Add room parameter (UUID) and pn (project name) to search/messages API. Service layer supports filtering messages by room and project scope. Frontend search page updated with room-scoped search support.
- API: issue label bulk add, search messages, room WS push, openapi - Frontend: notify page, issue detail AI triage banner, search page, repository settings, preferences, PR components, file browser - Room: DiscordChannelSidebar, RoomPinPanel, RoomMessageActions, RoomThreadPanel, MessageContent, repository-context - Frontend SDK regenerated from openapi.json