# Tasks: Multi-Device Equalizer

## Review Workload Forecast

| Field | Value |
|-------|-------|
| Estimated changed lines | 700–950 |
| 400-line budget risk | High |
| Chained PRs recommended | Yes |
| Delivery strategy | ask-on-risk |

## Execution Summary

**Status**: ALL PHASES COMPLETE — 46/46 tasks done

### Phase 1: Foundation — Model and Service Interface
- [x] 1.1–1.6: TipoDispositivo enum, DispositivoAudio value class, abstract ServicioDispositivoAudio, FakeServicioDispositivoAudio

### Phase 2: Platform Channel — Android
- [x] 2.1–2.4: MethodChannel getActiveDevice, EventChannel stream, MainActivity integration, BT MAC stable keys

### Phase 3: Platform Channel — iOS
- [x] 3.1–3.3: AudioDevicesPlugin.swift, AppDelegate registration, toggle-disabled path

### Phase 4: EQ Service — Persistence Layer
- [x] 4.1–4.4: SP key CRUD, ConfiguracionEcualizador extension, storage budget validation

### Phase 5: State Layer — 4-Level Resolution
- [x] 5.1–5.9: Resolution hierarchy, device stream subscription, first-seen device init, toggle isolation

### Phase 6: Export/Import v3
- [x] 6.1–6.3: v3 schema with device/matrix fields, v2 backward compat, future-guard

### Phase 7: Settings UI
- [x] 7.1–7.3: _SeccionEcualizadorAvanzado widget, toggle + device list, l10n keys (6 new)

### Phase 8: Integration Verification
- [x] 8.1–8.5: 184/184 tests pass, flutter analyze clean, dart format applied

(See Engram observation #2188 for complete task breakdown with all checkboxes and detailed phase notes)