CREATE TABLE `phase_dependencies` (
	`id` text PRIMARY KEY NOT NULL,
	`phase_id` text NOT NULL,
	`depends_on_phase_id` text NOT NULL,
	`created_at` integer NOT NULL,
	FOREIGN KEY (`phase_id`) REFERENCES `phases`(`id`) ON UPDATE no action ON DELETE cascade,
	FOREIGN KEY (`depends_on_phase_id`) REFERENCES `phases`(`id`) ON UPDATE no action ON DELETE cascade
);