feat: add account status tab

[orangeboyChen]

Summary

• Add the Account Status tab with vertically stacked credential cards.
• Use Lobe UI for quota, check-in, model, loading, empty, and error states.
• Add SSR credential skeletons, client-side parallel loading, per-card refresh/check-in, and batch actions.
• Add responsive layout, dark theme support, quota progress, and pagination for more than 50 credentials.
• Prefer /v3/config for model discovery and fall back to the legacy endpoint only on 404/405.

Validation

• bun run lint ✅
• bun run format:check ✅
• bun run typecheck ✅
• bun run test:coverage ✅ 235 tests passed; statements 93.78%; branches 87.66%
• bun scripts/check-patch-branches.ts --base origin/main ✅ 90.74% (49/54)
• bun run build ✅ production build passed with Webpack

Notes

• The repository build script uses Webpack because Turbopack cannot bind its internal port in the current execution environment.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.73%. Comparing base (946dd71) to head (91f3988).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #93      +/-   ##
==========================================
+ Coverage   94.63%   94.73%   +0.10%     
==========================================
  Files          20       21       +1     
  Lines        4097     4178      +81     
  Branches     1182     1206      +24     
==========================================
+ Hits         3877     3958      +81     
  Misses        220      220              

Flag	Coverage Δ
unittests	94.73% <100.00%> (+0.10%)	⬆️

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[chatgpt-codex-connector]

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