- Add SessionConfigSchema with persistIndefinitely, maxHistoryMessages, saveInputHistory
- Implement Session.truncateHistory() method for limiting message history
- Update HandleMessage to support history truncation and input history toggle
- Add config flow through useSession and App components
- Add 19 unit tests for SessionConfigSchema
- Update CHANGELOG.md and ROADMAP.md for v0.22.2
Add DisplayConfigSchema with theme support (dark/light), stats/tool calls visibility toggles, bell notification on completion, and progress bar control. Includes theme utilities with dynamic color schemes and 46 new tests.
