feat(admin): 设备存活监控接口 + 首次无障碍开启时间(first_protected_at) (#80)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> --------- Co-authored-by: 陈世睿 <2839904623@qq.com> Reviewed-on: #80 Co-authored-by: chenshirui <chenshirui@wonderable.ai> Co-committed-by: chenshirui <chenshirui@wonderable.ai>
2026-06-26 15:28:16 +08:00
parent 2eb44fe947
commit 1d6432d8bb
7 changed files with 310 additions and 1 deletions
@@ -0,0 +1,31 @@
+"""device_liveness 加 first_protected_at(首次开无障碍时刻)
+
+Revision ID: device_first_protected_at
+Revises: bcfcaf07152b
+Create Date: 2026-06-25 00:00:00.000000
+
+admin 设备存活页要展示「首次无障碍开启时间」。touch_heartbeat 在 ever_protected 首次翻 true
+时记一次(后续心跳不覆盖)。仅新增可空列,SQLite 原生支持 add_column、不用 batch;downgrade
+的 drop_column 在 SQLite 走 batch_alter_table 兜底。老设备无此时刻 → 留 NULL(无法准确回填)。
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "device_first_protected_at"
+down_revision: Union[str, Sequence[str], None] = "bcfcaf07152b"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "device_liveness",
+        sa.Column("first_protected_at", sa.DateTime(timezone=True), nullable=True),
+    )
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("device_liveness") as batch_op:
+        batch_op.drop_column("first_protected_at")