fix(lab): keep full route result indexable

src/k1link/laboratory/mixed_route_vegetation_review.py

@@ -7,6 +7,7 @@ import hashlib
 import json
 import os
 import shutil
+import struct
 import tarfile
 import tempfile
 import zipfile
@@ -705,6 +706,18 @@ def seal_mixed_route_full_video_review(
             temporary / "video" / "ddrnet-semantic-masks.zip",
             FULL_ROUTE_FRAME_COUNT,
         )
+        timeline_destination = temporary / "video" / "frame-source-times-ns.bin"
+        timeline_destination.write_bytes(
+            struct.pack(f"<{FULL_ROUTE_FRAME_COUNT}Q", *frame_times_ns)
+        )
+        timeline_descriptor = {
+            "role": "full-route-frame-timeline",
+            "path": "video/frame-source-times-ns.bin",
+            "byte_length": timeline_destination.stat().st_size,
+            "sha256": sha256_path(timeline_destination),
+            "media_type": "application/octet-stream",
+        }
+        artifacts.append(timeline_descriptor)
         proof_descriptors: dict[str, dict[str, object]] = {}
         for key, path in (
             ("base", base_root / "result.json"),
@@ -739,7 +752,13 @@ def seal_mixed_route_full_video_review(
             "height": 600,
             "timeline_start_seconds": job.timeline_start_seconds,
             "timeline_end_seconds": job.timeline_end_seconds,
-            "frame_source_times_ns": frame_times_ns,
+            "timeline": {
+                "path": timeline_descriptor["path"],
+                "sha256": timeline_descriptor["sha256"],
+                "byte_length": timeline_descriptor["byte_length"],
+                "encoding": "uint64-le-nanoseconds",
+                "frame_count": FULL_ROUTE_FRAME_COUNT,
+            },
             "ground_truth": False,
             "decode_repair": {
                 "repaired_frame_count": 1,