docs: update the memory bank

memory-bank/progress.md

@@ -19,6 +19,8 @@
 - [x] Centered layout with gradient backgrounds and glass-morphism effects.
 - [x] Message count display and connection status.
 - [x] Conditional auto-scrolling for chat panels.
+- [x] Timezone-aware timestamp formatting for all messages.
+- [x] Visual selection state management (active, normal, previously-selected).
 - [ ] Add filters/search functionality.
 - [ ] Handle error states (rate limits, disconnects) gracefully in UI.
 
@@ -27,6 +29,7 @@
 - [x] Style overlay with modern design including avatars, badges, and superchat displays.
 - [x] Ensure transparent background for OBS browser source.
 - [x] Display new member announcements on overlay.
+- [x] Timezone-aware timestamp display on overlay.
 - [ ] Add entrance/exit animations for message transitions.
 - [ ] Add theme controls and customization options.
 
@@ -41,4 +44,7 @@
 - **✅ Rich Parsing**: Moderators, members, verified users, superchats, and membership gifts all detected and displayed. Currency parsing is now more robust.
 - **✅ UI Polished**: The dashboard and overlay layouts have been refined for better spacing and alignment. The overlay now matches the dashboard's aesthetic.
 - **✅ Auto-Scroll Implemented**: Chat panels now auto-scroll intelligently.
+- **✅ Timestamp Resolution Fixed**: Critical bug resolved - timestamps now display correct current time instead of 1970 epoch
+- **✅ Timezone Support**: All timestamps display in user's local timezone with browser detection and GMT+3 fallback
+- **✅ Visual Selection States**: Three-tier feedback system (active/normal/previously-selected) for better UX
 - **Next**: Add search/filter, error recovery, and polish UX details