feat: compose Q10 map content from grouped traits

[tubededentifrice]

Summary

Completes the Q10 map integration on top of #885 with a small low-level/high-level trait boundary matching the three incoming data streams.

• MapDpsTrait owns the restricted-zone and virtual-wall DPS values and exposes their decoded overlays.
• MapContentTrait retains the latest map and trace packets and calls the pure render_q10_map function whenever map, trace, or overlay data changes.
• The high-level trait exposes only caller-facing map data: the composed image, rooms, path, robot position, and heading.
• Calibration, layers, projected map data, and other rendering intermediates stay inside the renderer.
• Q10PropertiesApi wires the DPS trait into both DPS fanout and the dependent map-content trait.

This also removes the stacked path-specific CLI command, since the normal image_content is already the single composed output.

Validation

• pre-commit run --show-diff-on-failure --color=always --all-files
• pytest -q — 797 passed, 86 snapshots passed

Stack

• feat: compose Q10 maps in a pure renderer #885 — merged pure Q10 renderer
• This PR — trait ownership and integration

[tubededentifrice]

Superseded by #887. This replacement uses the identical tested three-file tree on a fresh branch from merged , avoiding both the inherited stacked commit-message failure and any force-push/history rewrite.