Function refreshActivePlugins

source code/utils/plugins/refresh.ts:74–193

(
  setAppState: SetAppState,
)

 * re-reads config. Servers are lazy-started so this is just config parsing.
 */
export async function refreshActivePlugins(
  setAppState: SetAppState,
): Promise<RefreshActivePluginsResult> {
  logForDebugging('refreshActivePlugins: clearing all plugin caches')
  clearAllCaches()
  // Orphan exclusions are session-frozen by default, but /reload-plugins is
  // an explicit "disk changed, re-read it" signal — recompute them too.
  clearPluginCacheExclusions()

  // Sequence the full load before cache-only consumers. Before #23693 all
  // three shared loadAllPlugins()'s memoize promise so Promise.all was a
  // no-op race. After #23693 getPluginCommands/getAgentDefinitions call
  // loadAllPluginsCacheOnly (separate memoize) — racing them means they
  // read installed_plugins.json before loadAllPlugins() has cloned+cached
  // the plugin, returning plugin-cache-miss. loadAllPlugins warms the
  // cache-only memoize on completion, so the awaits below are ~free.
  const pluginResult = await loadAllPlugins()
  const [pluginCommands, agentDefinitions] = await Promise.all([
    getPluginCommands(),
    getAgentDefinitionsWithOverrides(getOriginalCwd()),
  ])

  const { enabled, disabled, errors } = pluginResult

  // Populate mcpServers/lspServers on each enabled plugin. These are lazy
  // cache slots NOT filled by loadAllPlugins() — they're written later by
  // extractMcpServersFromPlugins/getPluginLspServers, which races with this.
  // Loading here gives accurate metrics AND warms the cache slots so the MCP
  // connection manager (triggered by pluginReconnectKey bump) sees the servers
  // without re-parsing manifests. Errors are pushed to the shared errors array.
  const [mcpCounts, lspCounts] = await Promise.all([
    Promise.all(
      enabled.map(async p => {
        if (p.mcpServers) return Object.keys(p.mcpServers).length
        const servers = await loadPluginMcpServers(p, errors)
        if (servers) p.mcpServers = servers
        return servers ? Object.keys(servers).length : 0
      }),
    ),
    Promise.all(
      enabled.map(async p => {
        if (p.lspServers) return Object.keys(p.lspServers).length
        const servers = await loadPluginLspServers(p, errors)
        if (servers) p.lspServers = servers
        return servers ? Object.keys(servers).length : 0
      }),
    ),
  ])
  const mcp_count = mcpCounts.reduce((sum, n) => sum + n, 0)
  const lsp_count = lspCounts.reduce((sum, n) => sum + n, 0)

  setAppState(prev => ({
    ...prev,
    plugins: {
      ...prev.plugins,
      enabled,
      disabled,
      commands: pluginCommands,