feat(phone): Android port via Kotlin Multiplatform or Skip.tools

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Part of #82

What

Port TriNetVideo iOS app to Android.

Options

1. Skip.tools — Swift → Kotlin transpiler (experimental)
2. Kotlin Multiplatform — shared business logic + native UI
3. Native Kotlin — rewrite using CameraX + MediaCodec + DatagramChannel

Recommendation

Kotlin Multiplatform: share VideoPipeline logic, native camera/UI per platform.

Gate

TriNetVideo runs on Android phone with camera capture + UDP send.

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