history

tests/test_core.py

@@ -14,6 +14,7 @@ from guide_board.planning import (
     validate_assessment_profile,
     validate_target_profile,
 )
+from guide_board.retention import list_retained_runs
 
 
 ROOT = Path(__file__).resolve().parents[1]
@@ -78,9 +79,27 @@ class CoreArchitectureTests(unittest.TestCase):
             run_dir = Path(result["run_dir"])
             self.assertEqual(result["status"], "completed")
             self.assertTrue((run_dir / "run.json").exists())
+            self.assertTrue((run_dir / "retention-summary.json").exists())
             self.assertTrue((run_dir / "normalized" / "evidence.json").exists())
             self.assertTrue((run_dir / "reports" / "assessment-package.json").exists())
             self.assertTrue((run_dir / "reports" / "report.md").exists())
+            retention = json.loads(
+                (run_dir / "retention-summary.json").read_text(encoding="utf-8")
+            )
+            self.assertEqual(
+                result["retention_summary"],
+                str(run_dir / "retention-summary.json"),
+            )
+            self.assertEqual(retention["summary"]["status"], "completed")
+            self.assertEqual(retention["summary"]["artifact_count"], 0)
+            self.assertEqual(
+                retention["artifact_retention"]["policy"],
+                {"raw_artifact_days": 0, "summary_days": 365},
+            )
+            self.assertEqual(
+                [run["run_id"] for run in list_retained_runs(Path(temporary_directory))],
+                [result["run_id"]],
+            )
             mappings = json.loads(
                 (run_dir / "normalized" / "mappings.json").read_text(encoding="utf-8")
             )["mappings"]