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Author a long-running multi-file rewrite plan that subsequent patch-edit + diff-review + build-test stages will execute, with explicit ownership boundaries and patch-safety guarantees.
Passed 12 of 17 test cases with the skill, and 4 of 17 without it.
and 10 more in the full report
13 fixed3 passed either way4 still failing2 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 13 test cases the skill fixed. Same model, same prompt, with and without the skill.
Specify the markdown file path where the human-readable plan narrative is saved.
| Checked | Without skill | With skill |
|---|---|---|
| Outputs plan/plan.md as the file location | Missed | Passed |
The instructions your model reads when the skill loads.
Spec §20.3 / §21.3.2: scenario 4 (design → deliverable production code) requires a contract-shaped rewrite plan before the agent starts editing files. The plan is the audit trail every subsequent stage references; without it the patch path slides into "refactor everything that looks wrong" and the build breaks in unreviewable ways.
code/index.json from code-import.token-map/*.json from token-map.project-cwd/
└── plan/
├── plan.md # human-readable narrative
├── ownership.json # { file: '...', layer: 'leaf' | 'shared' | 'route' | 'shell' }
├── steps.json # ordered { id, files[], rationale, risk: 'low' | 'medium' | 'high' }[]
└── meta.json # { generatedAt, atomDigest, tokenMapDigest }
steps.json is the input patch-edit reads one entry per
iteration. ownership.json is the source of truth for "which
files belong to a single component vs. shared infrastructure";
patch-edit refuses to touch a shell-tier file unless the
matching step has risk: 'high' and the user explicitly confirmed.
The atom completes when plan.md is non-empty AND steps.json
contains at least one step.
test cases passed, vs 4 / 17 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.