Fix audit-discovered robustness and localization gaps

[bifrost0x]

Summary

• keep disconnect cleanup running through database lookup, commit, and rollback failures by falling back to the single-worker socket registry
• reject non-object JSON and malformed field types across admin, LDAP, OIDC, backup, audit-retention, and GitHub step-up mutations
• make stored language and terminal scrollback preferences safe when browser storage is blocked, stale, or malformed
• add the missing command-set translations to all six locales and validate translation references across every first-party JavaScript module
• bump affected frontend asset versions so the fixes are delivered without stale browser caches

Validation

• combined Python suite: 2333 passed, 2 skipped
• JavaScript unit suite: 36 passed
• Playwright: 102 passed across two shards
• ESLint: passed
• vendored frontend assets: 10 verified
• Docker Compose configuration: passed
• Python compilation, shell syntax, and git diff checks: passed

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-02T18:57:13.590685Z	d059ce4	PR opened

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: d059ce4934

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