crosstyan 8597976678 feat(mcap): add copy mode for multi-camera exports ...

Add an opt-in multi-camera copy layout for zed_svo_to_mcap.

copy mode preserves each camera's original timestamps and cadence,
writes namespaced /zedN topics without /bundle, and supports
common-overlap or full-range export windows.

Update the batch wrapper, Python validator, RGBD viewer, and
documentation so copy-layout MCAP files are treated as a first-class
format rather than invalid bundled output.

Validation:
- cmake --build build --target zed_svo_to_mcap -j4
- uv run python -m py_compile scripts/zed_batch_svo_to_mcap.py scripts/mcap_bundle_validator.py scripts/mcap_rgbd_viewer.py
- build/bin/zed_svo_to_mcap --segment-dir /workspaces/data/kindergarten/bar/2026-03-18T11-59-41 --output /tmp/bar_11-59-41_copy_common.mcap --encoder-device nvidia --depth-mode neural_plus --depth-size optimal --bundle-policy copy --copy-range common
- uv run python scripts/mcap_bundle_validator.py /tmp/bar_11-59-41_copy_common.mcap
- uv run --extra viewer python scripts/mcap_rgbd_viewer.py /tmp/bar_11-59-41_copy_common.mcap --summary-only

2026-03-24 18:44:44 +08:00

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