Add public map with JWT admin login and protect admin APIs.

Keep map reads open; gate admin UI/nav and object mutations behind env-based admin credentials, and default parser batch limit to 10.

Co-authored-by: Cursor <cursoragent@cursor.com>

centers/analytics/frontend/src/composables/useAuth.ts

@@ -0,0 +1,41 @@
+import { computed, ref } from "vue";
+import { useRouter } from "vue-router";
+
+import { clearToken, getToken, isAuthenticated, login as doLogin, logout as doLogout } from "../auth";
+
+export function useAuth() {
+  const router = useRouter();
+  const busy = ref(false);
+  const error = ref("");
+
+  const authenticated = computed(() => isAuthenticated.value);
+
+  async function login(username: string, password: string): Promise<boolean> {
+    busy.value = true;
+    error.value = "";
+    try {
+      await doLogin(username, password);
+      return true;
+    } catch (err) {
+      clearToken();
+      error.value = err instanceof Error ? err.message : "Не удалось войти";
+      return false;
+    } finally {
+      busy.value = false;
+    }
+  }
+
+  function logout(): void {
+    doLogout();
+    void router.push({ name: "map" });
+  }
+
+  return {
+    authenticated,
+    busy,
+    error,
+    getToken,
+    login,
+    logout,
+  };
+}