fix(gui): fold the model catalog delivery card into one line

[lidge-jun]

Summary

The Models tab opened with a three-row card ("Saved on hub / Fetched by this client / Active in a running client") between the subtitle and the workspace. Two rows were fixed sentences, and the middle row read "not reported" on every standalone install, because catalogSyncedAt only exists for ocx connect clients (gui/src/api-targets.ts). The subtitle repeated the same caveat, so the page spent its first ~170px on one warning and pushed the model list down.

This replaces the card with a single closed <details> line under the subtitle, How changes reach Codex, that names the real steps for the current mode:

• standalone: Saved here → Codex loads it on restart
• ocx connect client: Saved on hub → Synced <time> | No sync recorded → Codex loads it on restart

Expanded, each step says what it means, how OpenCodex knows it or why it cannot, and the hint points at the page's own Reload Codex models button (which stops app-servers; the user reopens Codex). The #5031 honesty contract stays: a sync time does not prove it includes the latest hub save, and activation in a running Codex is described as unverifiable.

Also:

• models.subtitle drops the two sentences the disclosure now covers.
• The save toast (models.applied) no longer says "hub" on installs that have none.
• models.catalogState.* (8 keys) replaced by models.delivery.* (16 keys) in all ten locales.
• The disclosure renders only on the Models tab (panels stay mounted hidden, so it sits beside the subtitle rather than inside the panel).
• CSS lives in styles-models-workspace.css; styles.css is at its ratchet cap and is untouched. Models.tsx is 2785/2792.

Collapsed (ko):

Expanded (ko):

Verification

• cd gui && bun x tsc --noEmit -p tsconfig.app.json: exit 0
• cd gui && bun test tests/models-catalog-delivery.test.tsx tests/models-status-toast.test.tsx tests/codex-stale-banner.test.ts tests/i18n-locales.test.ts tests/i18n-language-switch.test.tsx: 54 pass (new test covers standalone 2 steps, client 3 steps with a time, and client with a missing or unparsable time; closed by default)
• bun test tests/ci-workflows/file-size-ratchet.test.ts tests/gui: 439 pass
• bun run lint:gui: exit 0; bun run privacy:scan: passed
• Rendered on a Vite dev server proxied to a running proxy: collapsed line is 27px tall, expanded view checked in English and Korean, Combos tab renders no disclosure.
• Not observed live: the client-mode branch (this machine is standalone); covered by the render test.
• Non-en/ko locales were translated per locale and checked for key and placeholder parity, not by native readers.

Checklist

• Scope stays focused and avoids unrelated cleanup.
• Docs or release notes were updated when needed. (docs-site wording about the three states is still accurate.)
• Security-sensitive changes were reviewed for secrets, auth, and unsafe defaults. (GUI copy and layout only.)

Summary by CodeRabbit

• New Features

  • Added a collapsible model catalog delivery guide to the Models page.
  • Shows delivery steps based on connection mode, including save, sync, and Codex loading stages.
  • Displays localized synchronization timing when available.
  • Added guidance to reload the Codex model list to see saved changes.

• Translations

  • Updated model delivery and confirmation messages across supported languages.

• Bug Fixes

  • Save confirmations no longer imply hub storage for standalone installations.

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📥 Commits

Reviewing files that changed from the base of the PR and between b7351dd and 08a696b.

⛔ Files ignored due to path filters (2)

• devlog/_plan/260923_models_catalog_delivery_disclosure/evidence/ko-collapsed.png is excluded by !**/*.png
• devlog/_plan/260923_models_catalog_delivery_disclosure/evidence/ko-expanded.png is excluded by !**/*.png

📒 Files selected for processing (18)

• devlog/_plan/260923_models_catalog_delivery_disclosure/000_plan.md
• devlog/_plan/260923_models_catalog_delivery_disclosure/010_architect.md
• devlog/_plan/260923_models_catalog_delivery_disclosure/020_done.md
• gui/src/App.tsx
• gui/src/i18n/de.ts
• gui/src/i18n/en.ts
• gui/src/i18n/fr.ts
• gui/src/i18n/ja.ts
• gui/src/i18n/ko.ts
• gui/src/i18n/ru.ts
• gui/src/i18n/tr.ts
• gui/src/i18n/vi.ts
• gui/src/i18n/zh-TW.ts
• gui/src/i18n/zh.ts
• gui/src/pages/Models.tsx
• gui/src/pages/models-catalog-state.tsx
• gui/src/styles-models-workspace.css
• gui/tests/models-catalog-delivery.test.tsx

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