fix: 添加 current_user 导入，修复 NameError

app/routes/deep_routes.py

@@ -1,5 +1,5 @@
 from flask import Blueprint, render_template, request, jsonify
-from flask_login import login_required
+from flask_login import login_required, current_user
 from app import db, create_app
 from app.models import SpiderResult, DeepCollection, AIModel, TokenUsageLog
 from sqlalchemy.exc import OperationalError