"""Merge multiple alembic heads into a single head.

Merges: a7b2e9f4c3d8, b4d6e8a0c2f4, d2f7c4e8a1b6, e9a7b2c4d6f8

Revision ID: ff1a2b3c4d5e
Revises: a7b2e9f4c3d8, b4d6e8a0c2f4, d2f7c4e8a1b6, e9a7b2c4d6f8
Create Date: 2026-05-03 00:00:00.000000
"""
from typing import Sequence, Union


# revision identifiers, used by Alembic.
revision: str = "ff1a2b3c4d5e"
down_revision: Union[str, Sequence[str], None] = (
    "a7b2e9f4c3d8",
    "b4d6e8a0c2f4",
    "d2f7c4e8a1b6",
    "e9a7b2c4d6f8",
)
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """No schema changes — merge only."""
    pass


def downgrade() -> None:
    """No schema changes — merge only."""
    pass