v0.94.0: /limits usage panel, credit usage countdown, model selector expansion, and CLI stability fixes

New features

- /limits usage panel - New /limits command shows an interactive credit usage breakdown with bucket views
- Credits Balance countdown - Live countdown timer shows remaining Credits in real time (Factory App)
- Model selector expansion - Model selector now includes a "show more" option to browse additional models (Factory App)

Improvements

- Queued message redesign - Queued messages now display with a cleaner, user-message-style layout
- /plugins and /skills menu refresh - /plugins and /skills menus now match the updated /sessions and /model UI style
- Droid Shield placeholder detection - Droid Shield now detects additional placeholder value patterns to better protect against accidental secret exposure

Bug fixes

- Worker hang fix - Fixed a regression where blocked workers could cause the CLI to hang
- Custom model streaming - Fixed streaming errors when using custom models
- Long prompt handling - Fixed an issue where long prompts could fail when passed to subagents
- Autonomy level cycling - Fixed Ctrl+L not correctly cycling through autonomy levels
- Kitty terminal fix - Fixed additional input handling issues in Kitty terminal