Hook Diagnostics

Hook Diagnostics

Diagnose hook integration issues between Claude Code and the Agent Monitor.

Input

The user provides: $ARGUMENTS

This may be:

• "full" or empty (default: run all diagnostics)
• "install" to check hook installation only
• "connectivity" to check dashboard connectivity only
• "events" to check event delivery only

Procedure

Run diagnostic checks in this order:

1. Hook Installation Check

Verify hooks are installed in Claude Code settings:

# Check if hooks exist in Claude Code settings
cat ~/.claude/settings.json | jq '.hooks // empty'

Verify:

• All 7 expected hook types are registered: PreToolUse, PostToolUse, Stop, SubagentStop, Notification, SessionStart, SessionEnd
• Hook commands point to the correct handler script path
• Handler script exists and is readable at the configured path

2. Dashboard Connectivity

Test that the dashboard API is reachable:

curl -sf http://localhost:4820/api/health

Verify:

• Dashboard responds with 200 OK
• Response includes expected health fields
• WebSocket endpoint is accessible

3. Hook Handler Validation

Check the hook handler script: