release(main): 同步 dev 最新候选改动

backend/alembic/versions/20260710_04_add_user_login_sessions.py

@@ -0,0 +1,40 @@
+"""Add user login session activity records.
+
+Revision ID: 20260710_04
+Revises: 20260710_03
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+
+revision = "20260710_04"
+down_revision = "20260710_03"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "user_login_sessions",
+        sa.Column("id", sa.Uuid(), nullable=False),
+        sa.Column("user_id", sa.Uuid(), nullable=False),
+        sa.Column("client_type", sa.String(length=16), nullable=False, server_default="web"),
+        sa.Column("client_platform", sa.String(length=32), nullable=True),
+        sa.Column("client_version", sa.String(length=64), nullable=True),
+        sa.Column("client_source", sa.String(length=32), nullable=True),
+        sa.Column("login_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("CURRENT_TIMESTAMP")),
+        sa.Column("last_seen_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("CURRENT_TIMESTAMP")),
+        sa.Column("ended_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("end_reason", sa.String(length=32), nullable=True),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("ix_user_login_sessions_user_login", "user_login_sessions", ["user_id", "login_at"])
+    op.create_index("ix_user_login_sessions_last_seen", "user_login_sessions", ["last_seen_at"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_user_login_sessions_last_seen", table_name="user_login_sessions")
+    op.drop_index("ix_user_login_sessions_user_login", table_name="user_login_sessions")
+    op.drop_table("user_login_sessions")