feat: add MCP research access and browser key management

frontend/src/ai/workspace.ts

@@ -1,7 +1,10 @@
 import type { PageContext, UIAction } from "./types";
 
-export type WorkspacePage = PageContext["page"];
-const contextLabels: Record<WorkspacePage, (context: PageContext) => string> = {
+export type WorkspacePage = PageContext["page"] | "mcp-keys";
+const contextLabels: Record<
+  PageContext["page"],
+  (context: PageContext) => string
+> = {
   alphas: (context) =>
     `上下文：${context.alpha_id ? `Alpha ${context.alpha_id}` : "Alpha 列表"}${context.selected_ids?.length ? ` · 已选 ${context.selected_ids.length} 条` : ""}`,
   operators: () => "上下文：算子库",
@@ -24,8 +27,9 @@ export function contextLabel(context: PageContext): string {
 }
 
 export function pageFromHash(hash: string): WorkspacePage {
-  const value = hash.replace(/^#/, "");
+  const value = hash.replace(/^#/, "").split("?")[0];
   const page = value.startsWith("quantflow/") ? "quantflow" : value;
+  if (page === "mcp-keys") return page;
   return Object.hasOwn(contextLabels, page)
     ? (page as WorkspacePage)
     : "alphas";