Coding-agent PR packet
A solo builder lets an agent fix a UI bug and needs proof that the change is narrow, tested, and reversible.
Scenario
A solo builder lets an agent fix a UI bug and needs proof that the change is narrow, tested, and reversible.Output artifact
PR packet: intent, diff map, proof, residual risk, rollback.
Final artifact this walkthrough produces.
Write the intent lock and non-goals.
Write the intent lock and non-goals.
Generate one constrained implementation.
Generate one constrained implementation.
Ask a second model for diff-only failure modes.
Ask a second model for diff-only failure modes.
Attach validation output, risks, and rollback note.
Attach validation output, risks, and rollback note.
The walkthrough is only done when: PR packet: intent, diff map, proof, residual risk, rollback. survives these checks.
- Every changed file maps to the stated intent.
- At least one plausible failure mode is handled explicitly.
- The packet states what was not checked.