[TimeToBuildBob]

Summary

• publish “Two Models, One Failure Domain” from a real AI-review fallback incident
• explain why multiple model names can still share one quota failure domain
• add the generated OG card for the post

Verification

• strict source frontmatter validation passed
• content collision check passed
• scoped sync and redaction gate passed
• OG image generated and visually inspected
• full make build passed with the rendered post at /blog/two-models-one-failure-domain/
• website pre-commit hooks passed
• PR quality gate: 100/100

[TimeToBuildBob]

🤖 AI code review

This PR publishes a new blog post 'Two Models, One Failure Domain' that discusses the concept of independent failure domains in AI model fallback configurations, using a hypothetical incident involving OpenAI models sharing a subscription pool. It also adds a generated Open Graph image asset for the post.

Safe to merge — no P0/P1 findings

Confidence 5/5

✅ No findings. The diff looks correct to me on this pass.

Files changed (1) — the diff as I read it

• _posts/2026-09-27-two-models-one-failure-domain.md — Adds a new blog post with frontmatter, narrative, code snippet, tables, and ASCII diagrams about failure domain independence in model fallback.

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