* feat(macos): add native camera PTZ controls
Add physical UVC pan, tilt, and zoom through the signed Mac app, with camera.ptz.control kept behind dangerous-command approval. Verified against real Insta360 Link 2 Pro hardware.
* refactor(agents): split message tool display config
* fix(mac): harden camera PTZ contracts
* fix(ios): stop camera work when invoke is cancelled
* fix(ios): mark AVFoundation cancellation boundary
* chore(ios): refresh native i18n inventory
* fix(camera): clean up cancelled warm-up sessions
* fix(ios): make camera cancellation lifecycle-safe
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Co-authored-by: NianJiuZst <180004567+NianJiuZst@users.noreply.github.com>
Co-authored-by: Peter Steinberger <steipete@gmail.com>