fix(user): don't invalidate user cache when user is connecting to spectator-server

resolve the sixth of #90

migrations/versions/2025-12-06_d430db6fc051_user_store_online_status_in_database.py

@@ -0,0 +1,31 @@
+"""user: store online status in database
+
+Revision ID: d430db6fc051
+Revises: 57641cb601f4
+Create Date: 2025-12-06 12:57:44.247351
+
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = "d430db6fc051"
+down_revision: str | Sequence[str] | None = "57641cb601f4"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    op.add_column(
+        "lazer_users",
+        sa.Column("is_online", sa.Boolean(), nullable=False, server_default=sa.text("0")),
+    )
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    op.drop_column("lazer_users", "is_online")