ALTER TABLE "stream_sessions" ADD COLUMN "media_provider" varchar(32) DEFAULT 'mock' NOT NULL;--> statement-breakpoint ALTER TABLE "stream_sessions" ADD COLUMN "media_session_id" varchar(255);--> statement-breakpoint ALTER TABLE "stream_sessions" ADD COLUMN "publish_endpoint" text;--> statement-breakpoint ALTER TABLE "stream_sessions" ADD COLUMN "subscribe_endpoint" text;