Description: We should add search so users can quickly find repositories, along with related discovery and filtering improvements. ----- Goals: Add repository search by name and/or description, Make search fast and easy to use from the main UI, Support basic filters or sorting if useful, Surface matching repos clearly in results, Keep the experience simple for both personal and team use ----- Notes: Start with the most common repo search use cases, Keep the initial implementation lightweight, Add tests for search behavior and result ordering where relevant