refactor: use controlled RAG no-context policy
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@@ -40,6 +40,19 @@ func buildKnowledgeGuardDecision(aiAgent models.AIAgent, retrieveResult *retriev
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}
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}
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func buildKnowledgeNoContextDecision(aiAgent models.AIAgent, knowledgeBaseIDs []int64) knowledgeGuardDecision {
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if len(knowledgeBaseIDs) == 0 {
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return knowledgeGuardDecision{}
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}
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instruction := buildKnowledgeNoContextInstruction(resolveKnowledgeFallbackReply(aiAgent))
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if instruction == "" {
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return knowledgeGuardDecision{}
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}
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return knowledgeGuardDecision{
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Instructions: []*schema.Message{schema.SystemMessage(instruction)},
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}
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}
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func resolveKnowledgeFallbackReply(aiAgent models.AIAgent) string {
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if reply := strings.TrimSpace(aiAgent.FallbackMessage); reply != "" {
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return reply
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@@ -66,7 +79,20 @@ func buildKnowledgeRuntimeInstruction(answerMode enums.KnowledgeAnswerMode, fall
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fallbackReply = "当前知识库暂无明确信息。"
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}
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if answerMode == enums.KnowledgeAnswerModeAssist {
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return "知识库回答约束:优先依据后续提供的知识片段回答,可以做轻度归纳,但不要编造片段中未提供的事实。回答中的具体事实、步骤、承诺必须能被知识片段直接支持;若知识片段不足以直接支持答案,必须明确回复:" + fallbackReply
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return "知识库回答约束:优先依据后续提供的知识片段回答,可以做轻度归纳,但不要编造片段中未提供的事实。回答中的具体事实、步骤、承诺、价格、时效、政策必须能被知识片段直接支持;若知识片段不足以直接支持答案,必须明确回复:" + fallbackReply
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}
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return "知识库回答约束:本轮只能依据后续提供的知识片段回答,不得使用模型常识补充未提供的事实,不得输出知识片段外的具体事实、步骤、承诺或建议。若知识片段不足以支持回答,必须明确回复:" + fallbackReply
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return "知识库回答约束:本轮只能依据后续提供的知识片段回答,不得使用模型常识补充未提供的事实,不得输出知识片段外的具体事实、步骤、承诺、建议、价格、时效或政策。若知识片段不足以支持回答,必须明确回复:" + fallbackReply
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}
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func buildKnowledgeNoContextInstruction(fallbackReply string) string {
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fallbackReply = strings.TrimSpace(fallbackReply)
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if fallbackReply == "" {
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fallbackReply = "当前知识库暂无明确信息。"
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}
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return "知识库检索状态:当前没有从知识库检索到可用资料。\n" +
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"回复策略:\n" +
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"1. 如果用户只是寒暄、问候、感谢、确认或结束语,可以自然、简短地回复。\n" +
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"2. 如果用户表达不清楚或缺少上下文,应追问具体场景、对象、报错信息或操作步骤。\n" +
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"3. 如果用户询问业务事实、规则、价格、流程、配置、时效、承诺、售后、退款、权限或政策,不得编造答案,必须明确回复:" + fallbackReply + "\n" +
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"4. 不得输出知识库未提供的具体事实、流程、承诺、价格、时效或政策。"
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}
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