chore(release): bump version to 0.0.13 and record the release

Record the published 0.0.13 release version in package.json and
package-lock.json, and add the release notes plus the handoff entry.

Published installer: release/publish/0.0.13/YCode-0.0.13-Setup-x64.exe
SHA-256 a2396b87a2721ca1d42d54e4be420c4e70a66ce57a180c4b56e0a0438a557c5f

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

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ycode",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "private": true,
   "description": "YCode - 个人 AI Agent 桌面应用（Electron）",
   "author": "YCode",