docs(work): close visual-regression-v1 epic

docs/work/visual-regression-v1/_epic.md

@@ -3,7 +3,7 @@ id: visual-regression-v1
 prd: null
 title: Visual regression v1 — Playwright screenshot infrastructure
 type: epic
-status: in-progress
+status: done
 features: [tooling, ci]
 created: 2026-05-13
 ---
@@ -22,6 +22,6 @@ zero ramp-up when components arrive.
 
 ## Stories
 
-- [ ] [01 — Install Playwright + config](01-playwright-install/_story.md)
-- [ ] [02 — Storybook visual test harness](02-storybook-visual-tests/_story.md)
-- [ ] [03 — CI integration](03-ci-integration/_story.md)
+- [x] [01 — Install Playwright + config](01-playwright-install/_story.md)
+- [x] [02 — Storybook visual test harness](02-storybook-visual-tests/_story.md)
+- [x] [03 — CI integration](03-ci-integration/_story.md)