feat: add disable_device_pairing option to gateway configuration

backend/migrations/versions/c5d1a2b3e4f6_add_disable_device_pairing_to_gateways.py

@@ -0,0 +1,37 @@
+"""Add disable_device_pairing setting to gateways.
+
+Revision ID: c5d1a2b3e4f6
+Revises: b7a1d9c3e4f5
+Create Date: 2026-02-22 00:00:00.000000
+"""
+
+from __future__ import annotations
+
+import sqlalchemy as sa
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = "c5d1a2b3e4f6"
+down_revision = "b7a1d9c3e4f5"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    """Add gateway toggle to bypass device pairing handshake."""
+    op.add_column(
+        "gateways",
+        sa.Column(
+            "disable_device_pairing",
+            sa.Boolean(),
+            nullable=False,
+            server_default=sa.false(),
+        ),
+    )
+    op.alter_column("gateways", "disable_device_pairing", server_default=None)
+
+
+def downgrade() -> None:
+    """Remove gateway toggle to bypass device pairing handshake."""
+    op.drop_column("gateways", "disable_device_pairing")