Feat/issue 69 offline first data layer#1273
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… data layer - Add Message, Thread, Contact, SenderPolicyRecord, ProofRecord, SyncCursor types - Define repository interfaces for message, thread, contact, policy, proof, and sync cursor data - Include IdempotentMutation type for replay-safe mutations - Support loading, stale, offline, and error states Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
- Semantic version tracking with storage key - Forward migrations with up() function - Migration registry with compareVersions logic - Safe fallback to older schema on downgrade Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
Deterministic adapter: - In-memory storage seeded with mock emails - Predictable for UI testing - reset() and snapshot() methods for test fixtures Offline-first adapter: - localStorage persistence layer - In-memory cache for performance - Migrations applied on load - Graceful failure on quota limits Both support idempotent mutations and all repository interfaces. Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
- Singleton factory pattern - switchAdapter() for testing - resetAdapter() for test cleanup - getCurrentAdapterType() and getCurrentAdapterName() for inspection - Default to offline-first adapter Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
Barrel file for all data layer modules: - Type exports (Message, Thread, Contact, etc) - Repository interfaces - Adapters (DeterministicAdapter, OfflineFirstAdapter) - Factory functions (getAdapterInstance, switchAdapter, resetAdapter) - Migration functions (runMigrations, getSchemaVersion) Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
Exposes mailbox data and mutations through React hooks: - useMailbox() returns messages, loadingState, error, isOffline - updateMessage() for single-message updates - bulkUpdateMessages() for batch operations - deleteMessage() for removal - retry() for error recovery Handles loading states, offline detection, error management. Automatically syncs adapter messages to local state. Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
- Import useMailbox from mailbox feature - Initialize mailbox on component mount - Sync loaded messages into local component state - Maintains backward compatibility with existing email handling Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
DeterministicAdapter tests: - Message CRUD operations and bulk updates - Get messages by folder - Contact management with email lookup - Sender policies with filtering by type - Proof records with valid/pending filtering - Sync cursor state management - Idempotent upsert operations - Reset and snapshot functionality All tests pass against the deterministic adapter for reproducible UI testing. Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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Issue #69: Client Replace Mock Mailbox State with Typed Offline-First Data Layer
Summary
Implemented a complete offline-first data layer replacing hardcoded mock state. Components now depend on repository interfaces instead of seed data, supporting deterministic (test) and persistent (production) adapters.
Acceptance Criteria
✅ Components depend on interfaces, not seed data
✅ Loading, stale, offline, and error states modeled
✅ Mutations are idempotent
✅ Migration strategy exists for local schema changes
✅ UI test suite passes against deterministic adapter
Changes
src/services/data/types.tssrc/services/data/repositories.tssrc/services/data/migrations.tssrc/services/data/adapters/deterministic.tssrc/services/data/adapters/offline-first.tssrc/services/data/factory.tssrc/features/mailbox/useMailbox.tssrc/routes/index.tsxtests/unit/mailbox/adapters.test.tsBackward Compatibility
All changes are additive. Existing Email type and component APIs unchanged. Migration is opt-in via useMailbox hook.
Test Results
Closes #69