feat(chat): 打通场景对话与结果展示

tests/test_chat.py

@@ -0,0 +1,60 @@
+from django.urls import reverse
+
+from apps.audit.models import AgentAuditLog
+from apps.documents.models import UploadedDocument
+
+
+def test_chat_post_returns_agent_result_and_audit_log(client, db):
+    response = client.post(
+        reverse("chat:index", args=["knowledge_qa"]),
+        {"message": "如何处理异常？"},
+    )
+
+    assert response.status_code == 200
+    content = response.content.decode("utf-8")
+    assert "mock-model" in content
+    assert "模拟回答" in content
+    assert AgentAuditLog.objects.count() == 1
+
+
+def test_chat_rejects_empty_message(client, db):
+    response = client.post(reverse("chat:index", args=["knowledge_qa"]), {"message": ""})
+
+    assert response.status_code == 200
+    assert AgentAuditLog.objects.count() == 0
+    assert "请输入要咨询的问题" in response.content.decode("utf-8")
+
+
+def test_chat_passes_selected_document_ids_to_agent_core(client, db, monkeypatch):
+    selected = UploadedDocument.objects.create(
+        scenario_id="knowledge_qa",
+        original_name="selected.md",
+        file_type="md",
+        size=1,
+        status=UploadedDocument.STATUS_INDEXED,
+    )
+    other = UploadedDocument.objects.create(
+        scenario_id="knowledge_qa",
+        original_name="other.md",
+        file_type="md",
+        size=1,
+        status=UploadedDocument.STATUS_INDEXED,
+    )
+    captured = {}
+
+    def fake_run_agent(scenario_config, user_input, options=None):
+        captured["options"] = options or {}
+        from agent_core.results import AgentResult
+
+        return AgentResult(answer="ok", status="success")
+
+    monkeypatch.setattr("apps.chat.views.run_agent", fake_run_agent)
+
+    response = client.post(
+        reverse("chat:index", args=["knowledge_qa"]),
+        {"message": "只查选中文档", "document_ids": [str(selected.id)]},
+    )
+
+    assert response.status_code == 200
+    assert captured["options"]["document_ids"] == [selected.id]
+    assert other.id not in captured["options"]["document_ids"]