Agent skill
fof-preflight
Diff-aware guardrail checker for Fear-of-Falling (FOF) changes; fails closed on raw data edits, Kxx intro/req_cols mismatches, and output discipline risks.
Stars
163
Forks
31
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/fof-preflight
Metadata
Additional technical details for this skill
- short description
- Diff-aware FOF guardrail preflight (fail-closed).
SKILL.md
How to use
Run from the Fear-of-Falling subproject root or repo root.
Example:
bash
python .codex/skills/fof-preflight/scripts/preflight.py
Inputs
- Git working tree diff (
git diff --name-only --diff-filter=ACMRTUXB). - Kxx R scripts under
Fear-of-Falling/R-scripts/(orR-scripts/). - Policy sources:
Fear-of-Falling/CLAUDE.md,Fear-of-Falling/QC_CHECKLIST.md.
Outputs
- Console summary with PASS/WARN/FAIL.
- Exit code 0 only if no FAIL conditions are found.
Failure modes
- Not a git repo or diff fails.
- Any change under
data/ordata/external/. - Kxx
.Rscripts missing the standard intro/Required vars block. - Required vars list cannot be parsed unambiguously.
req_cols <- c(...)cannot be parsed or has multiple definitions.- Required vars list does not match
req_cols1:1. - Suspicious
outputs/usage not underR-scripts/<script>/outputs/.
Safety/guardrails
- FAIL CLOSED: if a rule cannot be verified, the script exits 1 with context.
- No external APIs or network calls.
- Does not modify data or outputs.
- If other raw-data root paths are discovered in docs/scripts, do not add them without explicit user confirmation (fail closed and request clarification).
Sources: Fear-of-Falling/CLAUDE.md, Fear-of-Falling/QC_CHECKLIST.md.
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