feat(chat): 支持流式回复与用户节点导航

review_agent/views.py

@@ -1,9 +1,15 @@
 from django.contrib.auth.decorators import login_required
-from django.http import HttpRequest, HttpResponse
+from django.http import HttpRequest, HttpResponse, JsonResponse, StreamingHttpResponse
 from django.shortcuts import redirect, render
 from django.views.decorators.http import require_http_methods
 
-from .services import create_conversation, get_conversation_for_user, list_conversations, send_message
+from .services import (
+    create_conversation,
+    get_conversation_for_user,
+    list_conversations,
+    send_message,
+    stream_message,
+)
 
 
 @login_required
@@ -45,3 +51,25 @@ def workspace(request: HttpRequest) -> HttpResponse:
             "messages": current.messages.all() if current else [],
         },
     )
+
+
+@login_required
+@require_http_methods(["POST"])
+def stream_chat(request: HttpRequest) -> HttpResponse:
+    """Streams one assistant reply so the UI can render incremental output."""
+
+    content = (request.POST.get("prompt") or "").strip()
+    if not content:
+        return JsonResponse({"error": "消息内容不能为空。"}, status=400)
+
+    conversation = get_conversation_for_user(request.user, request.POST.get("conversation_id"))
+    if not conversation:
+        conversation = create_conversation(request.user)
+
+    response = StreamingHttpResponse(
+        streaming_content=stream_message(conversation, content),
+        content_type="text/event-stream",
+    )
+    response["Cache-Control"] = "no-cache"
+    response["X-Accel-Buffering"] = "no"
+    return response