Set up the Linear integration for this project. Verifies a Linear personal API key against the real Linear GraphQL API, lets you pick one team, and persists that team plus its WorkflowState catalogue under `<paths.integrations>/linear/` (default `.accelerator/state/integrations/linear/`). `catalogue
Set up the Linear integration for this project. Verifies a Linear personal API key against the real Linear GraphQL API, lets you pick one team, and persists that team plus its WorkflowState catalogue under `<paths.integrations>/linear/` (default `.accelerator/state/integrations/linear/`). `catalogue.json` is team-shared and version-controlled; `viewer.json` is per-developer and gitignored. Idempot