v0.109.1: Fast-mode toggle, Droid Computer improvements, Missions artifact validation, and CLI stability fixes

New features

- Fast-mode toggle - Single opt-in toggle to enable fast-mode model variants
- Droid Computer registration improvements - Smoother register/remove flow with better handling of duplicate Droid Computer names
- Missions artifact validation - Missions artifacts are now schema-validated on create, edit, and apply-patch

Improvements

- Faster Windows worker startup - Reduced worker startup latency on Windows
- Cleaner Ctrl+O transcripts - Verbose transcript bodies are now hidden for easier reading
- Quieter CLI logs - Reduced noisy log volume during normal use
- Mermaid rendering - Various improvements to Mermaid diagram rendering

Bug fixes

- Spec mode approval flow - Stabilized the approval flow in spec mode
- IDE diagnostics on disconnect - Guarded against errors when the IDE client is disconnected
- Background process cleanup - Background processes are now cleaned up when the CLI exits
- Sessions during silent tools - Sessions are kept alive during silent tool execution
- Session tool IDs - Session enabledToolIds are now treated as additive
- Secret scanner on large diffs - Improved secret scanner reliability on large diffs
- /rename persistence - /rename now persists across daemon sync and refreshes the cloud title (Factory App)
- Auto-allow-new toggle - Toggling auto-allow-new no longer clears every model (Factory App)
- Integration modal - Stabilized the Integration Management modal's height and scrolling (Factory App)
- On-demand pagination - Replaced "Load All" with proper on-demand pagination (Factory App)
- GitLab integration reliability - Fixed an out-of-memory issue in the GitLab integration (Factory App)