From 390774c79a876bf799661f5fdfac42e311969dd8 Mon Sep 17 00:00:00 2001
From: "Adrian A. Baumann" <ade@adebaumann.com>
Date: Sun, 1 Mar 2026 11:43:58 +0100
Subject: [PATCH] feat: default interface broadcast to 'detect'

---
 ...0011_interface_broadcast_default_detect.py | 33 +++++++++++++++++++
 backend/app/models.py                         |  2 +-
 backend/app/schemas.py                        |  2 +-
 3 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 backend/alembic/versions/0011_interface_broadcast_default_detect.py

diff --git a/backend/alembic/versions/0011_interface_broadcast_default_detect.py b/backend/alembic/versions/0011_interface_broadcast_default_detect.py
new file mode 100644
index 0000000..a652691
--- /dev/null
+++ b/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,
+    )
diff --git a/backend/app/models.py b/backend/app/models.py
index 540546e..6bafaaa 100644
--- a/backend/app/models.py
+++ b/backend/app/models.py
@@ -60,7 +60,7 @@ class Interface(Base):
     config_id: Mapped[int] = mapped_column(Integer, ForeignKey("configs.id"), nullable=False)
     name: Mapped[str] = mapped_column(String(32), nullable=False)
     zone_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("zones.id"), nullable=True)
-    broadcast: Mapped[str] = mapped_column(String(64), default="")
+    broadcast: Mapped[str] = mapped_column(String(64), default="detect")
     options: Mapped[str] = mapped_column(Text, default="")
 
     config: Mapped["Config"] = relationship("Config", back_populates="interfaces")
diff --git a/backend/app/schemas.py b/backend/app/schemas.py
index b876b76..33ce7cf 100644
--- a/backend/app/schemas.py
+++ b/backend/app/schemas.py
@@ -65,7 +65,7 @@ class ZoneOut(BaseModel):
 class InterfaceCreate(BaseModel):
     name: str
     zone_id: Optional[int] = None
-    broadcast: str = ""
+    broadcast: str = "detect"
     options: str = ""