fix: 解决问题

src/db/schema.ts

@@ -0,0 +1,14 @@
+import { pgTable, serial, text, varchar, uuid, boolean, jsonb, timestamp } from "drizzle-orm/pg-core";
+import { InferSelectModel, InferInsertModel } from "drizzle-orm";
+
+export const aiUsages = pgTable('cf_ai_usage_cache', {
+  id: uuid('id').primaryKey().defaultRandom(),
+  owner: uuid('owner'),
+  data: jsonb('data').notNull().default({}),
+  createdAt: timestamp('createdAt').notNull().defaultNow(),
+  updatedAt: timestamp('updatedAt').notNull().defaultNow(),
+  deletedAt: timestamp('deletedAt'),
+});
+
+// 类型推断
+export type AiUsage = InferSelectModel<typeof aiUsages>;