PreToolUse

{
  "PreToolUse": [
    {
      "matcher": "tool == \"Bash\" && tool_input.command matches \"(npm run dev|pnpm( run)? dev|yarn dev|bun run dev)\"",
      "hooks": [
        {
          "type": "command",
          "command": "#!/bin/bash\ninput=$(cat)\ncmd=$(echo \"$input\" | jq -r '.tool_input.command // \"\"')\n\n# Block dev servers that aren't run in tmux\necho '[Hook] BLOCKED: Dev server must run in tmux for log access' >&2\necho '[Hook] Use this command instead:' >&2\necho \"[Hook] tmux new-session -d -s dev 'npm run dev'\" >&2\necho '[Hook] Then: tmux attach -t dev' >&2\nexit 1"
        }
      ],
      "description": "Block dev servers outside tmux - ensures you can access logs"
    },
    {
      "matcher": "tool == \"Bash\" && tool_input.command matches \"(npm (install|test)|pnpm (install|test)|yarn (install|test)|bun (install|test)|cargo build|make|docker|pytest|vitest|playwright)\"",
      "hooks": [
        {
          "type": "command",
          "command": "#!/bin/bash\ninput=$(cat)\nif [ -z \"$TMUX\" ]; then\n  echo '[Hook] Consider running in tmux for session persistence' >&2\n  echo '[Hook] tmux new -s dev  |  tmux attach -t dev' >&2\nfi\necho \"$input\""
        }
      ],
      "description": "Reminder to use tmux for long-running commands"
    },
    {
      "matcher": "tool == \"Bash\" && tool_input.command matches \"git push\"",
      "hooks": [
        {
          "type": "command",
          "command": "#!/bin/bash\n# Open editor for review before pushing\necho '[Hook] Review changes before push...' >&2\n# Uncomment your preferred editor:\n# zed . 2>/dev/null\n# code . 2>/dev/null\n# cursor . 2>/dev/null\necho '[Hook] Press Enter to continue with push or Ctrl+C to abort...' >&2\nread -r"
        }
      ],
      "description": "Pause before git push to review changes"
    },
    {
      "matcher": "tool == \"Write\" && tool_input.file_path matches \"\\\\.(md|txt)$\" && !(tool_input.file_path matches \"README\\\\.md|CLAUDE\\\\.md|AGENTS\\\\.md