feat(settings): replicate the WorkBuddy general settings panel (TODO 10)

src/shared/ipc.ts

@@ -11,7 +11,9 @@ import type {
   WorkspaceInfo,
   WindowState,
   AppInfo,
-  GitBranchInfo
+  GitBranchInfo,
+  GeneralSettingsPatch,
+  GeneralSettingsView
 } from './types'
 import type { DownloadPayload, DownloadResult, ResourceEntry, ResourceRange, WorkspaceResource } from './resources'
 import type { ChatAttachment, InteractionResponse, MessageQuote, PermissionMode } from './conversation'
@@ -100,6 +102,17 @@ export interface YCodeApi {
     get(): Ipc<GatewayConfigView>
     update(patch: ConfigPatchLike): Ipc<GatewayConfigView>
   }
+  /** 设置 → 通用：真实可接入的能力。 */
+  general: {
+    get(options?: { refreshUsage?: boolean }): Ipc<GeneralSettingsView>
+    update(patch: GeneralSettingsPatch): Ipc<GeneralSettingsView>
+    /** 打开数据目录 / 默认工作空间目录 */
+    openFolder(kind: 'data' | 'workspace'): Ipc<void>
+    /** 修改默认工作空间存储路径；传入 path 时不弹系统对话框（验收用）。 */
+    changeWorkspaceRoot(path?: string): Ipc<GeneralSettingsView>
+    /** 打开系统通知设置页。 */
+    openSystemNotificationSettings(): Ipc<void>
+  }
   workspace: {
     get(): Ipc<WorkspaceInfo>
     choose(): Ipc<WorkspaceInfo & { changed: boolean }>