feat(ops-web/auth): add remember-me with session/local storage split

Persistent logins land in localStorage, ephemeral ones in sessionStorage,
and we recall the last username + remember preference on the login form.
Also propagate the indigo brand color through the antd ConfigProvider
theme token so the side nav and avatar match the redesigned login.

apps/ops-web/src/stores/auth.ts

@@ -5,7 +5,9 @@ import { http } from "@/lib/http";
 import {
   type OperatorView,
   clearStoredSession,
+  readLoginPreference,
   readStoredSession,
+  writeLoginPreference,
   writeStoredSession,
 } from "@/lib/storage";
 
@@ -20,25 +22,32 @@ export const useAuthStore = defineStore("ops-auth", () => {
   const expiresAt = ref<number | null>(null);
   const operator = ref<OperatorView | null>(null);
   const initialized = ref(false);
+  const persistent = ref(false);
 
   function hydrate(): void {
     const stored = readStoredSession();
-    accessToken.value = stored.accessToken;
-    expiresAt.value = stored.expiresAt;
-    operator.value = stored.operator;
+    accessToken.value = stored.session.accessToken;
+    expiresAt.value = stored.session.expiresAt;
+    operator.value = stored.session.operator;
+    persistent.value = stored.persistent;
     initialized.value = true;
   }
 
-  async function login(username: string, password: string): Promise<void> {
+  async function login(username: string, password: string, remember: boolean): Promise<void> {
     const result = await http.post<LoginResponse>("/auth/login", { username, password });
     accessToken.value = result.access_token;
     expiresAt.value = result.expires_at;
     operator.value = result.operator;
-    writeStoredSession({
-      accessToken: result.access_token,
-      expiresAt: result.expires_at,
-      operator: result.operator,
-    });
+    persistent.value = remember;
+    writeStoredSession(
+      {
+        accessToken: result.access_token,
+        expiresAt: result.expires_at,
+        operator: result.operator,
+      },
+      remember,
+    );
+    writeLoginPreference({ remember, lastUsername: username });
   }
 
   async function refreshSelf(): Promise<void> {
@@ -53,11 +62,14 @@ export const useAuthStore = defineStore("ops-auth", () => {
         role: me.role,
         status: me.status,
       };
-      writeStoredSession({
-        accessToken: accessToken.value,
-        expiresAt: expiresAt.value,
-        operator: operator.value,
-      });
+      writeStoredSession(
+        {
+          accessToken: accessToken.value,
+          expiresAt: expiresAt.value,
+          operator: operator.value,
+        },
+        persistent.value,
+      );
     } catch {
       logout();
     }
@@ -67,6 +79,7 @@ export const useAuthStore = defineStore("ops-auth", () => {
     accessToken.value = null;
     expiresAt.value = null;
     operator.value = null;
+    persistent.value = false;
     clearStoredSession();
   }
 
@@ -78,9 +91,11 @@ export const useAuthStore = defineStore("ops-auth", () => {
     operator,
     initialized,
     isAuthenticated,
+    persistent,
     hydrate,
     login,
     refreshSelf,
     logout,
+    readLoginPreference,
   };
 });