feat: 工作台聊天室功能

drizzle/0002_orange_black_knight.sql

@@ -0,0 +1,24 @@
+CREATE TABLE `conversations` (
+	`created_at` text NOT NULL,
+	`id` text PRIMARY KEY NOT NULL,
+	`model_id` text NOT NULL,
+	`project_id` text NOT NULL,
+	`title` text DEFAULT '新会话' NOT NULL,
+	`updated_at` text NOT NULL,
+	FOREIGN KEY (`model_id`) REFERENCES `models`(`id`) ON UPDATE no action ON DELETE no action,
+	FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+CREATE INDEX `conversations_project_id_idx` ON `conversations` (`project_id`);
+--> statement-breakpoint
+CREATE TABLE `messages` (
+	`content` text DEFAULT '' NOT NULL,
+	`conversation_id` text NOT NULL,
+	`created_at` text NOT NULL,
+	`id` text PRIMARY KEY NOT NULL,
+	`parts` text,
+	`role` text NOT NULL,
+	FOREIGN KEY (`conversation_id`) REFERENCES `conversations`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE INDEX `messages_conversation_id_idx` ON `messages` (`conversation_id`);