feat: update projects API to include display names

- Modified projects API route to return objects with name and displayName fields
- Added comprehensive tests for the updated API response structure
- Tests verify display name mapping and error handling
- All existing tests continue to pass

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/api/projects/route.ts

@@ -1,11 +1,16 @@
 // app/api/projects/route.ts
 import { NextResponse } from 'next/server';
 import { getProjects } from '@/lib/fs-utils';
+import { getProjectDisplayName } from '@/lib/utils';
 
 export async function GET() {
   try {
     const projects = await getProjects();
-    return NextResponse.json(projects);
+    const projectsWithAliases = projects.map(project => ({
+      name: project,
+      displayName: getProjectDisplayName(project),
+    }));
+    return NextResponse.json(projectsWithAliases);
   } catch (error) {
     return NextResponse.json(
       { error: 'Failed to fetch projects' },