fix(web): mark Inkling free unavailable

[chrarnoldus]

Summary

• mark thinkingmachines/inkling:free as unavailable
• filter the model from the OpenRouter catalog and reject requests before forwarding upstream
• extend existing regression coverage

Testing

• not run locally; CI will validate the change

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Executive Summary

Incremental re-review of the new commit: it only reformats the existing it.each callback in route.test.ts (whitespace/reindentation, no behavior change); the thinkingmachines/inkling:free unavailability change remains correct and reuses the existing filter/reject path with no new defects.

Files Reviewed (3 files)

• apps/web/src/app/api/openrouter/[...path]/route.test.ts
• apps/web/src/lib/ai-gateway/unavailable-models.ts
• apps/web/src/tests/openrouter-models.test.ts

Previous Review Summary (commit 0c97736)

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

Previous review (commit 0c97736)

Status: No Issues Found | Recommendation: Merge

Executive Summary

The change adds thinkingmachines/inkling:free to the shared unavailableModelIds set, reusing the existing filtering/rejection path and extending regression coverage; no defects found.

Files Reviewed (3 files)

• apps/web/src/app/api/openrouter/[...path]/route.test.ts
• apps/web/src/lib/ai-gateway/unavailable-models.ts
• apps/web/src/tests/openrouter-models.test.ts

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_{Reviewed by deepseek-v4.1-flash · Input: 0 · Output: 0 · Cached: 0}

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