feat: link transcript participants (#737)

* Sync authentik users

* Migrate user_id from uid to id

* Fix auth user id

* Fix ci migration test

* Fix meeting token creation

* Move user id migration to a script

* Add user on first login

* Fix migration chain

* Rename uid column to authentik_uid

* Fix broken ws test

server/migrations/versions/bbafedfa510c_add_user_table.py

@@ -0,0 +1,38 @@
+"""add user table
+
+Revision ID: bbafedfa510c
+Revises: 5d6b9df9b045
+Create Date: 2025-11-19 21:06:30.543262
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "bbafedfa510c"
+down_revision: Union[str, None] = "5d6b9df9b045"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "user",
+        sa.Column("id", sa.String(), nullable=False),
+        sa.Column("email", sa.String(), nullable=False),
+        sa.Column("authentik_uid", sa.String(), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.PrimaryKeyConstraint("id"),
+    )
+
+    with op.batch_alter_table("user", schema=None) as batch_op:
+        batch_op.create_index("idx_user_authentik_uid", ["authentik_uid"], unique=True)
+        batch_op.create_index("idx_user_email", ["email"], unique=False)
+
+
+def downgrade() -> None:
+    op.drop_table("user")