Rewrites chat.css to use centralized CSS variables from app.css instead
of maintaining its own theme definitions. Moves all theme variables
(colors, spacing, shadows, transitions) to app.css as the single source
of truth. Improves chat UI consistency, adds better connection status
indicators, and enhances responsive design.
Switch messages area to fixed positioning with centered transform for
better layout stability. Enhance scrollbar appearance with thin style,
improved colors
- Add `*.log` to `.gitignore` to exclude log files from version control.
- Change `auth_handler` to `pub` in `src/auth/mod.rs` to make the endpoint publicly accessible.
- Remove unused `bot_index` import and route; replace direct service registration with `web_server::configure_app` in `src/main.rs`.
- Refactor `src/web_server/mod.rs`:
- Remove the `bot_index` handler.
- Introduce `serve_html` helper for loading HTML pages.
- Simplify static file serving by configuring separate routes for JS and CSS assets.
- Centralize all route and static file configuration in `configure_app`.
- Clean up related imports and improve error handling for missing pages.
- Added a new "Chat" link in the desktop navigation bar with appropriate click handling and active state styling.
- Updated the layout configuration to include the Chat section, mapping it to `chat/chat.html`.
- Enables users to switch to the Chat interface directly from the main navigation.
