[codex] Fix Mentra Live action button event id

[PhilippeFerreiraDeSousa]

Summary

Fixes the public Mentra Live button identifier so the right action button is surfaced as buttonId: "action" instead of the stale camera-button label.

Event-name mapping

Surface	Current/corrected name	Origin / notes
ASG BLE payload	type: "button_press", buttonId: "action", `pressType: "short"	"long"`
Bluetooth SDK React Native event	button_press with ButtonPressEvent.buttonId === "action" on Mentra Live	Android and iOS Mentra Live parsers now normalize legacy incoming "camera" IDs to "action" before emitting to the public SDK bridge.
Cloud SDK stream	StreamType.BUTTON_PRESS / "button_press" with opaque buttonId; Mentra Live documented as "action"	Stream/event name remains the generic button stream; the public button identifier is corrected.
Touch / swipe inputs	touch_event gesture names such as single_tap, double_tap, forward_swipe, etc.	Unchanged; these are separate related input events from K900 touch reports.

Scope

• Updated Mentra Live ASG event emission from buttonId: "camera" to buttonId: "action".
• Added Bluetooth SDK Android/iOS normalization so older Mentra Live ASG payloads using "camera" still surface as "action" to public SDK consumers.
• Updated public docs and type comments to teach the action-button identifier.

Compatibility notes

This intentionally changes the public Mentra Live button identifier from "camera" to "action". The Bluetooth SDK parser compatibility path maps older glasses payloads from "camera" to "action", so apps using current SDK builds will see the corrected identifier even before all glasses-side clients are updated.

Validation

• git diff --check
• cd asg_client && ./gradlew :app:compileDebugJavaWithJavac

Mobile/cloud node_modules were not installed in the wrapper worktree, and the TypeScript changes are comments/docs only. The Bluetooth SDK native parser edits were statically inspected.

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