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fix(investigate): anchor the scope-lock freeze hook on $HOME, not CLAUDE_SKILL_DIR

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The investigate skill's PreToolUse hooks and Scope Lock probe resolved
check-freeze.sh via ${CLAUDE_SKILL_DIR}, which does not exist when
frontmatter hooks run — the || exit 0 tail then failed open, so the debug
scope boundary silently never engaged (#1871 follow-up). Anchor all four
sites on $HOME/.claude/skills/gstack/ like careful/freeze, and add a static
test asserting no frontmatter command: line in the guard-family skills ever
references CLAUDE_SKILL_DIR again.

Fixes #2469; closes the last live half of #1459 together with the
freeze/careful hookSpecificOutput fix. The broader portable-install-root
rewrite stays #1882 (its own focused PR per the TODOS.md decision).

Reported with a fix by @maxpetrusenkoagent (PR #1873; absorbed narrowly —
the cwd-walk rewrite belongs to #1882).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-08-14 20:20:48 -07:00
co-authored by Claude Fable 5
parent e684948efe
commit 3fa7739689
4 changed files with 50 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
investigate/SKILL.md
+6 -4
View File
@@ -23,12 +23,12 @@ hooks:
- matcher: "Edit"
hooks:
- type: command
command: 'bash -c ''S="${CLAUDE_SKILL_DIR}/../freeze/bin/check-freeze.sh"; [ -x "$S" ] || S="${CLAUDE_SKILL_DIR}/../gstack-freeze/bin/check-freeze.sh"; [ -x "$S" ] && bash "$S" || exit 0'''
command: 'bash -c ''S="$HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh"; [ -x "$S" ] && exec bash "$S"; exit 0'''
statusMessage: "Checking debug scope boundary..."
- matcher: "Write"
hooks:
- type: command
command: 'bash -c ''S="${CLAUDE_SKILL_DIR}/../freeze/bin/check-freeze.sh"; [ -x "$S" ] || S="${CLAUDE_SKILL_DIR}/../gstack-freeze/bin/check-freeze.sh"; [ -x "$S" ] && bash "$S" || exit 0'''
command: 'bash -c ''S="$HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh"; [ -x "$S" ] && exec bash "$S"; exit 0'''
statusMessage: "Checking debug scope boundary..."
gbrain:
schema: 1
@@ -910,8 +910,10 @@ If any learnings come back, name which one applies to your investigation in one
After forming your root cause hypothesis, lock edits to the affected module to prevent scope creep.
```bash
_FREEZE_SCRIPT="${CLAUDE_SKILL_DIR}/../freeze/bin/check-freeze.sh"
[ -x "$_FREEZE_SCRIPT" ] || _FREEZE_SCRIPT="${CLAUDE_SKILL_DIR}/../gstack-freeze/bin/check-freeze.sh"
# $HOME-anchored like the careful/freeze frontmatter hooks (#1871): frontmatter
# hooks and early skill bash run before any runtime var like CLAUDE_SKILL_DIR
# exists, so a ${CLAUDE_SKILL_DIR}-relative path silently never resolves (#2469).
_FREEZE_SCRIPT="$HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh"
[ -x "$_FREEZE_SCRIPT" ] && echo "FREEZE_AVAILABLE" || echo "FREEZE_UNAVAILABLE"
```
investigate/SKILL.md.tmpl
+6 -4
View File
@@ -30,12 +30,12 @@ hooks:
- matcher: "Edit"
hooks:
- type: command
command: 'bash -c ''S="${CLAUDE_SKILL_DIR}/../freeze/bin/check-freeze.sh"; [ -x "$S" ] || S="${CLAUDE_SKILL_DIR}/../gstack-freeze/bin/check-freeze.sh"; [ -x "$S" ] && bash "$S" || exit 0'''
command: 'bash -c ''S="$HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh"; [ -x "$S" ] && exec bash "$S"; exit 0'''
statusMessage: "Checking debug scope boundary..."
- matcher: "Write"
hooks:
- type: command
command: 'bash -c ''S="${CLAUDE_SKILL_DIR}/../freeze/bin/check-freeze.sh"; [ -x "$S" ] || S="${CLAUDE_SKILL_DIR}/../gstack-freeze/bin/check-freeze.sh"; [ -x "$S" ] && bash "$S" || exit 0'''
command: 'bash -c ''S="$HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh"; [ -x "$S" ] && exec bash "$S"; exit 0'''
statusMessage: "Checking debug scope boundary..."
gbrain:
schema: 1
@@ -118,8 +118,10 @@ If any learnings come back, name which one applies to your investigation in one
After forming your root cause hypothesis, lock edits to the affected module to prevent scope creep.
```bash
_FREEZE_SCRIPT="${CLAUDE_SKILL_DIR}/../freeze/bin/check-freeze.sh"
[ -x "$_FREEZE_SCRIPT" ] || _FREEZE_SCRIPT="${CLAUDE_SKILL_DIR}/../gstack-freeze/bin/check-freeze.sh"
# $HOME-anchored like the careful/freeze frontmatter hooks (#1871): frontmatter
# hooks and early skill bash run before any runtime var like CLAUDE_SKILL_DIR
# exists, so a ${CLAUDE_SKILL_DIR}-relative path silently never resolves (#2469).
_FREEZE_SCRIPT="$HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh"
[ -x "$_FREEZE_SCRIPT" ] && echo "FREEZE_AVAILABLE" || echo "FREEZE_UNAVAILABLE"
```