Teaching Claude Code to Write XSLT — The Hook...

Part 1 covered the XSLT skill — domain knowledge that prevents mistakes upfront. This part covers the runtime side: two PostToolUse hooks that automate compile-and-run so Claude sees the result of its own edits immediately. Claude writes a file → hooks fire → output (or error) appears in context → Claude fixes and repeats. When the debugger is running and a matching launch config exists, no manual runs are needed. Otherwise the hook reports what's missing and Claude can guide you. PostToolUse ho