- newAgent() is idempotent: selects existing agent by cwd if one exists
- Use rdwr() to get new agent ID from server instead of ls() ordering
- selectAgentForProject() returns bool for caller branching
- Connect to Kate project plugin projectChanged signal
- Update chat block parser to [[[type]]] / [[[end]]] format
- Guard pluginViewCreated for KF5 < 5.78