feat(audit): 增加审计日志与演示数据管理

apps/audit/models.py

@@ -0,0 +1,40 @@
+from django.db import models
+
+
+class AgentAuditLog(models.Model):
+    STATUS_SUCCESS = "success"
+    STATUS_FAILED = "failed"
+
+    scenario_id = models.CharField(max_length=100, db_index=True)
+    scenario_name = models.CharField(max_length=200, blank=True)
+    user_input = models.TextField()
+    retrieved_chunks = models.JSONField(default=list, blank=True)
+    tool_calls = models.JSONField(default=list, blank=True)
+    structured_output = models.JSONField(default=dict, blank=True)
+    final_answer = models.TextField(blank=True)
+    raw_output = models.TextField(blank=True)
+    model_name = models.CharField(max_length=100, blank=True)
+    latency_ms = models.PositiveIntegerField(default=0)
+    status = models.CharField(max_length=20, default=STATUS_SUCCESS, db_index=True)
+    error_message = models.TextField(blank=True)
+    created_at = models.DateTimeField(auto_now_add=True, db_index=True)
+
+    class Meta:
+        ordering = ["-created_at"]
+
+    def __str__(self) -> str:
+        return f"{self.scenario_name or self.scenario_id} #{self.pk}"
+
+
+class DemoBusinessRecord(models.Model):
+    scenario_id = models.CharField(max_length=100, db_index=True)
+    record_type = models.CharField(max_length=100, db_index=True)
+    title = models.CharField(max_length=255)
+    payload = models.JSONField(default=dict, blank=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        ordering = ["-created_at"]
+
+    def __str__(self) -> str:
+        return self.title