- Updated useUserColor hook to support multiple image formats (PNG, WebP, JPEG, GIF) for color embedding and extraction.
- Introduced unified image metadata utilities in imageMetadata.ts for detecting formats and handling color operations.
- Added GIF metadata utilities in gifMetadata.ts for reading and writing user color.
- Implemented JPEG metadata utilities in jpegMetadata.ts for embedding and extracting user color.
- Created WebP metadata utilities in webpMetadata.ts for handling user color in WebP images.
- Enhanced error handling and logging for unsupported formats and operations.
- Implemented `useUserColor` hook to manage user profile color stored in avatar PNG metadata.
- Added `useOtherUserColor` hook to fetch and cache colors from other users' avatars.
- Created utility functions for reading and writing PNG metadata, enabling color embedding and extraction.
- Refactored `SearchResultGroup`, `RoomInput`, `Message`, `RoomPinMenu`, and `Notifications` components to utilize user color for display.
- Introduced `UserColorPicker` component in settings for users to select and save their profile color.
- Enhanced notification and message rendering to prioritize custom user colors over legacy colors.
