merge: 合入最新 main（#353 agent-open-tools / #360 markdown-html-toc 等），解决 PR 合并性

# Conflicts:
#	src/client/EditorHost.tsx
#	tests/prefs.spec.ts

src/client/service.ts

@@ -117,8 +117,8 @@ export interface SidebarSettingsDeclaration {
    * Extra settings rows rendered under the feature's own row in the
    * settings page (only while the feature is enabled). Keys must be fields
    * of the host's PrefsSchema (built-ins: 'autoOpenSubagent',
-   * 'agentTerminalTools', 'terminalFontFamily'); unknown keys are dropped
-   * by the settings seam.
+   * 'agentTerminalTools', 'agentOpenTools', 'terminalFontFamily'); unknown
+   * keys are dropped by the settings seam.
    */
   toggles?: readonly SidebarSettingToggle[]
   /**