fix: smooth navigation between groups

[kantord]

Before

Record_select-area_20250901125436.mp4

After

Record_select-area_20250901125150.mp4

[Copilot]

Pull Request Overview

This PR refactors the navigation system to improve group navigation by implementing a proper route-based approach. The main index route now redirects to the default group, and a new dedicated group route handles group-specific content.

Key changes:

• Replace query parameter-based group navigation with proper route parameters
• Introduce dedicated /group/$groupName route for group-specific functionality
• Update components to use route parameters instead of search parameters for current group identification

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
renderer/src/routes/index.tsx	Simplified to redirect to default group route
renderer/src/routes/group.$groupName.tsx	New dedicated route for group functionality with all original logic
renderer/src/routes/tests/index.test.tsx	Removed tests (moved to group route)
renderer/src/routes/tests/index.groups.test.tsx	Updated to use new group route test setup
renderer/src/route-tree.gen.ts	Added new group route to generated route tree
renderer/src/features/mcp-servers/components/groups-manager/index.tsx	Updated to use route params instead of search params
renderer/src/features/mcp-servers/components/groups-manager/group-list.tsx	Updated navigation to use route params
renderer/src/features/mcp-servers/components/groups-manager/tests/add-group-workflow.test.tsx	Updated test router for new group route

[peppescg]

the video seems work as expected 🚀
I left a couple of comments