fix(reboot): load runtime slo scorecard artifact

apps/api/tests/test_reboot_auto_recovery_slo_scorecard_api.py

@@ -71,6 +71,14 @@ PUBLIC_MAINTENANCE_RUNTIME_READY = {
     ],
 }
 
+_REPO_ROOT = Path(__file__).resolve().parents[3]
+_SOURCE_SCORECARD = (
+    _REPO_ROOT
+    / "docs"
+    / "operations"
+    / "awoooi-reboot-auto-recovery-slo-scorecard.snapshot.json"
+)
+
 
 def test_reboot_auto_recovery_slo_scorecard_loader_exposes_stockplatform_gate():
     payload = load_latest_reboot_auto_recovery_slo_scorecard()
@@ -155,6 +163,69 @@ def test_reboot_auto_recovery_slo_scorecard_overlays_runtime_scorecard_artifact(
     assert payload["rollups"]["runtime_scorecard_readback_present"] is True
 
 
+def test_reboot_auto_recovery_slo_scorecard_uses_latest_runtime_scorecard_from_dir(
+    tmp_path,
+):
+    runtime_dir = tmp_path / "reboot-recovery"
+    artifact_dir = runtime_dir / "reboot-auto-recovery-slo-20260703-002055"
+    artifact_dir.mkdir(parents=True)
+    runtime_scorecard = json.loads(_SOURCE_SCORECARD.read_text(encoding="utf-8"))
+    runtime_scorecard["generated_at"] = "2026-07-03T00:20:55+08:00"
+    runtime_scorecard["active_blockers"] = [
+        "all_required_hosts_not_in_10_minute_reboot_window",
+        "conversation_event_hot_path_index_migration_source_missing",
+        "host_boot_observation_older_than_target_window",
+        "host_unreachable_after_reboot",
+        "host_uptime_unknown",
+        "public_maintenance_fallback_runtime_readback_missing",
+        "reboot_event_required_host_unreachable",
+        "windows99_vmware_autostart_readback_missing",
+    ]
+    runtime_scorecard["windows99_management_channel"]["ssh_users"] = [
+        "administrator",
+        "wooo",
+    ]
+    runtime_scorecard["windows99_management_channel"]["ssh_batch_candidates"] = [
+        {
+            "user": "administrator",
+            "checked": True,
+            "ready": False,
+            "status": "permission_denied",
+        },
+        {
+            "user": "wooo",
+            "checked": True,
+            "ready": False,
+            "status": "permission_denied",
+        },
+    ]
+    (artifact_dir / "scorecard.json").write_text(
+        json.dumps(runtime_scorecard),
+        encoding="utf-8",
+    )
+
+    payload = load_latest_reboot_auto_recovery_slo_scorecard(
+        runtime_scorecard_dir=runtime_dir,
+        public_maintenance_runtime_dir=runtime_dir,
+    )
+
+    assert payload["runtime_scorecard_readback_present"] is True
+    assert payload["runtime_scorecard_generated_at"] == (
+        "2026-07-03T00:20:55+08:00"
+    )
+    assert payload["snapshot_generated_at"] == "2026-07-02T15:08:44+08:00"
+    assert payload["active_blocker_count"] == 8
+    assert payload["readback"]["runtime_scorecard_source_ref"].endswith(
+        "reboot-auto-recovery-slo-20260703-002055/scorecard.json"
+    )
+    assert (
+        payload["windows99_management_channel"]["ssh_batch_candidates"][1][
+            "user"
+        ]
+        == "wooo"
+    )
+
+
 def test_reboot_auto_recovery_slo_scorecard_endpoint_returns_readback(monkeypatch):
     monkeypatch.setattr(
         agents,