- Update fetchSmartFeed() to call backend /api/smart-feed
- Update fetchUnifiedSearch() to call backend /api/unified-search
- Replace fetchPosts() with fetchSmartFeed() in usePostsEngine
- Add /api/unified-search as primary search endpoint
- Search now queries posts, profiles, and places together
- Map now shows personalized and trending posts
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>