refactor: Replace worktreePath param with useWorktrees flag

apps/ui/src/lib/electron.ts

@@ -524,7 +524,7 @@ export interface AutoModeAPI {
     featureId: string,
     prompt: string,
     imagePaths?: string[],
-    worktreePath?: string
+    useWorktrees?: boolean
   ) => Promise<{ success: boolean; passes?: boolean; error?: string }>;
   commitFeature: (
     projectPath: string,
@@ -2113,7 +2113,7 @@ function createMockAutoModeAPI(): AutoModeAPI {
       featureId: string,
       prompt: string,
       imagePaths?: string[],
-      worktreePath?: string
+      useWorktrees?: boolean
     ) => {
       if (mockRunningFeatures.has(featureId)) {
         return {

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

@@ -1652,14 +1652,14 @@ export class HttpApiClient implements ElectronAPI {
       featureId: string,
       prompt: string,
       imagePaths?: string[],
-      worktreePath?: string
+      useWorktrees?: boolean
     ) =>
       this.post('/api/auto-mode/follow-up-feature', {
         projectPath,
         featureId,
         prompt,
         imagePaths,
-        worktreePath,
+        useWorktrees,
       }),
     commitFeature: (projectPath: string, featureId: string, worktreePath?: string) =>
       this.post('/api/auto-mode/commit-feature', {