refactor: remove the seat-based pricing feature flag

Merged
MA
2mo ago
+216-1778

Summary

The flag was on for every organization, new ones included. It could not be turned off; the API rejected it and the dashboard toggle was disabled.

Checklist

  • This PR addresses a single concern (one bug fix, one feature, one refactor)
  • The diff is reasonably sized and easy to review
  • New functionality is covered by tests
  • Linting and type checking pass (uv run task lint && uv run task lint_types)
  • No unrelated changes or drive-by fixes are included