- Add a shared runtime logger contract and dashboard runtime logger implementation for structured diagnostics
- Route dashboard CLI/runtime logs through the TUI sink and replace ad-hoc console diagnostics in server paths
- Update CLI and dashboard tests to assert structured runtime logging behavior across sync and error flows
- Document the structured logging architecture updates and include a changeset for @runfusion/fusion
- Add shared ApiError class and response helpers for consistent error shape
- Migrate routes and mission-routes handlers to use standardized API errors
- Update server error middleware, rate limiter, and node metrics error handling to use shared helpers
- Expand dashboard tests with ApiError coverage and standardized response assertions
- Add a changeset documenting the @gsxdsm/fusion patch for API error shape standardization
