docs(work): close frontend-conformance-v1 epic

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/work/frontend-conformance-v1/_epic.md

@@ -3,7 +3,7 @@ id: frontend-conformance-v1
 prd: null
 title: Frontend conformance rules v1
 type: epic
-status: in-progress
+status: done
 features: [core-eslint]
 created: 2026-05-13
 ---
@@ -19,4 +19,4 @@ rules, they're advisory only. Ship them now so they activate the moment
 core-ui or feature UI components land — preventing drift from day one.
 
 ## Stories
-- [ ] [01 — Frontend ESLint rules](01-frontend-rules/_story.md)
+- [x] [01 — Frontend ESLint rules](01-frontend-rules/_story.md)