add model

ai/models.py

@@ -1,3 +1,18 @@
 from django.db import models
 
-# Create your models here.
+from account.models import User
+
+
+class AIAnalysis(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    provider = models.TextField(default="deepseek")
+    model = models.TextField(default="deepseek-chat")
+    data = models.JSONField()
+    system_prompt = models.TextField()
+    user_prompt = models.TextField()
+    analysis = models.TextField()
+    create_time = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        db_table = "ai_analysis"
+        ordering = ["-create_time"]