[Backend Release] v0.56.0

[deploystack-automation]

Backend Release v0.56.0

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:v0.56.0

Supported Architectures

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

Release notes:

• feat(all): make team member limits configurable per-team (1c70523c)
• feat(backend): add pagination and search to admin teams endpoints (35c79a17)
• feat(all): add MCP servers page to admin teams detail with pagination (6186e7bb)
• feat(all): add per-team remote MCP server permission - global setting (69ace9d7)
• feat(backend): add endpoint to retrieve team MCP installations with pagination for global_admin (765b4555)
• refactor(backend): separate team settings into dedicated settings group (86a25126)
• refactor(backend): remove deprecated Gateway CLI code after Satellite pivot (87a28186)
• docs(all): update project description for clarity and focus (cbbfcf6f)
• feat(backend): add pagination and search to user endpoints (dca989fc)
• feat(all): add OAuth re-authentication for MCP installations (f08e92a2)

[deploystack-automation]

Release Branch Cleanup ✅

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