## Summary Plugin RFC defers replacement: colliding with built-in ids is an error in v1. Orgs often want to replace a built-in with a stricter policy rule. ## Acceptance criteria - [ ] Design explicit replace/override semantics - [ ] Implement with clear warnings in doctor/scan - [ ] Tests for collision, replace, and refuse-by-default - [ ] Update plugin-api docs
Summary
Plugin RFC defers replacement: colliding with built-in ids is an error in v1. Orgs often want to replace a built-in with a stricter policy rule.
Acceptance criteria