refactor: move public profiles to /u/[username]

[open-agents-bot]

Summary

Relocates public user profiles from /[username] to /u/[username] to avoid routing conflicts, and enables case-insensitive username lookups in the database layer.

Changes

Pages (apps/web/app)

• Moved public profile page from [username]/page.tsx to u/[username]/page.tsx
• Added OG metadata route at u/[username]/og/route.tsx
• Removed public profile handling from generic [username]/page.tsx

Database (apps/web/lib/db/public-usage-profile.ts)

• Added support for case-insensitive username lookups
• Refactored query logic to normalize and match usernames regardless of case
• Enhanced profile retrieval to handle username variations

Settings (apps/web/app/settings/preferences-section.tsx)

• Updated profile link reference to use new /u/[username] route

Tests (apps/web/lib/db/public-usage-profile.test.ts)

• Expanded test coverage for case-insensitive username matching
• Updated existing tests to validate refactored database implementation
• Added edge cases for mixed-case username lookups

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Project	Deployment	Actions	Updated (UTC)
open-agents	Ready	Preview	Apr 10, 2026 6:20pm