Git trailers turn a commit into a handoff contract
Use Git trailers, CI checks, and Git notes to make each commit carry a compact, reviewable handoff record.
Shinjae Kang
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6 posts
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Shinjae Kang
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The Request Boundary Is Your Compatibility Contract
Treat Laravel and Inertia request boundaries as explicit compatibility contracts: validate and normalize input, serialize durable job payloads, lock responses with fixtures, and leave a clean rollback seam.
Shinjae Kang
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Strict TypeScript Is a Migration Contract, Not a Compiler Nuisance
An exactOptionalPropertyTypes error is often an ownership decision left undocumented. Use a narrow boundary, type tests, runtime tests, an exact lockfile, and a rollback path to turn strict TypeScript into a maintainable migration.
Shinjae Kang
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A Repeatable Review Harness for AI-Generated Code After the First Merge Gate
The first merge gate catches obvious AI coding mistakes. A repeatable review harness catches the slower failures: drift, missing rollback paths, weak tests, and agent changes that look fine until production maintenance begins.
Shinjae Kang
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The Agent Edit Contract I Use Before a Coding Agent Touches a Repo
A practical contract for giving coding agents repository context, edit boundaries, verification steps, and rollback paths before they touch code.
Shinjae Kang
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Your Cron Job Is Not Healthy Until the Artifact Proves It
A production checklist for cron jobs that proves useful artifacts exist, are fresh, and can be consumed downstream after the process exits.
Shinjae Kang
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