feat(03-01): add clients and documents tables to Drizzle schema

- Add pgEnum import and documentStatusEnum (Draft, Sent, Viewed, Signed)
- Add clients table (id, name, email, createdAt, updatedAt)
- Add documents table (id, name, clientId FK, status enum, sentAt, createdAt)
- Generate migration 0001_watery_blindfold.sql and apply to local PostgreSQL

teressa-copeland-homes/src/lib/db/schema.ts

@@ -1,4 +1,4 @@
-import { pgTable, text, timestamp } from "drizzle-orm/pg-core";
+import { pgEnum, pgTable, text, timestamp } from "drizzle-orm/pg-core";
 
 export const users = pgTable("users", {
   id: text("id").primaryKey().$defaultFn(() => crypto.randomUUID()),
@@ -6,3 +6,29 @@ export const users = pgTable("users", {
   passwordHash: text("password_hash").notNull(),
   createdAt: timestamp("created_at").defaultNow().notNull(),
 });
+
+export const documentStatusEnum = pgEnum("document_status", [
+  "Draft",
+  "Sent",
+  "Viewed",
+  "Signed",
+]);
+
+export const clients = pgTable("clients", {
+  id: text("id").primaryKey().$defaultFn(() => crypto.randomUUID()),
+  name: text("name").notNull(),
+  email: text("email").notNull(),
+  createdAt: timestamp("created_at").defaultNow().notNull(),
+  updatedAt: timestamp("updated_at").defaultNow().notNull(),
+});
+
+export const documents = pgTable("documents", {
+  id: text("id").primaryKey().$defaultFn(() => crypto.randomUUID()),
+  name: text("name").notNull(),
+  clientId: text("client_id")
+    .notNull()
+    .references(() => clients.id, { onDelete: "cascade" }),
+  status: documentStatusEnum("status").notNull().default("Draft"),
+  sentAt: timestamp("sent_at"),
+  createdAt: timestamp("created_at").defaultNow().notNull(),
+});