feat(boards): add 'comment_required_for_review' rule and update related logic

backend/migrations/versions/f1b2c3d4e5a6_add_comment_required_for_review_board_rule.py

@@ -0,0 +1,43 @@
+"""add comment-required-for-review board rule
+
+Revision ID: f1b2c3d4e5a6
+Revises: e3a1b2c4d5f6
+Create Date: 2026-02-25 00:00:00.000000
+
+"""
+
+from __future__ import annotations
+
+import sqlalchemy as sa
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = "f1b2c3d4e5a6"
+down_revision = "e3a1b2c4d5f6"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    bind = op.get_bind()
+    inspector = sa.inspect(bind)
+    board_columns = {column["name"] for column in inspector.get_columns("boards")}
+    if "comment_required_for_review" not in board_columns:
+        op.add_column(
+            "boards",
+            sa.Column(
+                "comment_required_for_review",
+                sa.Boolean(),
+                nullable=False,
+                server_default=sa.false(),
+            ),
+        )
+
+
+def downgrade() -> None:
+    bind = op.get_bind()
+    inspector = sa.inspect(bind)
+    board_columns = {column["name"] for column in inspector.get_columns("boards")}
+    if "comment_required_for_review" in board_columns:
+        op.drop_column("boards", "comment_required_for_review")