Generate migrations

Author: couchersbot[bot]

app/backend/src/couchers/migrations/versions/0150_add_last_updated_field_to_photogallery.py

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+"""Add last_updated field to PhotoGallery
+
+Revision ID: 0150
+Revises: 0149
+Create Date: 2026-05-11 04:29:37.805098
+
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "0150"
+down_revision = "0149"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "photo_galleries",
+        sa.Column("last_updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("photo_galleries", "last_updated")