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

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

docs/work/frontend-conformance-v1/01-frontend-rules/_story.md

@@ -3,7 +3,7 @@ id: 01-frontend-rules
 epic: frontend-conformance-v1
 title: Three structural frontend conformance ESLint rules
 type: technical-story
-status: in-progress
+status: done
 feature: core-eslint
 depends-on: []
 blocks: []
@@ -34,9 +34,9 @@ no components exist in the repo today.
   heuristics)
 
 ## Tasks
-- [ ] Epic + story scaffold
-- [ ] `component-must-have-story` rule + tests
-- [ ] `component-must-have-test` rule + tests
-- [ ] `atomic-tier-import-direction` rule + tests
-- [ ] Plugin update + base.js wiring
-- [ ] Final verification + closeout
+- [x] Epic + story scaffold
+- [x] `component-must-have-story` rule + tests
+- [x] `component-must-have-test` rule + tests
+- [x] `atomic-tier-import-direction` rule + tests
+- [x] Plugin update + base.js wiring
+- [x] Final verification + closeout