chore: bump version to v0.2.2

Rig operational state management, unified agent startup, and extensive
stability fixes. See CHANGELOG.md for full release notes.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

npm-package/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@gastown/gt",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Gas Town CLI - multi-agent workspace manager with native binary support",
   "main": "bin/gt.js",
   "bin": {