Finish migration prisma to drizzle.

src/db/schema/06_database.ts

@@ -11,7 +11,7 @@ export const database = pgTable("databases", {
     agentDatabaseId: uuid("agent_database_id").notNull().defaultRandom(),
     name: text("name").notNull(),
     dbms: dbmsEnum("dbms").notNull(),
-    description: text("description").notNull(),
+    description: text("description"),
     backupPolicy: text("backup_policy"),
     isWaitingForBackup: boolean("is_waiting_for_backup").default(false).notNull(),
     backupToRestore: text("backup_to_restore"),
@@ -23,8 +23,7 @@ export const database = pgTable("databases", {
     lastContact: timestamp("last_contact"),
 
     projectId: uuid("project_id")
-        .references(() => project.id)
-        .notNull(),
+        .references(() => project.id),
 });
 
 export const backup = pgTable(

src/db/schema/07_agent.ts

@@ -1,6 +1,8 @@
 import { pgTable, text, timestamp, uuid } from "drizzle-orm/pg-core";
 import { createSelectSchema } from "drizzle-zod";
 import { z } from "zod";
+import {database} from "@/db/schema/06_database";
+import {relations} from "drizzle-orm";
 
 export const agent = pgTable("agents", {
     id: uuid("id").primaryKey().defaultRandom(),
@@ -14,3 +16,8 @@ export const agent = pgTable("agents", {
 
 export const agentSchema = createSelectSchema(agent);
 export type Agent = z.infer<typeof agentSchema>;
+
+
+export const agentRelations = relations(agent, ({ many }) => ({
+    databases: many(database),
+}));