[backryun]

Summary

• Hide deprecated Antigravity Gemini-routed Claude 4.5 models from public model catalogs and UI-facing model lists.
• Keep legacy Gemini-Claude aliases resolvable by routing them to current Antigravity Claude 4.6 models.
• Replace automatic reverse alias generation with an explicit allowlist so current Claude 4.6 models are not displayed as deprecated Gemini-Claude aliases.

Validation

• npm run lint
• npm run test:unit
• npm run test:coverage
• Coverage is still >= 60% for statements, lines, functions, and branches
• SonarQube PR analysis is green or any remaining issues are explicitly documented below

Targeted validation run:

• node --import tsx/esm --test tests/unit/antigravity-model-aliases.test.ts tests/unit/models-catalog-route.test.ts tests/unit/t28-model-catalog-updates.test.ts tests/unit/t31-t33-t34-t38-model-specs.test.ts

Tests Added Or Updated

• tests/unit/antigravity-model-aliases.test.ts
• tests/unit/models-catalog-route.test.ts
• tests/unit/t28-model-catalog-updates.test.ts
• tests/unit/t31-t33-t34-t38-model-specs.test.ts

Coverage Notes

• open-sse/config/antigravityModelAliases.ts is covered by updated alias resolution tests and catalog visibility tests.
• Coverage was not re-generated locally; only targeted unit tests were run.

Reviewer Notes

• Deprecated Gemini-Claude model IDs are removed from ANTIGRAVITY_PUBLIC_MODELS only, so they no longer appear in UI-facing catalogs.
• Legacy alias support is retained, but the aliases now route to current Antigravity Claude 4.6 model IDs.
• Reverse alias generation is now explicit to prevent current upstream IDs from being displayed as deprecated client-facing IDs.

[backryun]

I’ve built it in a local environment and completed all testing and verification myself.
I’m confident this commit is truly problem-free, apologize for the pull requests that keep breaking because I’m not very familiar with Git.

[gemini-code-assist]

Code Review

This pull request updates the Antigravity model configuration by renaming public models, updating alias mappings, and refactoring the reverse alias lookup into a static object. Corresponding unit tests were updated to reflect these changes and ensure legacy IDs are correctly excluded from the catalog. Feedback suggests correcting a potential naming error for the Claude Sonnet model and adding a type annotation to the static reverse alias object to maintain TypeScript compatibility.

[diegosouzapw]

Thanks @backryun for this clean contribution! The deprecated Gemini-Claude model cleanup has been squash-merged into release/v3.7.1. The explicit reverse-alias allowlist approach is much better than the dynamic generation -- makes model visibility predictable. Will be included in the next release. 🎉