Deterministic, runs before any prose. Denominator from `git ls-files`; `census_method: git-ls-files`
(or `find` with a named exclude list when the repo has no git). `walk_scope` records the dirs
the walk could enter, the depth cap, and `parallelism`.
Installs into .claude/skills of the current project.
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# Fixture: extract-codebase-overview (abridged)
## Step 2.5 -- Source census
Deterministic, runs before any prose. Denominator from `git ls-files`; `census_method: git-ls-files`
(or `find` with a named exclude list when the repo has no git). `walk_scope` records the dirs
the walk could enter, the depth cap, and `parallelism`.
Numerator is `files_cited` -- distinct paths appearing in `[found:]` citations. Never
`files_read`: it undercounts, and it is the only number a third party can audit from the
artifact alone.
**Persist as `## Coverage` section**, placed first in the body.
## Step 15 -- check 7 (coverage sweep)
`seen < present` with no `[SAMPLED: <seen>/<present> <unit>]` on the heading -> FAIL.
`seen == present` with the marker present -> FAIL. Never halts; flags only.
