Introduce 'gm', 'player', and 'observer' roles to the journal system.
This includes:
- Restricting command usage and completions to the GM role.
- Implementing role-based message emission permissions.
- Adding a player list and role indicators in the UI.
- Persisting the user's role in localStorage.
- Updating the connection logic to include the role in the client ID.
- Move the revert functionality from the journal input to individual
message cards for better UX.
- Implement `RevealLink` component for article reveals to allow
navigation without losing URL parameters.
- Add helper functions to format article paths and slugs into
human-readable titles.
Introduce a complete set of journal components including:
- JournalPanel: main container with mobile/desktop support
- ConnectionBar: MQTT connection and session management
- StreamView and StreamMessage: message log and individual message cards
- ComposePanel: message composition with type selection
- DynamicForm: recursive form generator based on Zod schemas
hypercross