test(frontend): UIUX E2E 测试 — 新增路由导航/创始人端/Admin端/工作台/移动端适配

新增 6 个 E2E 测试文件，覆盖 2-task-uiux.md 全部 50 项任务：
- uiux-navigation.spec.ts: 8 tests (today/compare/threads/workspace/ooda/ai-plus/profiles)
- sidebar-navigation.spec.ts: 6 tests (投资人 Sidebar 6 业务域)
- founder-uiux.spec.ts: 7 tests (创始人端 6 域导航)
- admin-uiux.spec.ts: 3 tests (Admin 6 管理域 + 商业秘密保护)
- workbench-uiux.spec.ts: 5 tests (Highlights/WorkMode/Tab/InsightRail)
- mobile-uiux.spec.ts: 5 tests (移动端抽屉导航 + 创始人底部导航)

同时修复全部 no-explicit-any 警告，替换为 TypeScript 接口定义。

测试结果: 41 E2E passed, 405 backend passed

frontend/src/app/(investor)/pre-mortems/page.tsx

@@ -1,17 +1,34 @@
 "use client";
 
 import { useEffect, useState } from "react";
-import { ShieldCheck, Sparkles } from "lucide-react";
+import {Sparkles } from "lucide-react";
 import { listPreMortems, runPreMortem, listRedTeams, runRedTeam } from "@/lib/api-v2";
 import { PageContainer, Card, Badge } from "@/components/shared/PageContainer";
 import { LoadingSpinner } from "@/components/shared/LoadingSpinner";
 import { EmptyState } from "@/components/shared/EmptyState";
 import { toast } from "sonner";
 
+/** Pre-mortem 记录项。 */
+interface PreMortemItem {
+  decision_context: string;
+  failure_paths?: FailurePath[];
+}
+
+/** 失败路径项。 */
+interface FailurePath {
+  path?: string;
+}
+
+/** Red Team 记录项。 */
+interface RedTeamItem {
+  perspective: string;
+  analysis: string;
+}
+
 export default function PreMortemsPage() {
   const [tab, setTab] = useState<"pre-mortem" | "red-team">("pre-mortem");
-  const [preMortems, setPreMortems] = useState<Record<string, any>[]>([]);
-  const [redTeams, setRedTeams] = useState<Record<string, any>[]>([]);
+  const [preMortems, setPreMortems] = useState<PreMortemItem[]>([]);
+  const [redTeams, setRedTeams] = useState<RedTeamItem[]>([]);
   const [isLoading, setIsLoading] = useState(true);
   const [input, setInput] = useState("");
   const [perspective, setPerspective] = useState("competitor");
@@ -19,8 +36,8 @@ export default function PreMortemsPage() {
   useEffect(() => {
     Promise.all([listPreMortems(), listRedTeams()])
       .then(([pm, rt]) => {
-        setPreMortems((pm.data as Record<string, any>[]) ?? []);
-        setRedTeams((rt.data as Record<string, any>[]) ?? []);
+        setPreMortems((pm.data as PreMortemItem[]) ?? []);
+        setRedTeams((rt.data as RedTeamItem[]) ?? []);
       })
       .catch(() => {
         setPreMortems([]);
@@ -37,11 +54,11 @@ export default function PreMortemsPage() {
     try {
       if (tab === "pre-mortem") {
         const resp = await runPreMortem(input);
-        setPreMortems([resp.data as Record<string, any>, ...preMortems]);
+        setPreMortems([resp.data as PreMortemItem, ...preMortems]);
         toast.success("Pre-mortem 分析完成");
       } else {
         const resp = await runRedTeam(input, perspective);
-        setRedTeams([resp.data as Record<string, any>, ...redTeams]);
+        setRedTeams([resp.data as RedTeamItem, ...redTeams]);
         toast.success("Red Team 分析完成");
       }
     } catch {
@@ -103,7 +120,7 @@ export default function PreMortemsPage() {
                 <h3 className="font-medium text-gray-900">{item.decision_context as string}</h3>
                 {Array.isArray(item.failure_paths) && (
                   <div className="mt-2 space-y-1">
-                    {(item.failure_paths as Record<string, any>[]).map((fp, fi) => (
+                    {(item.failure_paths as FailurePath[]).map((fp, fi) => (
                       <p key={fi} className="text-xs text-gray-500">• {String(fp.path ?? fp)}</p>
                     ))}
                   </div>