Add Rack Console professional theme

[bifrost0x]

Summary

• add the Rack Console theme as a new professional option across browser and server-side preference validation
• introduce a coordinated graphite and amber component language with distinct faceplates, recessed terminal framing, rack-style host rows, service-panel treatment, and segmented status surfaces without changing the workspace arrangement
• add a generated local gunmetal texture, responsive mobile treatments, persistence coverage, and a visual QA record

Validation

• 73 focused Python tests passed
• all 38 JavaScript test files passed
• ESLint passed for the changed JavaScript and browser test files
• auth i18n generation check passed
• in-app browser verification passed at 1280x720 and 390x844 with no horizontal overflow or console warnings/errors
• source and rendered implementation were compared in combined full-view and focused QA images; final design QA passed
• git diff --check passed

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-03T11:45:27.852432Z	6045dcc	PR opened

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