feat: create first admin during ./setup.sh install

Step 6/7 asks for admin name/email/password and creates the user
directly in the database. Can be skipped (creates later via ./setup.sh admin).
Also fixed PgBouncer wait_for_service to use nc instead of pg_isready.

setup.sh

@@ -891,7 +891,7 @@ cmd_admin() {
 
 cmd_install() {
   # --- Step 1: Check & install dependencies ---
-  log_step "Шаг 1/6 — Проверка и установка зависимостей"
+  log_step "Шаг 1/7 — Проверка и установка зависимостей"
 
   local MISSING=0
   install_if_missing docker "https://docs.docker.com/get-docker/" || MISSING=1
@@ -912,7 +912,7 @@ cmd_install() {
   log_ok "Node.js: $NODE_VER"
 
   # --- Step 2: Choose mode ---
-  log_step "Шаг 2/6 — Режим запуска"
+  log_step "Шаг 2/7 — Режим запуска"
 
   echo ""
   echo -e "  ${BOLD}1)${NC} Локальная разработка (localhost, без SSL)"
@@ -947,7 +947,7 @@ cmd_install() {
   fi
 
   # --- Step 3: Configure environment ---
-  log_step "Шаг 3/6 — Настройка окружения"
+  log_step "Шаг 3/7 — Настройка окружения"
 
   local PG_PASSWORD MINIO_USER MINIO_PASS AUTH_SECRET DEV_ACCESS_KEY S3_BUCKET
   PG_PASSWORD=$(generate_password)
@@ -1011,7 +1011,7 @@ cmd_install() {
   fi
 
   # --- Step 4: Generate .env ---
-  log_step "Шаг 4/6 — Генерация .env"
+  log_step "Шаг 4/7 — Генерация .env"
 
   local APP_URL S3_ENDPOINT
   if [[ "$MODE" == "2" ]]; then
@@ -1075,7 +1075,7 @@ ENVEOF
   log_ok ".env создан"
 
   # --- Step 5: Install & setup ---
-  log_step "Шаг 5/6 — Установка и настройка"
+  log_step "Шаг 5/7 — Установка и настройка"
 
   if [[ ! -d "node_modules" ]]; then
     echo -e "  Установка npm зависимостей..."
@@ -1103,7 +1103,7 @@ ENVEOF
 
   wait_for_service "PostgreSQL" "docker compose exec -T postgres pg_isready -U postgres" 30 || exit 1
   wait_for_service "Redis" "docker compose exec -T redis redis-cli ping 2>/dev/null | grep -q PONG" 15 || exit 1
-  wait_for_service "PgBouncer" "docker compose exec -T pgbouncer pg_isready -h 127.0.0.1 -p 6432" 15 || \
+  wait_for_service "PgBouncer" "docker compose exec -T pgbouncer sh -c 'echo | nc -w 2 127.0.0.1 6432'" 15 || \
     log_warn "PgBouncer не отвечает — продолжаем без него"
 
   echo -e "  Применение миграций..."
@@ -1126,8 +1126,59 @@ ENVEOF
     fi
   fi
 
-  # --- Step 6: Done ---
-  log_step "Шаг 6/6 — Готово!"
+  # --- Step 6: First admin ---
+  log_step "Шаг 6/7 — Первый администратор"
+
+  echo ""
+  echo -e "  ${BOLD}Создай аккаунт администратора для входа в систему.${NC}"
+  echo ""
+
+  local ADMIN_NAME ADMIN_EMAIL ADMIN_PASS
+  ask "Имя администратора" "Admin" ADMIN_NAME
+  ask "Email" "" ADMIN_EMAIL
+  ask_secret "Пароль (мин. 8 символов)" "" ADMIN_PASS
+
+  if [[ -n "$ADMIN_EMAIL" && ${#ADMIN_PASS} -ge 8 ]]; then
+    local HASH
+    HASH=$(node -e "
+      const bcrypt = require('bcryptjs');
+      const hash = bcrypt.hashSync(process.argv[1], 10);
+      process.stdout.write(hash);
+    " "$ADMIN_PASS" 2>/dev/null)
+
+    if [[ -n "$HASH" ]]; then
+      local USER_ID ACCOUNT_ID
+      USER_ID=$(node -e "process.stdout.write(require('crypto').randomBytes(12).toString('hex'))" 2>/dev/null)
+      ACCOUNT_ID=$(node -e "process.stdout.write(require('crypto').randomBytes(12).toString('hex'))" 2>/dev/null)
+
+      docker compose exec -T postgres psql -U postgres -d liveserver -c "
+        INSERT INTO users (id, email, name, \"emailVerified\", role, \"createdAt\", \"updatedAt\")
+        VALUES ('${USER_ID}', '${ADMIN_EMAIL}', '${ADMIN_NAME}', true, 'ADMIN', NOW(), NOW());
+      " &>/dev/null
+
+      docker compose exec -T postgres psql -U postgres -d liveserver -c "
+        INSERT INTO accounts (id, \"userId\", \"accountId\", \"providerId\", \"password\", \"createdAt\", \"updatedAt\")
+        VALUES ('${ACCOUNT_ID}', '${USER_ID}', '${USER_ID}', 'credential', '${HASH}', NOW(), NOW());
+      " &>/dev/null
+
+      if [[ $? -eq 0 ]]; then
+        log_ok "Администратор создан: ${ADMIN_EMAIL}"
+      else
+        log_warn "Не удалось создать админа — создай позже: ./setup.sh admin"
+      fi
+    else
+      log_warn "bcryptjs не готов — создай админа позже: ./setup.sh admin"
+    fi
+  else
+    if [[ -z "$ADMIN_EMAIL" ]]; then
+      log_info "Пропущено — создай позже: ./setup.sh admin"
+    else
+      log_err "Пароль должен быть мин. 8 символов — создай позже: ./setup.sh admin"
+    fi
+  fi
+
+  # --- Step 7: Done ---
+  log_step "Шаг 7/7 — Готово!"
 
   echo ""
   if [[ "$MODE" == "2" ]]; then