KeiSeiKit-1.0/hooks/site-wysiwyd-check.sh
Parfii-bot a4e667de10 KeiSeiKit-public — clean state
Single-commit clean baseline after security scrub of niche-tells,
project codenames, internal jargon, and contributor-email leaks.

Contents:
- 100 Rust crates (_primitives/_rust/)
- 37 agent manifests (_manifests/) + generated specs (_generated/)
- 67 user-invocable skills (skills/)
- 33 hooks (hooks/)
- Composition blocks (_blocks/)
- Documentation (docs/, README.md)
- TS adapter packages (_ts_packages/)
- Assembler (_assembler/)
- Roles (_roles/)
- Templates (_templates/)
- Forgejo CI (.forgejo/)

Author: Denis Parfionovich <info@greendragon.info>

License: see LICENSE.
2026-05-01 12:09:03 +08:00

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#!/bin/sh
# site-wysiwyd-check.sh — PostToolUse(Edit|Write) advisory hook.
#
# Detects frontend source edits on a project that has a live dev server
# (.keisei/dev-server.pid exists) and reports visual drift against the
# most recent approved screenshot (.keisei/target.png).
#
# Non-blocking: every exit path is `exit 0`. If any dependency is missing
# (jq, mock-render, visual-diff, live server, target.png) the hook silently
# no-ops. Drift is printed to stderr; Claude Code surfaces it as advisory.
#
# Stdin: JSON with tool_input.file_path.
command -v jq >/dev/null 2>&1 || exit 0
_KEI_LIB="$(dirname "$0")/_lib/gate.sh"
if [ -r "$_KEI_LIB" ]; then . "$_KEI_LIB"; kei_hook_gate "site-wysiwyd-check" || exit 0; fi
set -eu
FILE=$(jq -r '.tool_input.file_path // empty' 2>/dev/null || true)
[ -n "$FILE" ] || exit 0
# Extension whitelist — only frontend source files trigger a drift check.
EXT=$(printf '%s' "${FILE##*.}" | tr '[:upper:]' '[:lower:]')
case "$EXT" in
tsx|vue|svelte|astro|css|html|jsx|ts) ;;
*) exit 0 ;;
esac
# Walk up from the edited file looking for .keisei/dev-server.pid. Stop at /
# or at $HOME to avoid unbounded traversal.
dir=$(dirname "$FILE")
pid_file=""
while [ "$dir" != "/" ] && [ "$dir" != "$HOME" ] && [ -n "$dir" ]; do
if [ -f "$dir/.keisei/dev-server.pid" ]; then
pid_file="$dir/.keisei/dev-server.pid"
break
fi
parent=$(dirname "$dir")
[ "$parent" = "$dir" ] && break
dir="$parent"
done
[ -n "$pid_file" ] || exit 0
PROJECT_DIR=$(dirname "$(dirname "$pid_file")")
TARGET_PNG="$PROJECT_DIR/.keisei/target.png"
[ -f "$TARGET_PNG" ] || exit 0
# Resolve mock-render + visual-diff via PATH (canonical: ~/.cargo/bin/).
MOCK=$(command -v mock-render 2>/dev/null)
DIFF=$(command -v visual-diff 2>/dev/null)
[ -n "$MOCK" ] && [ -n "$DIFF" ] || exit 0
# Read dev-server URL (default http://localhost:3000 if unrecorded).
URL_FILE="$PROJECT_DIR/.keisei/dev-server.url"
if [ -f "$URL_FILE" ]; then
URL=$(head -n1 "$URL_FILE")
else
URL="http://localhost:3000"
fi
[ -n "$URL" ] || exit 0
# Let HMR settle before screenshotting.
sleep 0.5
CURRENT_PNG="$PROJECT_DIR/.keisei/current.png"
"$MOCK" screenshot "$URL" --out "$CURRENT_PNG" >/dev/null 2>&1 || exit 0
[ -f "$CURRENT_PNG" ] || exit 0
drift=$("$DIFF" "$TARGET_PNG" "$CURRENT_PNG" 2>/dev/null || true)
if [ -n "$drift" ]; then
echo "[site-wysiwyd] drift vs $TARGET_PNG: $drift" >&2
fi
exit 0