feat(web): 前端逻辑骨架——http/router/stores/queries 与薄壳路由

apps/web/src/views/member/home-view.vue

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+<script setup lang="ts">
+/** 成员单页占位——聚合 + 来源徽章 + 明细（交互设计-成员视图） */
+</script>
+
+<template>
+  <section>
+    <h1>我的用量</h1>
+    <p>总用量、来源分解、key 窄卡、支付参数与明细（占位，待 UI 设计）。</p>
+  </section>
+</template>

apps/web/src/views/member/login-view.vue

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+<script setup lang="ts">
+/** 成员令牌登录壳——明文仅存 sessionStorage（交互登录篇 §4） */
+import { ref } from "vue";
+import { useRouter } from "vue-router";
+import { useMemberTokenStore } from "@/stores/member-token.ts";
+import { fetchMe } from "@/api/member/me.ts";
+
+const router = useRouter();
+const tokenStore = useMemberTokenStore();
+const token = ref("");
+const error = ref("");
+const pending = ref(false);
+
+async function onSubmit() {
+  error.value = "";
+  pending.value = true;
+  try {
+    tokenStore.setToken(token.value.trim());
+    const me = await fetchMe();
+    tokenStore.setMemberName(me.name);
+    void router.replace({ name: "member-home" });
+  } catch {
+    tokenStore.clearToken();
+    error.value = "令牌无效或已停用";
+  } finally {
+    pending.value = false;
+  }
+}
+</script>
+
+<template>
+  <div class="member-login">
+    <h1>成员入口</h1>
+    <form @submit.prevent="onSubmit">
+      <label>
+        令牌
+        <input v-model="token" name="token" type="password" required />
+      </label>
+      <button type="submit" :disabled="pending">进入</button>
+    </form>
+    <p v-if="error" role="alert">{{ error }}</p>
+  </div>
+</template>
+
+<style scoped>
+.member-login {
+  max-width: 360px;
+  margin: 12vh auto;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+.member-login label {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+</style>