fn_registry/dev/issues/0155-matrix-client-android-rooms-timeline.md at a2efdcf0032bbc44575fa9b24f20fbe64ddc9a81

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egutierrez daef7ea190 feat(matrix): MAS migration helpers + 2 flows + 15 issues + capability group

Helper functions (matrix-mas capability group):
- mas_client_register_bash_infra: register/sync OAuth clients via mas-cli
- mas_syn2mas_migration_bash_infra: dry-run + apply user migration to MAS
- synapse_msc3861_enable_go_infra: edit homeserver.yaml MSC3861 block (with diff)
- wellknown_oidc_patch_go_infra: patch well-known JSON with msc2965.authentication
- synapse_login_flows_check_go_infra: health-check post-migration login flows

Flows + issues for custom Matrix clients (PC + Android):
- 0010 matrix-client-pc: Wails + React+Mantine (issues 0147-0153)
- 0011 matrix-client-android: Kotlin + Compose (issues 0154-0161)
- 0162 enable MAS as auth provider (Synapse delegate) — EXECUTED on VPS
- 0163 custom admin panel propio (sustituye synapse-admin)

Production state (organic-machine.com):
- Synapse migrated SQLite -> Postgres
- MSC3861 active, password_config disabled
- 21 users + 41 access_tokens migrated via syn2mas
- 4 MAS clients registered (element, matrix_pc, matrix_android, admin_panel)
- synapse-admin container removed + Coolify route deleted
- well-known patched with org.matrix.msc2965.authentication

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-24 22:53:33 +02:00

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Objetivo

UI Compose con Scaffold que muestre sidebar drawer con rooms y panel principal con timeline. Sync via matrix-rust-sdk (corrutinas + Flow). LazyColumn virtualizado para timeline (perf con miles de mensajes). Swipe-to-react en mensajes. Optimistic UI al enviar (en issue 0156).

Tareas

ViewModels:
- RoomsViewModel(matrixClient) — expone StateFlow<List<RoomSummary>>. Ordenado por lastActivity.
- TimelineViewModel(matrixClient, roomId) — expone StateFlow<List<TimelineEvent>> + loadMore().
- Persistencia local con Room DB (androidx.room) — store rooms + last sync token.
Compose:
- MainScreen con ModalNavigationDrawer:
  - Drawer: RoomList (LazyColumn con RoomItem: avatar, name, last preview, unread badge).
  - Content: TimelineScreen(roomId).
- TimelineScreen:
  - LazyColumn con reverseLayout = true (mensajes recientes abajo).
  - key = { it.eventId } para evitar re-composiciones.
  - LaunchedEffect con LazyListState -> al llegar al top, viewModel.loadMore().
  - EventBubble composables segun tipo (text, image, file, redacted).
- Avatar composable reusable con cache de imagenes (Coil).
Sync engine:
- MatrixSyncService (corrutina supervisor scope) que mantiene client.syncStream().
- Si pasa a background sin call activa, sync se pausa hasta que vuelve foreground (lifecycle-aware).
- Errores de red: backoff exponencial (1s, 2s, 4s ... 60s max).
Tests:
- Instrumented RoomsListTest — 3 rooms aparecen en drawer.
- Instrumented TimelinePaginationTest — scroll-up carga 50 msgs anteriores.

Funciones del registry a crear

matrix_room_summary_kotlin_infra — extract RoomSummary de matrix-rust-sdk.
matrix_timeline_kotlin_infra — Flow de eventos paginados.
RoomListScreen_kotlin_ui — Compose drawer rooms.
TimelineScreen_kotlin_ui — Compose timeline virtualizado.
EventBubble_kotlin_ui — composable burbuja msg.

Acceptance

Drawer lista rooms del usuario test.
Click en room muestra timeline ultimos 50 msgs.
Swipe arriba carga msgs anteriores sin gap.
Msg enviado desde PC (Wails) aparece en Android en <2s.
Avion mode + restore: sync resume, no msgs perdidos.
Cerrar app + reopen: state restaurado desde Room DB, no full re-sync.

Notas

matrix-rust-sdk ya gestiona persistencia interna (SQLite + crypto store). Room DB local solo para datos UI-rapidos (room summaries, unread counters).
Read receipts: TBD otro issue.
DMs detectados via m.direct account data.
Spaces: RoomItem con icono diferente, colapsable.

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