diff --git a/alembic/versions/c6b1d8f2a9e3_compat_placeholder.py b/alembic/versions/c6b1d8f2a9e3_compat_placeholder.py
new file mode 100644
index 0000000..772303b
--- /dev/null
+++ b/alembic/versions/c6b1d8f2a9e3_compat_placeholder.py
@@ -0,0 +1,22 @@
+"""Compatibility placeholder for removed revision c6b1d8f2a9e3.
+
+Revision ID: c6b1d8f2a9e3
+Revises: 4f1d2a9c8b71
+Create Date: 2026-03-05 00:00:00.000000
+"""
+
+from collections.abc import Sequence
+
+# revision identifiers, used by Alembic.
+revision: str = "c6b1d8f2a9e3"
+down_revision: str | None = "4f1d2a9c8b71"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    pass
+
+
+def downgrade() -> None:
+    pass