fix(ui): 审计修复 — 路径规范化/SkillInfo类型/分页offset/初始加载/显示统一

- workspace.rs: canonicalize() 解析 '..' 和符号链接
- Workspace.tsx: 组件挂载时调用 loadDirStats + 统一 KB 显示
- configStore: SkillInfo 接口补充 category 字段 + 空数组回退注释
- securityStore: localStorage 审计日志添加 offset 分页支持

desktop/src/store/configStore.ts

@@ -81,6 +81,7 @@ export interface SkillInfo {
   capabilities?: string[];
   tags?: string[];
   mode?: string;
+  category?: string;
   triggers?: Array<{ type: string; pattern?: string }>;
   actions?: Array<{ type: string; params?: Record<string, unknown> }>;
   enabled?: boolean;
@@ -455,6 +456,8 @@ export const useConfigStore = create<ConfigStateSlice & ConfigActionsSlice>((set
     if (client) {
       try {
         const result = await client.listSkills();
+        // Empty array from client may indicate connected-but-load-failure;
+        // fall through to direct Tauri invoke as recovery path
         if (result?.skills && result.skills.length > 0) {
           set({ skillsCatalog: result.skills });
           if (result.extraDirs) {

desktop/src/store/securityStore.ts

@@ -309,10 +309,11 @@ export const useSecurityStore = create<SecurityStore>((set, get) => ({
         }));
       }
 
-      // Sort by timestamp descending and apply limit
+      // Sort by timestamp descending and apply pagination
       allLogs.sort((a, b) => new Date(b.timestamp).getTime() - new Date(a.timestamp).getTime());
-      const limited = opts?.limit ? allLogs.slice(0, opts.limit) : allLogs;
-      set({ auditLogs: limited, auditLogsLoading: false });
+      const offset = opts?.offset ?? 0;
+      const paginated = opts?.limit ? allLogs.slice(offset, offset + opts.limit) : allLogs.slice(offset);
+      set({ auditLogs: paginated, auditLogsLoading: false });
     } catch {
       set({ auditLogsLoading: false });
     }