refactor(database): rename migrations to make them more clear

migrations/versions/2025-08-16_df9f725a077c_room_add_channel_id.py

@@ -0,0 +1,46 @@
+"""room: add channel_id
+
+Revision ID: df9f725a077c
+Revises: dd33d89aa2c2
+Create Date: 2025-08-16 08:05:28.748265
+
+"""
+
+from __future__ import annotations
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision: str = "df9f725a077c"
+down_revision: str | Sequence[str] | None = "dd33d89aa2c2"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column("chat_silence_users", "user_id", existing_type=mysql.BIGINT(), nullable=True)
+    op.alter_column("chat_silence_users", "banned_at", existing_type=mysql.DATETIME(), nullable=True)
+    op.create_index(op.f("ix_chat_silence_users_id"), "chat_silence_users", ["id"], unique=False)
+    op.add_column("rooms", sa.Column("channel_id", sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("rooms", "channel_id")
+    op.drop_index(op.f("ix_chat_silence_users_id"), table_name="chat_silence_users")
+    op.alter_column(
+        "chat_silence_users",
+        "banned_at",
+        existing_type=mysql.DATETIME(),
+        nullable=False,
+    )
+    op.alter_column("chat_silence_users", "user_id", existing_type=mysql.BIGINT(), nullable=False)
+    # ### end Alembic commands ###