[Watch] 6 - Control Board lights

[KacperKozak]

What to build

Mirror Board light state and relay individual rider switch edits through existing native iOS Board actions. Preserve optimistic pending feedback and interaction haptics.

Source: docs/watchos.md and the approved watchOS parity plan. Execution: AFK, with integrated hardware validation in slice 8.

Likely files

• watch/wearos/src/main/java/app/vescape/wear/LightsScreen.kt — existing Wear OS behavior or wire-contract peer.
• watch/wearos/src/main/java/app/vescape/wear/WatchBoard.kt — existing Wear OS behavior or wire-contract peer.
• watch/wearos/src/main/java/app/vescape/wear/WatchCommand.kt — existing Wear OS behavior or wire-contract peer.
• modules/vescape-core/android/src/main/java/expo/modules/vescapecore/watch/WatchLightsRelay.kt — existing Android phone-side parity peer.
• modules/vescape-core/android/src/main/java/expo/modules/vescapecore/watch/WatchBoardPusher.kt — existing Android phone-side parity peer.
• modules/vescape-core/ios/connection/BoardSessionController.swift — existing native iOS integration or test starting point.

Implementation hints

Read current Android code, not historical alert-forwarding docs. Keep native phone truth and actions in vescape-core; do not make live wrist behavior depend on JS. Add bidirectional @parity links for equivalent contracts/logic and document verified platform differences in docs/watchos.md. New durable watch source belongs under watch/watchos/, not generated ios/. The local planning document will be included in the draft watchOS feature PR; this issue includes its relevant requirements independently.

Acceptance criteria

• LED and headlight edits target only the selected switch so a stale wrist cannot overwrite the other switch.
• Pending UI settles from phone-owned state; failures and disconnections do not show unconfirmed success.
• Use existing iOS write and trust gates with fresh-state interaction gating.
• Verify simultaneous phone/watch edits, two rapid switch edits, reconnect and rejected commands.

Blocked by

• [Watch] 2 - Adapt gauges and navigation #485
• [Watch] 3 - Mirror watch settings #486

Related

• [Watch] 1 - Set up watch app #484
• [Watch] 2 - Adapt gauges and navigation #485
• [Watch] 3 - Mirror watch settings #486
• [Watch] 4 - Mirror route navigation #487
• [Watch] 5 - Mirror weather and radar #488
• [Watch] 7 - Control Board Move #490
• [Watch] 8 - Complete diagnostics and ride validation #491
• [Watch] 9 - Prepare App Store shipping #493

[KacperKozak]

Implemented in 739ace3 on watchos.

Not verified on hardware: no Apple Watch or board available — simultaneous phone/watch edits, reconnect mid-edit, a rejected write, and the 2 s pending timeout against real echo latency are pinned by unit tests only.