- Add social_post to ApprovalType union in types.ts
- Add social_post to approvalInputSchema enum in contracts.ts
- Add POST /api/companies/:companyId/social/draft endpoint in api-server.ts
- Add social_post handling in handleApprovalResolved in automation-service.ts
- Browser action payloadJson includes scheduledAt for startup recovery (03-03 contract)
- Scheduled posts use setTimeout for deferred dispatch
- All 13 unit tests pass
- Add searchMessages method to AppDatabase with LIKE query, wildcard escaping, channel scoping, ORDER BY created_at DESC with limit
- Add searchMessages IPC channel and searchMessagesSchema to contracts.ts
- Register IPC handler in ipc-agent-coordination-handlers.ts with Zod validation
- Wire searchMessages through preload bridge
- Add 8 unit tests covering body/subject search, wildcard escaping, channel scoping, empty results, limit, and ordering
ZacharyZhang-NY