feat: add started_at/completed_at columns to notes

alembic/versions/0032_add_task_timestamps.py

@@ -0,0 +1,19 @@
+"""Add started_at and completed_at to notes."""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0032"
+down_revision = "0031"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column("notes", sa.Column("started_at", sa.DateTime(timezone=True), nullable=True))
+    op.add_column("notes", sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True))
+
+
+def downgrade() -> None:
+    op.drop_column("notes", "completed_at")
+    op.drop_column("notes", "started_at")