feat: default interface broadcast to 'detect'

backend/alembic/versions/0011_interface_broadcast_default_detect.py

@@ -0,0 +1,33 @@
+"""change interface broadcast default to detect
+
+Revision ID: 0011
+Revises: 0010
+Create Date: 2026-03-01
+"""
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0011"
+down_revision = "0010"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.alter_column(
+        "interfaces", "broadcast",
+        existing_type=sa.String(64),
+        server_default="detect",
+        nullable=False,
+    )
+    op.execute("UPDATE interfaces SET broadcast = 'detect' WHERE broadcast = ''")
+
+
+def downgrade() -> None:
+    op.execute("UPDATE interfaces SET broadcast = '' WHERE broadcast = 'detect'")
+    op.alter_column(
+        "interfaces", "broadcast",
+        existing_type=sa.String(64),
+        server_default="''",
+        nullable=False,
+    )