[tannerlinsley]

Summary

OpenAI retires the original GPT-5 and o3 models on December 11, 2026.

• Hide the exact retiring IDs from new TanChat picker choices, including their OpenRouter and Vercel gateway IDs.
• Keep existing configured and per-conversation selections valid, with the retirement date in their labels. The catalog and run resolver retain compatibility; saved models are not silently switched.
• Enable documented reasoning efforts and image/PDF support for GPT-5.6 Sol, Terra, and Luna. Gateway attachment limits stay unchanged.
• Add regression coverage for the picker, saved selections that differ from provider defaults, exact model matching, custom endpoints, and replacement capabilities.

The builder already uses GPT-5.6 defaults. Pro replacements require reasoning.mode: pro; this change does not automatically convert saved Pro selections into standard runs.

Verification

• pnpm test: passed after rerunning outside the sandbox to allow tsx's local IPC socket.
  • All five TypeScript projects passed.
  • Lint: 0 errors, 108 warnings in existing code.
  • Unit: 728 passed, 6 skipped.
  • Chat: 2,294 passed, 6 skipped.
  • Desktop: 20 passed, 1 skipped.
• Focused model, attachment, and picker tests: 68 passed.
• Changed-file formatting and git diff --check: passed.
• No live paid API calls or production database tests.

Capability references: Sol, Terra, Luna, and PDF input handling.

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Latest commit: af01f75

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	tanstack-com	af01f75	Commit Preview URL Branch Preview URL	Nov 11 2026, 02:38 AM