feat(skills): add install from ZIP file feature

- Add open_zip_file_dialog command for selecting ZIP files
- Add install_from_zip service method with recursive skill scanning
- Add install_skills_from_zip Tauri command
- Add frontend API methods and useInstallSkillsFromZip hook
- Add "Install from ZIP" button in Skills management page
- Support local skill ID format: local:{directory}
- Add i18n translations for new feature and error messages

src/lib/api/index.ts

@@ -3,6 +3,7 @@ export { providersApi, universalProvidersApi } from "./providers";
 export { settingsApi } from "./settings";
 export { mcpApi } from "./mcp";
 export { promptsApi } from "./prompts";
+export { skillsApi } from "./skills";
 export { usageApi } from "./usage";
 export { vscodeApi } from "./vscode";
 export { proxyApi } from "./proxy";

src/lib/api/skills.ts

@@ -159,4 +159,19 @@ export const skillsApi = {
   async removeRepo(owner: string, name: string): Promise<boolean> {
     return await invoke("remove_skill_repo", { owner, name });
   },
+
+  // ========== ZIP 安装 ==========
+
+  /** 打开 ZIP 文件选择对话框 */
+  async openZipFileDialog(): Promise<string | null> {
+    return await invoke("open_zip_file_dialog");
+  },
+
+  /** 从 ZIP 文件安装 Skills */
+  async installFromZip(
+    filePath: string,
+    currentApp: AppType,
+  ): Promise<InstalledSkill[]> {
+    return await invoke("install_skills_from_zip", { filePath, currentApp });
+  },
 };

src/lib/errors/skillErrorParser.ts

@@ -38,6 +38,7 @@ function getErrorI18nKey(code: string): string {
     SKILL_DIRECTORY_CONFLICT: "skills.error.directoryConflict",
     EMPTY_ARCHIVE: "skills.error.emptyArchive",
     GET_HOME_DIR_FAILED: "skills.error.getHomeDirFailed",
+    NO_SKILLS_IN_ZIP: "skills.error.noSkillsInZip",
   };
 
   return mapping[code] || "skills.error.unknownError";
@@ -54,6 +55,7 @@ function getSuggestionI18nKey(suggestion: string): string {
     checkRepoUrl: "skills.error.suggestion.checkRepoUrl",
     checkPermission: "skills.error.suggestion.checkPermission",
     uninstallFirst: "skills.error.suggestion.uninstallFirst",
+    checkZipContent: "skills.error.suggestion.checkZipContent",
     http403: "skills.error.http403",
     http404: "skills.error.http404",
     http429: "skills.error.http429",