`checked_paths` covered hooks/hooks.json but not the hooks/ directory
holding it, so a stray file dropped inside, or an empty hooks/ left
behind once .apm/hooks/ stopped producing anything, was invisible to
--check. Check and sync agreed in both cases, so the invariant held --
but a stray in a directory the mirror owns should be drift, exactly as
it is inside skills/ or agents/. A stray at the PLUGIN root stays out
of scope by design: README.md, docs/, bin/, .mcp.json are hand-authored.
hooks/ is now wiped and rebuilt like every MIRROR_DIRS destination, and
the directory is listed in checked_paths so the recursive manifest sees
one-sided entries.
Issue #97 item 4 reports `prompts` as documented-but-unmirrored. That is
refuted: MIRROR_DIRS lists DESTINATION directories, and apm folds
.apm/prompts/ into commands/ (renaming *.prompt.md to *.md), verified
empirically. A plugin adding .apm/prompts/ is mirrored today; adding a
`prompts` entry would name an output directory apm never emits. Pinned
with a characterization test that fires if that mapping ever changes,
plus a comment so it is not refiled.
Guards the new wipe with ${target_dir:?}: `set -u` aborts on an unset
variable but not an empty one, which would make it `rm -rf /hooks`.
Refs #97
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01X7GvKuJfy2WrdBmUttV4DT
Defame1297
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