feat: update dependencies and improve dashboard functionality

- Added new dependencies for Next.js and lucide-react in pnpm-workspace.yaml.
- Refactored DashboardPage component to improve readability and error handling.
- Enhanced Header component to display error status with an alert icon.
- Updated MobileTabBar and Sidebar components to use a centralized tabs definition.
- Improved ChannelsView in dashboard-panel to handle channel fetching more cleanly.
- Fixed ActiveSpeaker type to use camelCase for userId.
- Updated MessagesPanel to handle guildId checks more gracefully.
- Adjusted API calls in dashboard and messages to align with backend expectations.
- Refined type definitions across various interfaces for consistency and clarity.

services/backend/src/modules/media/media.service.ts

@@ -66,7 +66,7 @@ function normalizeMediaState(raw: Record<string, unknown>): MediaState {
 
 type MediaReplyData = Record<string, unknown> | MediaState;
 
-function fromReply(data: MediaReplyData): MediaState {
+function _fromReply(data: MediaReplyData): MediaState {
   return normalizeMediaState(data as Record<string, unknown>);
 }