chore: redesign article localization before implementation

docs/design/screens/localization-surfaces.md

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+# Localization: existing surfaces
+Board: RenewCMS Screens Localization. Frame: LocaleFrame. Data: locale-fixtures.js (single fixture source), tables in locale-spec.js. UI copy says "article", never "story". No revision numbers, IDs or HTTP status names in user-facing text.
+
+## L12 Existing surfaces
+Route: Home · Activity · Media · editor details
+API: existing; language added where it applies
+
+Single-language sites show none of this. Home counts articles, not versions.
+
+| ID | State | Trigger | Selector | Sizes | Fixture |
+|---|---|---|---|---|---|
+| loc.l12.home | Home: recent articles | Default-language title; code only when not default | LocaleFrame{s:{v:"sf",x:"home"}} | 1440, 1024, 390 | Journal |
+| loc.l12.homeFr | Home: reader of French only | Titles in French with code FR | LocaleFrame{s:{v:"sf",x:"homeFr"}} | 1440, 1024, 390 | Journal |
+| loc.l12.activity | Activity | Events name the language | LocaleFrame{s:{v:"sf",x:"activity"}} | 1440, 1024, 390 | Journal |
+| loc.l12.media | Media usage | Shared image counted once, versions listed | LocaleFrame{s:{v:"sf",x:"media"}} | 1440, 1024, 390 | Journal |
+| loc.l12.menu | Article menu labels | Publish and Delete name the language | LocaleFrame{s:{v:"sf",x:"menu"}} | 1440, 390 | Journal |
+| loc.l12.apiCopy | API URL copy | Copies the version URL with ?lang= | LocaleFrame{s:{v:"sf",x:"apiCopy"}} | 1440, 390 | Journal |
+| loc.l12.seoPreview | SEO preview | Localized address and canonical | LocaleFrame{s:{v:"sf",x:"seoPreview"}} | 1440, 390 | Journal |
+| loc.l12.siteFallback | Site text fallback | Used only when its language matches the article | LocaleFrame{s:{v:"sf",x:"siteFallback"}} | 1440, 390 | Journal |