feat(industry): Phase 3 Tauri 行业配置加载 — SaaS API mixin + industryStore + Tauri 命令

- 新增 saas-industry.ts mixin: listIndustries/getIndustryFullConfig/getMyIndustries
- 新增 saas-types 行业类型: IndustryInfo/IndustryFullConfig/AccountIndustryItem
- 新增 industryStore.ts: Zustand store + localStorage persist + Rust 注入
- 新增 viking_load_industry_keywords Tauri 命令: 接收 JSON configs → 全局存储
- 前端 bootstrap 后自动拉取行业配置并推送到 ButlerRouter

desktop/src/lib/saas-client.ts

@@ -67,6 +67,9 @@ export type {
   AgentTemplateAvailable,
   AgentTemplateFull,
   AgentConfigFromTemplate,
+  IndustryInfo,
+  IndustryFullConfig,
+  AccountIndustryItem,
 } from './saas-types';
 
 export { SaaSApiError } from './saas-errors';
@@ -110,6 +113,7 @@ import { installRelayMethods } from './saas-relay';
 import { installPromptMethods } from './saas-prompt';
 import { installTelemetryMethods } from './saas-telemetry';
 import { installBillingMethods } from './saas-billing';
+import { installIndustryMethods } from './saas-industry';
 export type { UsageIncrementResult } from './saas-billing';
 
 // Re-export billing types for convenience
@@ -443,6 +447,7 @@ installRelayMethods(SaaSClient);
 installPromptMethods(SaaSClient);
 installTelemetryMethods(SaaSClient);
 installBillingMethods(SaaSClient);
+installIndustryMethods(SaaSClient);
 export { installBillingMethods };
 
 // === API Method Type Declarations ===
@@ -500,6 +505,12 @@ export interface SaaSClient {
   getSubscription(): Promise<import('./saas-types').SubscriptionInfo>;
   createPayment(data: import('./saas-types').CreatePaymentRequest): Promise<import('./saas-types').PaymentResult>;
   getPaymentStatus(paymentId: string): Promise<import('./saas-types').PaymentStatus>;
+
+  // --- Industry (saas-industry.ts) ---
+  listIndustries(opts?: { page?: number; page_size?: number; status?: string }): Promise<import('./saas-types').PaginatedResponse<import('./saas-types').IndustryInfo>>;
+  getIndustryFullConfig(industryId: string): Promise<import('./saas-types').IndustryFullConfig>;
+  getMyIndustries(): Promise<import('./saas-types').AccountIndustryItem[]>;
+  getAccountIndustries(accountId: string): Promise<import('./saas-types').AccountIndustryItem[]>;
 }
 
 // === Singleton ===

desktop/src/lib/saas-industry.ts

@@ -0,0 +1,61 @@
+/**
+ * SaaS Industry Methods — Mixin
+ *
+ * Installs industry-related methods onto SaaSClient.prototype.
+ * Covers listing industries, fetching full configs, and account-industry associations.
+ */
+
+import type {
+  IndustryInfo,
+  IndustryFullConfig,
+  AccountIndustryItem,
+  PaginatedResponse,
+} from './saas-types';
+
+export function installIndustryMethods(ClientClass: { prototype: any }): void {
+  const proto = ClientClass.prototype;
+
+  /**
+   * List available industries.
+   */
+  proto.listIndustries = async function (
+    this: { request<T>(method: string, path: string, body?: unknown): Promise<T> },
+    opts?: { page?: number; page_size?: number; status?: string },
+  ): Promise<PaginatedResponse<IndustryInfo>> {
+    const params = new URLSearchParams();
+    if (opts?.page) params.set('page', String(opts.page));
+    if (opts?.page_size) params.set('page_size', String(opts.page_size));
+    if (opts?.status) params.set('status', opts.status);
+    const qs = params.toString();
+    return this.request('GET', `/api/v1/industries${qs ? '?' + qs : ''}`);
+  };
+
+  /**
+   * Get full industry config (keywords, prompts, etc.).
+   */
+  proto.getIndustryFullConfig = async function (
+    this: { request<T>(method: string, path: string, body?: unknown): Promise<T> },
+    industryId: string,
+  ): Promise<IndustryFullConfig> {
+    return this.request('GET', `/api/v1/industries/${industryId}/full-config`);
+  };
+
+  /**
+   * Get the current user's authorized industries.
+   */
+  proto.getMyIndustries = async function (
+    this: { request<T>(method: string, path: string, body?: unknown): Promise<T> },
+  ): Promise<AccountIndustryItem[]> {
+    return this.request('GET', '/api/v1/accounts/me/industries');
+  };
+
+  /**
+   * Get a specific account's authorized industries (admin).
+   */
+  proto.getAccountIndustries = async function (
+    this: { request<T>(method: string, path: string, body?: unknown): Promise<T> },
+    accountId: string,
+  ): Promise<AccountIndustryItem[]> {
+    return this.request('GET', `/api/v1/accounts/${accountId}/industries`);
+  };
+}

desktop/src/lib/saas-types.ts

@@ -237,6 +237,41 @@ export interface PromptUpdatePayload {
 
 // === Admin Types: Providers ===
 
+// === Industry Types ===
+
+/** Industry list item */
+export interface IndustryInfo {
+  id: string;
+  name: string;
+  icon: string;
+  description: string;
+  status: string;
+  source: string;
+}
+
+/** Industry full config (with keywords, prompts, etc.) */
+export interface IndustryFullConfig {
+  id: string;
+  name: string;
+  icon: string;
+  description: string;
+  keywords: string[];
+  system_prompt: string;
+  cold_start_template: string;
+  pain_seed_categories: string[];
+  skill_priorities: Array<{ skill_id: string; priority: number }>;
+  status: string;
+  source: string;
+}
+
+/** Account industry association */
+export interface AccountIndustryItem {
+  industry_id: string;
+  is_primary: boolean;
+  industry_name: string;
+  industry_icon: string;
+}
+
 /** Provider info from GET /api/v1/providers */
 export interface ProviderInfo {
   id: string;