diff --git a/apps/web/src/components/admin/register-key-modal.vue b/apps/web/src/components/admin/register-key-modal.vue
new file mode 100644
index 0000000..16f2646
--- /dev/null
+++ b/apps/web/src/components/admin/register-key-modal.vue
@@ -0,0 +1,200 @@
+<script setup lang="ts">
+/**
+ * 登记 Key：sk-key 明文在 web 的唯一露面处（交互-key管理 §2）
+ */
+import { computed, reactive, ref, watch } from "vue";
+import type { MemberItem } from "@new-api-key-usage/core";
+import type { ApiError } from "@/api/http.ts";
+import { useCreateMember, useRegisterKey } from "@/queries/admin.ts";
+
+const props = defineProps<{
+  open: boolean;
+  members: MemberItem[];
+}>();
+
+const emit = defineEmits<{
+  (e: "update:open", v: boolean): void;
+  (e: "registered", keyId: number): void;
+}>();
+
+const register = useRegisterKey();
+const createMember = useCreateMember();
+
+const form = reactive({
+  sk_key: "",
+  member_id: null as number | "unassigned" | null,
+});
+const resultMsg = ref<{ type: "success" | "error" | "warning"; text: string } | null>(
+  null,
+);
+const showNewMember = ref(false);
+const newMemberName = ref("");
+const newMemberRemark = ref("");
+
+watch(
+  () => props.open,
+  (v) => {
+    if (!v) {
+      form.sk_key = "";
+      form.member_id = null;
+      resultMsg.value = null;
+      showNewMember.value = false;
+      newMemberName.value = "";
+      newMemberRemark.value = "";
+    }
+  },
+);
+
+const memberOptions = computed(() => [
+  { value: "unassigned", label: "未归属" },
+  ...props.members.map((m) => ({ value: m.id, label: m.name })),
+]);
+
+async function onSubmit() {
+  resultMsg.value = null;
+  if (!form.sk_key.trim()) {
+    resultMsg.value = { type: "warning", text: "请粘贴 sk-key" };
+    return;
+  }
+  try {
+    const key = await register.mutateAsync({
+      sk_key: form.sk_key.trim(),
+      member_id:
+        form.member_id === "unassigned" || form.member_id == null
+          ? null
+          : form.member_id,
+    });
+    resultMsg.value = {
+      type: "success",
+      text: "已登记，首轮同步进行中（约 5 分钟内完成）",
+    };
+    emit("registered", key.id);
+  } catch (e) {
+    const err = e as ApiError;
+    if (err.status === 409) {
+      resultMsg.value = {
+        type: "warning",
+        text: "该 key 已在清单中",
+      };
+      if (err.keyId != null) emit("registered", err.keyId);
+    } else if (err.status === 422) {
+      // 上游拒绝 vs 本地表单校验（如 sk- 前缀）文案不同
+      const fieldMsg = err.fields?.sk_key;
+      resultMsg.value = {
+        type: "error",
+        text:
+          fieldMsg ??
+          (err.code === "validation_failed"
+            ? err.message || "请检查填写内容"
+            : "上游拒绝了这枚 key——可能不存在或已被禁用"),
+      };
+    } else if (err.status === 502 || err.status === 0) {
+      resultMsg.value = {
+        type: "error",
+        text: "上游站点暂时不可达，请稍后重试",
+      };
+    } else {
+      resultMsg.value = {
+        type: "error",
+        text: err.message || "登记失败，请稍后重试",
+      };
+    }
+  }
+}
+
+async function onCreateMember() {
+  const name = newMemberName.value.trim();
+  if (!name) return;
+  try {
+    const m = await createMember.mutateAsync({
+      name,
+      remark: newMemberRemark.value.trim(),
+    });
+    form.member_id = m.id;
+    showNewMember.value = false;
+    newMemberName.value = "";
+    newMemberRemark.value = "";
+    resultMsg.value = { type: "success", text: `已新建成员「${m.name}」并选为归属` };
+  } catch (e) {
+    const err = e as ApiError;
+    resultMsg.value = { type: "error", text: err.message || "新建成员失败" };
+  }
+}
+</script>
+
+<template>
+  <a-modal
+    :open="open"
+    title="登记 Key"
+    :confirm-loading="register.isPending.value"
+    ok-text="登记"
+    cancel-text="取消"
+    @update:open="emit('update:open', $event)"
+    @ok="onSubmit"
+  >
+    <a-form layout="vertical">
+      <a-form-item label="sk-key" required>
+        <a-textarea
+          v-model:value="form.sk_key"
+          :rows="4"
+          placeholder="粘贴你在 NewAPI 创建的 sk-…"
+        />
+        <div class="register-key__note">
+          粘贴后立即加密存储，界面不再回显明文
+        </div>
+      </a-form-item>
+      <a-form-item label="归属成员">
+        <a-select
+          v-model:value="form.member_id"
+          :options="memberOptions"
+          placeholder="未归属"
+          allow-clear
+        />
+        <a-button
+          type="link"
+          size="small"
+          style="padding-left: 0"
+          @click="showNewMember = !showNewMember"
+        >
+          + 新建成员
+        </a-button>
+      </a-form-item>
+      <a-form-item v-if="showNewMember" label="新成员名称">
+        <a-input
+          v-model:value="newMemberName"
+          placeholder="成员名称"
+          @press-enter="onCreateMember"
+        />
+        <a-input
+          v-model:value="newMemberRemark"
+          placeholder="备注（可选）"
+          style="margin-top: 8px"
+        />
+        <a-button
+          type="primary"
+          size="small"
+          style="margin-top: 8px"
+          :loading="createMember.isPending.value"
+          @click="onCreateMember"
+        >
+          创建并选用
+        </a-button>
+      </a-form-item>
+      <a-alert
+        v-if="resultMsg"
+        :type="resultMsg.type"
+        show-icon
+        :message="resultMsg.text"
+      />
+    </a-form>
+  </a-modal>
+</template>
+
+<style scoped>
+.register-key__note {
+  margin-top: 4px;
+  font-size: 12px;
+  line-height: 20px;
+  color: rgba(0, 0, 0, 0.45);
+}
+</style>
diff --git a/apps/web/src/views/admin/keys-view.vue b/apps/web/src/views/admin/keys-view.vue
index dffbf0f..47572f9 100644
--- a/apps/web/src/views/admin/keys-view.vue
+++ b/apps/web/src/views/admin/keys-view.vue
@@ -1,13 +1,368 @@
 <script setup lang="ts">
+/**
+ * Key 管理（交互设计-key管理）：清单表 · 行内归属/启停 · 登记 · 停滞显形
+ */
+import { computed, h, ref, watch } from "vue";
+import { Tooltip, message } from "antdv-next";
+import { QuestionCircleOutlined } from "@antdv-next/icons";
+import { useRoute, useRouter } from "vue-router";
+import type { KeyItem } from "@new-api-key-usage/core";
+import type { ApiError } from "@/api/http.ts";
 import PageHeader from "@/components/common/page-header.vue";
+import RegisterKeyModal from "@/components/admin/register-key-modal.vue";
+import { useEngine, useKeys, useMembers, usePatchKey } from "@/queries/admin.ts";
+import { formatInt } from "@/utils/format.ts";
+import { formatMinute, hoursSince } from "@/utils/time.ts";
+
+const route = useRoute();
+const router = useRouter();
+
+const registerOpen = ref(false);
+const highlightKeyId = ref<number | null>(null);
+
+const filterMember = ref<number | "unassigned" | null>(null);
+const filterStatus = ref<"active" | "disabled" | null>(null);
+const filterRecentFailed = ref(false);
+
+/** URL → 筛选（总览跳入） */
+function syncFromRoute() {
+  const q = route.query;
+  const m = q.member_id;
+  if (m === "unassigned") filterMember.value = "unassigned";
+  else if (typeof m === "string" && m) filterMember.value = Number(m);
+  else filterMember.value = null;
+
+  if (q.status === "active" || q.status === "disabled") filterStatus.value = q.status;
+  else filterStatus.value = null;
+
+  filterRecentFailed.value = q.recent_failed === "1" || q.recent_failed === "true";
+
+  const kid = q.key_id;
+  highlightKeyId.value = typeof kid === "string" && kid ? Number(kid) : null;
+}
+syncFromRoute();
+watch(
+  () => route.query,
+  () => syncFromRoute(),
+);
+
+function pushQuery() {
+  const query: Record<string, string> = {};
+  if (filterMember.value === "unassigned") query.member_id = "unassigned";
+  else if (filterMember.value != null) query.member_id = String(filterMember.value);
+  if (filterStatus.value) query.status = filterStatus.value;
+  if (filterRecentFailed.value) query.recent_failed = "1";
+  if (highlightKeyId.value != null) query.key_id = String(highlightKeyId.value);
+  void router.replace({ path: "/admin/keys", query });
+}
+
+watch([filterMember, filterStatus, filterRecentFailed], () => {
+  pushQuery();
+});
+
+const filters = computed(() => ({
+  member_id: filterMember.value ?? undefined,
+  status: filterStatus.value ?? undefined,
+  recent_failed: filterRecentFailed.value ? true : undefined,
+}));
+
+const keysQuery = useKeys(() => filters.value);
+const engineQuery = useEngine();
+const membersQuery = useMembers();
+const patchKey = usePatchKey();
+
+const rows = computed(() => {
+  const list = [...(keysQuery.data.value ?? [])];
+  // 异常在前：无截止/停滞 → 旧截止 → 新截止（交互：停滞预警）
+  list.sort((a, b) => {
+    const ta = a.log_synced_at ?? 0;
+    const tb = b.log_synced_at ?? 0;
+    return ta - tb;
+  });
+  return list;
+});
+
+const failedCount = computed(
+  () => engineQuery.data.value?.last_round?.failed ?? 0,
+);
+
+const hasActiveFilter = computed(
+  () =>
+    filterMember.value != null ||
+    filterStatus.value != null ||
+    filterRecentFailed.value,
+);
+
+const memberOptions = computed(() => [
+  { value: "unassigned", label: "未归属" },
+  ...(membersQuery.data.value ?? []).map((m) => ({ value: m.id, label: m.name })),
+]);
+
+function isStalled(logSyncedAt: number | null | undefined): boolean {
+  const h = hoursSince(logSyncedAt);
+  return h != null && h > 2;
+}
+
+function tipTitle(label: string, tip: string) {
+  return h("span", { class: "overview-col-title" }, [
+    label,
+    h(
+      Tooltip,
+      { title: tip },
+      () =>
+        h(QuestionCircleOutlined, {
+          class: "overview-col-title__icon",
+          "aria-hidden": "true",
+        }),
+    ),
+  ]);
+}
+
+const columns = [
+  { title: "名称", key: "token_name", width: 160 },
+  { title: "归属", key: "member_name", width: 140 },
+  { title: "状态", key: "status", width: 100 },
+  {
+    title: tipTitle(
+      "数据截止",
+      "该 key 最近一次日志同步成功的时刻；落后超过 2 小时标为停滞。检查引擎日志；若持续 401 请停用",
+    ),
+    key: "data_cutoff",
+    width: 170,
+  },
+  {
+    title: tipTitle("累计已用", "上游累计已消耗额度（quota）"),
+    key: "total_used",
+  },
+  {
+    title: tipTitle("剩余", "上游剩余可用额度；不限额度显示「不限」"),
+    key: "total_available",
+  },
+  { title: "登记时间", key: "registered_at", width: 160 },
+  { title: "操作", key: "actions", width: 120 },
+];
+
+async function onMemberChange(
+  record: KeyItem,
+  memberId: number | "unassigned" | null,
+) {
+  const next = memberId === "unassigned" || memberId == null ? null : memberId;
+  try {
+    await patchKey.mutateAsync({ id: record.id, body: { member_id: next } });
+    message.success("归属已更新");
+  } catch (e) {
+    message.error((e as ApiError).message || "归属更新失败");
+  }
+}
+
+async function onToggleStatus(record: KeyItem) {
+  const next = record.status === "active" ? "disabled" : "active";
+  try {
+    await patchKey.mutateAsync({ id: record.id, body: { status: next } });
+    if (next === "disabled") {
+      message.success("已停用——移出轮询清单，数据保留");
+    } else {
+      message.success("已启用——下一轮同步（≤5 分钟）将自动验证");
+    }
+  } catch (e) {
+    message.error((e as ApiError).message || "状态更新失败");
+  }
+}
+
+function onRegistered(keyId: number) {
+  highlightKeyId.value = keyId;
+  pushQuery();
+  void keysQuery.refetch();
+}
+
+function onFailedClick() {
+  filterRecentFailed.value = !filterRecentFailed.value;
+}
+
+function onRowClass(record: KeyItem) {
+  return record.id === highlightKeyId.value ? "key-row--highlight" : "";
+}
 </script>
 
 <template>
   <section>
-    <PageHeader
-      title="Key 管理"
-      subtitle="登记、启停、归属（信息结构见交互设计-key管理）"
+    <PageHeader title="Key 管理" subtitle="登记、启停、归属与同步显形">
+      <template #actions>
+        <a-button type="primary" @click="registerOpen = true">登记 Key</a-button>
+      </template>
+    </PageHeader>
+
+    <div class="keys-toolbar">
+      <span class="keys-toolbar__summary">
+        <template v-if="failedCount > 0">
+          最近轮次失败
+          <a-button type="link" size="small" @click="onFailedClick">
+            {{ failedCount }} 枚
+          </a-button>
+          （点击筛选）
+        </template>
+        <template v-else>最近轮次无失败 key</template>
+      </span>
+      <a-space wrap>
+        <a-select
+          v-model:value="filterMember"
+          :options="[
+            { value: null, label: '全部成员' },
+            { value: 'unassigned', label: '未归属' },
+            ...(membersQuery.data.value?.map((m) => ({ value: m.id, label: m.name })) ?? []),
+          ]"
+          style="width: 140px"
+          placeholder="成员"
+          allow-clear
+        />
+        <a-select
+          v-model:value="filterStatus"
+          :options="[
+            { value: null, label: '全部状态' },
+            { value: 'active', label: '启用中' },
+            { value: 'disabled', label: '已停用' },
+          ]"
+          style="width: 120px"
+          placeholder="状态"
+          allow-clear
+        />
+        <a-checkbox v-model:checked="filterRecentFailed">最近轮次失败</a-checkbox>
+      </a-space>
+    </div>
+
+    <a-empty
+      v-if="!keysQuery.isPending.value && rows.length === 0"
+      :description="
+        hasActiveFilter
+          ? '当前筛选条件下没有 key——可清除筛选，或登记新的 key'
+          : '还没有登记任何 key——把你在 NewAPI 创建的 sk-key 粘贴进来'
+      "
+    >
+      <a-button v-if="!hasActiveFilter" type="primary" @click="registerOpen = true">
+        登记 Key
+      </a-button>
+    </a-empty>
+
+    <a-table
+      v-else
+      :columns="columns"
+      :data-source="rows"
+      :row-key="(r: KeyItem) => r.id"
+      :loading="keysQuery.isPending.value || keysQuery.isFetching.value"
+      :pagination="false"
+      :scroll="{ x: 1100 }"
+      :row-class-name="onRowClass"
+      size="middle"
+    >
+      <template #bodyCell="{ column, record }">
+        <template v-if="column.key === 'token_name'">
+          {{ record.token_name }}
+        </template>
+        <template v-else-if="column.key === 'member_name'">
+          <a-select
+            :value="record.member_id == null ? 'unassigned' : record.member_id"
+            :options="memberOptions"
+            size="small"
+            style="width: 120px"
+            @change="(v: number | 'unassigned') => onMemberChange(record, v)"
+          />
+        </template>
+        <template v-else-if="column.key === 'status'">
+          <a-badge
+            :status="record.status === 'active' ? 'success' : 'default'"
+            :text="record.status === 'active' ? '启用中' : '已停用'"
+          />
+        </template>
+        <template v-else-if="column.key === 'data_cutoff'">
+          <a-tooltip
+            v-if="isStalled(record.log_synced_at)"
+            title="检查引擎日志；若持续 401 请停用"
+          >
+            <span class="keys-stall">{{ formatMinute(record.log_synced_at) }} 停滞</span>
+          </a-tooltip>
+          <span v-else-if="record.log_synced_at == null" class="keys-syncing">
+            同步中…
+          </span>
+          <span v-else>{{ formatMinute(record.log_synced_at) }}</span>
+        </template>
+        <template v-else-if="column.key === 'total_used'">
+          <span class="keys-num">{{ formatInt(record.total_used) }}</span>
+        </template>
+        <template v-else-if="column.key === 'total_available'">
+          <span class="keys-num">
+            {{ record.unlimited_quota ? "不限" : formatInt(record.total_available) }}
+          </span>
+        </template>
+        <template v-else-if="column.key === 'registered_at'">
+          {{ formatMinute(record.registered_at) }}
+        </template>
+        <template v-else-if="column.key === 'actions'">
+          <a-popconfirm
+            v-if="record.status === 'active'"
+            title="停用后移出轮询清单（数据保留）。成员若仍在用它调用 API 不受影响——只有采集停止。"
+            ok-text="停用"
+            cancel-text="取消"
+            @confirm="() => onToggleStatus(record)"
+          >
+            <a-button size="small" danger>停用</a-button>
+          </a-popconfirm>
+          <a-button v-else size="small" @click="() => onToggleStatus(record)">
+            启用
+          </a-button>
+        </template>
+      </template>
+    </a-table>
+
+    <RegisterKeyModal
+      v-model:open="registerOpen"
+      :members="membersQuery.data.value ?? []"
+      @registered="onRegistered"
     />
-    <a-skeleton active :paragraph="{ rows: 4 }" />
   </section>
 </template>
+
+<style scoped>
+.keys-toolbar {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px 16px;
+  margin-bottom: 16px;
+}
+
+.keys-toolbar__summary {
+  font-size: 13px;
+  color: rgba(0, 0, 0, 0.65);
+}
+
+.keys-stall {
+  color: #d48806;
+  font-weight: 600;
+}
+
+.keys-syncing {
+  color: rgba(0, 0, 0, 0.45);
+}
+
+.keys-num {
+  font-variant-numeric: tabular-nums;
+}
+
+:deep(.key-row--highlight) {
+  background: #e6f4ff;
+}
+
+.overview-col-title {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  white-space: nowrap;
+}
+
+.overview-col-title__icon {
+  font-size: 12px;
+  color: rgba(0, 0, 0, 0.45);
+  cursor: help;
+}
+</style>