The shared per-IP mutation bucket (30/min) made common dashboard actions
like Respecify fail with "Too many requests" after light activity. Raise
mutation to 600/min, api to 1000/min, sse to 60/min for the local-first
use case.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- 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
