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Garry Tan
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* feat: add /careful, /freeze, /guard, /unfreeze safety hook skills Four new on-demand skills using Claude Code's PreToolUse hooks: - /careful: warns before destructive commands (rm -rf, DROP TABLE, force-push, etc.) - /freeze: blocks file edits outside a specified directory - /guard: composes both into one command - /unfreeze: clears freeze boundary without ending session Pure bash hook scripts with Python fallback for JSON edge cases. Safe exceptions for build artifacts (node_modules, dist, .next, etc.). Hook fire telemetry logs pattern name only (never command content). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: add skill usage telemetry to preamble TemplateContext system passes skill name through resolver pipeline so each generated SKILL.md gets its own name baked into the telemetry line. Appends to ~/.gstack/analytics/skill-usage.jsonl on every invocation. Covers 14 preamble-using skills + 4 hook skills (inline telemetry). JSONL format: {"skill":"ship","ts":"...","repo":"my-project"} Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: add analytics CLI for skill usage stats bun run analytics reads ~/.gstack/analytics/skill-usage.jsonl and shows top skills, per-repo breakdown, hook fire stats, and daily timeline. Supports --period 7d/30d/all. Handles missing/empty/malformed data. 22 unit tests cover parsing, filtering, formatting, and edge cases. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: add skills-used-this-week to /retro Retro Step 2 now reads skill-usage.jsonl and shows which gstack skills were used during the retro window. Follows the same pattern as the Greptile signal and Backlog Health metrics — read file, filter by date, aggregate, present. Skips silently if no analytics data exists. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * test: add hook script and telemetry tests 32 unit tests for check-careful.sh covering all 8 destructive patterns, safe exceptions, Python fallback, and malformed input handling. 7 unit tests for check-freeze.sh covering boundary enforcement, trailing slash edge case, and missing state file. Telemetry tests verify per-skill name correctness in generated output. Adds careful/freeze/guard/unfreeze/document-release to ALL_SKILLS. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * chore: bump version to 0.6.5 + changelog + mark TODOs shipped Safety hook skills and skill usage telemetry shipped. Analytics CLI and /retro integration included. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: /debug auto-freezes edits to the module being debugged Add PreToolUse hooks (Edit/Write) to debug/SKILL.md.tmpl that reference the existing freeze/bin/check-freeze.sh. After Phase 1 investigation, /debug locks edits to the narrowest affected directory. Graceful degradation: if freeze script is unavailable, scope lock is skipped. Users can run /unfreeze to remove the restriction. Deferred 6 enhancements to TODOS.md, gated on telemetry showing the freeze hook actually fires in real debugging sessions. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
58 lines
2.3 KiB
Cheetah
58 lines
2.3 KiB
Cheetah
---
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name: careful
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version: 0.1.0
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description: |
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Safety guardrails for destructive commands. Warns before rm -rf, DROP TABLE,
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force-push, git reset --hard, kubectl delete, and similar destructive operations.
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User can override each warning. Use when touching prod, debugging live systems,
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or working in a shared environment. Use when asked to "be careful", "safety mode",
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"prod mode", or "careful mode".
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allowed-tools:
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- Bash
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- Read
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hooks:
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PreToolUse:
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- matcher: "Bash"
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hooks:
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- type: command
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command: "bash ${CLAUDE_SKILL_DIR}/bin/check-careful.sh"
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statusMessage: "Checking for destructive commands..."
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---
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# /careful — Destructive Command Guardrails
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Safety mode is now **active**. Every bash command will be checked for destructive
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patterns before running. If a destructive command is detected, you'll be warned
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and can choose to proceed or cancel.
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```bash
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mkdir -p ~/.gstack/analytics
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echo '{"skill":"careful","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}' >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
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```
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## What's protected
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| Pattern | Example | Risk |
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|---------|---------|------|
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| `rm -rf` / `rm -r` / `rm --recursive` | `rm -rf /var/data` | Recursive delete |
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| `DROP TABLE` / `DROP DATABASE` | `DROP TABLE users;` | Data loss |
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| `TRUNCATE` | `TRUNCATE orders;` | Data loss |
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| `git push --force` / `-f` | `git push -f origin main` | History rewrite |
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| `git reset --hard` | `git reset --hard HEAD~3` | Uncommitted work loss |
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| `git checkout .` / `git restore .` | `git checkout .` | Uncommitted work loss |
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| `kubectl delete` | `kubectl delete pod` | Production impact |
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| `docker rm -f` / `docker system prune` | `docker system prune -a` | Container/image loss |
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## Safe exceptions
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These patterns are allowed without warning:
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- `rm -rf node_modules` / `.next` / `dist` / `__pycache__` / `.cache` / `build` / `.turbo` / `coverage`
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## How it works
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The hook reads the command from the tool input JSON, checks it against the
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patterns above, and returns `permissionDecision: "ask"` with a warning message
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if a match is found. You can always override the warning and proceed.
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To deactivate, end the conversation or start a new one. Hooks are session-scoped.
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