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internal/multiagent/eino_summarize.go

@@ -0,0 +1,140 @@
+package multiagent
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"cyberstrike-ai/internal/agent"
+	"cyberstrike-ai/internal/config"
+
+	"github.com/bytedance/sonic"
+	"github.com/cloudwego/eino/adk"
+	"github.com/cloudwego/eino/adk/middlewares/summarization"
+	"github.com/cloudwego/eino/components/model"
+	"github.com/cloudwego/eino/schema"
+	"go.uber.org/zap"
+)
+
+// einoSummarizeUserInstruction 与单 Agent MemoryCompressor 目标一致：压缩时保留渗透关键信息。
+const einoSummarizeUserInstruction = `在保持所有关键安全测试信息完整的前提下压缩对话历史。
+
+必须保留：已确认漏洞与攻击路径、工具输出中的核心发现、凭证与认证细节、架构与薄弱点、当前进度、失败尝试与死路、策略决策。
+保留精确技术细节（URL、路径、参数、Payload、版本号、报错原文可摘要但要点不丢）。
+将冗长扫描输出概括为结论；重复发现合并表述。
+
+输出须使后续代理能无缝继续同一授权测试任务。`
+
+// newEinoSummarizationMiddleware 使用 Eino ADK Summarization 中间件（见 https://www.cloudwego.io/zh/docs/eino/core_modules/eino_adk/eino_adk_chatmodelagentmiddleware/middleware_summarization/）。
+// 触发阈值与单 Agent MemoryCompressor 一致：当估算 token 超过 openai.max_total_tokens 的 90% 时摘要。
+func newEinoSummarizationMiddleware(
+	ctx context.Context,
+	summaryModel model.BaseChatModel,
+	appCfg *config.Config,
+	logger *zap.Logger,
+) (adk.ChatModelAgentMiddleware, error) {
+	if summaryModel == nil || appCfg == nil {
+		return nil, fmt.Errorf("multiagent: summarization 需要 model 与配置")
+	}
+	maxTotal := appCfg.OpenAI.MaxTotalTokens
+	if maxTotal <= 0 {
+		maxTotal = 120000
+	}
+	trigger := int(float64(maxTotal) * 0.9)
+	if trigger < 4096 {
+		trigger = maxTotal
+		if trigger < 4096 {
+			trigger = 4096
+		}
+	}
+	preserveMax := trigger / 3
+	if preserveMax < 2048 {
+		preserveMax = 2048
+	}
+
+	modelName := strings.TrimSpace(appCfg.OpenAI.Model)
+	if modelName == "" {
+		modelName = "gpt-4o"
+	}
+
+	mw, err := summarization.New(ctx, &summarization.Config{
+		Model: summaryModel,
+		Trigger: &summarization.TriggerCondition{
+			ContextTokens: trigger,
+		},
+		TokenCounter:       einoSummarizationTokenCounter(modelName),
+		UserInstruction:    einoSummarizeUserInstruction,
+		EmitInternalEvents: false,
+		PreserveUserMessages: &summarization.PreserveUserMessages{
+			Enabled:   true,
+			MaxTokens: preserveMax,
+		},
+		Callback: func(ctx context.Context, before, after adk.ChatModelAgentState) error {
+			if logger == nil {
+				return nil
+			}
+			logger.Info("eino summarization 已压缩上下文",
+				zap.Int("messages_before", len(before.Messages)),
+				zap.Int("messages_after", len(after.Messages)),
+				zap.Int("max_total_tokens", maxTotal),
+				zap.Int("trigger_context_tokens", trigger),
+			)
+			return nil
+		},
+	})
+	if err != nil {
+		return nil, fmt.Errorf("summarization.New: %w", err)
+	}
+	return mw, nil
+}
+
+func einoSummarizationTokenCounter(openAIModel string) summarization.TokenCounterFunc {
+	tc := agent.NewTikTokenCounter()
+	return func(ctx context.Context, input *summarization.TokenCounterInput) (int, error) {
+		var sb strings.Builder
+		for _, msg := range input.Messages {
+			if msg == nil {
+				continue
+			}
+			sb.WriteString(string(msg.Role))
+			sb.WriteByte('\n')
+			if msg.Content != "" {
+				sb.WriteString(msg.Content)
+				sb.WriteByte('\n')
+			}
+			if msg.ReasoningContent != "" {
+				sb.WriteString(msg.ReasoningContent)
+				sb.WriteByte('\n')
+			}
+			if len(msg.ToolCalls) > 0 {
+				if b, err := sonic.Marshal(msg.ToolCalls); err == nil {
+					sb.Write(b)
+					sb.WriteByte('\n')
+				}
+			}
+			for _, part := range msg.UserInputMultiContent {
+				if part.Type == schema.ChatMessagePartTypeText && part.Text != "" {
+					sb.WriteString(part.Text)
+					sb.WriteByte('\n')
+				}
+			}
+		}
+		for _, tl := range input.Tools {
+			if tl == nil {
+				continue
+			}
+			cp := *tl
+			cp.Extra = nil
+			if text, err := sonic.MarshalString(cp); err == nil {
+				sb.WriteString(text)
+				sb.WriteByte('\n')
+			}
+		}
+		text := sb.String()
+		n, err := tc.Count(openAIModel, text)
+		if err != nil {
+			return (len(text) + 3) / 4, nil
+		}
+		return n, nil
+	}
+}

internal/multiagent/runner.go

@@ -193,6 +193,11 @@ func RunDeepAgent(
 			subMax = subDefaultIter
 		}
 
+		subSumMw, err := newEinoSummarizationMiddleware(ctx, subModel, appCfg, logger)
+		if err != nil {
+			return nil, fmt.Errorf("子代理 %q summarization 中间件: %w", id, err)
+		}
+
 		sa, err := adk.NewChatModelAgent(ctx, &adk.ChatModelAgentConfig{
 			Name:        id,
 			Description: desc,
@@ -205,6 +210,7 @@ func RunDeepAgent(
 				EmitInternalEvents: true,
 			},
 			MaxIterations: subMax,
+			Handlers:      []adk.ChatModelAgentMiddleware{subSumMw},
 		})
 		if err != nil {
 			return nil, fmt.Errorf("子代理 %q: %w", id, err)
@@ -217,6 +223,11 @@ func RunDeepAgent(
 		return nil, fmt.Errorf("Deep 主模型: %w", err)
 	}
 
+	mainSumMw, err := newEinoSummarizationMiddleware(ctx, mainModel, appCfg, logger)
+	if err != nil {
+		return nil, fmt.Errorf("Deep 主代理 summarization 中间件: %w", err)
+	}
+
 	// 与 deep.Config.Name 一致。子代理的 assistant 正文也会经 EmitInternalEvents 流出，若全部当主回复会重复（编排器总结 + 子代理原文）。
 	orchestratorName := "cyberstrike-deep"
 	orchDescription := "Coordinates specialist agents and MCP tools for authorized security testing."
@@ -241,6 +252,7 @@ func RunDeepAgent(
 		WithoutGeneralSubAgent: ma.WithoutGeneralSubAgent,
 		WithoutWriteTodos:      ma.WithoutWriteTodos,
 		MaxIteration:           deepMaxIter,
+		Handlers:               []adk.ChatModelAgentMiddleware{mainSumMw},
 		ToolsConfig: adk.ToolsConfig{
 			ToolsNodeConfig: compose.ToolsNodeConfig{
 				Tools: mainTools,
@@ -484,10 +496,11 @@ func historyToMessages(history []agent.ChatMessage) []adk.Message {
 	if len(history) == 0 {
 		return nil
 	}
-	const maxTurns = 40
+	// 放宽条数上限：跨轮历史交给 Eino Summarization（阈值对齐 openai.max_total_tokens）在调用模型前压缩，避免在入队前硬截断为 40 条。
+	const maxHistoryMessages = 300
 	start := 0
-	if len(history) > maxTurns {
+	if len(history) > maxHistoryMessages {
-		start = len(history) - maxTurns
+		start = len(history) - maxHistoryMessages
 	}
 	out := make([]adk.Message, 0, len(history[start:]))
 	for _, h := range history[start:] {