perf: 上下文分级裁剪与Agent完成性保障

app/agents.go

@@ -2,6 +2,7 @@ package app
 
 import (
 	"github.com/voocel/agentcore"
+	"github.com/voocel/agentcore/memory"
 	"github.com/voocel/ainovel-cli/state"
 	"github.com/voocel/ainovel-cli/tools"
 )
@@ -80,12 +81,19 @@ func BuildCoordinator(
 	}
 
 	writer := agentcore.SubAgentConfig{
-		Name:         "writer",
-		Description:  "创作者：自主完成一章的构思、写作、自审和提交",
-		Model:        model,
-		SystemPrompt: writerPrompt,
-		Tools:        writerTools,
-		MaxTurns:     20,
+		Name:             "writer",
+		Description:      "创作者：自主完成一章的构思、写作、自审和提交",
+		Model:            model,
+		SystemPrompt:     writerPrompt,
+		Tools:            writerTools,
+		MaxTurns:         20,
+		TransformContext: memory.NewCompaction(memory.CompactionConfig{
+			Model:            model,
+			ContextWindow:    cfg.ContextWindow,
+			ReserveTokens:    16384,
+			KeepRecentTokens: 20000,
+		}),
+		ConvertToLLM: memory.CompactionConvertToLLM,
 	}
 
 	editor := agentcore.SubAgentConfig{
@@ -104,6 +112,15 @@ func BuildCoordinator(
 		agentcore.WithSystemPrompt(prompts.Coordinator),
 		agentcore.WithTools(subagentTool, contextTool, askUser),
 		agentcore.WithMaxTurns(60),
+		agentcore.WithContextPipeline(
+			memory.NewCompaction(memory.CompactionConfig{
+				Model:            model,
+				ContextWindow:    cfg.ContextWindow,
+				ReserveTokens:    32000,
+				KeepRecentTokens: 30000,
+			}),
+			memory.CompactionConvertToLLM,
+		),
 	)
 	return agent, askUser
 }

app/config.go

@@ -7,14 +7,15 @@ import (
 
 // Config 小说应用配置。
 type Config struct {
-	Prompt    string // 用户的小说需求
-	NovelName string // 小说名（用作输出目录名）
-	OutputDir string // 输出根目录，默认 output/{NovelName}
-	Provider  string // LLM 提供商：openai / anthropic / gemini
-	ModelName string // LLM 模型名
-	APIKey    string // API Key
-	BaseURL   string // API Base URL（可选）
-	Style     string // 写作风格（default/suspense/fantasy/romance）
+	Prompt        string // 用户的小说需求
+	NovelName     string // 小说名（用作输出目录名）
+	OutputDir     string // 输出根目录，默认 output/{NovelName}
+	Provider      string // LLM 提供商：openai / anthropic / gemini
+	ModelName     string // LLM 模型名
+	APIKey        string // API Key
+	BaseURL       string // API Base URL（可选）
+	Style         string // 写作风格（default/suspense/fantasy/romance）
+	ContextWindow int    // 模型上下文窗口大小（token），默认 128000
 }
 
 // Prompts 嵌入的提示词。
@@ -72,4 +73,7 @@ func (c *Config) FillDefaults() {
 	if c.Style == "" {
 		c.Style = "default"
 	}
+	if c.ContextWindow <= 0 {
+		c.ContextWindow = 128000
+	}
 }

app/run.go

@@ -182,21 +182,40 @@ func registerSubscription(coordinator *agentcore.Agent, store *state.Store, prov
 				}
 				return
 			}
+
+			// subagent 结果：提取 usage 和 error，单独记录
+			if ev.Tool == "subagent" {
+				logSubAgentResult(ev.Result, emit)
+				handleFoundationCheck(coordinator, store, emit)
+				committed := handleSubAgentDone(coordinator, store, emit)
+				if !committed {
+					handleUncommittedDraft(coordinator, store, emit)
+				}
+				handleEditorDone(coordinator, store, emit)
+				break
+			}
+
+			// novel_context：提取加载摘要替代原始 JSON
+			if ev.Tool == "novel_context" {
+				if summary := extractLoadingSummary(ev.Result); summary != "" {
+					log.Printf("[tool:done] novel_context → %s", summary)
+					if emit != nil {
+						emit(UIEvent{Time: time.Now(), Category: "CONTEXT", Summary: summary, Level: "info"})
+					}
+				} else {
+					log.Printf("[tool:done] novel_context → %s", truncateLog(string(ev.Result), 200))
+				}
+				if emit != nil {
+					emit(UIEvent{Time: time.Now(), Category: "TOOL", Summary: "novel_context.done", Level: "info"})
+				}
+				break
+			}
+
+			// 其他工具：保持原样
 			log.Printf("[tool:done] %s → %s", ev.Tool, truncateLog(string(ev.Result), 200))
 			if emit != nil {
 				emit(UIEvent{Time: time.Now(), Category: "TOOL", Summary: ev.Tool + ".done", Level: "info"})
 			}
-			// 上下文加载可视化：提取 novel_context 的加载摘要
-			if ev.Tool == "novel_context" && emit != nil {
-				if summary := extractLoadingSummary(ev.Result); summary != "" {
-					emit(UIEvent{Time: time.Now(), Category: "CONTEXT", Summary: summary, Level: "info"})
-				}
-			}
-
-			if ev.Tool == "subagent" {
-				handleSubAgentDone(coordinator, store, emit)
-				handleEditorDone(coordinator, store, emit)
-			}
 
 		case agentcore.EventMessageEnd:
 			if ev.Message != nil && ev.Message.GetRole() == agentcore.RoleAssistant {
@@ -337,11 +356,52 @@ func determineRecovery(progress *domain.Progress, runMeta *domain.RunMeta) recov
 	return recoveryResult{IsNew: true}
 }
 
+// handleFoundationCheck 在 SubAgent 完成后检查基础设定是否完备。
+// 如果 phase 仍在 premise（有 premise 但无 outline），注入确定性提醒。
+func handleFoundationCheck(coordinator *agentcore.Agent, store *state.Store, emit emitFn) {
+	progress, _ := store.LoadProgress()
+	if progress == nil {
+		return
+	}
+	// 只在规划阶段检查（premise 已保存但 outline 未保存）
+	if progress.Phase != domain.PhasePremise {
+		return
+	}
+	var missing []string
+	if o, _ := store.LoadOutline(); len(o) == 0 {
+		missing = append(missing, "outline")
+	}
+	if c, _ := store.LoadCharacters(); len(c) == 0 {
+		missing = append(missing, "characters")
+	}
+	if r, _ := store.LoadWorldRules(); len(r) == 0 {
+		missing = append(missing, "world_rules")
+	}
+	if len(missing) == 0 {
+		return
+	}
+	log.Printf("[host] 基础设定不完整，缺失: %v", missing)
+	if emit != nil {
+		emit(UIEvent{Time: time.Now(), Category: "SYSTEM",
+			Summary: fmt.Sprintf("基础设定不完整，缺失: %v", missing), Level: "warn"})
+	}
+	runMeta, _ := store.LoadRunMeta()
+	guidance := planningTierGuidance(runMeta)
+	msg := fmt.Sprintf(
+		"[系统] 基础设定不完整，以下项目尚未保存：%v。请重新调用对应规划师补全这些设定。在基础设定全部完备前，不要调用 writer。",
+		missing)
+	if guidance != "" {
+		msg += "\n" + guidance
+	}
+	coordinator.FollowUp(agentcore.UserMsg(msg))
+}
+
 // handleSubAgentDone 在每次 SubAgent 调用完成后读取文件系统信号，注入确定性任务。
-func handleSubAgentDone(coordinator *agentcore.Agent, store *state.Store, emit emitFn) {
+// 返回 true 表示检测到 commit 信号（Writer 正常完成）。
+func handleSubAgentDone(coordinator *agentcore.Agent, store *state.Store, emit emitFn) bool {
 	result, err := store.LoadLastCommit()
 	if err != nil || result == nil {
-		return
+		return false
 	}
 	if err := store.ClearLastCommit(); err != nil {
 		log.Printf("[host] 清除 commit 信号失败: %v", err)
@@ -378,7 +438,7 @@ func handleSubAgentDone(coordinator *agentcore.Agent, store *state.Store, emit e
 			coordinator.FollowUp(agentcore.UserMsg(fmt.Sprintf(
 				"[系统] 当前处于重写流程，但提交了非队列章节（第 %d 章）。请先完成待重写章节 %v 后再继续新章节。",
 				result.Chapter, progress.PendingRewrites)))
-			return
+			return true
 		}
 		if err := store.CompleteRewrite(result.Chapter); err != nil {
 			log.Printf("[host] 完成重写标记失败: %v", err)
@@ -396,7 +456,7 @@ func handleSubAgentDone(coordinator *agentcore.Agent, store *state.Store, emit e
 			log.Printf("[host] 还有 %d 章待处理：%v", len(updated.PendingRewrites), updated.PendingRewrites)
 			saveCheckpoint(store, fmt.Sprintf("ch%02d-commit", result.Chapter))
 		}
-		return
+		return true
 	}
 
 	// 确定性判断 1.5：长篇弧/卷边界处理
@@ -454,7 +514,7 @@ func handleSubAgentDone(coordinator *agentcore.Agent, store *state.Store, emit e
 		}
 		clearHandledSteer(store)
 		saveCheckpoint(store, fmt.Sprintf("ch%02d-commit", result.Chapter))
-		return
+		return true
 	}
 
 	// 确定性判断 1：全书完成（TotalChapters 由大纲自动设定）
@@ -475,7 +535,7 @@ func handleSubAgentDone(coordinator *agentcore.Agent, store *state.Store, emit e
 		coordinator.FollowUp(agentcore.UserMsg(fmt.Sprintf(
 			"[系统] 全部 %d 章已写完。请总结全书并结束。不要再调用 writer。",
 			totalChapters)))
-		return
+		return true
 	}
 
 	// 确定性判断 2：需要全局审阅
@@ -493,6 +553,37 @@ func handleSubAgentDone(coordinator *agentcore.Agent, store *state.Store, emit e
 	}
 	clearHandledSteer(store)
 	saveCheckpoint(store, fmt.Sprintf("ch%02d-commit", result.Chapter))
+	return true
+}
+
+// handleUncommittedDraft 在 Writer 结束但没有 commit 时检测是否存在未提交的草稿。
+// 如果存在，提醒 Coordinator 重新调用 writer 完成提交。
+func handleUncommittedDraft(coordinator *agentcore.Agent, store *state.Store, emit emitFn) {
+	progress, _ := store.LoadProgress()
+	if progress == nil || progress.Phase == domain.PhaseComplete {
+		return
+	}
+	// 确定下一个应该写的章节
+	next := 1
+	if progress.InProgressChapter > 0 {
+		next = progress.InProgressChapter
+	} else if len(progress.CompletedChapters) > 0 {
+		next = progress.NextChapter()
+	}
+	// 检查该章节是否有草稿但未提交
+	draft, _ := store.LoadDraft(next)
+	if draft == "" {
+		return
+	}
+	// 有草稿但没有 commit 信号
+	log.Printf("[host] Writer 结束但第 %d 章草稿未提交", next)
+	if emit != nil {
+		emit(UIEvent{Time: time.Now(), Category: "SYSTEM",
+			Summary: fmt.Sprintf("第 %d 章有草稿但未提交", next), Level: "warn"})
+	}
+	coordinator.FollowUp(agentcore.UserMsg(fmt.Sprintf(
+		"[系统] Writer 结束但第 %d 章草稿未提交。请重新调用 writer 完成该章的自审和提交（commit_chapter）。",
+		next)))
 }
 
 // handleEditorDone 在 Editor SubAgent 完成后读取审阅信号。
@@ -599,10 +690,11 @@ func parseProgressSummary(ev agentcore.Event) string {
 		return "progress"
 	}
 	var data struct {
-		Agent    string `json:"agent"`
-		Tool     string `json:"tool"`
-		Turn     int    `json:"turn"`
-		Error    bool   `json:"error"`
+		Agent   string `json:"agent"`
+		Tool    string `json:"tool"`
+		Turn    int    `json:"turn"`
+		Error   bool   `json:"error"`
+		Message string `json:"message"`
 		Thinking string `json:"thinking"`
 	}
 	if err := json.Unmarshal(ev.Result, &data); err != nil {
@@ -614,6 +706,9 @@ func parseProgressSummary(ev agentcore.Event) string {
 	}
 	if data.Tool != "" {
 		if data.Error {
+			if data.Message != "" {
+				return fmt.Sprintf("%s → %s (error: %s)", data.Agent, data.Tool, truncateLog(data.Message, 120))
+			}
 			return fmt.Sprintf("%s → %s (error)", data.Agent, data.Tool)
 		}
 		return fmt.Sprintf("%s → %s", data.Agent, data.Tool)
@@ -638,6 +733,50 @@ func extractLoadingSummary(result json.RawMessage) string {
 	return data.Summary
 }
 
+// logSubAgentResult 从 subagent 结果中提取 usage 和 error，分别记录结构化日志。
+func logSubAgentResult(result json.RawMessage, emit emitFn) {
+	if len(result) == 0 {
+		log.Printf("[tool:done] subagent → (empty)")
+		return
+	}
+	var data struct {
+		Output string `json:"output"`
+		Error  string `json:"error"`
+		Usage  struct {
+			Input      int     `json:"input"`
+			Output     int     `json:"output"`
+			CacheRead  int     `json:"cache_read"`
+			CacheWrite int     `json:"cache_write"`
+			Cost       float64 `json:"cost"`
+			Turns      int     `json:"turns"`
+			Tools      int     `json:"tools"`
+		} `json:"usage"`
+	}
+	if err := json.Unmarshal(result, &data); err != nil {
+		log.Printf("[tool:done] subagent → %s", truncateLog(string(result), 200))
+		return
+	}
+
+	// 记录 usage
+	u := data.Usage
+	log.Printf("[usage] input=%d output=%d cache_read=%d turns=%d tools=%d",
+		u.Input, u.Output, u.CacheRead, u.Turns, u.Tools)
+
+	if data.Error != "" {
+		log.Printf("[subagent:error] %s", data.Error)
+		if emit != nil {
+			emit(UIEvent{Time: time.Now(), Category: "ERROR",
+				Summary: "subagent: " + truncateLog(data.Error, 80), Level: "error"})
+		}
+		return
+	}
+
+	log.Printf("[tool:done] subagent → %s", truncateLog(data.Output, 200))
+	if emit != nil {
+		emit(UIEvent{Time: time.Now(), Category: "TOOL", Summary: "subagent.done", Level: "info"})
+	}
+}
+
 func extractToolErrorText(result json.RawMessage) string {
 	if len(result) == 0 {
 		return ""

domain/runtime.go

@@ -76,7 +76,6 @@ func (p *Progress) NextChapter() int {
 type ContextProfile struct {
 	SummaryWindow  int  // 加载最近 N 章摘要
 	TimelineWindow int  // 加载最近 N 章时间线
-	FullContext    bool // true = 忽略窗口，全量加载
 	Layered        bool // true = 启用分层摘要加载（卷摘要+弧摘要+章摘要）
 }
 
@@ -84,11 +83,11 @@ type ContextProfile struct {
 func NewContextProfile(totalChapters int) ContextProfile {
 	switch {
 	case totalChapters <= 15:
-		return ContextProfile{FullContext: true}
+		return ContextProfile{SummaryWindow: 10, TimelineWindow: 10}
 	case totalChapters <= 50:
-		return ContextProfile{SummaryWindow: 5, TimelineWindow: 10}
+		return ContextProfile{SummaryWindow: 5, TimelineWindow: 8}
 	default:
-		return ContextProfile{SummaryWindow: 3, TimelineWindow: 8, Layered: true}
+		return ContextProfile{SummaryWindow: 3, TimelineWindow: 5, Layered: true}
 	}
 }
 

go.mod

@@ -6,7 +6,8 @@ require (
 	github.com/charmbracelet/bubbles v1.0.0
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
-	github.com/voocel/agentcore v1.5.1
+	github.com/voocel/agentcore v1.5.3
+	github.com/voocel/litellm v1.6.2
 )
 
 require (
@@ -28,8 +29,9 @@ require (
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/voocel/litellm v1.6.0 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	golang.org/x/sys v0.38.0 // indirect
 	golang.org/x/text v0.3.8 // indirect
 )
+
+replace github.com/voocel/agentcore => ../agentcore

go.sum

@@ -44,10 +44,8 @@ github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc
 github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
-github.com/voocel/agentcore v1.5.1 h1:gEVpBXZfXH4fkq4fLISo2dYfoQ+SaJ0NsetU/Y0hKrI=
-github.com/voocel/agentcore v1.5.1/go.mod h1:fjksENApgfL1QXbcJY8RUUU5Gl03YOYExFAZ040X/zU=
-github.com/voocel/litellm v1.6.0 h1:jc0Y7q+cp6QQcag3Mhmd6wMKkfzf7mXjXY0Uvj5VBQw=
-github.com/voocel/litellm v1.6.0/go.mod h1:6MBUu3I4DHm7h72Vl+3nqLruSwYmgqMf/I9BGoordJ4=
+github.com/voocel/litellm v1.6.2 h1:TJ1s7B7UqgV86O1EcuwQTZua0FK1tbOg0+oUsDmgmuA=
+github.com/voocel/litellm v1.6.2/go.mod h1:6MBUu3I4DHm7h72Vl+3nqLruSwYmgqMf/I9BGoordJ4=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=

prompts/architect-long.md

@@ -114,3 +114,4 @@
 - 不要过早透支所有高潮和谜底
 - 不要把同一种爽点反复复制到每一卷
 - 不要让中后期只是前期的放大版
+- **你必须按顺序完成全部 4 步（premise → layered_outline → characters → world_rules），全部保存后才算完成。每次 save_foundation 返回值中的 `remaining` 字段会告诉你还有哪些未完成，不要在 remaining 非空时停止。**

prompts/architect-mid.md

@@ -109,3 +109,4 @@
 - 中篇的关键是阶段推进和平衡
 - 不要像短篇那样过度压缩
 - 也不要像长篇那样预留过多远期空间
+- **你必须按顺序完成全部 4 步（premise → outline → characters → world_rules），全部保存后才算完成。每次 save_foundation 返回值中的 `remaining` 字段会告诉你还有哪些未完成，不要在 remaining 非空时停止。**

prompts/architect-short.md

@@ -106,4 +106,5 @@
 
 - 短篇最重要的是集中与收束
 - 不要预埋大量未来再说的线
-- 不要把短篇写成“长篇开头”
+- 不要把短篇写成”长篇开头”
+- **你必须按顺序完成全部 4 步（premise → outline → characters → world_rules），全部保存后才算完成。每次 save_foundation 返回值中的 `remaining` 字段会告诉你还有哪些未完成，不要在 remaining 非空时停止。**

prompts/coordinator.md

@@ -60,18 +60,18 @@
 调用对应规划师完成基础设定：
 
 ```json
-{"agent": "architect_short", "task": "根据以下需求生成短篇/单卷小说基础设定。\\n\\n<用户需求>"}
+{"agent": "architect_short", "task": "根据以下需求生成短篇/单卷小说基础设定（premise + outline + characters + world_rules，全部保存后才算完成）。\\n\\n<用户需求>"}
 ```
 
 ```json
-{"agent": "architect_mid", "task": "根据以下需求生成中篇/多阶段小说基础设定。\\n\\n<用户需求>"}
+{"agent": "architect_mid", "task": "根据以下需求生成中篇/多阶段小说基础设定（premise + outline + characters + world_rules，全部保存后才算完成）。\\n\\n<用户需求>"}
 ```
 
 ```json
-{"agent": "architect_long", "task": "根据以下需求生成长篇/连载型小说基础设定。\\n\\n<用户需求>"}
+{"agent": "architect_long", "task": "根据以下需求生成长篇/连载型小说基础设定（premise + layered_outline + characters + world_rules，全部保存后才算完成）。\\n\\n<用户需求>"}
 ```
 
-规划完成后，用 novel_context 确认设定已保存，再开始写作。
+规划完成后，用 novel_context（不传 chapter）确认设定已保存。**必须检查返回值中的 `foundation_status.ready` 为 true 且 `foundation_status.missing` 为空**。如果有缺失项，重新调用对应规划师补全缺失部分，不要跳过直接写作。
 
 ### 第二阶段：逐章写作
 

prompts/writer.md

@@ -67,6 +67,8 @@
 如果写作过程中发现某个角色比预期更有魅力、某条支线比主线更有趣、或大纲的走向不太对，你可以在 commit_chapter 的 feedback 字段中反馈。系统会将你的建议转达给 Coordinator 评估。
 
 ## 提交要求
+**你必须在完成写作后调用 commit_chapter，这是你的核心职责。没有 commit 就等于没有完成任何工作。** draft_chapter 只是保存草稿，commit_chapter 才是正式提交。
+
 commit_chapter 时提供：
 - summary: 本章内容摘要（200字以内）
 - characters: 本章出场角色名列表（使用正式名）

tools/check_consistency.go

@@ -21,7 +21,7 @@ func NewCheckConsistencyTool(store *state.Store) *CheckConsistencyTool {
 
 func (t *CheckConsistencyTool) Name() string { return "check_consistency" }
 func (t *CheckConsistencyTool) Description() string {
-	return "加载章节内容和全部状态数据（时间线、伏笔、关系、世界规则、角色状态），供你自行对照检查一致性"
+	return "加载章节内容和对照数据（世界规则、伏笔、关系、别名、最近摘要），供你检查一致性"
 }
 func (t *CheckConsistencyTool) Label() string { return "一致性检查" }
 
@@ -55,18 +55,17 @@ func (t *CheckConsistencyTool) Execute(_ context.Context, args json.RawMessage)
 	result["content"] = content
 	result["word_count"] = wordCount
 
-	// 状态数据（全部加载，Agent 自行决定怎么用）
-	if timeline, _ := t.store.LoadTimeline(); len(timeline) > 0 {
-		result["timeline"] = timeline
+	// 对照数据：保留全局性的一致性检查数据，避免重复加载 novel_context 已有的窗口数据
+	if rules, _ := t.store.LoadWorldRules(); len(rules) > 0 {
+		result["world_rules"] = rules
 	}
-	if foreshadow, _ := t.store.LoadForeshadowLedger(); len(foreshadow) > 0 {
+	if foreshadow, _ := t.store.LoadActiveForeshadow(); len(foreshadow) > 0 {
 		result["foreshadow_ledger"] = foreshadow
 	}
 	if relationships, _ := t.store.LoadRelationships(); len(relationships) > 0 {
 		result["relationships"] = relationships
 	}
 	if chars, _ := t.store.LoadCharacters(); len(chars) > 0 {
-		result["characters"] = chars
 		aliasMap := make(map[string]string)
 		for _, c := range chars {
 			for _, alias := range c.Aliases {
@@ -77,12 +76,6 @@ func (t *CheckConsistencyTool) Execute(_ context.Context, args json.RawMessage)
 			result["alias_map"] = aliasMap
 		}
 	}
-	if changes, _ := t.store.LoadRecentStateChanges(a.Chapter, 5); len(changes) > 0 {
-		result["recent_state_changes"] = changes
-	}
-	if rules, _ := t.store.LoadWorldRules(); len(rules) > 0 {
-		result["world_rules"] = rules
-	}
 	if summaries, _ := t.store.LoadRecentSummaries(a.Chapter, 2); len(summaries) > 0 {
 		result["recent_summaries"] = summaries
 	}

tools/draft_chapter.go

@@ -65,6 +65,7 @@ func (t *DraftChapterTool) Execute(_ context.Context, args json.RawMessage) (jso
 			"chapter":    a.Chapter,
 			"mode":       "append",
 			"word_count": utf8.RuneCountInString(full),
+			"next_step":  "自审后调用 commit_chapter 提交",
 		})
 	default: // write
 		if err := t.store.SaveDraft(a.Chapter, a.Content); err != nil {
@@ -75,6 +76,7 @@ func (t *DraftChapterTool) Execute(_ context.Context, args json.RawMessage) (jso
 			"chapter":    a.Chapter,
 			"mode":       "write",
 			"word_count": utf8.RuneCountInString(a.Content),
+			"next_step":  "自审后调用 commit_chapter 提交",
 		})
 	}
 }

tools/novel_context.go

@@ -126,15 +126,9 @@ func (t *ContextTool) Execute(_ context.Context, args json.RawMessage) (json.Raw
 			warn("current_chapter_outline", err)
 		}
 
-		// 摘要加载：分层 vs 扁平
+		// 摘要加载：分层 vs 扁平窗口
 		if profile.Layered {
 			t.loadLayeredSummaries(result, a.Chapter, profile.SummaryWindow, warn)
-		} else if profile.FullContext {
-			if summaries, err := t.store.LoadAllSummaries(a.Chapter); err == nil && len(summaries) > 0 {
-				result["recent_summaries"] = summaries
-			} else {
-				warn("recent_summaries", err)
-			}
 		} else {
 			if summaries, err := t.store.LoadRecentSummaries(a.Chapter, profile.SummaryWindow); err == nil && len(summaries) > 0 {
 				result["recent_summaries"] = summaries
@@ -143,33 +137,17 @@ func (t *ContextTool) Execute(_ context.Context, args json.RawMessage) (json.Raw
 			}
 		}
 
-		// 时间线：Layered 用窗口，其他按策略
-		if profile.FullContext {
-			if timeline, err := t.store.LoadTimeline(); err == nil && len(timeline) > 0 {
-				result["timeline"] = timeline
-			} else {
-				warn("timeline", err)
-			}
+		// 时间线：窗口加载
+		if timeline, err := t.store.LoadRecentTimeline(a.Chapter, profile.TimelineWindow); err == nil && len(timeline) > 0 {
+			result["timeline"] = timeline
 		} else {
-			if timeline, err := t.store.LoadRecentTimeline(a.Chapter, profile.TimelineWindow); err == nil && len(timeline) > 0 {
-				result["timeline"] = timeline
-			} else {
-				warn("timeline", err)
-			}
+			warn("timeline", err)
 		}
-		// foreshadow：短篇全量，否则只取未回收条目
-		if profile.FullContext {
-			if foreshadow, err := t.store.LoadForeshadowLedger(); err == nil && len(foreshadow) > 0 {
-				result["foreshadow_ledger"] = foreshadow
-			} else {
-				warn("foreshadow_ledger", err)
-			}
+		// foreshadow：只取未回收条目
+		if foreshadow, err := t.store.LoadActiveForeshadow(); err == nil && len(foreshadow) > 0 {
+			result["foreshadow_ledger"] = foreshadow
 		} else {
-			if foreshadow, err := t.store.LoadActiveForeshadow(); err == nil && len(foreshadow) > 0 {
-				result["foreshadow_ledger"] = foreshadow
-			} else {
-				warn("foreshadow_ledger", err)
-			}
+			warn("foreshadow_ledger", err)
 		}
 		// relationships：保持全量（pair-key 去重，数据量天然可控）
 		if relationships, err := t.store.LoadRelationships(); err == nil && len(relationships) > 0 {
@@ -177,8 +155,8 @@ func (t *ContextTool) Execute(_ context.Context, args json.RawMessage) (json.Raw
 		} else {
 			warn("relationship_state", err)
 		}
-		// 状态变化：最近 5 章的角色/实体状态变化
-		if changes, err := t.store.LoadRecentStateChanges(a.Chapter, 5); err == nil && len(changes) > 0 {
+		// 状态变化：最近 2 章
+		if changes, err := t.store.LoadRecentStateChanges(a.Chapter, 2); err == nil && len(changes) > 0 {
 			result["recent_state_changes"] = changes
 		} else {
 			warn("recent_state_changes", err)
@@ -231,6 +209,17 @@ func (t *ContextTool) Execute(_ context.Context, args json.RawMessage) (json.Raw
 			warn("chapter_plan", err)
 		}
 
+		// 前章尾部：嵌入前一章末尾 ~800 字，Writer 无需额外调用 read_chapter 获取衔接上文
+		if a.Chapter > 1 {
+			if prevText, err := t.store.LoadChapterText(a.Chapter - 1); err == nil && prevText != "" {
+				runes := []rune(prevText)
+				if len(runes) > 800 {
+					runes = runes[len(runes)-800:]
+				}
+				result["previous_tail"] = string(runes)
+			}
+		}
+
 		// 风格锚点：从前文提取代表性段落
 		if anchors := t.store.ExtractStyleAnchors(3); len(anchors) > 0 {
 			result["style_anchors"] = anchors
@@ -288,11 +277,20 @@ func (t *ContextTool) Execute(_ context.Context, args json.RawMessage) (json.Raw
 			warn("volume_summaries", err)
 		}
 		result["references"] = t.architectReferences()
+
+		// 基础设定完备性检查
+		result["foundation_status"] = t.foundationStatus()
 	}
 
 	if len(warnings) > 0 {
 		result["_warnings"] = warnings
 	}
+
+	// 优先级预算：总大小超过阈值时自动裁剪低优先级数据
+	if a.Chapter > 0 {
+		trimByBudget(result, 100*1024) // 100KB 预算
+	}
+
 	result["_loading_summary"] = buildLoadingSummary(result, a.Chapter)
 	return json.Marshal(result)
 }
@@ -363,6 +361,9 @@ func buildLoadingSummary(result map[string]any, chapter int) string {
 	if n := countSlice("recent_state_changes"); n > 0 {
 		items = append(items, fmt.Sprintf("状态变化:%d", n))
 	}
+	if _, ok := result["previous_tail"]; ok {
+		items = append(items, "前章尾部:ok")
+	}
 
 	// 参考资料
 	if refs, ok := result["references"].(map[string]string); ok && len(refs) > 0 {
@@ -371,6 +372,9 @@ func buildLoadingSummary(result map[string]any, chapter int) string {
 	if warnings, ok := result["_warnings"].([]string); ok && len(warnings) > 0 {
 		items = append(items, fmt.Sprintf("告警:%d", len(warnings)))
 	}
+	if trimmed, ok := result["_trimmed"].([]string); ok && len(trimmed) > 0 {
+		items = append(items, fmt.Sprintf("裁剪:%s", strings.Join(trimmed, ",")))
+	}
 
 	if len(items) > 0 {
 		parts = append(parts, strings.Join(items, " "))
@@ -520,15 +524,17 @@ func (t *ContextTool) writerReferences(chapter int) map[string]string {
 			refs[k] = v
 		}
 	}
-	// 始终加载的核心参考
-	add("chapter_guide", t.refs.ChapterGuide)
+	// 渐进式加载：始终保留核心参考，前 3 章额外加载完整写作指南
+	add("consistency", t.refs.Consistency)
 	add("hook_techniques", t.refs.HookTechniques)
 	add("quality_checklist", t.refs.QualityChecklist)
-	add("consistency", t.refs.Consistency)
-	add("dialogue_writing", t.refs.DialogueWriting)
-	add("style_reference", t.refs.StyleReference)
+	if chapter <= 3 {
+		add("chapter_guide", t.refs.ChapterGuide)
+		add("dialogue_writing", t.refs.DialogueWriting)
+		add("style_reference", t.refs.StyleReference)
+	}
 
-	// 仅首章加载的补充参考（后续章节不再需要）
+	// 仅首章加载的补充参考
 	if chapter <= 1 {
 		add("chapter_template", t.refs.ChapterTemplate)
 		add("content_expansion", t.refs.ContentExpansion)
@@ -551,6 +557,29 @@ func (t *ContextTool) architectReferences() map[string]string {
 	return refs
 }
 
+// foundationStatus 检查基础设定的完备性，返回缺失项列表。
+func (t *ContextTool) foundationStatus() map[string]any {
+	status := map[string]any{"ready": true}
+	var missing []string
+	if p, _ := t.store.LoadPremise(); p == "" {
+		missing = append(missing, "premise")
+	}
+	if o, _ := t.store.LoadOutline(); len(o) == 0 {
+		missing = append(missing, "outline")
+	}
+	if c, _ := t.store.LoadCharacters(); len(c) == 0 {
+		missing = append(missing, "characters")
+	}
+	if r, _ := t.store.LoadWorldRules(); len(r) == 0 {
+		missing = append(missing, "world_rules")
+	}
+	if len(missing) > 0 {
+		status["ready"] = false
+		status["missing"] = missing
+	}
+	return status
+}
+
 // ContextSummary 返回当前状态的简要摘要（供日志使用）。
 func (t *ContextTool) ContextSummary() string {
 	var parts []string
@@ -568,3 +597,43 @@ func (t *ContextTool) ContextSummary() string {
 	}
 	return strings.Join(parts, ", ")
 }
+
+// trimByBudget 按优先级裁剪 result，使 JSON 总大小不超过 budget 字节。
+// 优先级（从低到高）：references < voice_samples < style_anchors < previous_tail < timeline
+//   < recent_state_changes < foreshadow_ledger < relationship_state < 其余（不裁剪）
+// 裁剪的 key 会记录到 result["_trimmed"] 供日志排查。
+func trimByBudget(result map[string]any, budget int) {
+	// 先测量当前大小
+	data, err := json.Marshal(result)
+	if err != nil || len(data) <= budget {
+		return
+	}
+
+	// 按优先级从低到高列出可裁剪的 key
+	trimOrder := []string{
+		"references",
+		"voice_samples",
+		"style_anchors",
+		"previous_tail",
+		"timeline",
+		"recent_state_changes",
+		"foreshadow_ledger",
+		"relationship_state",
+	}
+
+	var trimmed []string
+	for _, key := range trimOrder {
+		if _, ok := result[key]; !ok {
+			continue
+		}
+		delete(result, key)
+		trimmed = append(trimmed, key)
+		data, err = json.Marshal(result)
+		if err != nil || len(data) <= budget {
+			break
+		}
+	}
+	if len(trimmed) > 0 {
+		result["_trimmed"] = trimmed
+	}
+}

tools/save_foundation.go

@@ -59,13 +59,14 @@ func (t *SaveFoundationTool) Execute(_ context.Context, args json.RawMessage) (j
 		}
 	}
 
+	result := map[string]any{"saved": true, "type": a.Type, "scale": a.Scale}
+
 	switch a.Type {
 	case "premise":
 		if err := t.store.SavePremise(content); err != nil {
 			return nil, fmt.Errorf("save premise: %w", err)
 		}
 		_ = t.store.UpdatePhase(domain.PhasePremise)
-		return json.Marshal(map[string]any{"saved": true, "type": "premise", "scale": a.Scale})
 
 	case "outline":
 		var entries []domain.OutlineEntry
@@ -76,14 +77,13 @@ func (t *SaveFoundationTool) Execute(_ context.Context, args json.RawMessage) (j
 			return nil, fmt.Errorf("save outline: %w", err)
 		}
 		_ = t.store.UpdatePhase(domain.PhaseOutline)
-		// 根据大纲长度自动设定总章节数
 		_ = t.store.SetTotalChapters(len(entries))
 		if domain.PlanningTier(a.Scale) != domain.PlanningTierLong {
 			_ = t.store.SetLayered(false)
 			_ = t.store.UpdateVolumeArc(0, 0)
 			_ = t.store.ClearLayeredOutline()
 		}
-		return json.Marshal(map[string]any{"saved": true, "type": "outline", "chapters": len(entries), "scale": a.Scale})
+		result["chapters"] = len(entries)
 
 	case "layered_outline":
 		var volumes []domain.VolumeOutline
@@ -93,7 +93,6 @@ func (t *SaveFoundationTool) Execute(_ context.Context, args json.RawMessage) (j
 		if err := t.store.SaveLayeredOutline(volumes); err != nil {
 			return nil, fmt.Errorf("save layered_outline: %w", err)
 		}
-		// 展开为扁平大纲，兼容现有 GetChapterOutline
 		flat := domain.FlattenOutline(volumes)
 		if err := t.store.SaveOutline(flat); err != nil {
 			return nil, fmt.Errorf("save flattened outline: %w", err)
@@ -105,11 +104,8 @@ func (t *SaveFoundationTool) Execute(_ context.Context, args json.RawMessage) (j
 		if len(volumes) > 0 && len(volumes[0].Arcs) > 0 {
 			_ = t.store.UpdateVolumeArc(volumes[0].Index, volumes[0].Arcs[0].Index)
 		}
-		return json.Marshal(map[string]any{
-			"saved": true, "type": "layered_outline",
-			"volumes": len(volumes), "chapters": total,
-			"scale": a.Scale,
-		})
+		result["volumes"] = len(volumes)
+		result["chapters"] = total
 
 	case "characters":
 		var chars []domain.Character
@@ -119,7 +115,7 @@ func (t *SaveFoundationTool) Execute(_ context.Context, args json.RawMessage) (j
 		if err := t.store.SaveCharacters(chars); err != nil {
 			return nil, fmt.Errorf("save characters: %w", err)
 		}
-		return json.Marshal(map[string]any{"saved": true, "type": "characters", "count": len(chars), "scale": a.Scale})
+		result["count"] = len(chars)
 
 	case "world_rules":
 		var rules []domain.WorldRule
@@ -129,11 +125,15 @@ func (t *SaveFoundationTool) Execute(_ context.Context, args json.RawMessage) (j
 		if err := t.store.SaveWorldRules(rules); err != nil {
 			return nil, fmt.Errorf("save world_rules: %w", err)
 		}
-		return json.Marshal(map[string]any{"saved": true, "type": "world_rules", "count": len(rules), "scale": a.Scale})
+		result["count"] = len(rules)
 
 	default:
 		return nil, fmt.Errorf("unknown type %q, expected premise/outline/layered_outline/characters/world_rules", a.Type)
 	}
+
+	// 返回剩余未完成项，引导 Architect 继续
+	result["remaining"] = t.remaining()
+	return json.Marshal(result)
 }
 
 func normalizeFoundationContent(raw json.RawMessage) (string, error) {
@@ -151,3 +151,21 @@ func normalizeFoundationContent(raw json.RawMessage) (string, error) {
 	}
 	return string(raw), nil
 }
+
+// remaining 检查基础设定中还缺少哪些必要项。
+func (t *SaveFoundationTool) remaining() []string {
+	var missing []string
+	if p, _ := t.store.LoadPremise(); p == "" {
+		missing = append(missing, "premise")
+	}
+	if o, _ := t.store.LoadOutline(); len(o) == 0 {
+		missing = append(missing, "outline")
+	}
+	if c, _ := t.store.LoadCharacters(); len(c) == 0 {
+		missing = append(missing, "characters")
+	}
+	if r, _ := t.store.LoadWorldRules(); len(r) == 0 {
+		missing = append(missing, "world_rules")
+	}
+	return missing
+}