fix: sync Python Auggie matcher validation

AGENTS.md

@@ -26,6 +26,7 @@ This repository publishes the open-source server, console, integration catalog,
 - Preserve Kimi TOML comments and unrelated formatting through range-based edits, then parse the complete rendered document before writing it.
 - Write Grok Build integrations to a native user hook file under non-empty `GROK_HOME` or `~/.grok`; keep Claude Code and Cursor compatibility sources read-only.
 - Write Auggie hooks only to `~/.augment/settings.json`; keep system and workspace settings read-only. Generate `.cmd` wrappers on Windows and `.sh` wrappers on Unix because Auggie dispatches supported script paths, and express hook timeouts in milliseconds.
+- Validate Auggie matcher syntax during installation with Node.js `new RegExp`; keep status and uninstall independent from the JavaScript validator so recovery remains available offline.
 
 ## Mirror Workflow