feat：添加对话情景功能

2026-06-14 20:32:30 +08:00
parent c3118dd72a
commit b60e513317
20 changed files with 438 additions and 59 deletions
--- a/backend/internal/ai/llm/openai.go
+++ b/backend/internal/ai/llm/openai.go
@@ -209,10 +209,10 @@ func (o *OpenAIService) parseSSEStream(body io.Reader, ch chan<- Chunk) {
 func (o *OpenAIService) buildMessages(req Request) []chatMessage {
 	var messages []chatMessage

-	// System prompt
+	// System prompt（情景覆盖优先）
 	messages = append(messages, chatMessage{
 		Role:    "system",
-		Content: []contentPart{{Type: "text", Text: BuildSystemPrompt(req.Language, "")}},
+		Content: []contentPart{{Type: "text", Text: BuildSystemPrompt(req.Language, "", req.SystemPrompt)}},
 	})

 	// 历史消息