* Changes from fix/fetch-before-pull-fetch
* feat: Improve pull request flow, add branch selection for worktree creation, fix for automode concurrency count
* feat: Add validation for remote names and improve error handling
* Address PR comments and mobile layout fixes
* ```
refactor: Extract PR target resolution logic into dedicated service
```
* feat: Add app shell UI and improve service imports. Address PR comments
* fix: Improve security validation and cache handling in git operations
* feat: Add GET /list endpoint and improve parameter handling
* chore: Improve validation, accessibility, and error handling across apps
* chore: Format vite server port configuration
* fix: Add error handling for gh pr list command and improve offline fallbacks
* fix: Preserve existing PR creation time and improve remote handling
