ToolsSettingsExtension adds a Tools settings category — a path field per
tool (app.tools.<name>) plus a Re-detect action (tools.detect) — and keeps
the live resolver in sync as paths are edited (supporterBinariesFrom). en
+ nl catalogs. Completes the D-104 UI surface.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>