## Summary
Adds scene integration phase 1: domain model, fakes, UI, navigation, and tests.
## Changes
- **domain**: Add `Scene`, `SceneAction` (SocketPower/InfraredKey), `SceneRepository`, `SceneExecutor`, and execution result models.
- **testing/fakes**: Add `FakeSceneRepository` (isolated by `ProviderProfileId`, seeded defaults for the local profile) and `FakeSceneExecutor` (sequential execution, continue-on-failure).
- **android/app**: Add scene UI module - list screen, editor screen, execution progress screen - with Hilt-bound ViewModels.
- **navigation**: Wire scene routes into `ABoxManagerApp` NavHost.
- **strings**: Add `scene_*` entries for en and zh-rCN.
- **tests**: Cover `FakeSceneRepository` CRUD/isolation and `FakeSceneExecutor` ordering/continue-on-failure.
## Test plan
- [x] `./gradlew :testing:fakes:test` passes.
- [x] `FakeSceneRepository` isolates scenes by provider profile.
- [x] `FakeSceneExecutor` runs actions in order and continues on failure.
## Notes
Phase 1 ships fakes only; real repository/executor backed by the abox gateway will land in a follow-up.
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Co-authored-by: KremeCN <3265494849@qq.com>
Co-authored-by: mxhsnd <2049295946@qq.com>
Reviewed-on: #5
Co-authored-by: tzh <3091898014@qq.com>
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