#!/usr/bin/env python3
"""
Minimal TodoWrite PostToolUse hook
Reminds Claude to sync todos via agent-comm MCP
"""
import json
import sys
def main():
"""
Parse TodoWrite result and remind to sync if needed
Exit codes: 0 - No action needed, 2 - Reminder to sync
"""
try:
hook_data = json.loads(sys.stdin.read())
# Check if TodoWrite with todos
if hook_data.get('tool', {}).get('name') != 'TodoWrite':
sys.exit(0)
if hook_data.get('error'):
sys.exit(0)
todos = hook_data.get('result', {}).get('todos', [])
if not todos:
sys.exit(0)
# Count states for context
states = {'pending': 0, 'in_progress': 0, 'completed': 0}
for todo in todos:
if isinstance(todo, dict) and 'status' in todo:
status = todo.get('status')
if status in states:
states[status] += 1
# Skip counting unknown statuses to avoid incorrect totals
# Simple reminder
total = sum(states.values())
print(f"TodoWrite updated {total} todo{'s' if total != 1 else ''}: {states['completed']} completed, {states['in_progress']} in-progress, {states['pending']} pending.\n\nRemember to sync to your task checkboxes using the agent-comm MCP if you have an active task.")
sys.exit(2)
except Exception as e:
# Log error to stderr but exit cleanly to avoid disrupting Claude
print(f"TodoWrite hook error: {e}", file=sys.stderr)
sys.exit(0) # Silent failure - don't block Claude workflow
if __name__ == '__main__':
main()
