fix(sidebar): show correct delivery status checkmarks in contact list

fix(audio): use opus-recorder for real OGG/Opus voice notes

refactor(start,stop): improve process termination logic for WhatsBot

fix(contacts): sort sidebar by last message timestamp instead of contact updated_at

chore: remove personal media files before making repo public

feat(groups,status): add group send permission check and cascade delivery status

feat(unread): smart read status for AI auto-replies and tab visibility

feat(messages): implement WhatsApp-style delivery status tracking

fix(state): clear bot phone/name on logout, reconnect and GOWA restart

fix(scripts): rename launcher scripts and fix process cleanup

feat(release): update release process to use GitHub CLI for creating releases

feat(audio): add custom audio player with speed control and fix transcription timeout

fix(audio): change audio preload attribute from 'none' to 'metadata'

fix(archive): preserve app archive status when receiving messages

feat(avatar): add WhatsApp profile photo support