2 files changed, 54 insertions, 0 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/db/migrations/versions/b1c2d3e4f5a6_add_hub_settings.py b/packages/meshbay-hub/src/meshbay_hub/db/migrations/versions/b1c2d3e4f5a6_add_hub_settings.py
new file mode 100644
index 0000000..13f2b5c
--- /dev/null
+++ b/packages/meshbay-hub/src/meshbay_hub/db/migrations/versions/b1c2d3e4f5a6_add_hub_settings.py
@@ -0,0 +1,34 @@
+"""add_hub_settings
+
+Revision ID: b1c2d3e4f5a6
+Revises: a7b8c9d0e1f2
+Create Date: 2026-08-28 12:00:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = 'b1c2d3e4f5a6'
+down_revision: Union[str, Sequence[str], None] = 'a7b8c9d0e1f2'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        'hub_settings',
+        sa.Column('key', sa.String(64), nullable=False),
+        sa.Column('value', sa.Text(), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True),
+                  server_default=sa.func.now(), nullable=False),
+        sa.PrimaryKeyConstraint('key'),
+    )
+    # No seed rows: an absent key is the default, and writing "true" here would
+    # make a later change of default invisible to an already-migrated hub.
+
+
+def downgrade() -> None:
+    op.drop_table('hub_settings')
diff --git a/packages/meshbay-hub/src/meshbay_hub/db/models.py b/packages/meshbay-hub/src/meshbay_hub/db/models.py
index 3966bdc..0c337c1 100644
--- a/packages/meshbay-hub/src/meshbay_hub/db/models.py
+++ b/packages/meshbay-hub/src/meshbay_hub/db/models.py
@@ -299,6 +299,26 @@ class UserPreference(Base):
     value:   Mapped[str] = mapped_column(Text, nullable=False)
 
 
+class HubSetting(Base):
+    """
+    Instance-wide settings an admin changes at runtime from the panel.
+
+    Deliberately a key/value table rather than fields in `hub.toml`: the config
+    file is read once at boot and editing it means an SSH session and a restart,
+    which is not what "toggle this from the admin page" means. Anything here is a
+    policy the running hub can change on itself.
+
+    Absent key ⇒ the built-in default (see `meshbay_hub.hub_settings`). An older
+    hub with no row behaves exactly as it did before the setting existed.
+    """
+    __tablename__ = "hub_settings"
+
+    key:        Mapped[str] = mapped_column(String(64), primary_key=True)
+    value:      Mapped[str] = mapped_column(Text, nullable=False)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), default=_now, onupdate=_now)
+
+
 class IPLog(Base):
     """
     Connection log for legal compliance.