Function uninstallPluginOp

src/services/plugins/pluginOperations.ts:428–560

(
  plugin: string,
  scope: InstallableScope = 'user',
  deleteDataDir = true,
)

 * @returns Result indicating success/failure
 */
export async function uninstallPluginOp(
  plugin: string,
  scope: InstallableScope = 'user',
  deleteDataDir = true,
): Promise<PluginOperationResult> {
  // Validate scope at runtime for early error detection
  assertInstallableScope(scope)

  const { enabled, disabled } = await loadAllPlugins()
  const allPlugins = [...enabled, ...disabled]

  // Find the plugin
  const foundPlugin = findPluginByIdentifier(plugin, allPlugins)

  const settingSource = scopeToSettingSource(scope)
  const settings = getSettingsForSource(settingSource)

  let pluginId: string
  let pluginName: string

  if (foundPlugin) {
    // Find the matching settings key for this plugin (may differ from `plugin`
    // if user gave short name but settings has plugin@marketplace)
    pluginId =
      Object.keys(settings?.enabledPlugins ?? {}).find(
        k =>
          k === plugin ||
          k === foundPlugin.name ||
          k.startsWith(`${foundPlugin.name}@`),
      ) ?? (plugin.includes('@') ? plugin : foundPlugin.name)
    pluginName = foundPlugin.name
  } else {
    // Plugin not found via marketplace lookup — it may have been delisted.
    // Fall back to installed_plugins.json (V2) which tracks installations
    // independently of marketplace state.
    const resolved = resolveDelistedPluginId(plugin)
    if (!resolved) {
      return {
        success: false,
        message: `Plugin "${plugin}" not found in installed plugins`,
      }
    }
    pluginId = resolved.pluginId
    pluginName = resolved.pluginName
  }

  // Check if the plugin is installed in this scope (in V2 file)
  const projectPath = getProjectPathForScope(scope)
  const installedData = loadInstalledPluginsV2()
  const installations = installedData.plugins[pluginId]
  const scopeInstallation = installations?.find(
    i => i.scope === scope && i.projectPath === projectPath,
  )

  if (!scopeInstallation) {
    // Try to find where the plugin is actually installed to provide a helpful error
    const { scope: actualScope } = getPluginInstallationFromV2(pluginId)
    if (actualScope !== scope && installations && installations.length > 0) {