Improve pull request flow, add branch selection for worktree creation, fix auto-mode concurrency count (#787)

* 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

apps/ui/src/hooks/queries/use-worktrees.ts

@@ -185,6 +185,8 @@ interface BranchesResult {
   hasAnyRemotes: boolean;
   isGitRepo: boolean;
   hasCommits: boolean;
+  /** The name of the remote that the current branch is tracking (e.g. "origin"), if any */
+  trackingRemote?: string;
 }
 
 /**
@@ -242,6 +244,7 @@ export function useWorktreeBranches(worktreePath: string | undefined, includeRem
         hasAnyRemotes: result.result?.hasAnyRemotes ?? false,
         isGitRepo: true,
         hasCommits: true,
+        trackingRemote: result.result?.trackingRemote,
       };
     },
     enabled: !!worktreePath,