Function migrateV1ToV2

src/utils/plugins/installedPluginsManager.ts:284–305

* Migrate V1 data to V2 format. * All V1 plugins are migrated to 'user' scope since V1 had no scope concept.

(v1Data: InstalledPluginsFileV1)

 * All V1 plugins are migrated to 'user' scope since V1 had no scope concept.
 */
function migrateV1ToV2(v1Data: InstalledPluginsFileV1): InstalledPluginsFileV2 {
  const v2Plugins: InstalledPluginsMapV2 = {}

  for (const [pluginId, plugin] of Object.entries(v1Data.plugins)) {
    // V2 format uses versioned cache path: ~/.claude/plugins/cache/{marketplace}/{plugin}/{version}
    // Compute it from pluginId and version instead of using the V1 installPath
    const versionedCachePath = getVersionedCachePath(pluginId, plugin.version)

    v2Plugins[pluginId] = [
      {
        scope: 'user', // Default all existing installs to user scope
        installPath: versionedCachePath,
        version: plugin.version,
        installedAt: plugin.installedAt,
        lastUpdated: plugin.lastUpdated,
        gitCommitSha: plugin.gitCommitSha,
      },
    ]
  }

  return { version: 2, plugins: v2Plugins }
}

/**
 * Load installed plugins in V2 format.