[Backend Release] v0.51.0

[deploystack-automation]

Backend Release v0.51.0

This PR prepares a new backend release.

When merged, this will:

1. Create a release tag
2. Build and publish a multi-architecture Docker image to Docker Hub

The Docker image will be available at:

• deploystack/backend:latest
• deploystack/backend:v0.51.0

Supported Architectures

• linux/amd64 (Intel/AMD)
• linux/arm64 (Apple Silicon, AWS Graviton)

Release notes:

• feat(frontend): add source filter to MCP server catalog feat(frontend): implement search functionality with loading state feat(frontend): enhance input group components for better UI feat(frontend): update translations for source filter feat(backend): add source field to MCP server API specifications (92afca1b)
• chore(all): exclude release commits from changelog (e990f583)
• style(frontend): reorder source filter tabs and bulk actions toolbar feat(frontend): add source filter for MCP server catalog feat(backend): add source filter for MCP server listing and queries feat(frontend): implement bulk delete functionality for MCP servers feat(backend): add bulk delete functionality for global MCP servers feat(frontend): implement server deletion functionality with confirmation dialog feat(frontend): add enable/disable functionality for MCP servers feat(backend): add 'disabled' status to MCP server management feat(backend): enhance cron job management with immediate job creation feat(backend): add support for 'disabled' status in MCP server management feat(frontend): enhance configuration schema handling in forms refactor(frontend): improve remote and package validation logic (ee743112)

[deploystack-automation]

Release Branch Cleanup ✅

Branch backend-release has been automatically deleted after PR was merged.