feat(frontend/admin): M10 后台管理面板（/admin hash 路由 + 15 大模块 + RBAC(owner/admin/viewer) + 审计 + Miuix）；Docs/api-client.md v0.3 契约补全；tsc+vite build 通过

frontend/web/src/admin/router.ts

@@ -0,0 +1,71 @@
+/**
+ * Hash-based admin routing. The M9 SPA uses a state store (useModeStore) instead
+ * of react-router, so the admin subsystem stays consistent: it is entered via
+ * `#/admin` and each module is a hash segment (`#/admin/personas`, ...). Keeps
+ * the build dependency-free and works behind the single-binary gateway serving
+ * `base: "./"`.
+ */
+
+export type AdminSectionId =
+  | "dashboard"
+  | "personas"
+  | "sessions"
+  | "memories"
+  | "plugins"
+  | "channels"
+  | "iot"
+  | "rag"
+  | "llm"
+  | "automations"
+  | "agents"
+  | "backthink"
+  | "observability"
+  | "system"
+  | "users";
+
+export interface AdminRoute {
+  admin: boolean;
+  section: AdminSectionId;
+}
+
+const VALID_SECTIONS: ReadonlySet<string> = new Set([
+  "dashboard",
+  "personas",
+  "sessions",
+  "memories",
+  "plugins",
+  "channels",
+  "iot",
+  "rag",
+  "llm",
+  "automations",
+  "agents",
+  "backthink",
+  "observability",
+  "system",
+  "users",
+]);
+
+/** Parse a `window.location.hash` into an admin route descriptor. */
+export function parseAdminHash(hash: string): AdminRoute {
+  const raw = hash.replace(/^#/, "").replace(/^\/+/, "").split("/");
+  if (raw[0] !== "admin") return { admin: false, section: "dashboard" };
+  const section = raw[1];
+  return {
+    admin: true,
+    section: VALID_SECTIONS.has(section) ? (section as AdminSectionId) : "dashboard",
+  };
+}
+
+/** The hash that selects the admin root (dashboard). */
+export const ADMIN_ROOT_HASH = "#/admin";
+
+/** Build a hash for a given admin section. */
+export function adminSectionHash(section: AdminSectionId): string {
+  return section === "dashboard" ? ADMIN_ROOT_HASH : `#/admin/${section}`;
+}
+
+/** Navigate to an admin section by setting the location hash. */
+export function navigateAdmin(section: AdminSectionId): void {
+  window.location.hash = adminSectionHash(section);
+}