docs: add STORE_REVIEW.md for RC STORE-01, close known-issues 9/10

- docs/STORE_REVIEW.md: RC STORE-01 mission summary — what was closed
  (category/search skeleton, cart dead email-form) vs what's still
  correctly gated behind an architecture/design decision.
- KNOWN-ISSUES.md: items 9/10 moved Open -> Fixed.
- FRONTEND-ROADMAP.md: known-open-items list deduped against the fix.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

docs/KNOWN-ISSUES.md

@@ -93,16 +93,6 @@ don't fix inline unless asked.
    token-extension decision before normalizing.
    - Found: 2026-07-23, RC-Premium-01.
 
-9. **`pages/category` and `pages/search` still use hand-rolled skeleton
-   markup instead of `app-skeleton`.** Composition-level fix (RC-Visual-02
-   territory), not touched during RC-Premium-01's visual-polish pass.
-   - Found: 2026-07-23, RC-Premium-01.
-
-10. **Cart's `.email-form` block (post-payment email/phone capture) is dead
-    CSS behind commented-out markup.** Candidate for deletion in a cleanup
-    pass; not removed during RC-Premium-01 (out of scope for a polish pass).
-    - Found: 2026-07-23, RC-Premium-01.
-
 ## Fixed
 
 1. **Full-project UX/UI + motion pass across storefront, admin dashboard,
@@ -253,6 +243,18 @@ don't fix inline unless asked.
      rendered tab order changed from the hardcoded `['en','ru','hy']` to the
      real tenant order `['ru','en','hy']` in both editors.
 
+7. **`pages/category` and `pages/search` hand-rolled skeleton markup
+   replaced with shared `app-skeleton`.** Both pages had their own
+   `.skeleton-card`/`.skeleton-image`/`.skeleton-line` shimmer CSS with
+   hardcoded hex colors, duplicating what `app-skeleton` already provides
+   and what `catalog-container`/`product-details-container` already use.
+   - Fixed: 2026-07-23, RC STORE-01 (`docs/STORE_REVIEW.md`).
+
+8. **Cart's dead `.email-form` markup and CSS removed.** Post-payment
+   email/phone-capture form was commented-out markup with a matching
+   ~90-line dead CSS block still shipping in the bundle.
+   - Fixed: 2026-07-23, RC STORE-01.
+
 ## Notes (not bugs, just flag before shipping)
 
 - `src/environments/environment.ts`: `useMockData` was temporarily flipped to