Go backend:
- Add sensitive data redaction in log buffer (tokens, keys, passwords)
- Validate extension auth URLs (HTTPS only, no private IPs, no embedded creds)
- Block embedded credentials in extension HTTP requests
- Tighten extension storage file permissions (0644 -> 0600)
- Sanitize extension ID in store download path
- Summarize auth URLs in logs to prevent token leakage
Android (Kotlin):
- Add sanitizeRelativeDir to prevent path traversal in SAF operations
- Apply sanitizeFilename to all user-provided file names in SAF
Flutter:
- Add sensitive data redaction in Dart logger (mirrors Go patterns)
- Mask device ID in log exports
- Add in-flight guard to progress polling (download queue + local library)
- Remove redundant _downloadedSpotifyIds Set, use _bySpotifyId map
- Remove redundant _isrcSet, use _byIsrc map
- Expand DownloadQueueLookup with byItemId and itemIds
- Lazy search index building in queue tab
- Bound embedded cover cache in queue tab (max 180)
- Coalesce embedded cover refresh callbacks via postFrameCallback
- Cache album track filtering in downloaded album screen
- Cache thumbnail sizes by extension ID in home tab
- Simplify recent access aggregation (single-pass)
- Remove unused _isTyping state in home tab
- Cap pre-warm track batch size to 80
- Skip setShowingRecentAccess if value unchanged
- Use downloadQueueLookupProvider for granular queue selectors
- Move grouped album filtering before content data computation
- Remove emoji detection (checkmark/cross) from GoLog() in logbuffer.go
- Remove emojis from log messages in tidal.go, qobuz.go, amazon.go
- Add code-style.md steering rule for no emojis in code
- Update logging.md to remove emoji examples
- Fix Flutter logs not appearing in release mode by bypassing Logger package
- Add detailed logging for Deezer search API calls
- Replace music_note icon with app logo on home screen
- Remove shadow/border from logo in About and Home screens
- Align icon size (40x40) with avatar in About page for consistent layout
