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10 commits

Author SHA1 Message Date
37cbb816e5
Feature: Bring-style emoji & category icons for items
Every shopping item now gets a visual like in Bring: a product emoji on
a softly tinted category tile.

- ItemVisuals.kt: pure client-side classifier. German dictionary
  (~180 entries) maps item names to emoji + one of 13 categories
  (produce, drinks, bakery, dairy, meat&fish, frozen, pantry, sweets,
  household, drugstore, baby, pet, other), each with an accent color.
  Longest-keyword-first matching so compounds resolve to their most
  specific entry (Wassermelone is produce, not a drink); juice
  compounds (Apfelsaft, Orangensaft, ...) are listed explicitly because
  their fruit prefix is longer than 'saft'. Unknown items fall back to
  the generic cart on neutral grey. Works fully offline, nothing leaves
  the device.
- ListDetailScreen: emoji tile in every item row, emoji in the
  autocomplete suggestions dropdown, and a live emoji preview as the
  text field's leading icon while typing.
- ItemVisualsTest: longest-match priority, case/whitespace
  insensitivity, fallbacks, category coverage.

Verified: assembleDebug + unit tests green (JDK 21).
2026-08-22 10:16:37 +02:00
cdc0c785b9
Docs: catch up to auth discovery, settings screen and sync fixes
Document the four features that landed on main in b44bc8c..85c790e:

- AGENTS.md: post-MVP section now covers server-driven auth discovery
  (GET /api/config, AUTH_PASSWORD_ENABLED 403 enforcement,
  OIDC_GENERIC_DISPLAY_NAME), the settings screen with GET/PUT /api/me,
  and the critical Android sync/data-safety fixes (pull-all-lists,
  client HLC tick per server op, no destructive migration, ProGuard
  rules). Repo structure updated (httpapi config.go/me.go, ui/settings),
  roadmap entries added, open-points list extended with test backlog for
  the new endpoints.
- API.md: new sections for GET /api/config (public) and GET/PUT /api/me;
  403 responses documented for register/login when password auth is off.
- SYNC.md: client pull loop (every tracked list, op_log pruning) and the
  client HLC discipline (tick per incoming server op) that keeps LWW
  correct across devices with skewed clocks.
- README: highlights for auth discovery/OIDC-only mode and the settings
  screen.
2026-08-22 09:45:45 +02:00
67033e561c
Tests for shared lists & docs catch-up to post-MVP state
Integration tests for the invite/join/membership feature that shipped
without any coverage:

- internal/store/liststore_test.go: CreateList adds owner as member with
  invite code, GetLists returns owned+joined but not foreign lists,
  GetList access control (owner/member yes, stranger and soft-deleted no),
  JoinByInviteCode normalization/idempotency/role-keeping, lazy invite
  code generation. Runs against TEST_DATABASE_URL, skips otherwise.
- internal/httpapi/api_test.go: full E2E over the real router — register,
  create list (code in response), invite endpoint, join (lowercase),
  cross-member op push/pull sync, stranger gets 404 on every list
  endpoint, invalid code 400, idempotent re-join, and 401 gating of all
  protected routes.
- lists.go Invite handler: store errors now map through apiError, so
  non-members get 404 instead of 400 (consistent with Get/Push/Pull).

Docs updated to the actual post-MVP state: AGENTS.md (post-MVP features,
repo structure, roadmap with open points like join rate limiting),
API.md (join/invite endpoints, invite_code fields, membership rules),
SYNC.md (shared lists section), README (local-only default, sharing,
integration test recipe).
2026-08-22 09:40:57 +02:00
a00db14cba
Phase F: NetworkMonitor, offline banner, README & architecture docs
- NetworkMonitor: ConnectivityState Flow using ConnectivityManager.NetworkCallback
- ListsScreen & ViewModel: live offline indicator banner when disconnected
- Documentation:
  - docs/ARCHITECTURE.md: system design & tech stack overview
  - docs/SYNC.md: HLC timestamping, op_log outbox & LWW projection specification
  - docs/API.md: REST API endpoint specification
  - README.md: quickstart guide for backend, docker compose & Android app
- Verification: backend & android test suites 100% green 
2026-08-05 20:14:04 +02:00
174aad535a
Android Phase D & E: Auth Screen, SyncEngine, Lists & Detail Screens
- Auth UI & Logic: AuthScreen (Login/Register), AuthViewModel, AuthRepository, SessionManager
- SyncEngine: HybridLogicalClock (client-side), SyncWorker (outbox drain + server cursor pull), SyncManager
- Repository Layer: ShoppingRepository for local-first Room mutations + op_log outbox queue
- Screens & UI: ListsScreen (list overview & creation dialog), ListDetailScreen (checked/open sectioning, autocomplete AddItemBar)
- Navigation: MainNavigation (AuthNavKey -> ListsNavKey -> ListDetailNavKey)
- Verification: ./gradlew assembleDebug & ./gradlew test green 
2026-08-05 20:12:28 +02:00
e44d645112
Android Phase D: Project foundation, Room DB, Retrofit API, Hilt
- Android CLI Setup: initialized empty-activity app (AGP 9.0, Kotlin 2.3.20)
- Version catalog: Compose BOM 2026.03.01, Material 3, Hilt 2.60.1, Room 2.7.2,
  Retrofit 2.11.0, OkHttp 4.12.0, WorkManager 2.10.2, Kotlinx Serialization
- Room Database (v1): ListEntity, ItemEntity, OpLogEntity
- Room DAOs: ListDao, ItemDao, OpLogDao with LWW upsert queries
- Network layer: MitbringslApi Retrofit interface + DTOs + AuthInterceptor
- Dependency Injection: DatabaseModule, NetworkModule, RepositoryModule, HiltAndroidApp
- Build verification: assembleDebug & test green 
2026-08-05 20:09:34 +02:00
895725b5e5
Backend Phase C: Sync-Kern + Caddy behind-proxy
Sync-Kern:
- internal/sync/hlc.go: Hybrid Logical Clock (wall_ms<<16|counter)
  Tick/Now/After, global mutex, strikt monoton + kausal korrekt
- internal/sync/hlc_test.go: Unit-Tests (monoton, kausal, keine Duplikate)

Store-Schicht:
- internal/store/opstore.go: AppendOps idempotent via UNIQUE(client_id,
  client_seq) ON CONFLICT DO NOTHING; LWW-Projektion (list_create/
  rename/delete, item_add/update/remove) in derselben Transaktion;
  PullOps mit Cursor (seq > since, 500er Pages)
- internal/store/liststore.go: CreateList / GetLists / GetList
- internal/store/itemstore.go: GetItems (nicht-gelöschte Items)
- internal/store/suggeststore.go: Search (pg_trgm + LIKE-fallback, 10)

HTTP-Handler:
- internal/httpapi/lists.go: GET/POST /api/lists, GET /api/lists/{id}
- internal/httpapi/ops.go: POST /api/lists/{id}/ops (Push),
  GET /api/lists/{id}/ops (Pull ?since=)
- internal/httpapi/suggest.go: GET /api/suggestions?q=
- internal/httpapi/api.go: alle Routen verdrahtet (RequireAuth)

Deployment:
- deploy/Caddyfile.behind-proxy: auto_https off, trusted_proxies
- deploy/Caddyfile: X-Forwarded-Proto hinzugefügt, Kommentar aktualisiert
- deploy/docker-compose.yml: CADDY_HTTP_PORT + CADDY_HTTPS_PORT
- deploy/.env.example: Caddy-Port-Variablen dokumentiert

go build ./... && go vet ./... && go test ./... 
HLC-Tests: monoton, kausal, keine Duplikate 
AGENTS.md: Phase C vollständig 
2026-08-05 19:56:05 +02:00
a5ef8cf3ba
Backend Phase B (2/2): OIDC auth + config validation
- internal/auth/oidc.go: OIDCService mit go-oidc v3
  - id_token-Verifikation via JWKS (Signatur, iss, aud, exp)
  - Provider-Caching (sync.Map, lazy init per Issuer-URL)
  - Unterstützt Google + Generic OIDC
- internal/auth/user.go: GetByOIDCSubject + CreateOIDCUser
  (find-or-create via (oidc_issuer, oidc_subject))
- internal/httpapi/auth.go: POST /auth/oidc Handler
  (id_token verifiziern → find-or-create User → issueSession)
- internal/httpapi/api.go: /auth/oidc Route verdrahtet
- internal/config/config.go: OIDC-Validierung
  (enabled → client_id + issuer Pflicht)
- go.mod/go.sum: go-oidc/v3 + oauth2 Abhängigkeiten
- AGENTS.md: Phase B vollständig als erledigt markiert

Verifiziert: E2E gegen lokalen Mock-IdP (Discovery → JWKS →
signiertes id_token → User angelegt → 2. Login gleicher User →
tampered Token → 401). Alle Fehlerpfade geprüft.

go build ./... && go vet ./... && go test ./internal/auth/... 
2026-08-05 19:45:00 +02:00
7b1c18590e
Backend Phase B (1/2): password auth + sessions
Argon2id password hashing (PHC format, self-encoded/decoded without an
external lib) with constant-time verification, UserStore (create/get by
email and id) and SessionStore (opaque crypto/rand tokens, SHA-256 hashed
in DB, create/lookup/revoke, last_seen_at bump on lookup).

HTTP layer: Register/Login/Logout handlers + RequireAuth middleware.
Login uses a dummy-hash path so unknown-email and wrong-password yield the
same timing/shape, narrowing user enumeration. Tokens accepted via Bearer
header (native clients) or session cookie (HttpOnly, SameSite=Lax).

Routes wired in api.go: POST /auth/register, /auth/login, /auth/logout.
Verified with go test, go vet and an end-to-end smoke test against a real
PostgreSQL container (register/login/logout/duplicate/short-pw/wrong-pw).

OIDC (Phase B part 2) follows next; the issueSession helper is reused.
2026-08-05 19:05:07 +02:00
2899eb205b
Backend Phase A: foundation, migrations, Docker setup
- Go backend skeleton: config (caarlos0/env), slog JSON logging,
  pgxpool store, HTTP server with graceful shutdown.
- httpapi: render helpers, Problem errors, middleware chain
  (requestID / logging / recover / CORS), /healthz and /readyz.
- Migrations: full initial schema (users, sessions, lists,
  list_members, items, op_log SOURCE OF TRUTH, item_names) +
  golang-migrate runner binary using source/iofs (embedded).
- Docker: multi-stage Dockerfile (Go 1.26 -> distroless nonroot),
  builds both server and migrate binaries.
- deploy: docker-compose (caddy + backend + migrate + postgres:16),
  Caddyfile (auto-HTTPS), .env.example, pg extensions init script.
- AGENTS.md: project context + roadmap for AI agents.

Verified: image builds, both binaries run in container (smoke test).
2026-08-05 15:14:37 +02:00