Bump Version

Update package.json, .claude-plugin/plugin.json, and .sd0x/install-state.json versions in sync.

Workflow

1. Read current versions from all files
2. Determine new version (from argument or auto-increment)
3. Update all files to the same version
4. Report result

Step 1: Read Current Versions

grep '"version"' package.json .claude-plugin/plugin.json

Also check manifest: