diff --git a/drizzle.config.ts b/drizzle.config.ts
index 41be97e..c9b7c07 100644
--- a/drizzle.config.ts
+++ b/drizzle.config.ts
@@ -4,7 +4,7 @@ import { defineConfig } from 'drizzle-kit';
 const databaseUrl = process.env.DATABASE_URL ?? 'postgresql://samreshu:samreshu_dev@localhost:5432/samreshu';
 
 export default defineConfig({
-  schema: './src/db/schema/index.ts',
+  schema: './src/db/schema/*.ts',
   out: './src/db/migrations',
   dialect: 'postgresql',
   dbCredentials: {
diff --git a/package.json b/package.json
index a905145..509708b 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "build": "tsc",
     "dev": "tsx watch src/server.ts",
     "start": "node dist/server.js",
-    "db:generate": "drizzle-kit generate --config=drizzle.config.ts",
+    "db:generate": "tsx node_modules/drizzle-kit/bin.cjs generate --config=drizzle.config.ts",
     "db:migrate": "tsx src/db/migrate.ts",
     "db:studio": "drizzle-kit studio",
     "db:seed": "tsx src/db/seed.ts",
diff --git a/src/db/migrations/0000_fearless_salo.sql b/src/db/migrations/0000_fearless_salo.sql
new file mode 100644
index 0000000..f97dab8
--- /dev/null
+++ b/src/db/migrations/0000_fearless_salo.sql
@@ -0,0 +1,246 @@
+CREATE TYPE "public"."level" AS ENUM('basic', 'beginner', 'intermediate', 'advanced', 'expert');--> statement-breakpoint
+CREATE TYPE "public"."plan" AS ENUM('free', 'pro');--> statement-breakpoint
+CREATE TYPE "public"."question_source" AS ENUM('llm_generated', 'manual');--> statement-breakpoint
+CREATE TYPE "public"."question_status" AS ENUM('pending', 'approved', 'rejected');--> statement-breakpoint
+CREATE TYPE "public"."question_type" AS ENUM('single_choice', 'multiple_select', 'true_false', 'short_text');--> statement-breakpoint
+CREATE TYPE "public"."report_status" AS ENUM('open', 'resolved', 'dismissed');--> statement-breakpoint
+CREATE TYPE "public"."self_level" AS ENUM('jun', 'mid', 'sen');--> statement-breakpoint
+CREATE TYPE "public"."stack" AS ENUM('html', 'css', 'js', 'ts', 'react', 'vue', 'nodejs', 'git', 'web_basics');--> statement-breakpoint
+CREATE TYPE "public"."subscription_status" AS ENUM('active', 'trialing', 'cancelled', 'expired');--> statement-breakpoint
+CREATE TYPE "public"."test_mode" AS ENUM('fixed', 'infinite', 'marathon');--> statement-breakpoint
+CREATE TYPE "public"."test_status" AS ENUM('in_progress', 'completed', 'abandoned');--> statement-breakpoint
+CREATE TYPE "public"."user_role" AS ENUM('guest', 'free', 'pro', 'admin');--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "users" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"email" varchar(255) NOT NULL,
+	"password_hash" varchar(255) NOT NULL,
+	"nickname" varchar(30) NOT NULL,
+	"avatar_url" varchar(500),
+	"country" varchar(100),
+	"city" varchar(100),
+	"self_level" "self_level",
+	"is_public" boolean DEFAULT true NOT NULL,
+	"role" "user_role" DEFAULT 'free' NOT NULL,
+	"email_verified_at" timestamp with time zone,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"updated_at" timestamp with time zone DEFAULT now() NOT NULL,
+	CONSTRAINT "users_email_unique" UNIQUE("email")
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "sessions" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" uuid NOT NULL,
+	"refresh_token_hash" varchar(255) NOT NULL,
+	"user_agent" varchar(500),
+	"ip_address" varchar(45),
+	"last_active_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"expires_at" timestamp with time zone NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "subscriptions" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" uuid NOT NULL,
+	"plan" "plan" NOT NULL,
+	"status" "subscription_status" NOT NULL,
+	"started_at" timestamp with time zone NOT NULL,
+	"expires_at" timestamp with time zone,
+	"cancelled_at" timestamp with time zone,
+	"payment_provider" varchar(50),
+	"external_id" varchar(255),
+	CONSTRAINT "subscriptions_user_id_unique" UNIQUE("user_id")
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "tests" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" uuid NOT NULL,
+	"stack" "stack" NOT NULL,
+	"level" "level" NOT NULL,
+	"question_count" integer NOT NULL,
+	"mode" "test_mode" DEFAULT 'fixed' NOT NULL,
+	"status" "test_status" DEFAULT 'in_progress' NOT NULL,
+	"score" integer,
+	"started_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"finished_at" timestamp with time zone,
+	"time_limit_seconds" integer
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "test_questions" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"test_id" uuid NOT NULL,
+	"question_bank_id" uuid,
+	"order_number" integer NOT NULL,
+	"type" "question_type" NOT NULL,
+	"question_text" text NOT NULL,
+	"options" jsonb,
+	"correct_answer" jsonb NOT NULL,
+	"explanation" text NOT NULL,
+	"user_answer" jsonb,
+	"is_correct" boolean,
+	"answered_at" timestamp with time zone
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "question_bank" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"stack" "stack" NOT NULL,
+	"level" "level" NOT NULL,
+	"type" "question_type" NOT NULL,
+	"question_text" text NOT NULL,
+	"options" jsonb,
+	"correct_answer" jsonb NOT NULL,
+	"explanation" text NOT NULL,
+	"status" "question_status" DEFAULT 'pending' NOT NULL,
+	"source" "question_source" NOT NULL,
+	"usage_count" integer DEFAULT 0 NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"approved_at" timestamp with time zone
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "question_cache_meta" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"question_bank_id" uuid NOT NULL,
+	"llm_model" varchar(100) NOT NULL,
+	"prompt_hash" varchar(64) NOT NULL,
+	"generation_time_ms" integer NOT NULL,
+	"raw_response" jsonb,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "question_reports" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"question_bank_id" uuid NOT NULL,
+	"user_id" uuid NOT NULL,
+	"reason" text NOT NULL,
+	"status" "report_status" DEFAULT 'open' NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"resolved_at" timestamp with time zone
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "user_stats" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" uuid NOT NULL,
+	"stack" "stack" NOT NULL,
+	"level" "level" NOT NULL,
+	"total_questions" integer DEFAULT 0 NOT NULL,
+	"correct_answers" integer DEFAULT 0 NOT NULL,
+	"tests_taken" integer DEFAULT 0 NOT NULL,
+	"last_test_at" timestamp with time zone,
+	CONSTRAINT "user_stats_user_id_stack_level_unique" UNIQUE("user_id","stack","level")
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "audit_logs" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"admin_id" uuid NOT NULL,
+	"action" varchar(100) NOT NULL,
+	"target_type" varchar(50) NOT NULL,
+	"target_id" uuid NOT NULL,
+	"details" jsonb,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "user_question_log" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" uuid NOT NULL,
+	"question_bank_id" uuid NOT NULL,
+	"seen_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "email_verification_codes" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" uuid NOT NULL,
+	"code" varchar(10) NOT NULL,
+	"expires_at" timestamp with time zone NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "password_reset_tokens" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" uuid NOT NULL,
+	"token_hash" varchar(255) NOT NULL,
+	"expires_at" timestamp with time zone NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "sessions" ADD CONSTRAINT "sessions_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "subscriptions" ADD CONSTRAINT "subscriptions_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "tests" ADD CONSTRAINT "tests_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "test_questions" ADD CONSTRAINT "test_questions_test_id_tests_id_fk" FOREIGN KEY ("test_id") REFERENCES "public"."tests"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "test_questions" ADD CONSTRAINT "test_questions_question_bank_id_question_bank_id_fk" FOREIGN KEY ("question_bank_id") REFERENCES "public"."question_bank"("id") ON DELETE set null ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "question_cache_meta" ADD CONSTRAINT "question_cache_meta_question_bank_id_question_bank_id_fk" FOREIGN KEY ("question_bank_id") REFERENCES "public"."question_bank"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "question_reports" ADD CONSTRAINT "question_reports_question_bank_id_question_bank_id_fk" FOREIGN KEY ("question_bank_id") REFERENCES "public"."question_bank"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "question_reports" ADD CONSTRAINT "question_reports_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "user_stats" ADD CONSTRAINT "user_stats_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "audit_logs" ADD CONSTRAINT "audit_logs_admin_id_users_id_fk" FOREIGN KEY ("admin_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "user_question_log" ADD CONSTRAINT "user_question_log_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "user_question_log" ADD CONSTRAINT "user_question_log_question_bank_id_question_bank_id_fk" FOREIGN KEY ("question_bank_id") REFERENCES "public"."question_bank"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "email_verification_codes" ADD CONSTRAINT "email_verification_codes_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "password_reset_tokens" ADD CONSTRAINT "password_reset_tokens_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
diff --git a/src/db/migrations/meta/0000_snapshot.json b/src/db/migrations/meta/0000_snapshot.json
new file mode 100644
index 0000000..ca0b543
--- /dev/null
+++ b/src/db/migrations/meta/0000_snapshot.json
@@ -0,0 +1,1231 @@
+{
+  "id": "2a8f572c-86d8-47f3-af8a-cb158e81d93e",
+  "prevId": "00000000-0000-0000-0000-000000000000",
+  "version": "7",
+  "dialect": "postgresql",
+  "tables": {
+    "public.users": {
+      "name": "users",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "email": {
+          "name": "email",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "password_hash": {
+          "name": "password_hash",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "nickname": {
+          "name": "nickname",
+          "type": "varchar(30)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "avatar_url": {
+          "name": "avatar_url",
+          "type": "varchar(500)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "country": {
+          "name": "country",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "city": {
+          "name": "city",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "self_level": {
+          "name": "self_level",
+          "type": "self_level",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "is_public": {
+          "name": "is_public",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": true
+        },
+        "role": {
+          "name": "role",
+          "type": "user_role",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'free'"
+        },
+        "email_verified_at": {
+          "name": "email_verified_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "users_email_unique": {
+          "name": "users_email_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "email"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.sessions": {
+      "name": "sessions",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "refresh_token_hash": {
+          "name": "refresh_token_hash",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "user_agent": {
+          "name": "user_agent",
+          "type": "varchar(500)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "ip_address": {
+          "name": "ip_address",
+          "type": "varchar(45)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "last_active_at": {
+          "name": "last_active_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "sessions_user_id_users_id_fk": {
+          "name": "sessions_user_id_users_id_fk",
+          "tableFrom": "sessions",
+          "tableTo": "users",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.subscriptions": {
+      "name": "subscriptions",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "plan": {
+          "name": "plan",
+          "type": "plan",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "status": {
+          "name": "status",
+          "type": "subscription_status",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "started_at": {
+          "name": "started_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cancelled_at": {
+          "name": "cancelled_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "payment_provider": {
+          "name": "payment_provider",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "external_id": {
+          "name": "external_id",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "subscriptions_user_id_users_id_fk": {
+          "name": "subscriptions_user_id_users_id_fk",
+          "tableFrom": "subscriptions",
+          "tableTo": "users",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "subscriptions_user_id_unique": {
+          "name": "subscriptions_user_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "user_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.tests": {
+      "name": "tests",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "stack": {
+          "name": "stack",
+          "type": "stack",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "level": {
+          "name": "level",
+          "type": "level",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "question_count": {
+          "name": "question_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "mode": {
+          "name": "mode",
+          "type": "test_mode",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'fixed'"
+        },
+        "status": {
+          "name": "status",
+          "type": "test_status",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'in_progress'"
+        },
+        "score": {
+          "name": "score",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "started_at": {
+          "name": "started_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "finished_at": {
+          "name": "finished_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "time_limit_seconds": {
+          "name": "time_limit_seconds",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "tests_user_id_users_id_fk": {
+          "name": "tests_user_id_users_id_fk",
+          "tableFrom": "tests",
+          "tableTo": "users",
+          "columnsFrom": [
+            "user_id"
+          ],
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+          "onUpdate": "no action"
+        }
+      },
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+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.test_questions": {
+      "name": "test_questions",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "test_id": {
+          "name": "test_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "question_bank_id": {
+          "name": "question_bank_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "order_number": {
+          "name": "order_number",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
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+          "name": "type",
+          "type": "question_type",
+          "typeSchema": "public",
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+          "notNull": true
+        },
+        "question_text": {
+          "name": "question_text",
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+          "primaryKey": false,
+          "notNull": true
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+        "options": {
+          "name": "options",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
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+        "correct_answer": {
+          "name": "correct_answer",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "explanation": {
+          "name": "explanation",
+          "type": "text",
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+          "notNull": true
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+          "name": "user_answer",
+          "type": "jsonb",
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+          "notNull": false
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+          "name": "is_correct",
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+          "notNull": false
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+          "name": "answered_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        }
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+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
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+          "tableFrom": "test_questions",
+          "tableTo": "question_bank",
+          "columnsFrom": [
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+          "columnsTo": [
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+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.question_bank": {
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+      "columns": {
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+          "type": "uuid",
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+          "notNull": true
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+          "type": "question_type",
+          "typeSchema": "public",
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+          "notNull": true
+        },
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+          "name": "question_text",
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+          "notNull": true
+        },
+        "options": {
+          "name": "options",
+          "type": "jsonb",
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+          "notNull": false
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+          "name": "correct_answer",
+          "type": "jsonb",
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+          "notNull": true
+        },
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+          "name": "explanation",
+          "type": "text",
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+          "notNull": true
+        },
+        "status": {
+          "name": "status",
+          "type": "question_status",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'pending'"
+        },
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+          "type": "question_source",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "usage_count": {
+          "name": "usage_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "created_at": {
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+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "approved_at": {
+          "name": "approved_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        }
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+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.question_cache_meta": {
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+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "question_bank_id": {
+          "name": "question_bank_id",
+          "type": "uuid",
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+          "notNull": true
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+          "primaryKey": false,
+          "notNull": true
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+          "primaryKey": false,
+          "notNull": true
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+        "generation_time_ms": {
+          "name": "generation_time_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
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+        "raw_response": {
+          "name": "raw_response",
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+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
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+          "default": "now()"
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+          "default": "gen_random_uuid()"
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+          "notNull": true
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+          "type": "uuid",
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+          "notNull": true
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+          "type": "report_status",
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+          "notNull": true,
+          "default": "'open'"
+        },
+        "created_at": {
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+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "resolved_at": {
+          "name": "resolved_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        }
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+          "tableTo": "users",
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+      "policies": {},
+      "checkConstraints": {},
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+          "name": "id",
+          "type": "uuid",
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+          "notNull": true,
+          "default": "gen_random_uuid()"
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+          "type": "uuid",
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+        },
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+          "notNull": true,
+          "default": 0
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+          "tableTo": "users",
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+            "user_id"
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+          "columnsTo": [
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+          "onDelete": "cascade",
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+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
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+      "columns": {
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+          "name": "id",
+          "type": "uuid",
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+          "notNull": true,
+          "default": "gen_random_uuid()"
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+          "notNull": true
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+          "onDelete": "cascade",
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+      "checkConstraints": {},
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+    },
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+          "type": "uuid",
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+          "notNull": true,
+          "default": "gen_random_uuid()"
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+        },
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+        },
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+          "default": "now()"
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+          "tableTo": "users",
+          "columnsFrom": [
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+      "checkConstraints": {},
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+    },
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+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
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+          "notNull": true,
+          "default": "gen_random_uuid()"
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+          "primaryKey": false,
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+          "notNull": true
+        },
+        "created_at": {
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+          "default": "now()"
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+          "tableTo": "users",
+          "columnsFrom": [
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+          "columnsTo": [
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+      "policies": {},
+      "checkConstraints": {},
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+    }
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+      "schema": "public",
+      "values": [
+        "basic",
+        "beginner",
+        "intermediate",
+        "advanced",
+        "expert"
+      ]
+    },
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+      "name": "plan",
+      "schema": "public",
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+        "free",
+        "pro"
+      ]
+    },
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+      "name": "question_source",
+      "schema": "public",
+      "values": [
+        "llm_generated",
+        "manual"
+      ]
+    },
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+      "schema": "public",
+      "values": [
+        "pending",
+        "approved",
+        "rejected"
+      ]
+    },
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+        "single_choice",
+        "multiple_select",
+        "true_false",
+        "short_text"
+      ]
+    },
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+      "schema": "public",
+      "values": [
+        "open",
+        "resolved",
+        "dismissed"
+      ]
+    },
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+        "mid",
+        "sen"
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+        "css",
+        "js",
+        "ts",
+        "react",
+        "vue",
+        "nodejs",
+        "git",
+        "web_basics"
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+      "schema": "public",
+      "values": [
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+        "trialing",
+        "cancelled",
+        "expired"
+      ]
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+      "values": [
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+        "infinite",
+        "marathon"
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+        "completed",
+        "abandoned"
+      ]
+    },
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+        "free",
+        "pro",
+        "admin"
+      ]
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+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}
\ No newline at end of file
diff --git a/src/db/migrations/meta/_journal.json b/src/db/migrations/meta/_journal.json
new file mode 100644
index 0000000..cc4ebdc
--- /dev/null
+++ b/src/db/migrations/meta/_journal.json
@@ -0,0 +1,13 @@
+{
+  "version": "7",
+  "dialect": "postgresql",
+  "entries": [
+    {
+      "idx": 0,
+      "version": "7",
+      "when": 1772620981431,
+      "tag": "0000_fearless_salo",
+      "breakpoints": true
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/db/seed.ts b/src/db/seed.ts
new file mode 100644
index 0000000..c0b674d
--- /dev/null
+++ b/src/db/seed.ts
@@ -0,0 +1,47 @@
+import 'dotenv/config';
+import { drizzle } from 'drizzle-orm/node-postgres';
+import { eq } from 'drizzle-orm';
+import pg from 'pg';
+import argon2 from 'argon2';
+import { env } from '../config/env.js';
+import { users } from './schema/index.js';
+
+const { Pool } = pg;
+
+const TEST_USER = {
+  email: 'test@example.com',
+  password: 'TestPassword123!',
+  nickname: 'TestUser',
+};
+
+async function runSeed() {
+  const pool = new Pool({ connectionString: env.DATABASE_URL });
+  const db = drizzle(pool);
+
+  if (env.NODE_ENV !== 'development') {
+    await pool.end();
+    return;
+  }
+
+  const existing = await db.select().from(users).where(eq(users.email, TEST_USER.email)).limit(1);
+  if (existing.length > 0) {
+    await pool.end();
+    return;
+  }
+
+  const passwordHash = await argon2.hash(TEST_USER.password);
+  await db.insert(users).values({
+    email: TEST_USER.email,
+    passwordHash,
+    nickname: TEST_USER.nickname,
+    role: 'free',
+    emailVerifiedAt: new Date(),
+  });
+
+  await pool.end();
+}
+
+runSeed().catch((err) => {
+  console.error('Seed failed:', err);
+  process.exit(1);
+});