chore: bump version to 0.2.13 for first public release

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

Author: coleam00

package.json

@@ -1,6 +1,6 @@
 {
   "name": "archon",
-  "version": "0.2.12",
+  "version": "0.2.13",
   "private": true,
   "workspaces": [
     "packages/*"