Merge main into refactor/frontend

Merge latest features from main including:
- PR #161 (worktree-confusion): Clarified branch handling in dialogs
- PR #160 (speckits-rebase): Planning mode functionality

Resolved conflicts:
- add-feature-dialog.tsx: Combined TanStack Router navigation with branch selection state
- worktree-integration.spec.ts: Updated tests for new worktree behavior (created at execution time)
- package-lock.json: Regenerated after merge

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/ui/src/lib/http-api-client.ts

@@ -576,6 +576,20 @@ export class HttpApiClient implements ElectronAPI {
         featureId,
         worktreePath,
       }),
+    approvePlan: (
+      projectPath: string,
+      featureId: string,
+      approved: boolean,
+      editedPlan?: string,
+      feedback?: string
+    ) =>
+      this.post("/api/auto-mode/approve-plan", {
+        projectPath,
+        featureId,
+        approved,
+        editedPlan,
+        feedback,
+      }),
     onEvent: (callback: (event: AutoModeEvent) => void) => {
       return this.subscribeToEvent(
         "auto-mode:event",
@@ -738,7 +752,6 @@ export class HttpApiClient implements ElectronAPI {
         isAutoMode: boolean;
       }>;
       totalCount?: number;
-      autoLoopRunning?: boolean;
       error?: string;
     }> => this.get("/api/running-agents"),
   };