家庭守护圈：多人加入、角色权限、24 小时邀请链接、旧设备绑定自动兼容。

家庭动态：老人/家属发言、三种可见范围，家庭内部内容不会播给老人。
共同照护：家庭备忘录、任务创建、认领、完成与交接记录。
用药闭环：计划、未来 7 天提醒实例、确认服用、延后、异常反馈。
风险闭环：红橙黄蓝分级、30 分钟去重、推送、认领、处理与误报记录。
报平安：家属发起、老人语音回应、状态同步。
Web 导航升级为守护、家庭、照护、陪伴、我的。
设备接口已升级为设备令牌认证，UUID 不再单独承担认证。

app/api/alerts/route.ts

@@ -0,0 +1,13 @@
+import { NextResponse } from "next/server";
+import { updateAlert } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function PATCH(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const body = await request.json().catch(() => ({})) as Record<string, unknown>;
+    const alert = await updateAlert(caregiver.id, String(body.alertId || ""), String(body.action || ""), body.note);
+    return NextResponse.json({ ok: true, alert });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "更新提醒失败。" }, { status: 400 }); }
+}

app/api/care-tasks/route.ts

@@ -0,0 +1,22 @@
+import { NextResponse } from "next/server";
+import { createCareTask, updateCareTask } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function POST(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const task = await createCareTask(caregiver.id, await request.json().catch(() => ({})));
+    return NextResponse.json({ ok: true, task });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "创建任务失败。" }, { status: 400 }); }
+}
+
+export async function PATCH(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const body = await request.json().catch(() => ({})) as Record<string, unknown>;
+    const task = await updateCareTask(caregiver.id, String(body.taskId || ""), String(body.action || ""), body.note);
+    return NextResponse.json({ ok: true, task });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "更新任务失败。" }, { status: 400 }); }
+}

app/api/check-ins/route.ts

@@ -0,0 +1,12 @@
+import { NextResponse } from "next/server";
+import { createCheckIn } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function POST(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const checkIn = await createCheckIn(caregiver.id, await request.json().catch(() => ({})));
+    return NextResponse.json({ ok: true, checkIn });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "发起报平安失败。" }, { status: 400 }); }
+}

app/api/device/agenda/route.ts

@@ -0,0 +1,18 @@
+import { NextResponse } from "next/server";
+import { requireDeviceAuth } from "@/lib/device-auth";
+import { getDeviceAgenda } from "@/lib/family-guard";
+
+export async function GET(request: Request) {
+  const deviceUuid = new URL(request.url).searchParams.get("deviceUuid") || "";
+  try {
+    await requireDeviceAuth(request, deviceUuid);
+    const agenda = await getDeviceAgenda(deviceUuid);
+    return NextResponse.json({
+      circleName: agenda.circle?.name || null,
+      posts: agenda.posts.map((post) => ({ id: post.id, content: post.content, authorName: post.author?.nickname || post.author?.username || "家里人", createdAt: post.createdAt })),
+      memos: agenda.memos.map((memo) => ({ id: memo.id, title: memo.title, content: memo.content, priority: memo.priority })),
+      doses: agenda.doses.map((dose) => ({ id: dose.id, scheduledFor: dose.scheduledFor, status: dose.status, name: dose.medicationPlan.name, dosage: dose.medicationPlan.dosage, instructions: dose.medicationPlan.instructions })),
+      checkIns: agenda.checkIns,
+    });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "读取今日照护事项失败。" }, { status: 401 }); }
+}

app/api/device/alerts/route.ts

@@ -0,0 +1,15 @@
+import { NextResponse } from "next/server";
+import { requireDeviceAuth } from "@/lib/device-auth";
+import { createSafetyAlertForDevice } from "@/lib/family-guard";
+import { sendGuardAlertPush } from "@/lib/push";
+
+export async function POST(request: Request) {
+  const body = await request.json().catch(() => ({})) as Record<string, unknown>;
+  const deviceUuid = typeof body.deviceUuid === "string" ? body.deviceUuid : "";
+  try {
+    await requireDeviceAuth(request, deviceUuid);
+    const result = await createSafetyAlertForDevice(deviceUuid, body);
+    if (!result.deduplicated) void sendGuardAlertPush(result.alert.id).catch(() => undefined);
+    return NextResponse.json({ ok: true, alertId: result.alert.id, deduplicated: result.deduplicated });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "创建风险提醒失败。" }, { status: 400 }); }
+}

app/api/device/content/route.ts

@@ -0,0 +1 @@
+export { GET } from "@/app/api/device/agenda/route";

app/api/device/conversations/route.ts

@@ -2,6 +2,7 @@ import { ConversationRole } from "@prisma/client";
 import { NextResponse } from "next/server";
 
 import { recordConversationTurns } from "@/lib/monitor-data";
+import { requireDeviceAuth } from "@/lib/device-auth";
 
 function toConversationRole(rawRole: unknown) {
   switch (rawRole) {
@@ -55,6 +56,7 @@ export async function POST(request: Request) {
   }
 
   try {
+    await requireDeviceAuth(request, body.deviceUuid);
     const result = await recordConversationTurns({
       deviceUuid: body.deviceUuid,
       sessionId: typeof body.sessionId === "string" ? body.sessionId : undefined,
@@ -71,4 +73,4 @@ export async function POST(request: Request) {
       { status: 400 },
     );
   }
-}
+}

app/api/device/events/route.ts

@@ -0,0 +1,28 @@
+import { CheckInStatus, MedicationDoseStatus } from "@prisma/client";
+import { NextResponse } from "next/server";
+import { requireDeviceAuth } from "@/lib/device-auth";
+import { respondCheckIn, updateMedicationDose } from "@/lib/family-guard";
+
+export async function POST(request: Request) {
+  const body = await request.json().catch(() => ({})) as Record<string, unknown>;
+  const deviceUuid = typeof body.deviceUuid === "string" ? body.deviceUuid : "";
+  try {
+    await requireDeviceAuth(request, deviceUuid);
+    if (body.type === "MEDICATION") {
+      const allowed = Object.values(MedicationDoseStatus);
+      const status = allowed.includes(body.status as MedicationDoseStatus) ? body.status as MedicationDoseStatus : MedicationDoseStatus.NEEDS_FAMILY_CONFIRMATION;
+      const dose = await updateMedicationDose(deviceUuid, String(body.doseId || ""), status, body.note, Number(body.snoozeMinutes || 10));
+      return NextResponse.json({ ok: true, dose });
+    }
+    if (body.type === "CHECK_IN") {
+      const status = body.status === CheckInStatus.SAFE
+        ? CheckInStatus.SAFE
+        : body.status === CheckInStatus.DECLINED
+          ? CheckInStatus.DECLINED
+          : CheckInStatus.NEEDS_CONTACT;
+      const checkIn = await respondCheckIn(deviceUuid, String(body.checkInId || ""), status, body.responseText);
+      return NextResponse.json({ ok: true, checkIn });
+    }
+    throw new Error("不支持的设备事件类型。");
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "保存照护反馈失败。" }, { status: 400 }); }
+}

app/api/device/messages/read/route.ts

@@ -1,6 +1,7 @@
 import { NextResponse } from "next/server";
 
 import { markFamilyMessagesAsRead } from "@/lib/monitor-data";
+import { requireDeviceAuth } from "@/lib/device-auth";
 
 export async function POST(request: Request) {
   const body = (await request.json().catch(() => null)) as
@@ -24,6 +25,7 @@ export async function POST(request: Request) {
     : undefined;
 
   try {
+    await requireDeviceAuth(request, body.deviceUuid);
     await markFamilyMessagesAsRead(body.deviceUuid, messageIds);
 
     return NextResponse.json({ ok: true });
@@ -36,4 +38,4 @@ export async function POST(request: Request) {
       { status: 400 },
     );
   }
-}
+}

app/api/device/messages/route.ts

@@ -1,6 +1,7 @@
 import { NextRequest, NextResponse } from "next/server";
 
 import { listFamilyMessagesForDevice } from "@/lib/monitor-data";
+import { requireDeviceAuth } from "@/lib/device-auth";
 
 export async function GET(request: NextRequest) {
   const rawDeviceValue =
@@ -20,6 +21,7 @@ export async function GET(request: NextRequest) {
   }
 
   try {
+    await requireDeviceAuth(request, rawDeviceValue);
     const data = await listFamilyMessagesForDevice(rawDeviceValue, take);
 
     return NextResponse.json({
@@ -45,4 +47,4 @@ export async function GET(request: NextRequest) {
       { status: 400 },
     );
   }
-}
+}

app/api/device/register/route.ts

@@ -1,6 +1,8 @@
 import { NextResponse } from "next/server";
 
 import { createBindUrl, ensureDeviceRegistration } from "@/lib/monitor-data";
+import { createDeviceToken, hashDeviceToken } from "@/lib/device-auth";
+import { prisma } from "@/lib/prisma";
 
 export async function POST(request: Request) {
   const body = (await request.json().catch(() => null)) as
@@ -8,6 +10,7 @@ export async function POST(request: Request) {
         deviceUuid?: string;
         displayName?: string;
         appVersion?: string;
+        deviceToken?: string;
       }
     | null;
 
@@ -26,10 +29,20 @@ export async function POST(request: Request) {
       appVersion:
         typeof body.appVersion === "string" ? body.appVersion : undefined,
     });
+    const suppliedToken = typeof body.deviceToken === "string" ? body.deviceToken.trim() : "";
+    const tokenMatches = suppliedToken && device.deviceTokenHash === hashDeviceToken(suppliedToken);
+    if (device.deviceTokenHash && !tokenMatches) {
+      return NextResponse.json({ error: "设备认证失败，不能覆盖已注册设备。" }, { status: 401 });
+    }
+    const deviceToken = tokenMatches ? suppliedToken : createDeviceToken();
+    if (!device.deviceTokenHash) {
+      await prisma.elderDevice.update({ where: { id: device.id }, data: { deviceTokenHash: hashDeviceToken(deviceToken) } });
+    }
 
     return NextResponse.json({
       deviceUuid: device.deviceUuid,
       bindUrl: createBindUrl(device.deviceUuid),
+      deviceToken,
     });
   } catch (error) {
     return NextResponse.json(
@@ -40,4 +53,4 @@ export async function POST(request: Request) {
       { status: 500 },
     );
   }
-}
+}

app/api/device/tool-call/route.ts

@@ -2,6 +2,7 @@ import { ToolCallStatus } from "@prisma/client";
 import { NextResponse } from "next/server";
 
 import { recordToolCall } from "@/lib/monitor-data";
+import { requireDeviceAuth } from "@/lib/device-auth";
 
 function toToolCallStatus(rawStatus: unknown) {
   return rawStatus === ToolCallStatus.FAILURE
@@ -49,6 +50,7 @@ export async function POST(request: Request) {
   }
 
   try {
+    await requireDeviceAuth(request, body.deviceUuid);
     const log = await recordToolCall({
       deviceUuid: body.deviceUuid,
       toolName: body.toolName,
@@ -70,4 +72,4 @@ export async function POST(request: Request) {
       { status: 400 },
     );
   }
-}
+}

app/api/device/usage/route.ts

@@ -2,6 +2,7 @@ import { UsageEventType } from "@prisma/client";
 import { NextResponse } from "next/server";
 
 import { recordUsageEvent } from "@/lib/monitor-data";
+import { requireDeviceAuth } from "@/lib/device-auth";
 
 function toUsageEventType(rawType: unknown) {
   switch (rawType) {
@@ -46,6 +47,7 @@ export async function POST(request: Request) {
   }
 
   try {
+    await requireDeviceAuth(request, body.deviceUuid);
     await recordUsageEvent({
       deviceUuid: body.deviceUuid,
       eventType: toUsageEventType(body.eventType),
@@ -62,4 +64,4 @@ export async function POST(request: Request) {
       { status: 400 },
     );
   }
-}
+}

app/api/family-circle/invite/route.ts

@@ -0,0 +1,12 @@
+import { NextResponse } from "next/server";
+import { createFamilyInvitation } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function POST(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const result = await createFamilyInvitation(caregiver.id, await request.json().catch(() => ({})));
+    return NextResponse.json({ ok: true, ...result });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "创建邀请失败。" }, { status: 400 }); }
+}

app/api/family-circle/join/route.ts

@@ -0,0 +1,13 @@
+import { NextResponse } from "next/server";
+import { acceptFamilyInvitation } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function POST(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录后接受邀请。" }, { status: 401 });
+    const body = await request.json().catch(() => ({})) as { token?: string };
+    const circle = await acceptFamilyInvitation(caregiver.id, body.token || "");
+    return NextResponse.json({ ok: true, circleId: circle.id });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "加入家庭失败。" }, { status: 400 }); }
+}

app/api/family-feed/route.ts

@@ -0,0 +1,13 @@
+import { NextResponse } from "next/server";
+import { createFamilyPost } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function POST(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const body = await request.json().catch(() => ({}));
+    const post = await createFamilyPost(caregiver.id, body);
+    return NextResponse.json({ ok: true, post });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "发布失败。" }, { status: 400 }); }
+}

app/api/medications/route.ts

@@ -0,0 +1,12 @@
+import { NextResponse } from "next/server";
+import { createMedicationPlan } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function POST(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const plan = await createMedicationPlan(caregiver.id, await request.json().catch(() => ({})));
+    return NextResponse.json({ ok: true, plan });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "创建用药计划失败。" }, { status: 400 }); }
+}

app/api/memos/route.ts

@@ -0,0 +1,12 @@
+import { NextResponse } from "next/server";
+import { createFamilyMemo } from "@/lib/family-guard";
+import { getCaregiverSession } from "@/lib/session";
+
+export async function POST(request: Request) {
+  try {
+    const caregiver = await getCaregiverSession();
+    if (!caregiver) return NextResponse.json({ error: "请先登录。" }, { status: 401 });
+    const memo = await createFamilyMemo(caregiver.id, await request.json().catch(() => ({})));
+    return NextResponse.json({ ok: true, memo });
+  } catch (error) { return NextResponse.json({ error: error instanceof Error ? error.message : "保存失败。" }, { status: 400 }); }
+}

app/care/page.tsx

@@ -0,0 +1,15 @@
+import { MedicationForm, MemoForm, TaskActions, TaskForm } from "@/components/family-guard-actions";
+import { PanelShell } from "@/components/panel-shell";
+import { requireFamilyWorkspace } from "@/lib/family-page";
+import { formatDateTime } from "@/lib/panel-format";
+import { requireCaregiverSession } from "@/lib/page-auth";
+import { getCaregiverDisplayName } from "@/lib/session";
+
+export const dynamic = "force-dynamic";
+export default async function CarePage({ searchParams }: PageProps<"/care">) {
+  const caregiver = await requireCaregiverSession("/care"); const workspace = await requireFamilyWorkspace(caregiver.id); const tab = String((await searchParams).tab || "tasks"); const uuid = workspace.elderProfile.elderDevice.deviceUuid;
+  return <PanelShell currentPath="/care" title="共同照护" description="家人分工、老人确认、结果共享" caregiverLabel={getCaregiverDisplayName(caregiver)}>
+    <div className="segment"><a className={tab === "tasks" ? "active" : ""} href="/care?tab=tasks">任务</a><a className={tab === "medications" ? "active" : ""} href="/care?tab=medications">用药</a><a className={tab === "memos" ? "active" : ""} href="/care?tab=memos">备忘</a></div>
+    {tab === "medications" ? <><MedicationForm deviceUuid={uuid} /><section><div className="section-title"><h2>用药计划</h2><span>仅提醒与记录，不替代医嘱</span></div><div className="card">{workspace.medicationPlans.length ? workspace.medicationPlans.map((plan) => <article className="timeline-item" key={plan.id}><div className="timeline-top">{plan.name}<span className="tag">{plan.active ? "进行中" : "已暂停"}</span></div><p className="timeline-body">每次 {plan.dosage} · {JSON.parse(plan.timesJson).join("、")}{plan.instructions ? ` · ${plan.instructions}` : ""}</p><p className="row-meta">信息来源：{plan.source === "PRESCRIPTION" ? "医生处方" : plan.source === "PACKAGE_LABEL" ? "药盒标签" : "家属录入"}</p></article>) : <div className="empty">还没有用药计划。</div>}</div></section></> : tab === "memos" ? <><MemoForm deviceUuid={uuid} /><section><div className="section-title"><h2>家庭备忘录</h2></div><div className="card">{workspace.memos.length ? workspace.memos.map((memo) => <article className="timeline-item" key={memo.id}><div className="timeline-top">{memo.title}<span className="tag">{memo.priority === "PINNED" ? "长期置顶" : memo.priority === "IMPORTANT" ? "重要" : "普通"}</span></div><p className="timeline-body">{memo.content}</p><p className="row-meta">{memo.visibility === "FAMILY_ONLY" ? "仅家人可见" : "可由数字人告诉长辈"}</p></article>) : <div className="empty">还没有家庭备忘。</div>}</div></section></> : <><TaskForm deviceUuid={uuid} /><section><div className="section-title"><h2>照护交接</h2></div><div className="card">{workspace.tasks.length ? workspace.tasks.map((task) => <article className="timeline-item" key={task.id}><div className="timeline-top">{task.title}<span className="timeline-time">{task.dueAt ? formatDateTime(task.dueAt) : "未设期限"}</span></div><p className="timeline-body">{task.description || "等待家人认领"}</p><p className="row-meta">{task.assignedTo ? `负责人：${task.assignedTo.nickname || task.assignedTo.username || "家人"}` : "尚未认领"}</p><TaskActions taskId={task.id} status={task.status} /></article>) : <div className="empty">还没有照护任务。</div>}</div></section></>}
+  </PanelShell>;
+}

app/companion/page.tsx

@@ -0,0 +1,8 @@
+import Link from "next/link";
+import { BookHeart, MessageCircle, MessagesSquare } from "lucide-react";
+import { PanelShell } from "@/components/panel-shell";
+import { requireFamilyWorkspace as getFamilyWorkspace } from "@/lib/family-page";
+import { requireCaregiverSession } from "@/lib/page-auth";
+import { getCaregiverDisplayName } from "@/lib/session";
+
+export default async function CompanionPage() { const caregiver = await requireCaregiverSession("/companion"); const workspace = await getFamilyWorkspace(caregiver.id); return <PanelShell currentPath="/companion" title="温暖陪伴" description="留言、回忆和每一次认真回应" caregiverLabel={getCaregiverDisplayName(caregiver)}><div className="card"><Link className="list-row" href="/messages"><MessageCircle /><span className="row-main"><span className="row-title">双向留言</span><span className="row-meta">家人问候由数字人口播，长辈口述实时送达</span></span></Link><Link className="list-row" href="/activity"><MessagesSquare /><span className="row-main"><span className="row-title">陪伴动态</span><span className="row-meta">查看数字人对话和智能服务记录</span></span></Link><div className="list-row"><BookHeart /><span className="row-main"><span className="row-title">家庭记忆册</span><span className="row-meta">数据结构已预留，作为下一阶段增强功能</span></span></div></div><section className="card card-pad"><h2 style={{ marginTop: 0 }}>本周家庭连接</h2><p className="timeline-body">家庭发布了 {workspace.posts.length} 条动态，留下 {workspace.memos.length} 条共同记忆与备忘。</p></section></PanelShell>; }

app/family/join/page.tsx

@@ -0,0 +1,8 @@
+import { JoinFamilyButton } from "@/components/family-guard-actions";
+import { requireCaregiverSession } from "@/lib/page-auth";
+
+export default async function JoinFamilyPage({ searchParams }: PageProps<"/family/join">) {
+  const token = String((await searchParams).token || "");
+  await requireCaregiverSession(`/family/join?token=${encodeURIComponent(token)}`);
+  return <main className="app-frame"><div className="app-content app-stack"><section className="card card-pad" style={{ marginTop: 48 }}><h1 style={{ margin: 0 }}>加入家庭守护圈</h1><p className="timeline-body">加入后，你将根据邀请角色参与长辈的家庭动态和共同照护。</p><JoinFamilyButton token={token} /></section></div></main>;
+}

app/family/page.tsx

@@ -0,0 +1,18 @@
+import { FamilyPostForm, InviteMemberForm } from "@/components/family-guard-actions";
+import { PanelShell } from "@/components/panel-shell";
+import { requireFamilyWorkspace } from "@/lib/family-page";
+import { formatDateTime } from "@/lib/panel-format";
+import { requireCaregiverSession } from "@/lib/page-auth";
+import { getCaregiverDisplayName } from "@/lib/session";
+
+export const dynamic = "force-dynamic";
+export default async function FamilyPage() {
+  const caregiver = await requireCaregiverSession("/family"); const workspace = await requireFamilyWorkspace(caregiver.id); const deviceUuid = workspace.elderProfile.elderDevice.deviceUuid;
+  const roleLabel = { ADMIN: "管理员", CAREGIVER: "照护成员", CARING: "关怀成员" } as const;
+  return <PanelShell currentPath="/family" title={workspace.name} description={`${workspace.memberships.length} 位家人共同参与`} caregiverLabel={getCaregiverDisplayName(caregiver)}>
+    <FamilyPostForm deviceUuid={deviceUuid} />
+    <section><div className="section-title"><h2>家庭动态</h2></div><div className="card">{workspace.posts.length ? workspace.posts.map((post) => <article key={post.id} className="timeline-item"><div className="timeline-top">{post.elderAuthored ? `${workspace.elderProfile.preferredName}通过安智伴说` : post.author?.nickname || post.author?.username || "家里人"}<span className="timeline-time">{formatDateTime(post.createdAt)}</span></div><p className="timeline-body">{post.content}</p><span className="tag">{post.visibility === "FAMILY_ONLY" ? "仅家人" : post.visibility === "ELDER_ONLY" ? "只给长辈" : "全家可见"}</span></article>) : <div className="empty">发出第一条家庭动态，让关心流动起来。</div>}</div></section>
+    <section><div className="section-title"><h2>家庭成员</h2></div><div className="card">{workspace.memberships.map((member) => <div key={member.id} className="list-row"><span className="avatar">{(member.caregiver.nickname || member.caregiver.username || "家").slice(-1)}</span><span className="row-main"><span className="row-title">{member.caregiver.nickname || member.caregiver.username || "家庭成员"}{member.relationLabel ? ` · ${member.relationLabel}` : ""}</span><span className="row-meta">{roleLabel[member.role]}{member.dutyOrder ? ` · 值守顺序 ${member.dutyOrder}` : ""}</span></span></div>)}</div></section>
+    <section><div className="section-title"><h2>邀请家人</h2><span>链接 24 小时有效</span></div><InviteMemberForm deviceUuid={deviceUuid} /></section>
+  </PanelShell>;
+}

app/guard/page.tsx

@@ -0,0 +1,23 @@
+import { AlertTriangle, CheckCircle2, HeartPulse, PhoneCall } from "lucide-react";
+import { AlertActions, CheckInButton } from "@/components/family-guard-actions";
+import { PanelShell } from "@/components/panel-shell";
+import { requireFamilyWorkspace } from "@/lib/family-page";
+import { formatDateTime } from "@/lib/panel-format";
+import { requireCaregiverSession } from "@/lib/page-auth";
+import { getCaregiverDisplayName } from "@/lib/session";
+
+export const dynamic = "force-dynamic";
+export default async function GuardPage() {
+  const caregiver = await requireCaregiverSession("/guard"); const workspace = await requireFamilyWorkspace(caregiver.id);
+  const openAlerts = workspace.alerts.filter((a) => a.status === "OPEN" || a.status === "ACKNOWLEDGED");
+  const todayDoses = workspace.medicationPlans.flatMap((p) => p.doses).filter((d) => d.scheduledFor.toDateString() === new Date().toDateString());
+  const doneDoses = todayDoses.filter((d) => d.status === "TAKEN").length;
+  const openTasks = workspace.tasks.filter((t) => t.status !== "COMPLETED" && t.status !== "CANCELLED");
+  const pendingCheckIns = workspace.checkIns.filter((c) => c.status === "PENDING");
+  return <PanelShell currentPath="/guard" title="家庭守护" description={`${workspace.elderProfile.preferredName} · 风险线索不是医疗诊断`} caregiverLabel={getCaregiverDisplayName(caregiver)}>
+    <section className="stats" style={{ gridTemplateColumns: "repeat(4,1fr)" }}><div className="stat accent"><strong>{openAlerts.length}</strong><span>待处理提醒</span></div><div className="stat"><strong>{doneDoses}/{todayDoses.length}</strong><span>今日用药</span></div><div className="stat"><strong>{openTasks.length}</strong><span>照护事项</span></div><div className="stat"><strong>{pendingCheckIns.length}</strong><span>待报平安</span></div></section>
+    <CheckInButton deviceUuid={workspace.elderProfile.elderDevice.deviceUuid} />
+    <section><div className="section-title"><h2>风险提醒</h2><span>人工确认后再处置</span></div><div className="card">{workspace.alerts.length ? workspace.alerts.map((alert) => <article id={`alert-${alert.id}`} key={alert.id} className="timeline-item"><div className="timeline-top"><span style={{ color: alert.level === "RED" ? "#b33a2b" : "var(--accent)" }}><AlertTriangle size={15} style={{ verticalAlign: -3, marginRight: 5 }} />{alert.title}</span><span className="timeline-time">{formatDateTime(alert.createdAt)}</span></div><p className="timeline-body">{alert.summary}</p><p className="row-meta">{alert.claimedBy ? `已由 ${alert.claimedBy.nickname || alert.claimedBy.username || "家人"} 接手` : "尚未认领"}</p><AlertActions alertId={alert.id} status={alert.status} /></article>) : <div className="empty"><CheckCircle2 size={26} /><br />当前没有待处理的风险提醒</div>}</div></section>
+    <section><div className="section-title"><h2>今日状态</h2></div><div className="card"><div className="timeline-item"><div className="timeline-top"><HeartPulse size={15} />设备最近在线<span className="timeline-time">{formatDateTime(workspace.elderProfile.elderDevice.lastSeenAt)}</span></div><p className="timeline-body">仅根据终端在线和主动交互记录展示，不代表生命体征状态。</p></div><div className="timeline-item"><div className="timeline-top"><PhoneCall size={15} />家庭值守</div><p className="timeline-body">{workspace.memberships.filter((m) => m.emergencyPush).map((m) => m.caregiver.nickname || m.caregiver.username || "家人").join("、") || "尚未设置"}</p></div></div></section>
+  </PanelShell>;
+}

app/page.tsx

@@ -1,86 +1,2 @@
-import Link from "next/link";
-import { ChevronRight, PenLine, ScanLine } from "lucide-react";
-
-import { PanelShell } from "@/components/panel-shell";
-import { getCaregiverOverview } from "@/lib/caregiver-panel";
-import { formatDateTime, getDeviceName, getMessageHref, truncateText } from "@/lib/panel-format";
-import { requireCaregiverSession } from "@/lib/page-auth";
-import { getCaregiverDisplayName } from "@/lib/session";
-
-export const dynamic = "force-dynamic";
-
-function greeting() {
-  const hour = new Date().getHours();
-  if (hour < 11) return "早上好";
-  if (hour < 14) return "中午好";
-  if (hour < 18) return "下午好";
-  return "晚上好";
-}
-
-export default async function Home() {
-  const caregiver = await requireCaregiverSession("/");
-  const { dashboard, recentIncomingMessages } = await getCaregiverOverview(caregiver.id);
-  const name = getCaregiverDisplayName(dashboard.caregiver);
-  const unreadIn = dashboard.devices.reduce((n, d) => n + d.elderUnreadCount, 0);
-  const unreadOut = dashboard.devices.reduce((n, d) => n + d.familyUnreadCount, 0);
-  const conversations = dashboard.devices.reduce((n, d) => n + d.elderDevice._count.conversationTurns, 0);
-  const date = new Intl.DateTimeFormat("zh-CN", { month: "numeric", day: "numeric", weekday: "short" }).format(new Date());
-
-  return (
-    <PanelShell
-      currentPath="/"
-      title={`${greeting()}，${name}`}
-      description={`${date} · ${dashboard.devices.length} 台设备已连接`}
-      caregiverLabel={name}
-      unreadCount={unreadIn}
-    >
-      <section className="card">
-        {dashboard.devices.length ? dashboard.devices.map((binding) => (
-          <Link key={binding.id} href={`/devices/${binding.elderDevice.deviceUuid}`} className="list-row" style={{ alignItems: "center" }}>
-            <span className={`dot ${binding.elderDevice.lastSeenAt ? "online" : "offline"}`} style={{ marginTop: 0 }} />
-            <span className="row-title" style={{ flex: 1 }}>{getDeviceName(binding.alias, binding.elderDevice.displayName)}</span>
-            <span className="row-meta" style={{ marginTop: 0 }}>{binding.elderDevice.lastSeenAt ? "在线" : "未连接"}</span>
-            <ChevronRight size={14} color="var(--muted-light)" />
-          </Link>
-        )) : <div className="empty">还没有连接设备，扫码即可开始守护。</div>}
-      </section>
-
-      <section className="stats" style={{ gridTemplateColumns: "repeat(4,1fr)" }}>
-        <Link href="/messages" className="stat accent"><strong>{unreadIn}</strong><span>新留言</span></Link>
-        <Link href="/messages" className="stat"><strong>{unreadOut}</strong><span>待长辈听</span></Link>
-        <Link href="/activity" className="stat"><strong>{conversations}</strong><span>陪伴对话</span></Link>
-        <Link href="/devices" className="stat"><strong>{dashboard.devices.length}</strong><span>设备</span></Link>
-      </section>
-
-      <div className="button-row">
-        <Link href={dashboard.devices[0] ? `/devices/${dashboard.devices[0].elderDevice.deviceUuid}` : "/devices"} className="btn primary" style={{ flex: 1 }}>
-          <PenLine size={15} />给长辈留言
-        </Link>
-        <Link href="/scan" className="btn" style={{ flex: 1 }}><ScanLine size={15} />扫码绑定</Link>
-      </div>
-
-      <section>
-        <div className="section-title"><h2>长辈的新留言</h2><Link href="/messages">全部</Link></div>
-        <div className="card">
-          {recentIncomingMessages.length ? recentIncomingMessages.slice(0, 3).map((message) => (
-            <Link key={message.id} href={getMessageHref(message.publicId)} className="list-row">
-              <span className="dot" />
-              <span className="row-main">
-                <span className="row-title">{truncateText(message.content, 62)}</span>
-                <span className="row-meta">{message.importance !== "NORMAL" ? <span className="tag">重要</span> : null}{getDeviceName(message.elderDevice.displayName)} · {formatDateTime(message.createdAt)}</span>
-              </span>
-            </Link>
-          )) : <div className="empty">暂时还没有收到新留言。</div>}
-        </div>
-      </section>
-
-      <section>
-        <div className="section-title"><h2>陪伴动态</h2><Link href="/activity">全部</Link></div>
-        <div className="card">
-          <div className="timeline-item"><div className="timeline-top">设备连接情况<span className="timeline-time">现在</span></div><p className="timeline-body">{dashboard.devices.length} 台长辈设备已加入家人守护。</p></div>
-          <div className="timeline-item"><div className="timeline-top">陪伴对话<span className="timeline-time">累计</span></div><p className="timeline-body">数字人已完成 {conversations} 轮陪伴对话。</p></div>
-        </div>
-      </section>
-    </PanelShell>
-  );
-}
+import { redirect } from "next/navigation";
+export default function Home() { redirect("/guard"); }

components/family-guard-actions.tsx

@@ -0,0 +1,73 @@
+"use client";
+
+import { useRouter } from "next/navigation";
+import { FormEvent, useState } from "react";
+
+async function api(path: string, method: string, body: Record<string, unknown>) {
+  const response = await fetch(path, { method, headers: { "Content-Type": "application/json" }, body: JSON.stringify(body) });
+  const payload = await response.json().catch(() => ({}));
+  if (!response.ok) throw new Error(payload.error || "操作失败，请稍后再试。");
+  return payload;
+}
+
+function Notice({ text }: { text: string }) { return text ? <p style={{ margin: "8px 0 0", color: "var(--success)", fontSize: 12 }}>{text}</p> : null; }
+
+export function FamilyPostForm({ deviceUuid }: { deviceUuid: string }) {
+  const router = useRouter(); const [notice, setNotice] = useState(""); const [busy, setBusy] = useState(false);
+  async function submit(event: FormEvent<HTMLFormElement>) {
+    event.preventDefault(); setBusy(true); const form = new FormData(event.currentTarget);
+    try { await api("/api/family-feed", "POST", { deviceUuid, content: form.get("content"), visibility: form.get("visibility") }); event.currentTarget.reset(); setNotice("已发布到家庭动态。"); router.refresh(); }
+    catch (e) { setNotice(e instanceof Error ? e.message : "发布失败。"); } finally { setBusy(false); }
+  }
+  return <form className="card card-pad" onSubmit={submit}><textarea className="field" name="content" required maxLength={1000} placeholder="分享一句问候，或和家人同步今天的情况……" /><div className="button-row" style={{ marginTop: 8 }}><select className="field" name="visibility" defaultValue="FAMILY_AND_ELDER"><option value="FAMILY_AND_ELDER">老人和全家可见</option><option value="ELDER_ONLY">只发给老人</option><option value="FAMILY_ONLY">仅家庭内部</option></select><button className="btn primary" disabled={busy}>{busy ? "发布中" : "发布"}</button></div><Notice text={notice} /></form>;
+}
+
+export function MemoForm({ deviceUuid }: { deviceUuid: string }) {
+  const router = useRouter(); const [notice, setNotice] = useState("");
+  async function submit(event: FormEvent<HTMLFormElement>) { event.preventDefault(); const form = new FormData(event.currentTarget); try { await api("/api/memos", "POST", { deviceUuid, title: form.get("title"), content: form.get("content"), priority: form.get("priority"), visibility: form.get("visibility") }); event.currentTarget.reset(); setNotice("家庭备忘已保存。"); router.refresh(); } catch (e) { setNotice(e instanceof Error ? e.message : "保存失败。"); } }
+  return <form className="card card-pad" onSubmit={submit}><input className="field" name="title" required maxLength={80} placeholder="备忘标题，如：医保卡位置" /><textarea className="field" style={{ marginTop: 8 }} name="content" required maxLength={1000} placeholder="写下家人需要共同记住的信息" /><div className="button-row" style={{ marginTop: 8 }}><select className="field" name="priority"><option value="NORMAL">普通</option><option value="IMPORTANT">重要</option><option value="PINNED">长期置顶</option></select><select className="field" name="visibility"><option value="FAMILY_AND_ELDER">可告诉老人</option><option value="FAMILY_ONLY">仅家人可见</option></select><button className="btn primary">保存</button></div><Notice text={notice} /></form>;
+}
+
+export function TaskForm({ deviceUuid }: { deviceUuid: string }) {
+  const router = useRouter(); const [notice, setNotice] = useState("");
+  async function submit(event: FormEvent<HTMLFormElement>) { event.preventDefault(); const form = new FormData(event.currentTarget); try { await api("/api/care-tasks", "POST", { deviceUuid, title: form.get("title"), description: form.get("description"), dueAt: form.get("dueAt") }); event.currentTarget.reset(); setNotice("照护任务已创建。"); router.refresh(); } catch (e) { setNotice(e instanceof Error ? e.message : "创建失败。"); } }
+  return <form className="card card-pad" onSubmit={submit}><input className="field" name="title" required maxLength={100} placeholder="任务，如：陪爷爷周三复诊" /><input className="field" style={{ marginTop: 8 }} name="description" maxLength={500} placeholder="补充说明（可选）" /><div className="button-row" style={{ marginTop: 8 }}><input className="field" name="dueAt" type="datetime-local" /><button className="btn primary">创建任务</button></div><Notice text={notice} /></form>;
+}
+
+export function TaskActions({ taskId, status }: { taskId: string; status: string }) {
+  const router = useRouter(); const [busy, setBusy] = useState(false);
+  async function act(action: string) { setBusy(true); try { let note: string | undefined; if (action === "complete") note = window.prompt("补充完成说明（可留空）") || undefined; await api("/api/care-tasks", "PATCH", { taskId, action, note }); router.refresh(); } finally { setBusy(false); } }
+  if (status === "COMPLETED") return <span className="tag">已完成</span>;
+  return <div className="button-row"><button className="btn small" disabled={busy} onClick={() => void act("claim")}>{status === "CLAIMED" ? "接手人" : "我来处理"}</button><button className="btn primary small" disabled={busy} onClick={() => void act("complete")}>完成</button></div>;
+}
+
+export function MedicationForm({ deviceUuid }: { deviceUuid: string }) {
+  const router = useRouter(); const [notice, setNotice] = useState("");
+  async function submit(event: FormEvent<HTMLFormElement>) { event.preventDefault(); const form = new FormData(event.currentTarget); try { await api("/api/medications", "POST", { deviceUuid, name: form.get("name"), dosage: form.get("dosage"), times: form.get("times"), instructions: form.get("instructions"), source: form.get("source"), stockCount: Number(form.get("stockCount") || 0) || undefined }); event.currentTarget.reset(); setNotice("未来 7 天的用药提醒已建立。"); router.refresh(); } catch (e) { setNotice(e instanceof Error ? e.message : "创建失败。"); } }
+  return <form className="card card-pad" onSubmit={submit}><div className="button-row"><input className="field" name="name" required placeholder="药品名称" /><input className="field" name="dosage" required placeholder="单次用量，如：1片" /></div><div className="button-row" style={{ marginTop: 8 }}><input className="field" name="times" required placeholder="时间，如：08:00,20:00" /><select className="field" name="source"><option value="PRESCRIPTION">医生处方</option><option value="PACKAGE_LABEL">药盒标签</option><option value="FAMILY_ENTRY">家属录入</option></select></div><input className="field" style={{ marginTop: 8 }} name="instructions" placeholder="饭前/饭后及其他注意事项" /><input className="field" style={{ marginTop: 8 }} name="stockCount" type="number" min="0" placeholder="当前库存（可选）" /><button className="btn primary block" style={{ marginTop: 8 }}>建立提醒</button><Notice text={notice} /></form>;
+}
+
+export function CheckInButton({ deviceUuid }: { deviceUuid: string }) {
+  const router = useRouter(); const [notice, setNotice] = useState("");
+  async function create() { try { await api("/api/check-ins", "POST", { deviceUuid, prompt: "家里人想知道您今天是否安好。" }); setNotice("报平安请求已送到长辈终端。"); router.refresh(); } catch (e) { setNotice(e instanceof Error ? e.message : "发送失败。"); } }
+  return <div><button className="btn primary block" onClick={() => void create()}>请长辈报个平安</button><Notice text={notice} /></div>;
+}
+
+export function AlertActions({ alertId, status }: { alertId: string; status: string }) {
+  const router = useRouter(); const [busy, setBusy] = useState(false);
+  async function act(action: string) { setBusy(true); try { let note; if (action !== "claim") { note = window.prompt(action === "resolve" ? "请填写处理结果" : "请填写忽略原因") || ""; if (!note && action === "resolve") return; } await api("/api/alerts", "PATCH", { alertId, action, note }); router.refresh(); } finally { setBusy(false); } }
+  if (status === "RESOLVED" || status === "DISMISSED") return <span className="tag">已处理</span>;
+  return <div className="button-row"><button className="btn small" disabled={busy} onClick={() => void act("claim")}>我来处理</button><button className="btn primary small" disabled={busy} onClick={() => void act("resolve")}>填写结果</button><button className="btn small" disabled={busy} onClick={() => void act("dismiss")}>误报</button></div>;
+}
+
+export function InviteMemberForm({ deviceUuid }: { deviceUuid: string }) {
+  const [url, setUrl] = useState(""); const [notice, setNotice] = useState("");
+  async function submit(event: FormEvent<HTMLFormElement>) { event.preventDefault(); const form = new FormData(event.currentTarget); try { const result = await api("/api/family-circle/invite", "POST", { deviceUuid, relationLabel: form.get("relationLabel"), role: form.get("role") }); setUrl(result.inviteUrl); setNotice("邀请链接 24 小时内有效。"); } catch (e) { setNotice(e instanceof Error ? e.message : "邀请失败。"); } }
+  return <form className="card card-pad" onSubmit={submit}><div className="button-row"><input className="field" name="relationLabel" placeholder="关系，如：儿子" /><select className="field" name="role"><option value="CAREGIVER">照护成员</option><option value="CARING">关怀成员</option></select><button className="btn primary">生成邀请</button></div>{url ? <div className="button-row" style={{ marginTop: 8 }}><input className="field" readOnly value={url} /><button type="button" className="btn" onClick={() => void navigator.clipboard.writeText(url)}>复制</button></div> : null}<Notice text={notice} /></form>;
+}
+
+export function JoinFamilyButton({ token }: { token: string }) {
+  const router = useRouter(); const [notice, setNotice] = useState("");
+  async function join() { try { await api("/api/family-circle/join", "POST", { token }); setNotice("已加入家庭守护圈，正在打开家庭页……"); router.push("/family"); router.refresh(); } catch (e) { setNotice(e instanceof Error ? e.message : "加入失败。"); } }
+  return <div><button className="btn primary block" onClick={() => void join()}>接受邀请并加入</button><Notice text={notice} /></div>;
+}

components/panel-shell.tsx

@@ -1,16 +1,16 @@
 import Link from "next/link";
-import { ChevronLeft, Home, MessageCircle, Smartphone, UserRound } from "lucide-react";
+import { ChevronLeft, HeartHandshake, House, ShieldCheck, Stethoscope, UserRound } from "lucide-react";
 import type { ReactNode } from "react";
 
 const navigationItems = [
-  { href: "/", label: "概览", icon: Home },
-  { href: "/messages", label: "留言", icon: MessageCircle },
-  { href: "/devices", label: "设备", icon: Smartphone },
+  { href: "/guard", label: "守护", icon: ShieldCheck },
+  { href: "/family", label: "家庭", icon: House },
+  { href: "/care", label: "照护", icon: Stethoscope },
+  { href: "/companion", label: "陪伴", icon: HeartHandshake },
   { href: "/settings", label: "我的", icon: UserRound },
 ];
 
 function isActivePath(currentPath: string, href: string) {
-  if (href === "/") return currentPath === "/";
   return currentPath === href || currentPath.startsWith(`${href}/`);
 }
 
@@ -76,7 +76,7 @@ export function PanelShell({
               <Link key={item.href} href={item.href} className={`nav-item${active ? " active" : ""}`}>
                 <Icon size={22} strokeWidth={1.8} />
                 <span>{item.label}</span>
-                {item.href === "/messages" && unreadCount > 0 ? <span className="nav-badge">{unreadCount}</span> : null}
+                {item.href === "/family" && unreadCount > 0 ? <span className="nav-badge">{unreadCount}</span> : null}
               </Link>
             );
           })}

lib/device-auth.ts

@@ -0,0 +1,29 @@
+import { createHash, randomBytes, timingSafeEqual } from "node:crypto";
+
+import { prisma } from "@/lib/prisma";
+
+export function hashDeviceToken(token: string) {
+  return createHash("sha256").update(token).digest("hex");
+}
+
+export function createDeviceToken() {
+  return randomBytes(32).toString("base64url");
+}
+
+export function readDeviceToken(request: Request) {
+  const authorization = request.headers.get("authorization") || "";
+  return authorization.startsWith("Bearer ")
+    ? authorization.slice(7).trim()
+    : request.headers.get("x-device-token")?.trim() || "";
+}
+
+export async function requireDeviceAuth(request: Request, deviceUuid: string) {
+  const token = readDeviceToken(request);
+  if (!token) throw new Error("设备认证信息缺失，请重新注册设备。");
+  const device = await prisma.elderDevice.findUnique({ where: { deviceUuid }, select: { id: true, deviceUuid: true, deviceTokenHash: true } });
+  if (!device?.deviceTokenHash) throw new Error("设备尚未完成安全注册。");
+  const actual = Buffer.from(hashDeviceToken(token));
+  const expected = Buffer.from(device.deviceTokenHash);
+  if (actual.length !== expected.length || !timingSafeEqual(actual, expected)) throw new Error("设备认证失败，请重新注册设备。");
+  return device;
+}

lib/family-guard.ts

@@ -0,0 +1,372 @@
+import {
+  AlertLevel,
+  AlertStatus,
+  CareTaskStatus,
+  CheckInStatus,
+  ContentVisibility,
+  FamilyRole,
+  MedicationDoseStatus,
+  MedicationSource,
+  MembershipStatus,
+  MemoPriority,
+  InvitationStatus,
+} from "@prisma/client";
+import { createHash, randomBytes } from "node:crypto";
+
+import { prisma } from "@/lib/prisma";
+
+const ACTIVE_MEMBER = { status: MembershipStatus.ACTIVE } as const;
+
+function requiredText(value: unknown, label: string, max = 500) {
+  if (typeof value !== "string" || !value.trim()) throw new Error(`${label}不能为空。`);
+  return value.trim().slice(0, max);
+}
+
+function optionalText(value: unknown, max = 500) {
+  return typeof value === "string" && value.trim() ? value.trim().slice(0, max) : null;
+}
+
+function parseDate(value: unknown) {
+  if (typeof value !== "string" || !value) return null;
+  const date = new Date(value);
+  return Number.isNaN(date.getTime()) ? null : date;
+}
+
+export async function ensureFamilyCircle(caregiverId: string, deviceUuid?: string) {
+  const binding = await prisma.deviceBinding.findFirst({
+    where: {
+      caregiverId,
+      elderDevice: deviceUuid ? { deviceUuid } : undefined,
+    },
+    orderBy: { createdAt: "asc" },
+    include: {
+      elderDevice: {
+        include: { elderProfile: { include: { familyCircle: true } } },
+      },
+    },
+  });
+  if (!binding) throw new Error("请先绑定一台长辈设备。 ");
+
+  let circle = binding.elderDevice.elderProfile?.familyCircle;
+  if (!circle) {
+    circle = await prisma.$transaction(async (tx) => {
+      const profile = await tx.elderProfile.upsert({
+        where: { elderDeviceId: binding.elderDeviceId },
+        update: {},
+        create: {
+          elderDeviceId: binding.elderDeviceId,
+          preferredName: binding.alias || binding.elderDevice.displayName || "长辈",
+          consentSetting: { create: {} },
+        },
+      });
+      return tx.familyCircle.upsert({
+        where: { elderProfileId: profile.id },
+        update: {},
+        create: {
+          elderProfileId: profile.id,
+          createdById: caregiverId,
+          name: `${profile.preferredName}的守护圈`,
+        },
+      });
+    });
+  }
+
+  const allBindings = await prisma.deviceBinding.findMany({
+    where: { elderDeviceId: binding.elderDeviceId },
+    orderBy: { createdAt: "asc" },
+    select: { caregiverId: true, createdAt: true },
+  });
+  await prisma.$transaction(
+    allBindings.map((item, index) =>
+      prisma.familyMembership.upsert({
+        where: {
+          familyCircleId_caregiverId: {
+            familyCircleId: circle!.id,
+            caregiverId: item.caregiverId,
+          },
+        },
+        update: { status: MembershipStatus.ACTIVE },
+        create: {
+          familyCircleId: circle!.id,
+          caregiverId: item.caregiverId,
+          role: index === 0 ? FamilyRole.ADMIN : FamilyRole.CAREGIVER,
+          dutyOrder: index + 1,
+        },
+      }),
+    ),
+  );
+  return circle;
+}
+
+export async function requireCircleMember(caregiverId: string, circleId: string) {
+  const member = await prisma.familyMembership.findFirst({
+    where: { caregiverId, familyCircleId: circleId, ...ACTIVE_MEMBER },
+  });
+  if (!member) throw new Error("您不是这个家庭守护圈的成员。");
+  return member;
+}
+
+export async function getFamilyWorkspace(caregiverId: string, deviceUuid?: string) {
+  const circle = await ensureFamilyCircle(caregiverId, deviceUuid);
+  await requireCircleMember(caregiverId, circle.id);
+  return prisma.familyCircle.findUniqueOrThrow({
+    where: { id: circle.id },
+    include: {
+      elderProfile: { include: { elderDevice: true, consentSetting: true } },
+      memberships: {
+        where: ACTIVE_MEMBER,
+        orderBy: [{ dutyOrder: "asc" }, { createdAt: "asc" }],
+        include: { caregiver: { select: { id: true, nickname: true, username: true } } },
+      },
+      posts: { orderBy: [{ pinned: "desc" }, { createdAt: "desc" }], take: 30, include: { author: true } },
+      memos: { orderBy: [{ priority: "desc" }, { updatedAt: "desc" }], take: 30, include: { author: true } },
+      tasks: { orderBy: [{ status: "asc" }, { dueAt: "asc" }, { createdAt: "desc" }], take: 40, include: { createdBy: true, assignedTo: true } },
+      medicationPlans: { orderBy: { createdAt: "desc" }, include: { doses: { orderBy: { scheduledFor: "desc" }, take: 14 } } },
+      checkIns: { orderBy: { createdAt: "desc" }, take: 20, include: { requestedBy: true } },
+      alerts: { orderBy: { createdAt: "desc" }, take: 30, include: { claimedBy: true, safetySignal: true } },
+    },
+  });
+}
+
+function invitationHash(token: string) {
+  return createHash("sha256").update(token).digest("hex");
+}
+
+export async function createFamilyInvitation(caregiverId: string, input: Record<string, unknown>) {
+  const circle = await ensureFamilyCircle(caregiverId, optionalText(input.deviceUuid, 64) || undefined);
+  const member = await requireCircleMember(caregiverId, circle.id);
+  if (member.role !== FamilyRole.ADMIN) throw new Error("只有管理员可以邀请家庭成员。");
+  const token = randomBytes(24).toString("base64url");
+  const role = input.role === FamilyRole.CAREGIVER ? FamilyRole.CAREGIVER : FamilyRole.CARING;
+  await prisma.familyInvitation.create({
+    data: {
+      familyCircleId: circle.id,
+      createdById: caregiverId,
+      tokenHash: invitationHash(token), role,
+      relationLabel: optionalText(input.relationLabel, 30),
+      expiresAt: new Date(Date.now() + 24 * 60 * 60_000),
+    },
+  });
+  await audit(circle.id, caregiverId, "INVITE", "FamilyMembership", undefined, { role });
+  const baseUrl = (process.env.NEXT_PUBLIC_APP_URL || "http://localhost:3000").replace(/\/$/, "");
+  return { inviteUrl: `${baseUrl}/family/join?token=${encodeURIComponent(token)}`, expiresAt: new Date(Date.now() + 24 * 60 * 60_000) };
+}
+
+export async function acceptFamilyInvitation(caregiverId: string, token: string) {
+  const invitation = await prisma.familyInvitation.findUnique({
+    where: { tokenHash: invitationHash(requiredText(token, "邀请口令", 200)) },
+    include: { familyCircle: { include: { elderProfile: true } } },
+  });
+  if (!invitation || invitation.status !== InvitationStatus.PENDING) throw new Error("邀请链接无效或已被使用。");
+  if (invitation.expiresAt <= new Date()) {
+    await prisma.familyInvitation.update({ where: { id: invitation.id }, data: { status: InvitationStatus.EXPIRED } });
+    throw new Error("邀请链接已过期，请让管理员重新邀请。");
+  }
+  await prisma.$transaction([
+    prisma.familyMembership.upsert({
+      where: { familyCircleId_caregiverId: { familyCircleId: invitation.familyCircleId, caregiverId } },
+      update: { status: MembershipStatus.ACTIVE, role: invitation.role, relationLabel: invitation.relationLabel },
+      create: { familyCircleId: invitation.familyCircleId, caregiverId, role: invitation.role, relationLabel: invitation.relationLabel },
+    }),
+    prisma.deviceBinding.upsert({
+      where: { caregiverId_elderDeviceId: { caregiverId, elderDeviceId: invitation.familyCircle.elderProfile.elderDeviceId } },
+      update: {}, create: { caregiverId, elderDeviceId: invitation.familyCircle.elderProfile.elderDeviceId },
+    }),
+    prisma.familyInvitation.update({ where: { id: invitation.id }, data: { status: InvitationStatus.ACCEPTED, acceptedAt: new Date() } }),
+  ]);
+  await audit(invitation.familyCircleId, caregiverId, "JOIN", "FamilyMembership");
+  return invitation.familyCircle;
+}
+
+export async function createFamilyPost(caregiverId: string, input: Record<string, unknown>) {
+  const circle = await ensureFamilyCircle(caregiverId, optionalText(input.deviceUuid, 64) || undefined);
+  await requireCircleMember(caregiverId, circle.id);
+  const visibility = Object.values(ContentVisibility).includes(input.visibility as ContentVisibility)
+    ? (input.visibility as ContentVisibility) : ContentVisibility.FAMILY_AND_ELDER;
+  const post = await prisma.familyPost.create({
+    data: { familyCircleId: circle.id, authorId: caregiverId, content: requiredText(input.content, "动态内容", 1000), visibility },
+  });
+  await audit(circle.id, caregiverId, "CREATE", "FamilyPost", post.id);
+  return post;
+}
+
+export async function createFamilyMemo(caregiverId: string, input: Record<string, unknown>) {
+  const circle = await ensureFamilyCircle(caregiverId, optionalText(input.deviceUuid, 64) || undefined);
+  const member = await requireCircleMember(caregiverId, circle.id);
+  if (member.role === FamilyRole.CARING) throw new Error("关怀成员不能修改家庭备忘录。");
+  const priority = Object.values(MemoPriority).includes(input.priority as MemoPriority)
+    ? (input.priority as MemoPriority) : MemoPriority.NORMAL;
+  const memo = await prisma.familyMemo.create({
+    data: {
+      familyCircleId: circle.id,
+      authorId: caregiverId,
+      title: requiredText(input.title, "备忘标题", 80),
+      content: requiredText(input.content, "备忘内容", 1000),
+      priority,
+      visibility: input.visibility === ContentVisibility.FAMILY_ONLY ? ContentVisibility.FAMILY_ONLY : ContentVisibility.FAMILY_AND_ELDER,
+    },
+  });
+  await audit(circle.id, caregiverId, "CREATE", "FamilyMemo", memo.id);
+  return memo;
+}
+
+export async function createCareTask(caregiverId: string, input: Record<string, unknown>) {
+  const circle = await ensureFamilyCircle(caregiverId, optionalText(input.deviceUuid, 64) || undefined);
+  const member = await requireCircleMember(caregiverId, circle.id);
+  if (member.role === FamilyRole.CARING) throw new Error("关怀成员不能创建照护任务。");
+  const task = await prisma.careTask.create({
+    data: {
+      familyCircleId: circle.id,
+      createdById: caregiverId,
+      title: requiredText(input.title, "任务标题", 100),
+      description: optionalText(input.description, 1000),
+      dueAt: parseDate(input.dueAt),
+    },
+  });
+  await audit(circle.id, caregiverId, "CREATE", "CareTask", task.id);
+  return task;
+}
+
+export async function updateCareTask(caregiverId: string, taskId: string, action: string, note?: unknown) {
+  const task = await prisma.careTask.findUniqueOrThrow({ where: { id: taskId } });
+  await requireCircleMember(caregiverId, task.familyCircleId);
+  const data = action === "claim"
+    ? { status: CareTaskStatus.CLAIMED, assignedToId: caregiverId }
+    : action === "complete"
+      ? { status: CareTaskStatus.COMPLETED, assignedToId: task.assignedToId || caregiverId, completedAt: new Date(), completionNote: optionalText(note, 500) }
+      : action === "reopen"
+        ? { status: CareTaskStatus.OPEN, assignedToId: null, completedAt: null, completionNote: null }
+        : null;
+  if (!data) throw new Error("不支持的任务操作。");
+  const updated = await prisma.careTask.update({ where: { id: taskId }, data });
+  await audit(task.familyCircleId, caregiverId, action.toUpperCase(), "CareTask", taskId);
+  return updated;
+}
+
+function parseTimes(value: unknown) {
+  const values = Array.isArray(value) ? value : typeof value === "string" ? value.split(",") : [];
+  const times = values.map(String).map((v) => v.trim()).filter((v) => /^([01]\d|2[0-3]):[0-5]\d$/.test(v));
+  if (!times.length) throw new Error("请至少填写一个 HH:mm 格式的服药时间。");
+  return [...new Set(times)].sort();
+}
+
+function scheduledDate(dayOffset: number, time: string) {
+  const now = new Date();
+  const date = new Date(now.getFullYear(), now.getMonth(), now.getDate() + dayOffset);
+  const [hour, minute] = time.split(":").map(Number);
+  date.setHours(hour, minute, 0, 0);
+  return date;
+}
+
+export async function createMedicationPlan(caregiverId: string, input: Record<string, unknown>) {
+  const circle = await ensureFamilyCircle(caregiverId, optionalText(input.deviceUuid, 64) || undefined);
+  const member = await requireCircleMember(caregiverId, circle.id);
+  if (member.role === FamilyRole.CARING) throw new Error("关怀成员不能管理用药计划。");
+  const times = parseTimes(input.times);
+  const source = Object.values(MedicationSource).includes(input.source as MedicationSource)
+    ? (input.source as MedicationSource) : MedicationSource.FAMILY_ENTRY;
+  const startDate = parseDate(input.startDate) || new Date();
+  const plan = await prisma.medicationPlan.create({
+    data: {
+      familyCircleId: circle.id,
+      createdById: caregiverId,
+      name: requiredText(input.name, "药品名称", 100),
+      dosage: requiredText(input.dosage, "单次用量", 100),
+      instructions: optionalText(input.instructions, 300),
+      timesJson: JSON.stringify(times), source, startDate,
+      endDate: parseDate(input.endDate),
+      stockCount: typeof input.stockCount === "number" ? Math.max(0, Math.floor(input.stockCount)) : null,
+      doses: { create: times.flatMap((time) => Array.from({ length: 7 }, (_, day) => ({ scheduledFor: scheduledDate(day, time) }))) },
+    },
+    include: { doses: true },
+  });
+  await audit(circle.id, caregiverId, "CREATE", "MedicationPlan", plan.id, { source });
+  return plan;
+}
+
+export async function createCheckIn(caregiverId: string, input: Record<string, unknown>) {
+  const circle = await ensureFamilyCircle(caregiverId, optionalText(input.deviceUuid, 64) || undefined);
+  await requireCircleMember(caregiverId, circle.id);
+  const checkIn = await prisma.checkInRequest.create({
+    data: { familyCircleId: circle.id, requestedById: caregiverId, prompt: optionalText(input.prompt, 240), dueAt: parseDate(input.dueAt) },
+  });
+  await audit(circle.id, caregiverId, "CREATE", "CheckInRequest", checkIn.id);
+  return checkIn;
+}
+
+export async function updateAlert(caregiverId: string, alertId: string, action: string, note?: unknown) {
+  const alert = await prisma.safetyAlert.findUniqueOrThrow({ where: { id: alertId } });
+  await requireCircleMember(caregiverId, alert.familyCircleId);
+  const data = action === "claim"
+    ? { status: AlertStatus.ACKNOWLEDGED, claimedById: caregiverId, claimedAt: new Date() }
+    : action === "resolve"
+      ? { status: AlertStatus.RESOLVED, claimedById: alert.claimedById || caregiverId, claimedAt: alert.claimedAt || new Date(), resolvedAt: new Date(), resolutionNote: requiredText(note, "处理结果", 500) }
+      : action === "dismiss"
+        ? { status: AlertStatus.DISMISSED, claimedById: alert.claimedById || caregiverId, resolvedAt: new Date(), resolutionNote: optionalText(note, 500) || "已确认是误报" }
+        : null;
+  if (!data) throw new Error("不支持的告警操作。");
+  const updated = await prisma.safetyAlert.update({ where: { id: alertId }, data });
+  await audit(alert.familyCircleId, caregiverId, action.toUpperCase(), "SafetyAlert", alertId, { note });
+  return updated;
+}
+
+export async function getDeviceAgenda(deviceUuid: string) {
+  const profile = await prisma.elderProfile.findFirst({
+    where: { elderDevice: { deviceUuid } },
+    include: { familyCircle: true },
+  });
+  if (!profile?.familyCircle) return { circle: null, posts: [], memos: [], doses: [], checkIns: [] };
+  const circleId = profile.familyCircle.id;
+  const now = new Date();
+  const dayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate());
+  const dayEnd = new Date(dayStart); dayEnd.setDate(dayEnd.getDate() + 1);
+  const [posts, memos, doses, checkIns] = await Promise.all([
+    prisma.familyPost.findMany({ where: { familyCircleId: circleId, visibility: { in: [ContentVisibility.ELDER_ONLY, ContentVisibility.FAMILY_AND_ELDER] }, deliveredAt: null }, include: { author: true }, orderBy: { createdAt: "asc" }, take: 8 }),
+    prisma.familyMemo.findMany({ where: { familyCircleId: circleId, visibility: { in: [ContentVisibility.ELDER_ONLY, ContentVisibility.FAMILY_AND_ELDER] } }, orderBy: [{ priority: "desc" }, { updatedAt: "desc" }], take: 12 }),
+    prisma.medicationDose.findMany({ where: { medicationPlan: { familyCircleId: circleId, active: true }, scheduledFor: { gte: dayStart, lt: dayEnd }, status: { in: [MedicationDoseStatus.SCHEDULED, MedicationDoseStatus.REMINDING, MedicationDoseStatus.SNOOZED] } }, include: { medicationPlan: true }, orderBy: { scheduledFor: "asc" } }),
+    prisma.checkInRequest.findMany({ where: { familyCircleId: circleId, status: CheckInStatus.PENDING }, orderBy: { createdAt: "asc" }, take: 5 }),
+  ]);
+  if (posts.length) {
+    await prisma.familyPost.updateMany({ where: { id: { in: posts.map((post) => post.id) } }, data: { deliveredAt: new Date() } });
+  }
+  return { circle: profile.familyCircle, posts, memos, doses, checkIns };
+}
+
+export async function updateMedicationDose(deviceUuid: string, doseId: string, status: MedicationDoseStatus, note?: unknown, snoozeMinutes = 10) {
+  const dose = await prisma.medicationDose.findFirst({ where: { id: doseId, medicationPlan: { familyCircle: { elderProfile: { elderDevice: { deviceUuid } } } } }, include: { medicationPlan: true } });
+  if (!dose) throw new Error("没有找到这次服药提醒。");
+  if (dose.status === MedicationDoseStatus.TAKEN || dose.status === MedicationDoseStatus.SKIPPED) throw new Error("这次服药已经确认，不能重复提交。");
+  return prisma.medicationDose.update({
+    where: { id: doseId },
+    data: {
+      status,
+      respondedAt: status === MedicationDoseStatus.SNOOZED ? null : new Date(),
+      snoozedUntil: status === MedicationDoseStatus.SNOOZED ? new Date(Date.now() + Math.min(Math.max(snoozeMinutes, 1), 60) * 60_000) : null,
+      note: optionalText(note, 500),
+    },
+  });
+}
+
+export async function respondCheckIn(deviceUuid: string, checkInId: string, status: CheckInStatus, responseText?: unknown) {
+  const checkIn = await prisma.checkInRequest.findFirst({ where: { id: checkInId, familyCircle: { elderProfile: { elderDevice: { deviceUuid } } }, status: CheckInStatus.PENDING } });
+  if (!checkIn) throw new Error("没有找到待回应的报平安请求。");
+  return prisma.checkInRequest.update({ where: { id: checkInId }, data: { status, responseText: optionalText(responseText, 500), respondedAt: new Date() } });
+}
+
+export async function createSafetyAlertForDevice(deviceUuid: string, input: Record<string, unknown>) {
+  const profile = await prisma.elderProfile.findFirst({ where: { elderDevice: { deviceUuid } }, include: { familyCircle: true } });
+  if (!profile?.familyCircle) throw new Error("这台设备还没有加入家庭守护圈。");
+  const category = requiredText(input.category, "风险类别", 80);
+  const summary = requiredText(input.summary, "风险说明", 500);
+  const since = new Date(Date.now() - 30 * 60_000);
+  const duplicate = await prisma.safetyAlert.findFirst({ where: { familyCircleId: profile.familyCircle.id, status: { in: [AlertStatus.OPEN, AlertStatus.ACKNOWLEDGED] }, safetySignal: { category, createdAt: { gte: since } } }, orderBy: { createdAt: "desc" } });
+  if (duplicate) return { alert: duplicate, deduplicated: true };
+  const level = Object.values(AlertLevel).includes(input.level as AlertLevel) ? (input.level as AlertLevel) : AlertLevel.ORANGE;
+  const signal = await prisma.safetySignal.create({ data: { familyCircleId: profile.familyCircle.id, category, summary, contextText: optionalText(input.contextText, 1000), confidence: typeof input.confidence === "number" ? Math.min(Math.max(input.confidence, 0), 1) : null } });
+  const alert = await prisma.safetyAlert.create({ data: { familyCircleId: profile.familyCircle.id, safetySignalId: signal.id, level, title: requiredText(input.title, "提醒标题", 100), summary } });
+  return { alert, deduplicated: false };
+}
+
+async function audit(circleId: string, actorId: string | null, action: string, entityType: string, entityId?: string, detail?: unknown) {
+  await prisma.auditLog.create({ data: { familyCircleId: circleId, actorId, action, entityType, entityId, detailJson: detail === undefined ? null : JSON.stringify(detail) } });
+}

lib/family-page.ts

@@ -0,0 +1,11 @@
+import { redirect } from "next/navigation";
+import { getFamilyWorkspace } from "@/lib/family-guard";
+
+export async function requireFamilyWorkspace(caregiverId: string) {
+  try {
+    return await getFamilyWorkspace(caregiverId);
+  } catch (error) {
+    if (error instanceof Error && error.message.includes("绑定一台长辈设备")) redirect("/devices");
+    throw error;
+  }
+}

lib/monitor-data.ts

@@ -585,6 +585,21 @@ export async function recordToolCall(input: ToolCallInput) {
       });
 
       createdMessagePublicId = createdMessage.publicId;
+      const circle = await tx.familyCircle.findFirst({
+        where: { elderProfile: { elderDeviceId: device.id } },
+        select: { id: true },
+      });
+      if (circle) {
+        await tx.familyPost.create({
+          data: {
+            familyCircleId: circle.id,
+            content: messageText,
+            elderAuthored: true,
+            visibility: "FAMILY_AND_ELDER",
+            deliveredAt: new Date(),
+          },
+        });
+      }
     }
 
     return {
@@ -694,4 +709,4 @@ export async function getCaregiverDashboard(caregiverId: string) {
       bindUrl: createBindUrl(binding.elderDevice.deviceUuid),
     })),
   };
-}
+}

lib/push.ts

@@ -426,4 +426,33 @@ export async function sendCaregiverTestPush(input: {
     topic: `test-${input.caregiverId.slice(0, 20)}`,
     collectFailureDetails: true,
   });
-}
+}
+
+export async function sendGuardAlertPush(alertId: string) {
+  if (!hasPushConfiguration()) return;
+  const alert = await prisma.safetyAlert.findUnique({
+    where: { id: alertId },
+    include: {
+      familyCircle: {
+        include: {
+          elderProfile: { include: { elderDevice: true } },
+          memberships: {
+            where: { status: "ACTIVE", emergencyPush: true },
+            include: { caregiver: { include: { pushSubscriptions: true } } },
+          },
+        },
+      },
+    },
+  });
+  if (!alert) return;
+  const subscriptions = alert.familyCircle.memberships.flatMap((member) => member.caregiver.pushSubscriptions);
+  const payload = JSON.stringify({
+    title: `${alert.level === "RED" ? "紧急关注" : "守护提醒"} · ${alert.familyCircle.elderProfile.preferredName}`,
+    body: truncateText(alert.summary, 72),
+    url: absoluteUrl(`/guard#alert-${alert.id}`),
+    icon: absoluteUrl("/pwa/icon-192x192.png"),
+    badge: absoluteUrl("/pwa/badge-96x96.png"),
+    tag: `guard-alert-${alert.id}`,
+  });
+  await deliverPushToSubscriptions({ subscriptions, payload, topic: `guard-${alert.id}` });
+}

prisma/migrations/20260712120000_family_guard_circle/migration.sql

@@ -0,0 +1,398 @@
+-- CreateEnum
+CREATE TYPE "FamilyRole" AS ENUM ('ADMIN', 'CAREGIVER', 'CARING');
+
+-- CreateEnum
+CREATE TYPE "MembershipStatus" AS ENUM ('ACTIVE', 'REMOVED');
+
+-- CreateEnum
+CREATE TYPE "InvitationStatus" AS ENUM ('PENDING', 'ACCEPTED', 'EXPIRED', 'REVOKED');
+
+-- CreateEnum
+CREATE TYPE "ContentVisibility" AS ENUM ('ELDER_ONLY', 'FAMILY_ONLY', 'FAMILY_AND_ELDER');
+
+-- CreateEnum
+CREATE TYPE "MemoPriority" AS ENUM ('NORMAL', 'IMPORTANT', 'PINNED');
+
+-- CreateEnum
+CREATE TYPE "CareTaskStatus" AS ENUM ('OPEN', 'CLAIMED', 'COMPLETED', 'CANCELLED');
+
+-- CreateEnum
+CREATE TYPE "MedicationSource" AS ENUM ('PRESCRIPTION', 'PACKAGE_LABEL', 'FAMILY_ENTRY');
+
+-- CreateEnum
+CREATE TYPE "MedicationDoseStatus" AS ENUM ('SCHEDULED', 'REMINDING', 'TAKEN', 'SNOOZED', 'SKIPPED', 'MISSED', 'NEEDS_FAMILY_CONFIRMATION');
+
+-- CreateEnum
+CREATE TYPE "CheckInStatus" AS ENUM ('PENDING', 'SAFE', 'NEEDS_CONTACT', 'DECLINED', 'EXPIRED');
+
+-- CreateEnum
+CREATE TYPE "AlertLevel" AS ENUM ('RED', 'ORANGE', 'YELLOW', 'BLUE');
+
+-- CreateEnum
+CREATE TYPE "AlertStatus" AS ENUM ('OPEN', 'ACKNOWLEDGED', 'RESOLVED', 'DISMISSED');
+
+-- AlterTable
+ALTER TABLE "ElderDevice" ADD COLUMN     "deviceTokenHash" TEXT;
+
+-- CreateTable
+CREATE TABLE "ElderProfile" (
+    "id" TEXT NOT NULL,
+    "elderDeviceId" TEXT NOT NULL,
+    "preferredName" TEXT NOT NULL,
+    "timezone" TEXT NOT NULL DEFAULT 'Asia/Shanghai',
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "ElderProfile_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "FamilyCircle" (
+    "id" TEXT NOT NULL,
+    "elderProfileId" TEXT NOT NULL,
+    "createdById" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "FamilyCircle_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "FamilyInvitation" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "createdById" TEXT NOT NULL,
+    "tokenHash" TEXT NOT NULL,
+    "role" "FamilyRole" NOT NULL DEFAULT 'CARING',
+    "relationLabel" TEXT,
+    "status" "InvitationStatus" NOT NULL DEFAULT 'PENDING',
+    "expiresAt" TIMESTAMP(3) NOT NULL,
+    "acceptedAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "FamilyInvitation_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "FamilyMembership" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "caregiverId" TEXT NOT NULL,
+    "role" "FamilyRole" NOT NULL DEFAULT 'CARING',
+    "relationLabel" TEXT,
+    "status" "MembershipStatus" NOT NULL DEFAULT 'ACTIVE',
+    "emergencyPush" BOOLEAN NOT NULL DEFAULT true,
+    "routinePush" BOOLEAN NOT NULL DEFAULT true,
+    "dutyOrder" INTEGER,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "FamilyMembership_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "FamilyPost" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "authorId" TEXT,
+    "content" TEXT NOT NULL,
+    "visibility" "ContentVisibility" NOT NULL DEFAULT 'FAMILY_AND_ELDER',
+    "elderAuthored" BOOLEAN NOT NULL DEFAULT false,
+    "pinned" BOOLEAN NOT NULL DEFAULT false,
+    "deliveredAt" TIMESTAMP(3),
+    "readAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "FamilyPost_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "FamilyMemo" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "authorId" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "priority" "MemoPriority" NOT NULL DEFAULT 'NORMAL',
+    "visibility" "ContentVisibility" NOT NULL DEFAULT 'FAMILY_AND_ELDER',
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "FamilyMemo_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "CareTask" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "createdById" TEXT NOT NULL,
+    "assignedToId" TEXT,
+    "title" TEXT NOT NULL,
+    "description" TEXT,
+    "dueAt" TIMESTAMP(3),
+    "status" "CareTaskStatus" NOT NULL DEFAULT 'OPEN',
+    "completedAt" TIMESTAMP(3),
+    "completionNote" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "CareTask_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "MedicationPlan" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "createdById" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "dosage" TEXT NOT NULL,
+    "instructions" TEXT,
+    "timesJson" TEXT NOT NULL,
+    "source" "MedicationSource" NOT NULL,
+    "startDate" TIMESTAMP(3) NOT NULL,
+    "endDate" TIMESTAMP(3),
+    "stockCount" INTEGER,
+    "active" BOOLEAN NOT NULL DEFAULT true,
+    "pausedReason" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "MedicationPlan_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "MedicationDose" (
+    "id" TEXT NOT NULL,
+    "medicationPlanId" TEXT NOT NULL,
+    "scheduledFor" TIMESTAMP(3) NOT NULL,
+    "status" "MedicationDoseStatus" NOT NULL DEFAULT 'SCHEDULED',
+    "respondedAt" TIMESTAMP(3),
+    "snoozedUntil" TIMESTAMP(3),
+    "note" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "MedicationDose_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "CheckInRequest" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "requestedById" TEXT NOT NULL,
+    "prompt" TEXT,
+    "dueAt" TIMESTAMP(3),
+    "status" "CheckInStatus" NOT NULL DEFAULT 'PENDING',
+    "responseText" TEXT,
+    "respondedAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "CheckInRequest_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "SafetySignal" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "category" TEXT NOT NULL,
+    "summary" TEXT NOT NULL,
+    "confidence" DOUBLE PRECISION,
+    "contextText" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "SafetySignal_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "SafetyAlert" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "safetySignalId" TEXT NOT NULL,
+    "claimedById" TEXT,
+    "level" "AlertLevel" NOT NULL,
+    "status" "AlertStatus" NOT NULL DEFAULT 'OPEN',
+    "title" TEXT NOT NULL,
+    "summary" TEXT NOT NULL,
+    "resolutionNote" TEXT,
+    "claimedAt" TIMESTAMP(3),
+    "resolvedAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "SafetyAlert_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "FamilyMemory" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "story" TEXT NOT NULL,
+    "mediaUrl" TEXT,
+    "occurredAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "FamilyMemory_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "ConsentSetting" (
+    "id" TEXT NOT NULL,
+    "elderProfileId" TEXT NOT NULL,
+    "shareTranscripts" BOOLEAN NOT NULL DEFAULT true,
+    "shareRawAudio" BOOLEAN NOT NULL DEFAULT false,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "ConsentSetting_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "AuditLog" (
+    "id" TEXT NOT NULL,
+    "familyCircleId" TEXT NOT NULL,
+    "actorId" TEXT,
+    "action" TEXT NOT NULL,
+    "entityType" TEXT NOT NULL,
+    "entityId" TEXT,
+    "detailJson" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "AuditLog_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ElderProfile_elderDeviceId_key" ON "ElderProfile"("elderDeviceId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "FamilyCircle_elderProfileId_key" ON "FamilyCircle"("elderProfileId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "FamilyInvitation_tokenHash_key" ON "FamilyInvitation"("tokenHash");
+
+-- CreateIndex
+CREATE INDEX "FamilyInvitation_familyCircleId_status_expiresAt_idx" ON "FamilyInvitation"("familyCircleId", "status", "expiresAt");
+
+-- CreateIndex
+CREATE INDEX "FamilyMembership_caregiverId_status_idx" ON "FamilyMembership"("caregiverId", "status");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "FamilyMembership_familyCircleId_caregiverId_key" ON "FamilyMembership"("familyCircleId", "caregiverId");
+
+-- CreateIndex
+CREATE INDEX "FamilyPost_familyCircleId_createdAt_idx" ON "FamilyPost"("familyCircleId", "createdAt" DESC);
+
+-- CreateIndex
+CREATE INDEX "FamilyMemo_familyCircleId_priority_updatedAt_idx" ON "FamilyMemo"("familyCircleId", "priority", "updatedAt" DESC);
+
+-- CreateIndex
+CREATE INDEX "CareTask_familyCircleId_status_dueAt_idx" ON "CareTask"("familyCircleId", "status", "dueAt");
+
+-- CreateIndex
+CREATE INDEX "MedicationPlan_familyCircleId_active_idx" ON "MedicationPlan"("familyCircleId", "active");
+
+-- CreateIndex
+CREATE INDEX "MedicationDose_scheduledFor_status_idx" ON "MedicationDose"("scheduledFor", "status");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "MedicationDose_medicationPlanId_scheduledFor_key" ON "MedicationDose"("medicationPlanId", "scheduledFor");
+
+-- CreateIndex
+CREATE INDEX "CheckInRequest_familyCircleId_status_createdAt_idx" ON "CheckInRequest"("familyCircleId", "status", "createdAt" DESC);
+
+-- CreateIndex
+CREATE INDEX "SafetySignal_familyCircleId_category_createdAt_idx" ON "SafetySignal"("familyCircleId", "category", "createdAt" DESC);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "SafetyAlert_safetySignalId_key" ON "SafetyAlert"("safetySignalId");
+
+-- CreateIndex
+CREATE INDEX "SafetyAlert_familyCircleId_status_createdAt_idx" ON "SafetyAlert"("familyCircleId", "status", "createdAt" DESC);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ConsentSetting_elderProfileId_key" ON "ConsentSetting"("elderProfileId");
+
+-- CreateIndex
+CREATE INDEX "AuditLog_familyCircleId_createdAt_idx" ON "AuditLog"("familyCircleId", "createdAt" DESC);
+
+-- AddForeignKey
+ALTER TABLE "ElderProfile" ADD CONSTRAINT "ElderProfile_elderDeviceId_fkey" FOREIGN KEY ("elderDeviceId") REFERENCES "ElderDevice"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyCircle" ADD CONSTRAINT "FamilyCircle_elderProfileId_fkey" FOREIGN KEY ("elderProfileId") REFERENCES "ElderProfile"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyCircle" ADD CONSTRAINT "FamilyCircle_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "CaregiverAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyInvitation" ADD CONSTRAINT "FamilyInvitation_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyInvitation" ADD CONSTRAINT "FamilyInvitation_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "CaregiverAccount"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyMembership" ADD CONSTRAINT "FamilyMembership_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyMembership" ADD CONSTRAINT "FamilyMembership_caregiverId_fkey" FOREIGN KEY ("caregiverId") REFERENCES "CaregiverAccount"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyPost" ADD CONSTRAINT "FamilyPost_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyPost" ADD CONSTRAINT "FamilyPost_authorId_fkey" FOREIGN KEY ("authorId") REFERENCES "CaregiverAccount"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyMemo" ADD CONSTRAINT "FamilyMemo_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyMemo" ADD CONSTRAINT "FamilyMemo_authorId_fkey" FOREIGN KEY ("authorId") REFERENCES "CaregiverAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "CareTask" ADD CONSTRAINT "CareTask_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "CareTask" ADD CONSTRAINT "CareTask_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "CaregiverAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "CareTask" ADD CONSTRAINT "CareTask_assignedToId_fkey" FOREIGN KEY ("assignedToId") REFERENCES "CaregiverAccount"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "MedicationPlan" ADD CONSTRAINT "MedicationPlan_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "MedicationPlan" ADD CONSTRAINT "MedicationPlan_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "CaregiverAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "MedicationDose" ADD CONSTRAINT "MedicationDose_medicationPlanId_fkey" FOREIGN KEY ("medicationPlanId") REFERENCES "MedicationPlan"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "CheckInRequest" ADD CONSTRAINT "CheckInRequest_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "CheckInRequest" ADD CONSTRAINT "CheckInRequest_requestedById_fkey" FOREIGN KEY ("requestedById") REFERENCES "CaregiverAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "SafetySignal" ADD CONSTRAINT "SafetySignal_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "SafetyAlert" ADD CONSTRAINT "SafetyAlert_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "SafetyAlert" ADD CONSTRAINT "SafetyAlert_safetySignalId_fkey" FOREIGN KEY ("safetySignalId") REFERENCES "SafetySignal"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "SafetyAlert" ADD CONSTRAINT "SafetyAlert_claimedById_fkey" FOREIGN KEY ("claimedById") REFERENCES "CaregiverAccount"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FamilyMemory" ADD CONSTRAINT "FamilyMemory_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "ConsentSetting" ADD CONSTRAINT "ConsentSetting_elderProfileId_fkey" FOREIGN KEY ("elderProfileId") REFERENCES "ElderProfile"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "AuditLog" ADD CONSTRAINT "AuditLog_familyCircleId_fkey" FOREIGN KEY ("familyCircleId") REFERENCES "FamilyCircle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "AuditLog" ADD CONSTRAINT "AuditLog_actorId_fkey" FOREIGN KEY ("actorId") REFERENCES "CaregiverAccount"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/schema.prisma

@@ -45,17 +45,103 @@ enum ToolCallStatus {
   FAILURE
 }
 
+enum FamilyRole {
+  ADMIN
+  CAREGIVER
+  CARING
+}
+
+enum MembershipStatus {
+  ACTIVE
+  REMOVED
+}
+
+enum InvitationStatus {
+  PENDING
+  ACCEPTED
+  EXPIRED
+  REVOKED
+}
+
+enum ContentVisibility {
+  ELDER_ONLY
+  FAMILY_ONLY
+  FAMILY_AND_ELDER
+}
+
+enum MemoPriority {
+  NORMAL
+  IMPORTANT
+  PINNED
+}
+
+enum CareTaskStatus {
+  OPEN
+  CLAIMED
+  COMPLETED
+  CANCELLED
+}
+
+enum MedicationSource {
+  PRESCRIPTION
+  PACKAGE_LABEL
+  FAMILY_ENTRY
+}
+
+enum MedicationDoseStatus {
+  SCHEDULED
+  REMINDING
+  TAKEN
+  SNOOZED
+  SKIPPED
+  MISSED
+  NEEDS_FAMILY_CONFIRMATION
+}
+
+enum CheckInStatus {
+  PENDING
+  SAFE
+  NEEDS_CONTACT
+  DECLINED
+  EXPIRED
+}
+
+enum AlertLevel {
+  RED
+  ORANGE
+  YELLOW
+  BLUE
+}
+
+enum AlertStatus {
+  OPEN
+  ACKNOWLEDGED
+  RESOLVED
+  DISMISSED
+}
+
 model CaregiverAccount {
-  id                String             @id @default(cuid())
-  username          String?            @unique
-  passwordHash      String?
-  nickname          String?
-  createdAt         DateTime           @default(now())
-  updatedAt         DateTime           @updatedAt
-  sessions          CaregiverSession[]
-  bindings          DeviceBinding[]
-  messages          FamilyMessage[]
-  pushSubscriptions PushSubscription[]
+  id                 String             @id @default(cuid())
+  username           String?            @unique
+  passwordHash       String?
+  nickname           String?
+  createdAt          DateTime           @default(now())
+  updatedAt          DateTime           @updatedAt
+  sessions           CaregiverSession[]
+  bindings           DeviceBinding[]
+  messages           FamilyMessage[]
+  pushSubscriptions  PushSubscription[]
+  createdCircles     FamilyCircle[]     @relation("CircleCreator")
+  memberships        FamilyMembership[]
+  posts              FamilyPost[]
+  memos              FamilyMemo[]
+  createdTasks       CareTask[]         @relation("TaskCreator")
+  assignedTasks      CareTask[]         @relation("TaskAssignee")
+  medicationPlans    MedicationPlan[]
+  requestedCheckIns  CheckInRequest[]
+  claimedAlerts      SafetyAlert[]      @relation("AlertClaimer")
+  auditLogs          AuditLog[]
+  createdInvitations FamilyInvitation[] @relation("InvitationCreator")
 }
 
 model CaregiverSession {
@@ -84,6 +170,257 @@ model ElderDevice {
   conversationTurns ConversationTurn[]
   usageEvents       UsageEvent[]
   toolCalls         ToolCallLog[]
+  deviceTokenHash   String?
+  elderProfile      ElderProfile?
+}
+
+model ElderProfile {
+  id             String          @id @default(cuid())
+  elderDeviceId  String          @unique
+  preferredName  String
+  timezone       String          @default("Asia/Shanghai")
+  createdAt      DateTime        @default(now())
+  updatedAt      DateTime        @updatedAt
+  elderDevice    ElderDevice     @relation(fields: [elderDeviceId], references: [id], onDelete: Cascade)
+  familyCircle   FamilyCircle?
+  consentSetting ConsentSetting?
+}
+
+model FamilyCircle {
+  id              String             @id @default(cuid())
+  elderProfileId  String             @unique
+  createdById     String
+  name            String
+  createdAt       DateTime           @default(now())
+  updatedAt       DateTime           @updatedAt
+  elderProfile    ElderProfile       @relation(fields: [elderProfileId], references: [id], onDelete: Cascade)
+  createdBy       CaregiverAccount   @relation("CircleCreator", fields: [createdById], references: [id], onDelete: Restrict)
+  memberships     FamilyMembership[]
+  posts           FamilyPost[]
+  memos           FamilyMemo[]
+  tasks           CareTask[]
+  medicationPlans MedicationPlan[]
+  checkIns        CheckInRequest[]
+  safetySignals   SafetySignal[]
+  alerts          SafetyAlert[]
+  memories        FamilyMemory[]
+  auditLogs       AuditLog[]
+  invitations     FamilyInvitation[]
+}
+
+model FamilyInvitation {
+  id             String           @id @default(cuid())
+  familyCircleId String
+  createdById    String
+  tokenHash      String           @unique
+  role           FamilyRole       @default(CARING)
+  relationLabel  String?
+  status         InvitationStatus @default(PENDING)
+  expiresAt      DateTime
+  acceptedAt     DateTime?
+  createdAt      DateTime         @default(now())
+  familyCircle   FamilyCircle     @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  createdBy      CaregiverAccount @relation("InvitationCreator", fields: [createdById], references: [id], onDelete: Cascade)
+
+  @@index([familyCircleId, status, expiresAt])
+}
+
+model FamilyMembership {
+  id             String           @id @default(cuid())
+  familyCircleId String
+  caregiverId    String
+  role           FamilyRole       @default(CARING)
+  relationLabel  String?
+  status         MembershipStatus @default(ACTIVE)
+  emergencyPush  Boolean          @default(true)
+  routinePush    Boolean          @default(true)
+  dutyOrder      Int?
+  createdAt      DateTime         @default(now())
+  updatedAt      DateTime         @updatedAt
+  familyCircle   FamilyCircle     @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  caregiver      CaregiverAccount @relation(fields: [caregiverId], references: [id], onDelete: Cascade)
+
+  @@unique([familyCircleId, caregiverId])
+  @@index([caregiverId, status])
+}
+
+model FamilyPost {
+  id             String            @id @default(cuid())
+  familyCircleId String
+  authorId       String?
+  content        String
+  visibility     ContentVisibility @default(FAMILY_AND_ELDER)
+  elderAuthored  Boolean           @default(false)
+  pinned         Boolean           @default(false)
+  deliveredAt    DateTime?
+  readAt         DateTime?
+  createdAt      DateTime          @default(now())
+  familyCircle   FamilyCircle      @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  author         CaregiverAccount? @relation(fields: [authorId], references: [id], onDelete: SetNull)
+
+  @@index([familyCircleId, createdAt(sort: Desc)])
+}
+
+model FamilyMemo {
+  id             String            @id @default(cuid())
+  familyCircleId String
+  authorId       String
+  title          String
+  content        String
+  priority       MemoPriority      @default(NORMAL)
+  visibility     ContentVisibility @default(FAMILY_AND_ELDER)
+  createdAt      DateTime          @default(now())
+  updatedAt      DateTime          @updatedAt
+  familyCircle   FamilyCircle      @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  author         CaregiverAccount  @relation(fields: [authorId], references: [id], onDelete: Restrict)
+
+  @@index([familyCircleId, priority, updatedAt(sort: Desc)])
+}
+
+model CareTask {
+  id             String            @id @default(cuid())
+  familyCircleId String
+  createdById    String
+  assignedToId   String?
+  title          String
+  description    String?
+  dueAt          DateTime?
+  status         CareTaskStatus    @default(OPEN)
+  completedAt    DateTime?
+  completionNote String?
+  createdAt      DateTime          @default(now())
+  updatedAt      DateTime          @updatedAt
+  familyCircle   FamilyCircle      @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  createdBy      CaregiverAccount  @relation("TaskCreator", fields: [createdById], references: [id], onDelete: Restrict)
+  assignedTo     CaregiverAccount? @relation("TaskAssignee", fields: [assignedToId], references: [id], onDelete: SetNull)
+
+  @@index([familyCircleId, status, dueAt])
+}
+
+model MedicationPlan {
+  id             String           @id @default(cuid())
+  familyCircleId String
+  createdById    String
+  name           String
+  dosage         String
+  instructions   String?
+  timesJson      String
+  source         MedicationSource
+  startDate      DateTime
+  endDate        DateTime?
+  stockCount     Int?
+  active         Boolean          @default(true)
+  pausedReason   String?
+  createdAt      DateTime         @default(now())
+  updatedAt      DateTime         @updatedAt
+  familyCircle   FamilyCircle     @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  createdBy      CaregiverAccount @relation(fields: [createdById], references: [id], onDelete: Restrict)
+  doses          MedicationDose[]
+
+  @@index([familyCircleId, active])
+}
+
+model MedicationDose {
+  id               String               @id @default(cuid())
+  medicationPlanId String
+  scheduledFor     DateTime
+  status           MedicationDoseStatus @default(SCHEDULED)
+  respondedAt      DateTime?
+  snoozedUntil     DateTime?
+  note             String?
+  createdAt        DateTime             @default(now())
+  updatedAt        DateTime             @updatedAt
+  medicationPlan   MedicationPlan       @relation(fields: [medicationPlanId], references: [id], onDelete: Cascade)
+
+  @@unique([medicationPlanId, scheduledFor])
+  @@index([scheduledFor, status])
+}
+
+model CheckInRequest {
+  id             String           @id @default(cuid())
+  familyCircleId String
+  requestedById  String
+  prompt         String?
+  dueAt          DateTime?
+  status         CheckInStatus    @default(PENDING)
+  responseText   String?
+  respondedAt    DateTime?
+  createdAt      DateTime         @default(now())
+  updatedAt      DateTime         @updatedAt
+  familyCircle   FamilyCircle     @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  requestedBy    CaregiverAccount @relation(fields: [requestedById], references: [id], onDelete: Restrict)
+
+  @@index([familyCircleId, status, createdAt(sort: Desc)])
+}
+
+model SafetySignal {
+  id             String       @id @default(cuid())
+  familyCircleId String
+  category       String
+  summary        String
+  confidence     Float?
+  contextText    String?
+  createdAt      DateTime     @default(now())
+  familyCircle   FamilyCircle @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  alert          SafetyAlert?
+
+  @@index([familyCircleId, category, createdAt(sort: Desc)])
+}
+
+model SafetyAlert {
+  id             String            @id @default(cuid())
+  familyCircleId String
+  safetySignalId String            @unique
+  claimedById    String?
+  level          AlertLevel
+  status         AlertStatus       @default(OPEN)
+  title          String
+  summary        String
+  resolutionNote String?
+  claimedAt      DateTime?
+  resolvedAt     DateTime?
+  createdAt      DateTime          @default(now())
+  updatedAt      DateTime          @updatedAt
+  familyCircle   FamilyCircle      @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  safetySignal   SafetySignal      @relation(fields: [safetySignalId], references: [id], onDelete: Cascade)
+  claimedBy      CaregiverAccount? @relation("AlertClaimer", fields: [claimedById], references: [id], onDelete: SetNull)
+
+  @@index([familyCircleId, status, createdAt(sort: Desc)])
+}
+
+model FamilyMemory {
+  id             String       @id @default(cuid())
+  familyCircleId String
+  title          String
+  story          String
+  mediaUrl       String?
+  occurredAt     DateTime?
+  createdAt      DateTime     @default(now())
+  familyCircle   FamilyCircle @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+}
+
+model ConsentSetting {
+  id               String       @id @default(cuid())
+  elderProfileId   String       @unique
+  shareTranscripts Boolean      @default(true)
+  shareRawAudio    Boolean      @default(false)
+  updatedAt        DateTime     @updatedAt
+  elderProfile     ElderProfile @relation(fields: [elderProfileId], references: [id], onDelete: Cascade)
+}
+
+model AuditLog {
+  id             String            @id @default(cuid())
+  familyCircleId String
+  actorId        String?
+  action         String
+  entityType     String
+  entityId       String?
+  detailJson     String?
+  createdAt      DateTime          @default(now())
+  familyCircle   FamilyCircle      @relation(fields: [familyCircleId], references: [id], onDelete: Cascade)
+  actor          CaregiverAccount? @relation(fields: [actorId], references: [id], onDelete: SetNull)
+
+  @@index([familyCircleId, createdAt(sort: Desc)])
 }
 
 model DeviceBinding {
@@ -175,4 +512,4 @@ model ToolCallLog {
 
   @@index([elderDeviceId, createdAt(sort: Desc)])
   @@index([toolName, createdAt(sort: Desc)])
-}
+}