fix(lab): keep full route result indexable

tests/test_vegetation_shadow_lab.py

@@ -4,6 +4,7 @@ import hashlib
 import io
 import json
 import shutil
+import struct
 import zipfile
 from pathlib import Path
 from types import SimpleNamespace
@@ -271,9 +272,17 @@ def test_vegetation_shadow_lab_seals_autonomous_visual_evidence(
     assert mask.headers["cache-control"].endswith("immutable")
 
     full_archive_payloads = (b"\x89PNG\r\n\x1a\ncity", b"\x89PNG\r\n\x1a\nvegetation")
+    full_timeline_payload = struct.pack("<2Q", 1_000_000_000, 1_100_000_000)
     full_identity = dict(manifest["identity"])
     full_route = {
         "frame_count": 2,
+        "timeline": {
+            "path": "video/frame-source-times-ns.bin",
+            "sha256": hashlib.sha256(full_timeline_payload).hexdigest(),
+            "byte_length": len(full_timeline_payload),
+            "encoding": "uint64-le-nanoseconds",
+            "frame_count": 2,
+        },
         "layers": {
             layer: {"mask_archive": {"path": "video/full-route-masks.zip"}}
             for layer in ("city", "vegetation")
@@ -296,6 +305,8 @@ def test_vegetation_shadow_lab_seals_autonomous_visual_evidence(
     with zipfile.ZipFile(full_archive, "x", compression=zipfile.ZIP_STORED) as frozen:
         for sequence, payload in enumerate(full_archive_payloads, start=1):
             frozen.writestr(f"masks/frame-{sequence:06d}.png", payload)
+    full_timeline = full_root / "video" / "frame-source-times-ns.bin"
+    full_timeline.write_bytes(full_timeline_payload)
     full_manifest = dict(manifest)
     full_manifest["result_id"] = full_result_id
     full_manifest["identity"] = full_identity
@@ -310,6 +321,13 @@ def test_vegetation_shadow_lab_seals_autonomous_visual_evidence(
             "sha256": _sha256(full_archive),
             "media_type": "application/zip",
         },
+        {
+            "role": "full-route-frame-timeline",
+            "path": "video/frame-source-times-ns.bin",
+            "byte_length": full_timeline.stat().st_size,
+            "sha256": _sha256(full_timeline),
+            "media_type": "application/octet-stream",
+        },
     ]
     (full_root / "result.json").write_text(
         json.dumps(full_manifest, ensure_ascii=False, sort_keys=True, separators=(",", ":"))
@@ -330,6 +348,12 @@ def test_vegetation_shadow_lab_seals_autonomous_visual_evidence(
     assert client.get(
         f"/api/v1/laboratory/vegetation-shadow/{full_result_id}/route-masks/city/2"
     ).status_code == 404
+    timeline = client.get(
+        f"/api/v1/laboratory/vegetation-shadow/{full_result_id}/route-timeline"
+    )
+    assert timeline.status_code == 200
+    assert timeline.content == full_timeline_payload
+    assert timeline.headers["cache-control"].endswith("immutable")
 
     (result_root / asset_path).write_bytes(b"tampered")
     assert (