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internal/config/config.go

@@ -41,6 +41,14 @@ type Config struct {
 	Vision      VisionConfig          `yaml:"vision,omitempty" json:"vision,omitempty"`
 }
 
+const (
+	DefaultSummarizationUserIntentLedgerMaxRunes      = 96000
+	DefaultSummarizationUserIntentLedgerEntryMaxRunes = 16000
+	DefaultLatestUserMessageMaxRunes                  = 48000
+	DefaultLatestUserMessageHeadRunes                 = 24000
+	DefaultLatestUserMessageTailRunes                 = 24000
+)
+
 // ProjectConfig 项目黑板（跨对话共享事实）配置。
 type ProjectConfig struct {
 	Enabled                 bool   `yaml:"enabled" json:"enabled"`
@@ -255,6 +263,16 @@ type MultiAgentEinoMiddlewareConfig struct {
 	SummarizationTriggerRatio float64 `yaml:"summarization_trigger_ratio,omitempty" json:"summarization_trigger_ratio,omitempty"`
 	// SummarizationEmitInternalEvents controls middleware internal event emission (default true).
 	SummarizationEmitInternalEvents *bool `yaml:"summarization_emit_internal_events,omitempty" json:"summarization_emit_internal_events,omitempty"`
+	// SummarizationUserIntentLedgerMaxRunes caps the DB-backed immutable user input ledger injected into model context.
+	SummarizationUserIntentLedgerMaxRunes int `yaml:"summarization_user_intent_ledger_max_runes,omitempty" json:"summarization_user_intent_ledger_max_runes,omitempty"`
+	// SummarizationUserIntentLedgerEntryMaxRunes caps each user message entry inside the immutable user input ledger.
+	SummarizationUserIntentLedgerEntryMaxRunes int `yaml:"summarization_user_intent_ledger_entry_max_runes,omitempty" json:"summarization_user_intent_ledger_entry_max_runes,omitempty"`
+	// LatestUserMessageMaxRunes caps the current user turn inserted into model context; full text is persisted as an artifact when capped.
+	LatestUserMessageMaxRunes int `yaml:"latest_user_message_max_runes,omitempty" json:"latest_user_message_max_runes,omitempty"`
+	// LatestUserMessageHeadRunes keeps the head preview for an oversized current user turn.
+	LatestUserMessageHeadRunes int `yaml:"latest_user_message_head_runes,omitempty" json:"latest_user_message_head_runes,omitempty"`
+	// LatestUserMessageTailRunes keeps the tail preview for an oversized current user turn.
+	LatestUserMessageTailRunes int `yaml:"latest_user_message_tail_runes,omitempty" json:"latest_user_message_tail_runes,omitempty"`
 	// SummarizationRetryMaxAttempts 已废弃：summarization 与 run loop 共用 run_retry_max_attempts 及 isEinoTransientRunError。
 	SummarizationRetryMaxAttempts int `yaml:"summarization_retry_max_attempts,omitempty" json:"summarization_retry_max_attempts,omitempty"`
 	// PlanExecuteUserInputBudgetRatio caps planner/replanner/executor userInput prompt budget ratio (default 0.35).
@@ -302,6 +320,41 @@ func (c MultiAgentEinoMiddlewareConfig) SummarizationEmitInternalEventsEffective
 	return true
 }
 
+func (c MultiAgentEinoMiddlewareConfig) SummarizationUserIntentLedgerMaxRunesEffective() int {
+	if c.SummarizationUserIntentLedgerMaxRunes > 0 {
+		return c.SummarizationUserIntentLedgerMaxRunes
+	}
+	return DefaultSummarizationUserIntentLedgerMaxRunes
+}
+
+func (c MultiAgentEinoMiddlewareConfig) SummarizationUserIntentLedgerEntryMaxRunesEffective() int {
+	if c.SummarizationUserIntentLedgerEntryMaxRunes > 0 {
+		return c.SummarizationUserIntentLedgerEntryMaxRunes
+	}
+	return DefaultSummarizationUserIntentLedgerEntryMaxRunes
+}
+
+func (c MultiAgentEinoMiddlewareConfig) LatestUserMessageMaxRunesEffective() int {
+	if c.LatestUserMessageMaxRunes > 0 {
+		return c.LatestUserMessageMaxRunes
+	}
+	return DefaultLatestUserMessageMaxRunes
+}
+
+func (c MultiAgentEinoMiddlewareConfig) LatestUserMessageHeadRunesEffective() int {
+	if c.LatestUserMessageHeadRunes > 0 {
+		return c.LatestUserMessageHeadRunes
+	}
+	return DefaultLatestUserMessageHeadRunes
+}
+
+func (c MultiAgentEinoMiddlewareConfig) LatestUserMessageTailRunesEffective() int {
+	if c.LatestUserMessageTailRunes > 0 {
+		return c.LatestUserMessageTailRunes
+	}
+	return DefaultLatestUserMessageTailRunes
+}
+
 func (c MultiAgentEinoMiddlewareConfig) PlanExecuteUserInputBudgetRatioEffective() float64 {
 	v := c.PlanExecuteUserInputBudgetRatio
 	if v <= 0 {
@@ -398,14 +451,19 @@ type MultiAgentSubConfig struct {
 
 // MultiAgentPublic 返回给前端的精简信息（不含子代理指令全文）。
 type MultiAgentPublic struct {
-	Enabled                               bool     `json:"enabled"`
+	Enabled                                    bool     `json:"enabled"`
-	RobotDefaultAgentMode                 string   `json:"robot_default_agent_mode,omitempty"`
+	RobotDefaultAgentMode                      string   `json:"robot_default_agent_mode,omitempty"`
-	BatchUseMultiAgent                    bool     `json:"batch_use_multi_agent"`
+	BatchUseMultiAgent                         bool     `json:"batch_use_multi_agent"`
-	SubAgentCount                         int      `json:"sub_agent_count"`
+	SubAgentCount                              int      `json:"sub_agent_count"`
-	Orchestration                         string   `json:"orchestration,omitempty"`
+	Orchestration                              string   `json:"orchestration,omitempty"`
-	PlanExecuteLoopMaxIterations          int      `json:"plan_execute_loop_max_iterations"`
+	PlanExecuteLoopMaxIterations               int      `json:"plan_execute_loop_max_iterations"`
-	ToolSearchAlwaysVisibleTools          []string `json:"tool_search_always_visible_tools,omitempty"`
+	SummarizationUserIntentLedgerMaxRunes      int      `json:"summarization_user_intent_ledger_max_runes"`
-	ToolSearchAlwaysVisibleEffectiveTools []string `json:"tool_search_always_visible_effective_tools,omitempty"`
+	SummarizationUserIntentLedgerEntryMaxRunes int      `json:"summarization_user_intent_ledger_entry_max_runes"`
+	LatestUserMessageMaxRunes                  int      `json:"latest_user_message_max_runes"`
+	LatestUserMessageHeadRunes                 int      `json:"latest_user_message_head_runes"`
+	LatestUserMessageTailRunes                 int      `json:"latest_user_message_tail_runes"`
+	ToolSearchAlwaysVisibleTools               []string `json:"tool_search_always_visible_tools,omitempty"`
+	ToolSearchAlwaysVisibleEffectiveTools      []string `json:"tool_search_always_visible_effective_tools,omitempty"`
 }
 
 // NormalizeAgentMode 解析代理模式（eino_single | deep | plan_execute | supervisor）；空值默认 eino_single。
@@ -445,10 +503,15 @@ func NormalizeMultiAgentOrchestration(s string) string {
 
 // MultiAgentAPIUpdate 设置页/API 仅更新多代理标量字段；写入 YAML 时不覆盖 sub_agents 等块。
 type MultiAgentAPIUpdate struct {
-	Enabled                      bool   `json:"enabled"`
+	Enabled                                    bool   `json:"enabled"`
-	RobotDefaultAgentMode        string `json:"robot_default_agent_mode,omitempty"`
+	RobotDefaultAgentMode                      string `json:"robot_default_agent_mode,omitempty"`
-	BatchUseMultiAgent           bool   `json:"batch_use_multi_agent"`
+	BatchUseMultiAgent                         bool   `json:"batch_use_multi_agent"`
-	PlanExecuteLoopMaxIterations *int   `json:"plan_execute_loop_max_iterations,omitempty"`
+	PlanExecuteLoopMaxIterations               *int   `json:"plan_execute_loop_max_iterations,omitempty"`
+	SummarizationUserIntentLedgerMaxRunes      *int   `json:"summarization_user_intent_ledger_max_runes,omitempty"`
+	SummarizationUserIntentLedgerEntryMaxRunes *int   `json:"summarization_user_intent_ledger_entry_max_runes,omitempty"`
+	LatestUserMessageMaxRunes                  *int   `json:"latest_user_message_max_runes,omitempty"`
+	LatestUserMessageHeadRunes                 *int   `json:"latest_user_message_head_runes,omitempty"`
+	LatestUserMessageTailRunes                 *int   `json:"latest_user_message_tail_runes,omitempty"`
 	// 指针区分「JSON 未传该字段」与「传空数组要清空」；省略时不应覆盖 YAML 中的常驻工具白名单。
 	ToolSearchAlwaysVisibleTools *[]string `json:"tool_search_always_visible_tools,omitempty"`
 }

internal/config/config_test.go

@@ -91,3 +91,52 @@ func TestHitlAuditModelEffectiveFallsBackToMainConfig(t *testing.T) {
 		t.Fatalf("expected audit model override, got %q", got.Model)
 	}
 }
+
+func TestSummarizationUserIntentLedgerRunesEffective(t *testing.T) {
+	var zero MultiAgentEinoMiddlewareConfig
+	if got := zero.SummarizationUserIntentLedgerMaxRunesEffective(); got != DefaultSummarizationUserIntentLedgerMaxRunes {
+		t.Fatalf("default ledger max runes = %d, want %d", got, DefaultSummarizationUserIntentLedgerMaxRunes)
+	}
+	if got := zero.SummarizationUserIntentLedgerEntryMaxRunesEffective(); got != DefaultSummarizationUserIntentLedgerEntryMaxRunes {
+		t.Fatalf("default ledger entry max runes = %d, want %d", got, DefaultSummarizationUserIntentLedgerEntryMaxRunes)
+	}
+
+	custom := MultiAgentEinoMiddlewareConfig{
+		SummarizationUserIntentLedgerMaxRunes:      12345,
+		SummarizationUserIntentLedgerEntryMaxRunes: 2345,
+	}
+	if got := custom.SummarizationUserIntentLedgerMaxRunesEffective(); got != 12345 {
+		t.Fatalf("custom ledger max runes = %d", got)
+	}
+	if got := custom.SummarizationUserIntentLedgerEntryMaxRunesEffective(); got != 2345 {
+		t.Fatalf("custom ledger entry max runes = %d", got)
+	}
+}
+
+func TestLatestUserMessageRunesEffective(t *testing.T) {
+	var zero MultiAgentEinoMiddlewareConfig
+	if got := zero.LatestUserMessageMaxRunesEffective(); got != DefaultLatestUserMessageMaxRunes {
+		t.Fatalf("default latest user max runes = %d, want %d", got, DefaultLatestUserMessageMaxRunes)
+	}
+	if got := zero.LatestUserMessageHeadRunesEffective(); got != DefaultLatestUserMessageHeadRunes {
+		t.Fatalf("default latest user head runes = %d, want %d", got, DefaultLatestUserMessageHeadRunes)
+	}
+	if got := zero.LatestUserMessageTailRunesEffective(); got != DefaultLatestUserMessageTailRunes {
+		t.Fatalf("default latest user tail runes = %d, want %d", got, DefaultLatestUserMessageTailRunes)
+	}
+
+	custom := MultiAgentEinoMiddlewareConfig{
+		LatestUserMessageMaxRunes:  100,
+		LatestUserMessageHeadRunes: 40,
+		LatestUserMessageTailRunes: 60,
+	}
+	if got := custom.LatestUserMessageMaxRunesEffective(); got != 100 {
+		t.Fatalf("custom latest user max runes = %d", got)
+	}
+	if got := custom.LatestUserMessageHeadRunesEffective(); got != 40 {
+		t.Fatalf("custom latest user head runes = %d", got)
+	}
+	if got := custom.LatestUserMessageTailRunesEffective(); got != 60 {
+		t.Fatalf("custom latest user tail runes = %d", got)
+	}
+}