feat: allow participants to ask for email transcript (#923)

* feat: allow participants to ask for email transcript

* fix: set email update in a transaction

server/migrations/versions/a2b3c4d5e6f7_add_email_recipients_to_meeting.py

@@ -0,0 +1,29 @@
+"""add email_recipients to meeting
+
+Revision ID: a2b3c4d5e6f7
+Revises: 501c73a6b0d5
+Create Date: 2026-03-20 00:00:00.000000
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects.postgresql import JSONB
+
+revision: str = "a2b3c4d5e6f7"
+down_revision: Union[str, None] = "501c73a6b0d5"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "meeting",
+        sa.Column("email_recipients", JSONB, nullable=True),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("meeting", "email_recipients")