feat(auth): 强制要求用户名，- 添加 hooks 验证注册时 username 必填

- 修改数据库 schema: username 设为 NOT NULL
- 重置并重新初始化本地和生产数据库
- 更新 .env.example 添加 Resend SMTP 配置说明

.env.example

@@ -13,3 +13,11 @@ DATABASE_URL=
 
 // DashScore
 DASHSCORE_API_KEY=
+
+// SMTP Email - Resend (https://resend.com)
+SMTP_HOST=smtp.resend.com
+SMTP_PORT=587
+SMTP_SECURE=false
+SMTP_USER=resend
+SMTP_PASS=re_your_resend_api_key
+SMTP_FROM=onboarding@resend.dev

prisma/migrations/20251210105812_init/migration.sql

@@ -1,120 +0,0 @@
--- CreateTable
-CREATE TABLE "pairs" (
-    "id" SERIAL NOT NULL,
-    "locale1" VARCHAR(10) NOT NULL,
-    "locale2" VARCHAR(10) NOT NULL,
-    "text1" TEXT NOT NULL,
-    "text2" TEXT NOT NULL,
-    "ipa1" TEXT,
-    "ipa2" TEXT,
-    "folder_id" INTEGER NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "pairs_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "folders" (
-    "id" SERIAL NOT NULL,
-    "name" TEXT NOT NULL,
-    "user_id" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "folders_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "user" (
-    "id" TEXT NOT NULL,
-    "name" TEXT NOT NULL,
-    "email" TEXT NOT NULL,
-    "emailVerified" BOOLEAN NOT NULL DEFAULT false,
-    "image" TEXT,
-    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updatedAt" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "user_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "session" (
-    "id" TEXT NOT NULL,
-    "expiresAt" TIMESTAMP(3) NOT NULL,
-    "token" TEXT NOT NULL,
-    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updatedAt" TIMESTAMP(3) NOT NULL,
-    "ipAddress" TEXT,
-    "userAgent" TEXT,
-    "userId" TEXT NOT NULL,
-
-    CONSTRAINT "session_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "account" (
-    "id" TEXT NOT NULL,
-    "accountId" TEXT NOT NULL,
-    "providerId" TEXT NOT NULL,
-    "userId" TEXT NOT NULL,
-    "accessToken" TEXT,
-    "refreshToken" TEXT,
-    "idToken" TEXT,
-    "accessTokenExpiresAt" TIMESTAMP(3),
-    "refreshTokenExpiresAt" TIMESTAMP(3),
-    "scope" TEXT,
-    "password" TEXT,
-    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updatedAt" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "account_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "verification" (
-    "id" TEXT NOT NULL,
-    "identifier" TEXT NOT NULL,
-    "value" TEXT NOT NULL,
-    "expiresAt" TIMESTAMP(3) NOT NULL,
-    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updatedAt" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "verification_pkey" PRIMARY KEY ("id")
-);
-
--- CreateIndex
-CREATE INDEX "pairs_folder_id_idx" ON "pairs"("folder_id");
-
--- CreateIndex
-CREATE UNIQUE INDEX "pairs_folder_id_locale1_locale2_text1_key" ON "pairs"("folder_id", "locale1", "locale2", "text1");
-
--- CreateIndex
-CREATE INDEX "folders_user_id_idx" ON "folders"("user_id");
-
--- CreateIndex
-CREATE UNIQUE INDEX "user_email_key" ON "user"("email");
-
--- CreateIndex
-CREATE INDEX "session_userId_idx" ON "session"("userId");
-
--- CreateIndex
-CREATE UNIQUE INDEX "session_token_key" ON "session"("token");
-
--- CreateIndex
-CREATE INDEX "account_userId_idx" ON "account"("userId");
-
--- CreateIndex
-CREATE INDEX "verification_identifier_idx" ON "verification"("identifier");
-
--- AddForeignKey
-ALTER TABLE "pairs" ADD CONSTRAINT "pairs_folder_id_fkey" FOREIGN KEY ("folder_id") REFERENCES "folders"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "folders" ADD CONSTRAINT "folders_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "session" ADD CONSTRAINT "session_userId_fkey" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "account" ADD CONSTRAINT "account_userId_fkey" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/20260105081337_dictionary_add/migration.sql

@@ -1,138 +0,0 @@
-/*
-  Warnings:
-
-  - You are about to drop the column `ipa1` on the `pairs` table. All the data in the column will be lost.
-  - You are about to drop the column `ipa2` on the `pairs` table. All the data in the column will be lost.
-
-*/
--- AlterTable
--- 重命名并修改类型为 TEXT
-ALTER TABLE "pairs" 
-RENAME COLUMN "locale1" TO "language1";
-
-ALTER TABLE "pairs" 
-ALTER COLUMN "language1" SET DATA TYPE VARCHAR(20);
-
-ALTER TABLE "pairs" 
-RENAME COLUMN "locale2" TO "language2";
-
-ALTER TABLE "pairs" 
-ALTER COLUMN "language2" SET DATA TYPE VARCHAR(20);
-
--- CreateTable
-CREATE TABLE "dictionary_lookups" (
-    "id" SERIAL NOT NULL,
-    "user_id" TEXT,
-    "text" TEXT NOT NULL,
-    "query_lang" TEXT NOT NULL,
-    "definition_lang" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "dictionary_word_id" INTEGER,
-    "dictionary_phrase_id" INTEGER,
-
-    CONSTRAINT "dictionary_lookups_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "dictionary_words" (
-    "id" SERIAL NOT NULL,
-    "standard_form" TEXT NOT NULL,
-    "query_lang" TEXT NOT NULL,
-    "definition_lang" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "dictionary_words_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "dictionary_phrases" (
-    "id" SERIAL NOT NULL,
-    "standard_form" TEXT NOT NULL,
-    "query_lang" TEXT NOT NULL,
-    "definition_lang" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "dictionary_phrases_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "dictionary_word_entries" (
-    "id" SERIAL NOT NULL,
-    "word_id" INTEGER NOT NULL,
-    "ipa" TEXT NOT NULL,
-    "definition" TEXT NOT NULL,
-    "part_of_speech" TEXT NOT NULL,
-    "example" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "dictionary_word_entries_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "dictionary_phrase_entries" (
-    "id" SERIAL NOT NULL,
-    "phrase_id" INTEGER NOT NULL,
-    "definition" TEXT NOT NULL,
-    "example" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "dictionary_phrase_entries_pkey" PRIMARY KEY ("id")
-);
-
--- CreateIndex
-CREATE INDEX "dictionary_lookups_user_id_idx" ON "dictionary_lookups"("user_id");
-
--- CreateIndex
-CREATE INDEX "dictionary_lookups_created_at_idx" ON "dictionary_lookups"("created_at");
-
--- CreateIndex
-CREATE INDEX "dictionary_lookups_text_query_lang_definition_lang_idx" ON "dictionary_lookups"("text", "query_lang", "definition_lang");
-
--- CreateIndex
-CREATE INDEX "dictionary_words_standard_form_idx" ON "dictionary_words"("standard_form");
-
--- CreateIndex
-CREATE INDEX "dictionary_words_query_lang_definition_lang_idx" ON "dictionary_words"("query_lang", "definition_lang");
-
--- CreateIndex
-CREATE UNIQUE INDEX "dictionary_words_standard_form_query_lang_definition_lang_key" ON "dictionary_words"("standard_form", "query_lang", "definition_lang");
-
--- CreateIndex
-CREATE INDEX "dictionary_phrases_standard_form_idx" ON "dictionary_phrases"("standard_form");
-
--- CreateIndex
-CREATE INDEX "dictionary_phrases_query_lang_definition_lang_idx" ON "dictionary_phrases"("query_lang", "definition_lang");
-
--- CreateIndex
-CREATE UNIQUE INDEX "dictionary_phrases_standard_form_query_lang_definition_lang_key" ON "dictionary_phrases"("standard_form", "query_lang", "definition_lang");
-
--- CreateIndex
-CREATE INDEX "dictionary_word_entries_word_id_idx" ON "dictionary_word_entries"("word_id");
-
--- CreateIndex
-CREATE INDEX "dictionary_word_entries_created_at_idx" ON "dictionary_word_entries"("created_at");
-
--- CreateIndex
-CREATE INDEX "dictionary_phrase_entries_phrase_id_idx" ON "dictionary_phrase_entries"("phrase_id");
-
--- CreateIndex
-CREATE INDEX "dictionary_phrase_entries_created_at_idx" ON "dictionary_phrase_entries"("created_at");
-
--- AddForeignKey
-ALTER TABLE "dictionary_lookups" ADD CONSTRAINT "dictionary_lookups_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE SET NULL ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "dictionary_lookups" ADD CONSTRAINT "dictionary_lookups_dictionary_word_id_fkey" FOREIGN KEY ("dictionary_word_id") REFERENCES "dictionary_words"("id") ON DELETE SET NULL ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "dictionary_lookups" ADD CONSTRAINT "dictionary_lookups_dictionary_phrase_id_fkey" FOREIGN KEY ("dictionary_phrase_id") REFERENCES "dictionary_phrases"("id") ON DELETE SET NULL ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "dictionary_word_entries" ADD CONSTRAINT "dictionary_word_entries_word_id_fkey" FOREIGN KEY ("word_id") REFERENCES "dictionary_words"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "dictionary_phrase_entries" ADD CONSTRAINT "dictionary_phrase_entries_phrase_id_fkey" FOREIGN KEY ("phrase_id") REFERENCES "dictionary_phrases"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/20260106061255_remove_unique_constraint/migration.sql

@@ -1,8 +0,0 @@
--- DropIndex
-DROP INDEX "dictionary_phrases_standard_form_query_lang_definition_lang_key";
-
--- DropIndex
-DROP INDEX "dictionary_words_standard_form_query_lang_definition_lang_key";
-
--- RenameIndex
-ALTER INDEX "pairs_folder_id_locale1_locale2_text1_key" RENAME TO "pairs_folder_id_language1_language2_text1_key";

prisma/migrations/20260106105236_create_translation_history/migration.sql

@@ -1,30 +0,0 @@
--- CreateTable
-CREATE TABLE "translation_history" (
-    "id" SERIAL NOT NULL,
-    "user_id" TEXT,
-    "source_text" TEXT NOT NULL,
-    "source_language" VARCHAR(20) NOT NULL,
-    "target_language" VARCHAR(20) NOT NULL,
-    "translated_text" TEXT NOT NULL,
-    "source_ipa" TEXT,
-    "target_ipa" TEXT,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "translation_history_pkey" PRIMARY KEY ("id")
-);
-
--- CreateIndex
-CREATE INDEX "translation_history_user_id_idx" ON "translation_history"("user_id");
-
--- CreateIndex
-CREATE INDEX "translation_history_created_at_idx" ON "translation_history"("created_at");
-
--- CreateIndex
-CREATE INDEX "translation_history_source_text_target_language_idx" ON "translation_history"("source_text", "target_language");
-
--- CreateIndex
-CREATE INDEX "translation_history_translated_text_source_language_target__idx" ON "translation_history"("translated_text", "source_language", "target_language");
-
--- AddForeignKey
-ALTER TABLE "translation_history" ADD CONSTRAINT "translation_history_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/migrations/20260106112014_relax_unique_constraint_on_pairs/migration.sql

@@ -1,11 +0,0 @@
-/*
-  Warnings:
-
-  - A unique constraint covering the columns `[folder_id,language1,language2,text1,text2]` on the table `pairs` will be added. If there are existing duplicate values, this will fail.
-
-*/
--- DropIndex
-DROP INDEX "pairs_folder_id_language1_language2_text1_key";
-
--- CreateIndex
-CREATE UNIQUE INDEX "pairs_folder_id_language1_language2_text1_text2_key" ON "pairs"("folder_id", "language1", "language2", "text1", "text2");

prisma/migrations/20260108021511_change_varchar_to_text/migration.sql

@@ -1,7 +0,0 @@
--- AlterTable
-ALTER TABLE "pairs" ALTER COLUMN "language1" SET DATA TYPE TEXT,
-ALTER COLUMN "language2" SET DATA TYPE TEXT;
-
--- AlterTable
-ALTER TABLE "translation_history" ALTER COLUMN "source_language" SET DATA TYPE TEXT,
-ALTER COLUMN "target_language" SET DATA TYPE TEXT;

prisma/migrations/20260113125222_optimize_dicttionary/migration.sql

@@ -1,94 +0,0 @@
-/*
-  Warnings:
-
-  - You are about to drop the column `dictionary_phrase_id` on the `dictionary_lookups` table. All the data in the column will be lost.
-  - You are about to drop the column `dictionary_word_id` on the `dictionary_lookups` table. All the data in the column will be lost.
-  - You are about to drop the `dictionary_phrase_entries` table. If the table is not empty, all the data it contains will be lost.
-  - You are about to drop the `dictionary_phrases` table. If the table is not empty, all the data it contains will be lost.
-  - You are about to drop the `dictionary_word_entries` table. If the table is not empty, all the data it contains will be lost.
-  - You are about to drop the `dictionary_words` table. If the table is not empty, all the data it contains will be lost.
-
-*/
--- DropForeignKey
-ALTER TABLE "dictionary_lookups" DROP CONSTRAINT "dictionary_lookups_dictionary_phrase_id_fkey";
-
--- DropForeignKey
-ALTER TABLE "dictionary_lookups" DROP CONSTRAINT "dictionary_lookups_dictionary_word_id_fkey";
-
--- DropForeignKey
-ALTER TABLE "dictionary_phrase_entries" DROP CONSTRAINT "dictionary_phrase_entries_phrase_id_fkey";
-
--- DropForeignKey
-ALTER TABLE "dictionary_word_entries" DROP CONSTRAINT "dictionary_word_entries_word_id_fkey";
-
--- DropIndex
-DROP INDEX "dictionary_lookups_text_query_lang_definition_lang_idx";
-
--- AlterTable
-ALTER TABLE "dictionary_lookups" DROP COLUMN "dictionary_phrase_id",
-DROP COLUMN "dictionary_word_id",
-ADD COLUMN     "dictionary_item_id" INTEGER,
-ADD COLUMN     "normalized_text" TEXT NOT NULL DEFAULT '';
-
--- DropTable
-DROP TABLE "dictionary_phrase_entries";
-
--- DropTable
-DROP TABLE "dictionary_phrases";
-
--- DropTable
-DROP TABLE "dictionary_word_entries";
-
--- DropTable
-DROP TABLE "dictionary_words";
-
--- CreateTable
-CREATE TABLE "dictionary_items" (
-    "id" SERIAL NOT NULL,
-    "frequency" INTEGER NOT NULL DEFAULT 1,
-    "standard_form" TEXT NOT NULL,
-    "query_lang" TEXT NOT NULL,
-    "definition_lang" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "dictionary_items_pkey" PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "dictionary_entries" (
-    "id" SERIAL NOT NULL,
-    "item_id" INTEGER NOT NULL,
-    "ipa" TEXT,
-    "definition" TEXT NOT NULL,
-    "part_of_speech" TEXT,
-    "example" TEXT NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "updated_at" TIMESTAMP(3) NOT NULL,
-
-    CONSTRAINT "dictionary_entries_pkey" PRIMARY KEY ("id")
-);
-
--- CreateIndex
-CREATE INDEX "dictionary_items_standard_form_idx" ON "dictionary_items"("standard_form");
-
--- CreateIndex
-CREATE INDEX "dictionary_items_query_lang_definition_lang_idx" ON "dictionary_items"("query_lang", "definition_lang");
-
--- CreateIndex
-CREATE UNIQUE INDEX "dictionary_items_standard_form_query_lang_definition_lang_key" ON "dictionary_items"("standard_form", "query_lang", "definition_lang");
-
--- CreateIndex
-CREATE INDEX "dictionary_entries_item_id_idx" ON "dictionary_entries"("item_id");
-
--- CreateIndex
-CREATE INDEX "dictionary_entries_created_at_idx" ON "dictionary_entries"("created_at");
-
--- CreateIndex
-CREATE INDEX "dictionary_lookups_normalized_text_idx" ON "dictionary_lookups"("normalized_text");
-
--- AddForeignKey
-ALTER TABLE "dictionary_lookups" ADD CONSTRAINT "dictionary_lookups_dictionary_item_id_fkey" FOREIGN KEY ("dictionary_item_id") REFERENCES "dictionary_items"("id") ON DELETE SET NULL ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "dictionary_entries" ADD CONSTRAINT "dictionary_entries_item_id_fkey" FOREIGN KEY ("item_id") REFERENCES "dictionary_items"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/20260203113111_set_username_unique/migration.sql

@@ -1,12 +0,0 @@
-/*
-  Warnings:
-
-  - A unique constraint covering the columns `[username]` on the table `user` will be added. If there are existing duplicate values, this will fail.
-
-*/
--- AlterTable
-ALTER TABLE "user" ADD COLUMN     "displayUsername" TEXT,
-ADD COLUMN     "username" TEXT;
-
--- CreateIndex
-CREATE UNIQUE INDEX "user_username_key" ON "user"("username");

prisma/migrations/20260308142357_add_folder_visibility_and_favorites/migration.sql

@@ -1,33 +0,0 @@
--- CreateEnum
-CREATE TYPE "Visibility" AS ENUM ('PRIVATE', 'PUBLIC');
-
--- AlterTable
-ALTER TABLE "folders" ADD COLUMN "visibility" "Visibility" NOT NULL DEFAULT 'PRIVATE';
-
--- CreateTable
-CREATE TABLE "folder_favorites" (
-    "id" SERIAL NOT NULL,
-    "user_id" TEXT NOT NULL,
-    "folder_id" INTEGER NOT NULL,
-    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-
-    CONSTRAINT "folder_favorites_pkey" PRIMARY KEY ("id")
-);
-
--- CreateIndex
-CREATE INDEX "folder_favorites_folder_id_idx" ON "folder_favorites"("folder_id");
-
--- CreateIndex
-CREATE UNIQUE INDEX "folder_favorites_user_id_folder_id_key" ON "folder_favorites"("user_id", "folder_id");
-
--- CreateIndex
-CREATE INDEX "folder_favorites_user_id_idx" ON "folder_favorites"("user_id");
-
--- CreateIndex
-CREATE INDEX "folders_visibility_idx" ON "folders"("visibility");
-
--- AddForeignKey
-ALTER TABLE "folder_favorites" ADD CONSTRAINT "folder_favorites_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "folder_favorites" ADD CONSTRAINT "folder_favorites_folder_id_fkey" FOREIGN KEY ("folder_id") REFERENCES "folders"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/20260310014042_init/migration.sql

@@ -0,0 +1,262 @@
+-- CreateEnum
+CREATE TYPE "Visibility" AS ENUM ('PRIVATE', 'PUBLIC');
+
+-- CreateTable
+CREATE TABLE "user" (
+    "id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "emailVerified" BOOLEAN NOT NULL DEFAULT false,
+    "image" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+    "displayUsername" TEXT,
+    "username" TEXT NOT NULL,
+
+    CONSTRAINT "user_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "session" (
+    "id" TEXT NOT NULL,
+    "expiresAt" TIMESTAMP(3) NOT NULL,
+    "token" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+    "ipAddress" TEXT,
+    "userAgent" TEXT,
+    "userId" TEXT NOT NULL,
+
+    CONSTRAINT "session_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "account" (
+    "id" TEXT NOT NULL,
+    "accountId" TEXT NOT NULL,
+    "providerId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "accessToken" TEXT,
+    "refreshToken" TEXT,
+    "idToken" TEXT,
+    "accessTokenExpiresAt" TIMESTAMP(3),
+    "refreshTokenExpiresAt" TIMESTAMP(3),
+    "scope" TEXT,
+    "password" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "account_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "verification" (
+    "id" TEXT NOT NULL,
+    "identifier" TEXT NOT NULL,
+    "value" TEXT NOT NULL,
+    "expiresAt" TIMESTAMP(3) NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "verification_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "pairs" (
+    "id" SERIAL NOT NULL,
+    "language1" TEXT NOT NULL,
+    "language2" TEXT NOT NULL,
+    "text1" TEXT NOT NULL,
+    "text2" TEXT NOT NULL,
+    "ipa1" TEXT,
+    "ipa2" TEXT,
+    "folder_id" INTEGER NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "pairs_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "folders" (
+    "id" SERIAL NOT NULL,
+    "name" TEXT NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "visibility" "Visibility" NOT NULL DEFAULT 'PRIVATE',
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "folders_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "folder_favorites" (
+    "id" SERIAL NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "folder_id" INTEGER NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "folder_favorites_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "dictionary_lookups" (
+    "id" SERIAL NOT NULL,
+    "user_id" TEXT,
+    "text" TEXT NOT NULL,
+    "query_lang" TEXT NOT NULL,
+    "definition_lang" TEXT NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "dictionary_item_id" INTEGER,
+    "normalized_text" TEXT NOT NULL DEFAULT '',
+
+    CONSTRAINT "dictionary_lookups_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "dictionary_items" (
+    "id" SERIAL NOT NULL,
+    "frequency" INTEGER NOT NULL DEFAULT 1,
+    "standard_form" TEXT NOT NULL,
+    "query_lang" TEXT NOT NULL,
+    "definition_lang" TEXT NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "dictionary_items_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "dictionary_entries" (
+    "id" SERIAL NOT NULL,
+    "item_id" INTEGER NOT NULL,
+    "ipa" TEXT,
+    "definition" TEXT NOT NULL,
+    "part_of_speech" TEXT,
+    "example" TEXT NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "dictionary_entries_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "translation_history" (
+    "id" SERIAL NOT NULL,
+    "user_id" TEXT,
+    "source_text" TEXT NOT NULL,
+    "source_language" TEXT NOT NULL,
+    "target_language" TEXT NOT NULL,
+    "translated_text" TEXT NOT NULL,
+    "source_ipa" TEXT,
+    "target_ipa" TEXT,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "translation_history_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "user_email_key" ON "user"("email");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "user_username_key" ON "user"("username");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "session_token_key" ON "session"("token");
+
+-- CreateIndex
+CREATE INDEX "session_userId_idx" ON "session"("userId");
+
+-- CreateIndex
+CREATE INDEX "account_userId_idx" ON "account"("userId");
+
+-- CreateIndex
+CREATE INDEX "verification_identifier_idx" ON "verification"("identifier");
+
+-- CreateIndex
+CREATE INDEX "pairs_folder_id_idx" ON "pairs"("folder_id");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "pairs_folder_id_language1_language2_text1_text2_key" ON "pairs"("folder_id", "language1", "language2", "text1", "text2");
+
+-- CreateIndex
+CREATE INDEX "folders_user_id_idx" ON "folders"("user_id");
+
+-- CreateIndex
+CREATE INDEX "folders_visibility_idx" ON "folders"("visibility");
+
+-- CreateIndex
+CREATE INDEX "folder_favorites_user_id_idx" ON "folder_favorites"("user_id");
+
+-- CreateIndex
+CREATE INDEX "folder_favorites_folder_id_idx" ON "folder_favorites"("folder_id");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "folder_favorites_user_id_folder_id_key" ON "folder_favorites"("user_id", "folder_id");
+
+-- CreateIndex
+CREATE INDEX "dictionary_lookups_user_id_idx" ON "dictionary_lookups"("user_id");
+
+-- CreateIndex
+CREATE INDEX "dictionary_lookups_created_at_idx" ON "dictionary_lookups"("created_at");
+
+-- CreateIndex
+CREATE INDEX "dictionary_lookups_normalized_text_idx" ON "dictionary_lookups"("normalized_text");
+
+-- CreateIndex
+CREATE INDEX "dictionary_items_standard_form_idx" ON "dictionary_items"("standard_form");
+
+-- CreateIndex
+CREATE INDEX "dictionary_items_query_lang_definition_lang_idx" ON "dictionary_items"("query_lang", "definition_lang");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "dictionary_items_standard_form_query_lang_definition_lang_key" ON "dictionary_items"("standard_form", "query_lang", "definition_lang");
+
+-- CreateIndex
+CREATE INDEX "dictionary_entries_item_id_idx" ON "dictionary_entries"("item_id");
+
+-- CreateIndex
+CREATE INDEX "dictionary_entries_created_at_idx" ON "dictionary_entries"("created_at");
+
+-- CreateIndex
+CREATE INDEX "translation_history_user_id_idx" ON "translation_history"("user_id");
+
+-- CreateIndex
+CREATE INDEX "translation_history_created_at_idx" ON "translation_history"("created_at");
+
+-- CreateIndex
+CREATE INDEX "translation_history_source_text_target_language_idx" ON "translation_history"("source_text", "target_language");
+
+-- CreateIndex
+CREATE INDEX "translation_history_translated_text_source_language_target__idx" ON "translation_history"("translated_text", "source_language", "target_language");
+
+-- AddForeignKey
+ALTER TABLE "session" ADD CONSTRAINT "session_userId_fkey" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "account" ADD CONSTRAINT "account_userId_fkey" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "pairs" ADD CONSTRAINT "pairs_folder_id_fkey" FOREIGN KEY ("folder_id") REFERENCES "folders"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "folders" ADD CONSTRAINT "folders_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "folder_favorites" ADD CONSTRAINT "folder_favorites_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "folder_favorites" ADD CONSTRAINT "folder_favorites_folder_id_fkey" FOREIGN KEY ("folder_id") REFERENCES "folders"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "dictionary_lookups" ADD CONSTRAINT "dictionary_lookups_dictionary_item_id_fkey" FOREIGN KEY ("dictionary_item_id") REFERENCES "dictionary_items"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "dictionary_lookups" ADD CONSTRAINT "dictionary_lookups_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "dictionary_entries" ADD CONSTRAINT "dictionary_entries_item_id_fkey" FOREIGN KEY ("item_id") REFERENCES "dictionary_items"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "translation_history" ADD CONSTRAINT "translation_history_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/schema.prisma

@@ -16,7 +16,7 @@ model User {
   createdAt            DateTime             @default(now())
   updatedAt            DateTime             @updatedAt
   displayUsername      String?
-  username             String?              @unique
+  username             String               @unique
   accounts             Account[]
   dictionaryLookUps    DictionaryLookUp[]
   folders              Folder[]

src/auth.ts

@@ -1,8 +1,9 @@
 import { betterAuth } from "better-auth";
 import { prismaAdapter } from "better-auth/adapters/prisma";
 import { nextCookies } from "better-auth/next-js";
-import { prisma } from "./lib/db";
 import { username } from "better-auth/plugins";
+import { createAuthMiddleware, APIError } from "better-auth/api";
+import { prisma } from "./lib/db";
 import {
   sendEmail,
   generateVerificationEmailHtml,
@@ -41,4 +42,16 @@ export const auth = betterAuth({
     },
   },
   plugins: [nextCookies(), username()],
+  hooks: {
+    before: createAuthMiddleware(async (ctx) => {
+      if (ctx.path !== "/sign-up/email" && ctx.path !== "/update-user") return;
+
+      const body = ctx.body as { username?: string };
+      if (!body.username || body.username.trim() === "") {
+        throw new APIError("BAD_REQUEST", {
+          message: "Username is required",
+        });
+      }
+    }),
+  },
 });