fix(lab): preserve replay view and restore SLAM semantics

tests/test_m49_tgs_full_shadow.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import hashlib
 import importlib.util
 import json
 import sys
@@ -7,6 +8,7 @@ from pathlib import Path
 
 import numpy as np
 
+from k1link.laboratory.m49_tgs_full_shadow import seal_m49_tgs_full_shadow
 from k1link.web import m49_tgs_full_shadow_api as full_shadow_api
 
 REPOSITORY_ROOT = Path(__file__).resolve().parents[1]
@@ -59,6 +61,76 @@ def test_full_shadow_worker_artifact_is_deterministic_and_cpu_only(tmp_path: Pat
     assert "gpu_requested = $false" in runner_text
 
 
+def test_full_shadow_seal_binds_visual_and_semantic_timelines(tmp_path: Path) -> None:
+    source = tmp_path / "worker"
+    source.mkdir()
+    files: dict[str, dict[str, object]] = {}
+    for name in (
+        "costmap-cell-centers-xy-m.npy",
+        "costmap-cell-indices-xy.npy",
+        "costmap-states.npy",
+        "costmap-z-bounds-m.npy",
+        "frames.ndjson",
+    ):
+        payload = f"sealed:{name}\n".encode()
+        (source / name).write_bytes(payload)
+        files[name] = {
+            "bytes": len(payload),
+            "sha256": hashlib.sha256(payload).hexdigest(),
+        }
+    worker = {
+        "schema_version": "missioncore.m49-tgs-full-shadow-result/v1",
+        "status": "passed",
+        "source_pack_sha256": "a" * 64,
+        "input_manifest_sha256": "b" * 64,
+        "config_sha256": "c" * 64,
+        "timeline": {
+            "frame_count": 4489,
+            "available_lidar_frame_count": 3928,
+            "missing_lidar_frame_count": 561,
+        },
+        "point_accounting": {"unaccounted": 0},
+        "costmap": {"cell_size_m": 0.45, "radius_m": 12.0},
+        "performance": {},
+        "acceptance": {},
+        "files": files,
+    }
+    (source / "result.json").write_text(json.dumps(worker), encoding="utf-8")
+    (source / "worker-summary.json").write_text(json.dumps({
+        "schema_version": "missioncore.m49-tgs-full-shadow-worker-summary/v1",
+        "gpu_requested": False,
+        "aos_used": False,
+        "all_timeline_frames_accounted": True,
+        "all_eligible_points_accounted": True,
+        "canonical_triton_health": "healthy",
+        "canonical_triton_id": "triton",
+        "wall_seconds": 1.0,
+    }), encoding="utf-8")
+    profile = tmp_path / "profile.json"
+    profile.write_text(json.dumps({
+        "schema_version": "missioncore.m49-tgs-full-shadow-profile/v1",
+        "profile_id": "test",
+        "profile": {"history_seconds": 1.0},
+        "costmap": {"state_priority": ["NONGROUND_OCCUPIED"]},
+        "state_codes": {"UNOBSERVED": 0},
+    }), encoding="utf-8")
+    visual = "m4-threat-replay-" + "d" * 64
+    semantic = "e47-semantic-slam-" + "e" * 64
+
+    sealed = seal_m49_tgs_full_shadow(
+        source_root=source,
+        destination_root=tmp_path / "results",
+        profile_path=profile,
+        linked_visual_result_id=visual,
+        linked_semantic_result_id=semantic,
+        created_at_utc="2026-08-26T20:27:19Z",
+    )
+
+    assert sealed.report["source"]["linked_visual_result_id"] == visual
+    assert sealed.report["source"]["linked_semantic_result_id"] == semantic
+    assert sealed.manifest["identity"]["linked_semantic_result_id"] == semantic
+
+
 def test_full_shadow_chunk_contract_keeps_missing_lidar_unobserved(
     monkeypatch,
     tmp_path: Path,