feat(perception): add lossless lidar replay v2

docs/10_EXTERNAL_PERCEPTION_WORKER.md

@@ -7,6 +7,13 @@ successfully is not evidence that its LiDAR assumptions are satisfied. In
 particular, the accepted E10 replay pack v1 has no intensity, and the current K1
 stream is a vendor map increment rather than an unregistered sensor sweep.
 
+`missioncore.lidar-replay-pack/v2` closes the field-retention gap without
+rewriting v1. Its manifest binds exact raw/metadata evidence, logical point/pose
+content, an immutable scanner-quality report and a source-vs-persisted
+equivalence report. The React surface reads those reports through the read-only
+`/api/v1/lidar/replay-packs` boundary; CUDA/TensorRT and ROS do not move into the
+browser.
+
 ## Boundary
 
 ```text