diff --git a/alembic/versions/bb47051068c8_device_table.py b/alembic/versions/bb47051068c8_device_table.py
new file mode 100644
index 0000000..d027e37
--- /dev/null
+++ b/alembic/versions/bb47051068c8_device_table.py
@@ -0,0 +1,59 @@
+"""device table(设备档案 / 终端注册)
+
+Revision ID: bb47051068c8
+Revises: comparison_llm_cost
+Create Date: 2026-07-16 14:22:17.770307
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'bb47051068c8'
+down_revision: Union[str, Sequence[str], None] = 'comparison_llm_cost'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        'device',
+        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column('device_id', sa.String(length=128), nullable=False),
+        sa.Column('user_id', sa.Integer(), nullable=True),
+        sa.Column('platform', sa.String(length=16), nullable=False),
+        sa.Column('oem', sa.String(length=32), nullable=True),
+        sa.Column('model', sa.String(length=64), nullable=True),
+        sa.Column('os_version', sa.String(length=32), nullable=True),
+        sa.Column('app_version', sa.String(length=32), nullable=True),
+        sa.Column('channel', sa.String(length=32), nullable=True),
+        sa.Column('screen', sa.String(length=32), nullable=True),
+        sa.Column('network', sa.String(length=16), nullable=True),
+        sa.Column('timezone', sa.String(length=64), nullable=True),
+        sa.Column('is_emulator', sa.Boolean(), nullable=True),
+        sa.Column('latitude', sa.Float(), nullable=True),
+        sa.Column('longitude', sa.Float(), nullable=True),
+        sa.Column('last_ip', sa.String(length=64), nullable=True),
+        sa.Column('status', sa.String(length=16), nullable=False),
+        sa.Column('last_active_at', sa.DateTime(timezone=True), nullable=True),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
+        sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+        sa.PrimaryKeyConstraint('id'),
+    )
+    with op.batch_alter_table('device', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_device_device_id'), ['device_id'], unique=True)
+        batch_op.create_index(batch_op.f('ix_device_last_active_at'), ['last_active_at'], unique=False)
+        batch_op.create_index(batch_op.f('ix_device_user_id'), ['user_id'], unique=False)
+
+
+def downgrade() -> None:
+    with op.batch_alter_table('device', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_device_user_id'))
+        batch_op.drop_index(batch_op.f('ix_device_last_active_at'))
+        batch_op.drop_index(batch_op.f('ix_device_device_id'))
+
+    op.drop_table('device')
diff --git a/app/admin/repositories/queries.py b/app/admin/repositories/queries.py
index 501dba9..61d791a 100644
--- a/app/admin/repositories/queries.py
+++ b/app/admin/repositories/queries.py
@@ -20,7 +20,7 @@ from app.models.admin import AdminAuditLog
 from app.models.analytics_event import AnalyticsEvent
 from app.models.comparison import ComparisonRecord
 from app.models.coupon_state import CouponPromptEngagement
-from app.models.device import DeviceLiveness
+from app.models.device_liveness import DeviceLiveness
 from app.models.feedback import Feedback
 from app.models.onboarding import OnboardingCompletion
 from app.models.price_report import PriceReport
diff --git a/app/api/v1/device_profile.py b/app/api/v1/device_profile.py
new file mode 100644
index 0000000..788c5d7
--- /dev/null
+++ b/app/api/v1/device_profile.py
@@ -0,0 +1,51 @@
+"""设备档案上报 endpoint(device 表)。
+
+POST /api/v1/device/report — 客户端上报设备当前信息,按 device_id upsert 到 device 表。
+软鉴权:带合法 Bearer → 设备关联到该用户;游客态(无 token)也接受,user_id 暂空。
+
+注意与 /api/v1/device/register(app/api/v1/device.py)区分:那个是无障碍存活注册,写
+device_liveness 表、硬鉴权;本端点是设备信息档案,写 device 表、软鉴权。
+"""
+from __future__ import annotations
+
+import logging
+
+from fastapi import APIRouter, Request
+
+from app.api.deps import DbSession, OptionalUser
+from app.repositories import device_profile as device_profile_repo
+from app.schemas.device_profile import DeviceReportOut, DeviceReportRequest
+
+logger = logging.getLogger("shagua.device_profile")
+
+router = APIRouter(prefix="/api/v1/device", tags=["device"])
+
+
+def _client_ip(request: Request) -> str | None:
+    """客户端 IP:生产经 nginx 反代优先 X-Forwarded-For 第一段,否则直连 IP。"""
+    xff = request.headers.get("x-forwarded-for")
+    if xff:
+        return xff.split(",")[0].strip()
+    return request.client.host if request.client else None
+
+
+@router.post("/report", response_model=DeviceReportOut, summary="上报设备信息(设备档案 upsert)")
+def report_device(
+    req: DeviceReportRequest,
+    request: Request,
+    user: OptionalUser,
+    db: DbSession,
+) -> DeviceReportOut:
+    device = device_profile_repo.upsert_device(
+        db,
+        req,
+        user_id=user.id if user else None,
+        last_ip=_client_ip(request),
+    )
+    logger.info(
+        "device report device_id=%s user_id=%s has_loc=%s",
+        req.device_id,
+        device.user_id,
+        req.latitude is not None,
+    )
+    return DeviceReportOut()
diff --git a/app/main.py b/app/main.py
index 3b3b6ff..c644c28 100644
--- a/app/main.py
+++ b/app/main.py
@@ -28,6 +28,7 @@ from app.api.v1.compare_record import router as compare_record_router
 from app.api.v1.coupon import router as coupon_router
 from app.api.v1.cps_redirect import router as cps_redirect_router
 from app.api.v1.device import router as device_router
+from app.api.v1.device_profile import router as device_profile_router
 from app.api.v1.feedback import router as feedback_router
 from app.api.v1.invite import router as invite_router
 from app.api.v1.meituan import router as meituan_router
@@ -120,6 +121,7 @@ app.include_router(analytics_router)
 app.include_router(invite_router)
 app.include_router(coupon_router)
 app.include_router(device_router)
+app.include_router(device_profile_router)
 app.include_router(compare_router)
 app.include_router(compare_record_router)
 app.include_router(compare_milestone_router)
diff --git a/app/models/__init__.py b/app/models/__init__.py
index 694aa00..eb5dd9d 100644
--- a/app/models/__init__.py
+++ b/app/models/__init__.py
@@ -19,7 +19,8 @@ from app.models.cps_link import CpsClick, CpsLink  # noqa: F401
 from app.models.cps_order import CpsOrder  # noqa: F401
 from app.models.cps_wx_user import CpsWxUser  # noqa: F401
 from app.models.comparison_milestone import ComparisonMilestoneClaim  # noqa: F401
-from app.models.device import DeviceLiveness  # noqa: F401
+from app.models.device import Device  # noqa: F401
+from app.models.device_liveness import DeviceLiveness  # noqa: F401
 from app.models.coupon_state import (  # noqa: F401
     CouponClaimRecord,
     CouponDailyCompletion,
diff --git a/app/models/device.py b/app/models/device.py
index e1d1261..7aae66d 100644
--- a/app/models/device.py
+++ b/app/models/device.py
@@ -1,83 +1,71 @@
-"""设备表(无障碍保护存活检测 + 极光推送)。
+"""设备表(设备档案 / 终端注册)。
 
-每条 = 一个用户的一台设备(per-install,device_id 由客户端 DeviceId.get() 生成)。
-客户端的无障碍服务存活时周期上报心跳刷新 last_heartbeat_at;App 前台/登录时上报
-registration_id(极光推送目标)。后端 heartbeat_monitor_worker 扫描「曾经保护过、
-现在心跳超时」的设备,通过极光推送提醒用户重开无障碍。
+每条 = 一台设备,以客户端生成的 device_id 唯一标识(格式 device_<MODEL>_<8hex>,
+per-install;见 pricebot 客户端 PriceBotService.getOrCreateDeviceId)。登录前(游客态)
+即可建档,登录后回填 user_id ——单表只记「最近一个」登录用户,不保留一机多号历史。
 
-liveness_state 状态机(防刷屏,一次掉线只推一条):
-  unknown → alive(收到 service 心跳)→ silent/notified(扫描发现超时并已推送)
-  心跳恢复时 handler 重置回 alive。
-见 spec: spec/accessibility-liveness-push.md。
+字段采集来源(逐列见注释):
+  已在埋点 analytics_event 采集     : oem / os_version / model / app_version / channel / network
+  服务端补                          : last_ip(X-Forwarded-For)、last_active_at
+  客户端需「新增」上报(无需权限)   : timezone、is_emulator
+  客户端需「新增」上报 + 定位权限 + 隐私合规(PIPL 敏感信息): latitude / longitude
+
+与 device_liveness(无障碍存活/极光推送,见 device_liveness.py)是两张相互独立的表,
+靠同一个 device_id 关联,不要合并。
 """
 from __future__ import annotations
 
 from datetime import datetime
 
-from sqlalchemy import (
-    Boolean,
-    DateTime,
-    ForeignKey,
-    Integer,
-    String,
-    UniqueConstraint,
-    func,
-)
+from sqlalchemy import Boolean, DateTime, Float, ForeignKey, Integer, String, func
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.db.base import Base
 
 
-class DeviceLiveness(Base):
-    # 表名不叫 device:device 易被当成「设备信息(品牌/型号/系统)」表;本表实为**无障碍存活监控状态**
-    # (心跳 last_heartbeat_at + liveness_state + kill_alert_pending + 推送目标 registration_id),故名 device_liveness。
-    __tablename__ = "device_liveness"
-    __table_args__ = (
-        UniqueConstraint("user_id", "device_id", name="uq_device_liveness_user_device"),
-    )
+class Device(Base):
+    __tablename__ = "device"
 
     id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
-    user_id: Mapped[int] = mapped_column(
-        Integer, ForeignKey("user.id"), index=True, nullable=False
-    )
-    # 客户端 DeviceId.get() 生成的 per-install id(如 device_Pixel_ab12cd34)
-    device_id: Mapped[str] = mapped_column(String(128), index=True, nullable=False)
-    # 极光推送 registration id;拿到才填(JCollectionAuth 同意后才下发)
-    registration_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
-    platform: Mapped[str] = mapped_column(String(16), nullable=False, default="android")
-    app_version: Mapped[str | None] = mapped_column(String(32), nullable=True)
 
-    # 收到过 service 心跳即 true(=该设备开过无障碍,功能对它有意义)
-    ever_protected: Mapped[bool] = mapped_column(
-        Boolean, nullable=False, default=False
+    # 客户端生成的设备唯一 ID(全局唯一);与 analytics_event / device_liveness 用同一个值
+    device_id: Mapped[str] = mapped_column(
+        String(128), unique=True, index=True, nullable=False
     )
-    # 首次开无障碍(首次收到 accessibility_enabled 心跳)的时刻;ever_protected 第一次翻 true 时记一次,
-    # 后续心跳不覆盖。老设备(迁移前已 protected)无此值 → NULL。
-    first_protected_at: Mapped[datetime | None] = mapped_column(
-        DateTime(timezone=True), nullable=True
+    # 关联用户:登录后回填「最近一次登录」的 user;游客态为空(可空 → 不阻塞未登录建档)
+    user_id: Mapped[int | None] = mapped_column(
+        Integer, ForeignKey("user.id"), index=True, nullable=True
     )
-    # 最近一次 service 心跳时间(存活证明);超时即视为保护掉线
-    last_heartbeat_at: Mapped[datetime | None] = mapped_column(
+
+    # ---- 设备 / 系统信息(埋点已采集,注册/上报接口带过来即可) ----
+    platform: Mapped[str] = mapped_column(String(16), nullable=False, default="android")  # android/ios/harmony
+    oem: Mapped[str | None] = mapped_column(String(32), nullable=True)          # 厂商 Build.MANUFACTURER:xiaomi/huawei…
+    model: Mapped[str | None] = mapped_column(String(64), nullable=True)        # 型号 Build.MODEL,如 PJF110
+    os_version: Mapped[str | None] = mapped_column(String(32), nullable=True)   # 系统版本,如 "Android 13"
+    app_version: Mapped[str | None] = mapped_column(String(32), nullable=True)  # app 版本
+    channel: Mapped[str | None] = mapped_column(String(32), nullable=True)      # 安装渠道(应用市场)
+    screen: Mapped[str | None] = mapped_column(String(32), nullable=True)       # 分辨率 "1080x2400"
+    network: Mapped[str | None] = mapped_column(String(16), nullable=True)      # 最近网络类型 wifi/4g/5g
+
+    # ---- 需客户端「新增」上报的字段 ----
+    # 设备时区 TimeZone.getDefault().id,如 "Asia/Shanghai"(客户端需新增上报,无需权限)
+    timezone: Mapped[str | None] = mapped_column(String(64), nullable=True)
+    # 是否模拟器(客户端 Build 指纹判断后上报;NULL=未知,无需权限)
+    is_emulator: Mapped[bool | None] = mapped_column(Boolean, nullable=True)
+    # 位置(经纬度):App 会申请定位权限,但可能拿不到(首次运行未授权 / 用户拒绝 / 关了 GPS)。
+    # 规则(leader 定):每次上报以实际为准——能拿到就写,拿不到就置 NULL 清空旧值。
+    # ⚠️ upsert 时 lat/lng 必须「整字段覆盖(含 None)」,不能像 model/oem 那样 COALESCE 保留旧值,
+    #    否则会留下一条早已离开该位置的陈旧坐标。
+    latitude: Mapped[float | None] = mapped_column(Float, nullable=True)
+    longitude: Mapped[float | None] = mapped_column(Float, nullable=True)
+
+    # ---- 上下文 / 状态(服务端维护) ----
+    last_ip: Mapped[str | None] = mapped_column(String(64), nullable=True)      # 最近一次上报 IP(服务端从 X-Forwarded-For 取)
+    status: Mapped[str] = mapped_column(String(16), nullable=False, default="normal")  # normal/banned(风控封设备)
+    # 最近活跃时间(设备维度 DAU / 留存统计用;updated_at 只在字段真变化时跳,故单列一个)
+    last_active_at: Mapped[datetime | None] = mapped_column(
         DateTime(timezone=True), index=True, nullable=True
     )
-    # 最近一次上报的无障碍开关状态(观测用)
-    last_report_protection_on: Mapped[bool] = mapped_column(
-        Boolean, nullable=False, default=False
-    )
-    # unknown / alive / silent / notified
-    liveness_state: Mapped[str] = mapped_column(
-        String(16), nullable=False, default="unknown"
-    )
-    # 最近一次推送告警时间
-    notified_at: Mapped[datetime | None] = mapped_column(
-        DateTime(timezone=True), nullable=True
-    )
-    # 掉线告警「待客户端提醒」标记(后置检测 pull 版, 见 spec accessibility-liveness-pull-prompt.md)。
-    # 与 liveness_state 解耦: worker 检出掉线即置 True; touch_heartbeat(心跳恢复)不动它
-    # → 规避「服务随 App 重启先发心跳、state 被重置回 alive → 客户端进 App 漏看」竞态; 只由客户端 ack 清。
-    kill_alert_pending: Mapped[bool] = mapped_column(
-        Boolean, nullable=False, default=False
-    )
 
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), server_default=func.now(), nullable=False
@@ -90,7 +78,4 @@ class DeviceLiveness(Base):
     )
 
     def __repr__(self) -> str:  # pragma: no cover
-        return (
-            f"<DeviceLiveness id={self.id} user_id={self.user_id} "
-            f"device_id={self.device_id} state={self.liveness_state}>"
-        )
+        return f"<Device id={self.id} device_id={self.device_id} user_id={self.user_id}>"
diff --git a/app/models/device_liveness.py b/app/models/device_liveness.py
new file mode 100644
index 0000000..e1d1261
--- /dev/null
+++ b/app/models/device_liveness.py
@@ -0,0 +1,96 @@
+"""设备表(无障碍保护存活检测 + 极光推送)。
+
+每条 = 一个用户的一台设备(per-install,device_id 由客户端 DeviceId.get() 生成)。
+客户端的无障碍服务存活时周期上报心跳刷新 last_heartbeat_at;App 前台/登录时上报
+registration_id(极光推送目标)。后端 heartbeat_monitor_worker 扫描「曾经保护过、
+现在心跳超时」的设备,通过极光推送提醒用户重开无障碍。
+
+liveness_state 状态机(防刷屏,一次掉线只推一条):
+  unknown → alive(收到 service 心跳)→ silent/notified(扫描发现超时并已推送)
+  心跳恢复时 handler 重置回 alive。
+见 spec: spec/accessibility-liveness-push.md。
+"""
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import (
+    Boolean,
+    DateTime,
+    ForeignKey,
+    Integer,
+    String,
+    UniqueConstraint,
+    func,
+)
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base
+
+
+class DeviceLiveness(Base):
+    # 表名不叫 device:device 易被当成「设备信息(品牌/型号/系统)」表;本表实为**无障碍存活监控状态**
+    # (心跳 last_heartbeat_at + liveness_state + kill_alert_pending + 推送目标 registration_id),故名 device_liveness。
+    __tablename__ = "device_liveness"
+    __table_args__ = (
+        UniqueConstraint("user_id", "device_id", name="uq_device_liveness_user_device"),
+    )
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    user_id: Mapped[int] = mapped_column(
+        Integer, ForeignKey("user.id"), index=True, nullable=False
+    )
+    # 客户端 DeviceId.get() 生成的 per-install id(如 device_Pixel_ab12cd34)
+    device_id: Mapped[str] = mapped_column(String(128), index=True, nullable=False)
+    # 极光推送 registration id;拿到才填(JCollectionAuth 同意后才下发)
+    registration_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
+    platform: Mapped[str] = mapped_column(String(16), nullable=False, default="android")
+    app_version: Mapped[str | None] = mapped_column(String(32), nullable=True)
+
+    # 收到过 service 心跳即 true(=该设备开过无障碍,功能对它有意义)
+    ever_protected: Mapped[bool] = mapped_column(
+        Boolean, nullable=False, default=False
+    )
+    # 首次开无障碍(首次收到 accessibility_enabled 心跳)的时刻;ever_protected 第一次翻 true 时记一次,
+    # 后续心跳不覆盖。老设备(迁移前已 protected)无此值 → NULL。
+    first_protected_at: Mapped[datetime | None] = mapped_column(
+        DateTime(timezone=True), nullable=True
+    )
+    # 最近一次 service 心跳时间(存活证明);超时即视为保护掉线
+    last_heartbeat_at: Mapped[datetime | None] = mapped_column(
+        DateTime(timezone=True), index=True, nullable=True
+    )
+    # 最近一次上报的无障碍开关状态(观测用)
+    last_report_protection_on: Mapped[bool] = mapped_column(
+        Boolean, nullable=False, default=False
+    )
+    # unknown / alive / silent / notified
+    liveness_state: Mapped[str] = mapped_column(
+        String(16), nullable=False, default="unknown"
+    )
+    # 最近一次推送告警时间
+    notified_at: Mapped[datetime | None] = mapped_column(
+        DateTime(timezone=True), nullable=True
+    )
+    # 掉线告警「待客户端提醒」标记(后置检测 pull 版, 见 spec accessibility-liveness-pull-prompt.md)。
+    # 与 liveness_state 解耦: worker 检出掉线即置 True; touch_heartbeat(心跳恢复)不动它
+    # → 规避「服务随 App 重启先发心跳、state 被重置回 alive → 客户端进 App 漏看」竞态; 只由客户端 ack 清。
+    kill_alert_pending: Mapped[bool] = mapped_column(
+        Boolean, nullable=False, default=False
+    )
+
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), nullable=False
+    )
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+        nullable=False,
+    )
+
+    def __repr__(self) -> str:  # pragma: no cover
+        return (
+            f"<DeviceLiveness id={self.id} user_id={self.user_id} "
+            f"device_id={self.device_id} state={self.liveness_state}>"
+        )
diff --git a/app/repositories/device.py b/app/repositories/device.py
index c3e9047..77dc584 100644
--- a/app/repositories/device.py
+++ b/app/repositories/device.py
@@ -6,7 +6,7 @@ from datetime import datetime, timedelta, timezone
 from sqlalchemy import select
 from sqlalchemy.orm import Session
 
-from app.models.device import DeviceLiveness
+from app.models.device_liveness import DeviceLiveness
 
 
 def _get(db: Session, *, user_id: int, device_id: str) -> DeviceLiveness | None:
diff --git a/app/repositories/device_profile.py b/app/repositories/device_profile.py
new file mode 100644
index 0000000..83c31a9
--- /dev/null
+++ b/app/repositories/device_profile.py
@@ -0,0 +1,66 @@
+"""device 表(设备档案)读写:按 device_id upsert。
+
+与 repositories/device.py(无障碍存活 DeviceLiveness)是不同的表:本文件写 device 表。
+"""
+from __future__ import annotations
+
+from datetime import datetime, timezone
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.models.device import Device
+from app.schemas.device_profile import DeviceReportRequest
+
+# 设备/系统信息:提供了(非 None)才覆盖,某次上报漏带不会把已有值冲掉
+_STICKY_STR_FIELDS = ("oem", "model", "os_version", "app_version", "channel", "screen", "network", "timezone")
+
+
+def upsert_device(
+    db: Session,
+    req: DeviceReportRequest,
+    *,
+    user_id: int | None,
+    last_ip: str | None,
+) -> Device:
+    """按 device_id upsert 一台设备的档案。
+
+    写入策略分三类:
+      - 设备/系统信息(_STICKY_STR_FIELDS + platform + is_emulator):非空才覆盖(sticky)。
+      - 位置 latitude/longitude:**整字段覆盖,含 None**——以本次上报实际为准,拿不到即清空
+        (leader 规则,见 model Device.latitude 注释;不能像上面那样 sticky)。
+      - user_id:仅登录态(user_id 非 None)回填为当前登录用户;游客态保留已有关联,不清空。
+    last_active_at / last_ip 每次刷新。
+    """
+    now = datetime.now(timezone.utc)
+    device = db.execute(
+        select(Device).where(Device.device_id == req.device_id)
+    ).scalar_one_or_none()
+    if device is None:
+        device = Device(device_id=req.device_id)
+        db.add(device)
+
+    # 设备/系统信息:非空才覆盖
+    if req.platform:
+        device.platform = req.platform
+    for field in _STICKY_STR_FIELDS:
+        val = getattr(req, field)
+        if val is not None:
+            setattr(device, field, val)
+    if req.is_emulator is not None:
+        device.is_emulator = req.is_emulator
+
+    # 位置:整字段覆盖(含 None),以本次实际为准
+    device.latitude = req.latitude
+    device.longitude = req.longitude
+
+    # 关联用户:仅登录态回填,游客态不动
+    if user_id is not None:
+        device.user_id = user_id
+
+    device.last_ip = last_ip
+    device.last_active_at = now
+
+    db.commit()
+    db.refresh(device)
+    return device
diff --git a/app/schemas/device_profile.py b/app/schemas/device_profile.py
new file mode 100644
index 0000000..2562bd2
--- /dev/null
+++ b/app/schemas/device_profile.py
@@ -0,0 +1,35 @@
+"""设备档案上报 schema(device 表)。
+
+与 schemas/device.py(无障碍存活 DeviceLiveness 的 register/heartbeat)是不同用途:
+本文件对应 device 表(设备信息/档案),schemas/device.py 对应 device_liveness 表。
+"""
+from __future__ import annotations
+
+from pydantic import BaseModel, Field
+
+
+class DeviceReportRequest(BaseModel):
+    """客户端上报的一台设备的当前信息(每次以实际为准)。"""
+
+    device_id: str = Field(max_length=128)
+    platform: str = Field(default="android", max_length=16)
+
+    # 设备 / 系统信息:提供了才覆盖(见 repo:非空 sticky)
+    oem: str | None = Field(default=None, max_length=32)
+    model: str | None = Field(default=None, max_length=64)
+    os_version: str | None = Field(default=None, max_length=32)
+    app_version: str | None = Field(default=None, max_length=32)
+    channel: str | None = Field(default=None, max_length=32)
+    screen: str | None = Field(default=None, max_length=32)
+    network: str | None = Field(default=None, max_length=16)
+    timezone: str | None = Field(default=None, max_length=64)
+    is_emulator: bool | None = None
+
+    # 位置:客户端每次带「本次实际」的经纬度,拿不到就传 null(或不传)→ 服务端清空。
+    # 见 model Device.latitude 注释:这两个字段整字段覆盖,不做 sticky。
+    latitude: float | None = None
+    longitude: float | None = None
+
+
+class DeviceReportOut(BaseModel):
+    ok: bool = True
diff --git a/docs/database/device_liveness.md b/docs/database/device_liveness.md
index f2ef1ea..5495f4a 100644
--- a/docs/database/device_liveness.md
+++ b/docs/database/device_liveness.md
@@ -1,6 +1,6 @@
 # device_liveness — 无障碍存活监控(心跳 + 掉线召回)
 
-> 模型 `app/models/device.py`(`DeviceLiveness`) · 仓库 `app/repositories/device.py`(`register_or_update` / `touch_heartbeat` / `list_overdue` / `mark_notified` / `get_device` / `ack_kill_alert`) · 接口 用户 `POST /api/v1/device/register`、`POST /api/v1/device/heartbeat`、`GET /api/v1/device/liveness`、`POST /api/v1/device/liveness/ack`(`app/api/v1/device.py`);后台 worker `heartbeat_monitor_worker` · [← 索引](./README.md) · [总览](./OVERVIEW.md)
+> 模型 `app/models/device_liveness.py`(`DeviceLiveness`) · 仓库 `app/repositories/device.py`(`register_or_update` / `touch_heartbeat` / `list_overdue` / `mark_notified` / `get_device` / `ack_kill_alert`) · 接口 用户 `POST /api/v1/device/register`、`POST /api/v1/device/heartbeat`、`GET /api/v1/device/liveness`、`POST /api/v1/device/liveness/ack`(`app/api/v1/device.py`);后台 worker `heartbeat_monitor_worker` · [← 索引](./README.md) · [总览](./OVERVIEW.md)
 
 每行 = 一个用户的一台设备(per-install,`(user_id, device_id)` 唯一)。客户端无障碍服务存活时周期上报心跳刷新 `last_heartbeat_at`;App 前台/登录拿到极光 push token 时上报 `registration_id`。后端 `heartbeat_monitor_worker` 扫「曾保护过、现已心跳超时」的设备,推送(或本期仅终端打印)提醒用户重开无障碍。**表名不叫 `device`**:它存的不是设备信息(品牌/型号),而是**无障碍存活状态**。#65 新增。
 
diff --git a/tests/test_device_profile.py b/tests/test_device_profile.py
new file mode 100644
index 0000000..9b8e51c
--- /dev/null
+++ b/tests/test_device_profile.py
@@ -0,0 +1,98 @@
+"""设备档案上报端点 /api/v1/device/report + upsert 测试。"""
+from __future__ import annotations
+
+from sqlalchemy import select
+
+from app.core.security import create_token
+from app.db.session import SessionLocal
+from app.models.device import Device
+from app.models.user import User
+
+
+def _payload(**over) -> dict:
+    base = {
+        "device_id": "dev-report-1",
+        "platform": "android",
+        "oem": "Xiaomi",
+        "model": "PJF110",
+        "os_version": "Android 14",
+        "app_version": "0.2.12(62)",
+        "channel": "yingyongbao",
+        "screen": "1080x2400",
+        "network": "wifi",
+        "timezone": "Asia/Shanghai",
+        "is_emulator": False,
+        "latitude": 31.23,
+        "longitude": 121.47,
+    }
+    base.update(over)
+    return base
+
+
+def _get(device_id: str) -> Device | None:
+    with SessionLocal() as db:
+        return db.execute(
+            select(Device).where(Device.device_id == device_id)
+        ).scalar_one_or_none()
+
+
+def test_report_creates_device_as_guest(client) -> None:
+    r = client.post("/api/v1/device/report", json=_payload(device_id="dev-guest"))
+    assert r.status_code == 200, r.text
+    assert r.json()["ok"] is True
+    d = _get("dev-guest")
+    assert d is not None
+    assert d.user_id is None  # 游客态:未绑用户
+    assert d.oem == "Xiaomi"
+    assert d.is_emulator is False
+    assert d.latitude == 31.23
+    assert d.last_active_at is not None
+
+
+def test_report_binds_user_when_authed(client) -> None:
+    with SessionLocal() as db:
+        u = User(phone="13800000001", username="20000000001")
+        db.add(u)
+        db.commit()
+        uid = u.id
+    token, _ = create_token(user_id=uid, token_type="access")
+    r = client.post(
+        "/api/v1/device/report",
+        json=_payload(device_id="dev-user"),
+        headers={"Authorization": f"Bearer {token}"},
+    )
+    assert r.status_code == 200, r.text
+    assert _get("dev-user").user_id == uid
+
+
+def test_report_clears_location_when_absent(client) -> None:
+    # 首次带位置
+    client.post(
+        "/api/v1/device/report",
+        json=_payload(device_id="dev-loc", latitude=10.0, longitude=20.0),
+    )
+    assert _get("dev-loc").latitude == 10.0
+    # 再次上报拿不到位置(lat/lng=None)→ 必须清空,不能保留旧坐标
+    r = client.post(
+        "/api/v1/device/report",
+        json=_payload(device_id="dev-loc", latitude=None, longitude=None, oem="HONOR"),
+    )
+    assert r.status_code == 200, r.text
+    d = _get("dev-loc")
+    assert d.latitude is None  # 位置以实际为准 → 清空
+    assert d.longitude is None
+    assert d.oem == "HONOR"  # 设备信息正常更新
+
+
+def test_report_sticky_fields_not_wiped_by_missing(client) -> None:
+    # 首次全量
+    client.post("/api/v1/device/report", json=_payload(device_id="dev-sticky"))
+    # 再次只带 device_id + 位置(不带 oem/model)→ 设备信息保留旧值(非空才覆盖)
+    client.post(
+        "/api/v1/device/report",
+        json={"device_id": "dev-sticky", "latitude": 1.0, "longitude": 2.0},
+    )
+    d = _get("dev-sticky")
+    assert d.oem == "Xiaomi"  # 未被漏带的 None 冲掉
+    assert d.model == "PJF110"
+    assert d.latitude == 1.0  # 位置按本次