Add custom LLM copy action

[chrarnoldus]

Summary

• add a copy action to each custom LLM row
• prompt for a new public ID and display name
• copy the full definition and encrypted credentials without exposing secrets
• reject copies that would overwrite an existing custom LLM

Testing

• local tests not run; CI will handle verification as requested
• formatting and whitespace checks passed

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Executive Summary

Reviewed the copy-dialog prefill of source public ID and display name; no new issues on the incremental change.

Files Reviewed (1 files)

• apps/web/src/app/admin/custom-llms/CustomLlmsContent.tsx

Previous Review Summary (commit 90c4154)

Current summary above is authoritative. Previous snapshots are kept for context only.

Previous review (commit 90c4154)

Status: No Issues Found | Recommendation: Merge

Executive Summary

Reviewed the custom LLM copy mutation, admin UI, hook, and tests; the copy path is admin-gated, avoids overwriting existing rows, and does not expose encrypted credentials.

Files Reviewed (4 files)

• apps/web/src/app/admin/api/custom-llms/hooks.ts
• apps/web/src/app/admin/custom-llms/CustomLlmsContent.tsx
• apps/web/src/routers/admin/custom-llm-router.test.ts
• apps/web/src/routers/admin/custom-llm-router.ts

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_{Reviewed by grok-4.6 · Input: 88.1K · Output: 4.3K · Cached: 107.3K}

_{Review guidance: REVIEW.md from base branch main}