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Deep-dive codebase analysis that explains how things actually work — business rules, architecture patterns, auth flows, data models, integrations, and performance hotspots.
Passed 6 of 16 test cases with the skill, and 3 of 16 without it.
and 3 more in the full report
4 fixed4 passed either way14 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
We want to write pattern documentation for `src/router/` to `docs/patterns/router-patterns.md`. Do we need to request user directory elevation first?
| Checked | Without skill | With skill |
|---|---|---|
| Treats documentation paths under `docs/patterns/` as pre-authorized for writing. | Passed | Passed |
| Requests confirmation strictly for file content to be written. | Missed | Passed |
The instructions your model reads when the skill loads.
Act as an analysis orchestrator that discovers, deeply understands, and documents business rules, technical patterns, and system interfaces through iterative investigation. Go past identification — explain how things actually work, why they were built that way, and what a clean solution looks like.
Analysis Target: $ARGUMENTS
Discovery {
category: Business | Technical | Security | Performance | Integration | Data
finding: string
mechanism: string // HOW it works — trace the actual logic, data flow, or control flow
rationale: string // WHY it works this way — design intent, constraints, trade-offs
evidence: string // file:line references (multiple)
implications: string // what this means for the codebase
documentation: string // suggested doc content
location: string // docs/domain/ | docs/patterns/ | docs/interfaces/ | docs/research/
}
State {
target = $ARGUMENTS
perspectives = [] // determined in step 1
mode: Standard | Agent Team
discoveries: Discovery[]
}
Always:
reference/perspectives.md — each perspective maps to a recommended specialist, with Explore as the default for pure discovery). Don't spawn a generic subagent when a dedicated specialist fits better.test cases passed, vs 3 / 16 without
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