fix: resolve merge conflicts — bump to v0.14.2.0 on top of main's v0.14.1.0

Main claimed v0.14.1.0 for the "Comparison Board is the Chooser" release.
Our branch bumps to v0.14.2.0 for the sidebar CSS inspector + per-tab agents.
Both CHANGELOG entries preserved in correct order.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gstack",
-  "version": "0.14.1.0",
+  "version": "0.14.2.0",
   "description": "Garry's Stack — Claude Code skills + fast headless browser. One repo, one install, entire AI engineering workflow.",
   "license": "MIT",
   "type": "module",