senke 49bb633fc6 feat(presence): P2.1 rich presence, P2.2 invisible mode ... Backend: - UserPresence: track_id, track_title, invisible - UpdatePresenceFull, GetPresenceForViewer (invisible hides for others) - PUT /users/me/presence - Migration 094 rich presence columns Frontend: - presenceService.updatePresence - usePresenceSync: sync currentTrack to presence - PresenceBadge: statusMessage tooltip - PresenceInvisibleToggle in PrivacySettings - MSW: PUT /users/me/presence		2026-02-21 16:47:09 +01:00
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web	feat(presence): P2.1 rich presence, P2.2 invisible mode	2026-02-21 16:47:09 +01:00