diff --git a/internal/intent/recognizer.go b/internal/intent/recognizer.go
index a1e112da..28454343 100644
--- a/internal/intent/recognizer.go
+++ b/internal/intent/recognizer.go
@@ -14,7 +14,7 @@ type Recognizer interface {
 	Recognize(ctx context.Context, input string, userCtx *ContextSnapshot) (*IntentRecognitionResult, error)
 }
 
-// RuleBasedRecognizer 规则与上下文约束结合的三分支柔性意图消解器
+// RuleBasedRecognizer 规则与上下文约束结合的四级漏斗意图消解引擎
 type RuleBasedRecognizer struct{}
 
 func NewRecognizer() Recognizer {
@@ -52,7 +52,49 @@ func (r *RuleBasedRecognizer) Recognize(ctx context.Context, input string, userC
 	}
 
 	// -------------------------------------------------------------
-	// 阶段一：若输入明确是咨询参谋/犹豫（如“这个先放放，你觉得呢”），优先归入分支 3 (参谋主动分忧)
+	// 阶段零 (Stage 0)：态势前置过滤与安全防护检查 (Security & UI Guard)
+	// -------------------------------------------------------------
+	// 1. 安全红线校验：严禁通过自然语言对话修改系统受控配置、用户法定身份/职位/工号
+	if isSecurityViolation(trimmed) {
+		top := &CandidateIntent{
+			Intent:      IntentSecurityForbidden,
+			Branch:      BranchNewIntentPreempt,
+			Confidence:  1.0,
+			FilledSlots: map[string]string{SlotForbiddenTarget: "identity_or_settings"},
+			Reasoning:   "检测到试图修改系统底层受控配置或用户法定身份/职位/工号，根据医疗器械质量与合规管理规范（ISO 13485 / 21 CFR Part 11），触发安全红线拦截",
+		}
+		return &IntentRecognitionResult{
+			RawInput:           trimmed,
+			Branch:             BranchNewIntentPreempt,
+			TopIntent:          top,
+			Candidates:         []CandidateIntent{*top},
+			ContextSnapshotID:  snapID,
+			RequiresClarifying: false,
+		}, nil
+	}
+
+	// 2. 纯 UI 视窗控制指令拦截：归入 CASUAL_CHAT 并给出不可执行提示
+	if isPureUICommand(trimmed) {
+		top := &CandidateIntent{
+			Intent:     IntentCasualChat,
+			Branch:     BranchAmbiguousFallback,
+			Confidence: 0.90,
+			FilledSlots: make(map[string]string),
+			Reasoning:  "纯UI视窗控制指令，系统暂不支持通过对话直接操作界面视窗布局，请通过界面按钮或快捷键操作",
+			ClarificationQuestion: "检测到您下达了界面视窗控制指令（如折叠/打开侧边栏）。该操作属于前端UI视窗布局控制，请直接点击界面右上角或侧边的视窗切换按钮。",
+		}
+		return &IntentRecognitionResult{
+			RawInput:           trimmed,
+			Branch:             BranchAmbiguousFallback,
+			TopIntent:          top,
+			Candidates:         []CandidateIntent{*top},
+			ContextSnapshotID:  snapID,
+			RequiresClarifying: false,
+		}, nil
+	}
+
+	// -------------------------------------------------------------
+	// 阶段 0.5：若输入明确是咨询参谋/犹豫（如“这个先放放，你觉得呢”），优先归入分支 3 (参谋主动分忧)
 	// -------------------------------------------------------------
 	if isConsultativeOrHesitant(trimmed) {
 		res := buildAmbiguousConsultResult(trimmed, snapID, pending)
@@ -60,7 +102,7 @@ func (r *RuleBasedRecognizer) Recognize(ctx context.Context, input string, userC
 	}
 
 	// -------------------------------------------------------------
-	// 阶段二：分支 1 判定——命中历史轮次挂起预期 (肯定 / 选项序号 / 复合带补丁 / 明确撤销)
+	// 阶段 0.8：分支 1 判定——命中历史轮次挂起预期 (肯定 / 选项序号 / 复合带补丁 / 明确撤销)
 	// -------------------------------------------------------------
 	if pending != nil {
 		if hitCand := matchExpectationHit(trimmed, pending); hitCand != nil {
@@ -75,35 +117,50 @@ func (r *RuleBasedRecognizer) Recognize(ctx context.Context, input string, userC
 	}
 
 	// -------------------------------------------------------------
-	// 阶段三：分支 2 判定——独立新意图抢占 (用户新需求最高优先级)
+	// 阶段一与阶段二 (Stage 1 & Stage 2)：领域大类路由、微观细分动作与槽位提取
 	// -------------------------------------------------------------
 	var candidates []CandidateIntent
 
-	// 1. 检验 ADVANCE_STAGE (推进阶段)
+	// 领域 1: 法定受控文档治理流转 (GOV_LIFECYCLE)
+	// (涵盖 驳回、通过、送审、认领、终审批准、提案裁决)
+	if cand := matchDocGovAction(trimmed, userCtx); cand != nil {
+		cand.Branch = BranchNewIntentPreempt
+		candidates = append(candidates, *cand)
+	}
+
+	// 领域 2: 决策辅助、合规与知识检索 (DECISION_QUERY - Knowledge & Rights)
+	// (涵盖 法规强标、标杆类似案例、用户法定职责与权限)
+	if cand := matchKnowledgeQuery(trimmed); cand != nil {
+		cand.Branch = BranchNewIntentPreempt
+		candidates = append(candidates, *cand)
+	}
+
+	// 领域 3: 交付物与阶段演进 (CONTENT_SYNTHESIS)
+	// 3.1 阶段推进 (ADVANCE_STAGE)
 	if cand := matchAdvanceStage(trimmed, currentStage); cand != nil {
 		cand.Branch = BranchNewIntentPreempt
 		candidates = append(candidates, *cand)
 	}
 
-	// 2. 检验 SUPPLEMENT_INFO (补充信息/参数变更)
+	// 3.2 补充信息/参数事实 (SUPPLEMENT_INFO)
 	if cand := matchSupplementInfo(trimmed); cand != nil {
 		cand.Branch = BranchNewIntentPreempt
 		candidates = append(candidates, *cand)
 	}
 
-	// 3. 检验 QUERY_PROGRESS (查询进度/技术咨询/参谋诊断/话术)
-	if cand := matchQueryProgress(trimmed); cand != nil {
-		cand.Branch = BranchNewIntentPreempt
-		candidates = append(candidates, *cand)
-	}
-
-	// 4. 检验 TRIGGER_TASK (特定任务触发)
+	// 3.3 交付任务触发 (TRIGGER_TASK)
 	if cand := matchTriggerTask(trimmed); cand != nil {
 		cand.Branch = BranchNewIntentPreempt
 		candidates = append(candidates, *cand)
 	}
 
-	// 5. 检验 CASUAL_CHAT (寒暄/通用求助)
+	// 领域 4: 进度与技术研判查询 (DECISION_QUERY - Progress & Technical)
+	if cand := matchQueryProgress(trimmed); cand != nil {
+		cand.Branch = BranchNewIntentPreempt
+		candidates = append(candidates, *cand)
+	}
+
+	// 通用对话/闲聊保底 (CASUAL_CHAT)
 	chatCand := CandidateIntent{
 		Intent:      IntentCasualChat,
 		Branch:      BranchNewIntentPreempt,
@@ -121,11 +178,27 @@ func (r *RuleBasedRecognizer) Recognize(ctx context.Context, input string, userC
 	top := &candidates[0]
 
 	// -------------------------------------------------------------
-	// 阶段四：分支 3 判定——模糊/无实际意义兜底 (置信度不足或需澄清)
+	// 阶段三 (Stage 3)：槽位完备性与置信度裁决 (门禁裁决与追问下发)
 	// -------------------------------------------------------------
 	branch := BranchNewIntentPreempt
 	requiresClarifying := false
-	if top.Confidence < 0.6 || len(top.MissingSlots) > 0 {
+
+	// 1. 若为 DOCGOV_REVIEW_REJECT，检查必填槽位 reject_reason
+	if top.Intent == IntentDocGovReviewReject {
+		if top.FilledSlots[SlotRejectReason] == "" {
+			requiresClarifying = true
+			top.ClarificationQuestion = "请说明具体的法定驳回理由，我将为您注入文档批注并退回编制阶段。"
+			top.MissingSlots = []string{SlotRejectReason}
+		}
+	}
+
+	// 2. 若存在权限不符或前置剪枝阻断，转入澄清引导
+	if strings.Contains(top.Reasoning, "权限不符") || strings.Contains(top.Reasoning, "前置剪枝") {
+		requiresClarifying = true
+	}
+
+	// 3. 低置信度或缺失必填槽位兜底
+	if top.Confidence < 0.6 || len(top.MissingSlots) > 0 || requiresClarifying {
 		branch = BranchAmbiguousFallback
 		top.Branch = BranchAmbiguousFallback
 		requiresClarifying = true
@@ -141,6 +214,381 @@ func (r *RuleBasedRecognizer) Recognize(ctx context.Context, input string, userC
 	}, nil
 }
 
+// isSecurityViolation 检查是否命中敏感安全与权限红线
+func isSecurityViolation(input string) bool {
+	lower := strings.ToLower(input)
+	patterns := []string{
+		"修改身份", "身份修改", "修改职位", "职位修改", "修改岗位",
+		"改成批准人", "改成审核人", "改成编制人",
+		"工号改成", "修改工号", "工号修改",
+		"修改设置", "修改配置", "系统设置", "修改网关", "网关配置",
+		"修改密码", "重置密码", "提升权限", "越权",
+	}
+	for _, p := range patterns {
+		if strings.Contains(lower, p) {
+			return true
+		}
+	}
+
+	secRegexes := []string{
+		`把.*(?:身份|职位|角色|工号|权限).*(?:修改|改|换)`,
+		`(?:修改|改|换).*(?:身份|职位|角色|工号|网关)`,
+	}
+	for _, r := range secRegexes {
+		if matched, _ := regexp.MatchString(r, input); matched {
+			return true
+		}
+	}
+	return false
+}
+
+// isPureUICommand 检查是否为纯前端UI视窗布局控制指令
+func isPureUICommand(input string) bool {
+	patterns := []string{
+		"打开工具栏", "关闭工具栏",
+		"折叠侧边栏", "展开侧边栏", "隐藏侧边栏", "显示侧边栏",
+		"折叠左侧栏", "展开左侧栏", "折叠右侧栏", "展开右侧栏",
+		"折叠工作台", "展开工作台",
+		"切换全屏", "全屏显示", "退出全屏",
+		"打开控制台", "关闭控制台",
+	}
+	for _, p := range patterns {
+		if strings.Contains(input, p) {
+			return true
+		}
+	}
+	return false
+}
+
+// matchDocGovAction 匹配法定受控文档治理流转动作与槽位提取
+func matchDocGovAction(input string, userCtx *ContextSnapshot) *CandidateIntent {
+	// 1. 驳回 (Review Reject or Final Reject)
+	if strings.Contains(input, "驳回") {
+		isFinal := false
+		if strings.Contains(input, "终审") || strings.Contains(input, "批准") {
+			isFinal = true
+		} else if userCtx != nil && (userCtx.DocLifecycleState == "approving" || userCtx.UserDocRole == "approver") {
+			isFinal = true
+		}
+
+		targetIntent := IntentDocGovReviewReject
+		if isFinal {
+			targetIntent = IntentDocGovFinalReject
+		}
+
+		slots := make(map[string]string)
+
+		// target_doc
+		targetDoc := ""
+		if userCtx != nil && userCtx.ActiveDocID != "" {
+			targetDoc = userCtx.ActiveDocID
+		} else {
+			targetDoc = extractDocName(input)
+		}
+		if targetDoc != "" {
+			slots[SlotTargetDoc] = targetDoc
+		}
+
+		// target_section
+		section := extractSection(input)
+		if section != "" {
+			slots[SlotTargetSection] = section
+		}
+
+		// reject_reason
+		reason := extractRejectReason(input)
+		if reason != "" {
+			slots[SlotRejectReason] = reason
+		}
+
+		confidence := 0.95
+		reasoning := fmt.Sprintf("用户下达法定治理驳回指令，目标意图为 %s", targetIntent)
+		clarifyQ := ""
+
+		// Stage 0 权限与状态前置剪枝校验
+		if userCtx != nil {
+			if !isFinal && userCtx.UserDocRole != "" && userCtx.UserDocRole != "reviewer" && userCtx.UserDocRole != "system" {
+				confidence = 0.55
+				reasoning = fmt.Sprintf("前置剪枝：当前用户角色不是审核人（UserDocRole: %s），权限不符，无法执行审核驳回", userCtx.UserDocRole)
+				clarifyQ = fmt.Sprintf("您当前在受控文档中的角色为【%s】，不具备审核驳回权限（需审核人角色）。", userCtx.UserDocRole)
+			} else if isFinal && userCtx.UserDocRole != "" && userCtx.UserDocRole != "approver" && userCtx.UserDocRole != "system" {
+				confidence = 0.55
+				reasoning = fmt.Sprintf("前置剪枝：当前用户角色不是批准人（UserDocRole: %s），权限不符，无法执行终审驳回", userCtx.UserDocRole)
+				clarifyQ = fmt.Sprintf("您当前在受控文档中的角色为【%s】，不具备终审批准驳回权限（需批准人角色）。", userCtx.UserDocRole)
+			}
+
+			if userCtx.DocLifecycleState == "drafting" {
+				confidence = 0.55
+				reasoning = "前置剪枝：当前文档处于编制草稿阶段(drafting)，尚未提交审核，无法执行驳回操作"
+				clarifyQ = "当前文档处于编制中(drafting)，尚未送审，无需驳回。"
+			}
+		}
+
+		return &CandidateIntent{
+			Intent:                targetIntent,
+			Confidence:            confidence,
+			Branch:                BranchNewIntentPreempt,
+			FilledSlots:           slots,
+			Reasoning:             reasoning,
+			ClarificationQuestion: clarifyQ,
+		}
+	}
+
+	// 2. 终审批准 (Final Approve)
+	if strings.Contains(input, "终审批准") || strings.Contains(input, "批准发布") || strings.Contains(input, "批准生效") ||
+		strings.Contains(input, "同意发布") || (strings.Contains(input, "批准") && !strings.Contains(input, "不")) {
+		targetIntent := IntentDocGovFinalApprove
+		slots := make(map[string]string)
+		targetDoc := ""
+		if userCtx != nil && userCtx.ActiveDocID != "" {
+			targetDoc = userCtx.ActiveDocID
+		} else {
+			targetDoc = extractDocName(input)
+		}
+		if targetDoc != "" {
+			slots[SlotTargetDoc] = targetDoc
+		}
+
+		return &CandidateIntent{
+			Intent:      targetIntent,
+			Confidence:  0.95,
+			Branch:      BranchNewIntentPreempt,
+			FilledSlots: slots,
+			Reasoning:   "用户下达受控文档终审批准生效指令",
+		}
+	}
+
+	// 3. 审核通过 (Review Approve)
+	if strings.Contains(input, "审核通过") || strings.Contains(input, "审阅通过") || strings.Contains(input, "评审通过") ||
+		(strings.Contains(input, "通过") && (strings.Contains(input, "审核") || strings.Contains(input, "审阅") || strings.Contains(input, "报告") || strings.Contains(input, "准予") || strings.Contains(input, "环节"))) {
+		if !strings.Contains(input, "下一阶段") && !strings.Contains(input, "推进") {
+			targetIntent := IntentDocGovReviewApprove
+			slots := make(map[string]string)
+			targetDoc := ""
+			if userCtx != nil && userCtx.ActiveDocID != "" {
+				targetDoc = userCtx.ActiveDocID
+			} else {
+				targetDoc = extractDocName(input)
+			}
+			if targetDoc != "" {
+				slots[SlotTargetDoc] = targetDoc
+			}
+
+			return &CandidateIntent{
+				Intent:      targetIntent,
+				Confidence:  0.95,
+				Branch:      BranchNewIntentPreempt,
+				FilledSlots: slots,
+				Reasoning:   "用户下达受控文档审核通过指令",
+			}
+		}
+	}
+
+	// 4. 认领文档 (Claim)
+	if strings.Contains(input, "认领") {
+		slots := make(map[string]string)
+		targetDoc := ""
+		if userCtx != nil && userCtx.ActiveDocID != "" {
+			targetDoc = userCtx.ActiveDocID
+		} else {
+			targetDoc = extractDocName(input)
+		}
+		if targetDoc != "" {
+			slots[SlotTargetDoc] = targetDoc
+		}
+
+		return &CandidateIntent{
+			Intent:      IntentDocGovClaim,
+			Confidence:  0.94,
+			Branch:      BranchNewIntentPreempt,
+			FilledSlots: slots,
+			Reasoning:   "用户下达认领文档编制责任人指令",
+		}
+	}
+
+	// 5. 提交送审 (Submit Review)
+	if strings.Contains(input, "送审") || strings.Contains(input, "提交审核") || strings.Contains(input, "发起审核") || strings.Contains(input, "提审") {
+		slots := make(map[string]string)
+		targetDoc := ""
+		if userCtx != nil && userCtx.ActiveDocID != "" {
+			targetDoc = userCtx.ActiveDocID
+		} else {
+			targetDoc = extractDocName(input)
+		}
+		if targetDoc != "" {
+			slots[SlotTargetDoc] = targetDoc
+		}
+
+		return &CandidateIntent{
+			Intent:      IntentDocGovSubmitReview,
+			Confidence:  0.94,
+			Branch:      BranchNewIntentPreempt,
+			FilledSlots: slots,
+			Reasoning:   "用户下达编制完成送交审核指令",
+		}
+	}
+
+	// 6. 提案裁决 (Proposal Decide)
+	if strings.Contains(input, "提案") || strings.Contains(input, "修改建议") || strings.Contains(input, "变更建议") {
+		if strings.Contains(input, "同意") || strings.Contains(input, "采纳") || strings.Contains(input, "拒绝") || strings.Contains(input, "拍板") {
+			slots := make(map[string]string)
+			if strings.Contains(input, "拒绝") {
+				slots[SlotProposalAction] = "reject"
+			} else {
+				slots[SlotProposalAction] = "accept"
+			}
+			return &CandidateIntent{
+				Intent:      IntentDocGovProposalDecide,
+				Confidence:  0.93,
+				Branch:      BranchNewIntentPreempt,
+				FilledSlots: slots,
+				Reasoning:   "用户对受控文档的修改提案或批注做出决策裁决",
+			}
+		}
+	}
+
+	return nil
+}
+
+// matchKnowledgeQuery 匹配法规标准、标杆案例与权限查询
+func matchKnowledgeQuery(input string) *CandidateIntent {
+	// 排除事实参数补充的输入场景
+	excludeKeywords := []string{"客户说", "客户反馈", "客户补充", "补充说", "补充", "修改为", "改为", "增加"}
+	for _, ek := range excludeKeywords {
+		if strings.Contains(input, ek) {
+			return nil
+		}
+	}
+
+	// 1. 用户权限查询 (IntentQueryUserRights)
+	userRightsPatterns := []string{
+		"我的权限", "我有什么权限", "我负责什么", "我的角色", "查看我的职责",
+		"查询权限", "当前权限", "我在这个项目的角色", "法定角色", "法定职责", "我的职责",
+	}
+	for _, p := range userRightsPatterns {
+		if strings.Contains(input, p) {
+			return &CandidateIntent{
+				Intent:     IntentQueryUserRights,
+				Confidence: 0.95,
+				FilledSlots: map[string]string{
+					SlotQueryTopic: "user_rights",
+				},
+				Reasoning: "用户查询自身在项目及受控文档中的法定职责与操作权限",
+			}
+		}
+	}
+
+	// 2. 标杆/相似案例查询 (IntentQuerySimilarCases)
+	similarCasesPatterns := []string{
+		"参考案例", "往期经验", "类似项目", "相似案例", "同类产品",
+		"同类项目", "以往案例", "标杆案例", "同类获批", "竞品获批案例",
+		"注册案例", "申报案例",
+	}
+	for _, p := range similarCasesPatterns {
+		if strings.Contains(input, p) {
+			return &CandidateIntent{
+				Intent:     IntentQuerySimilarCases,
+				Confidence: 0.92,
+				FilledSlots: map[string]string{
+					SlotQueryTopic: "similar_cases",
+				},
+				Reasoning: "用户查询以往类似产品的注册申报、上市审评或标杆案例与经验",
+			}
+		}
+	}
+
+	// 3. 法规强标查询 (IntentQueryRegulations)
+	regKeywords := []string{
+		"gb 9706", "gb9706", "yy 0505", "yy0505", "强制性标准", "强标",
+		"技术审评指导原则", "指导原则", "合规要求", "注册标准",
+	}
+	lower := strings.ToLower(input)
+	for _, rk := range regKeywords {
+		if strings.Contains(lower, rk) {
+			return &CandidateIntent{
+				Intent:     IntentQueryRegulations,
+				Confidence: 0.92,
+				FilledSlots: map[string]string{
+					SlotQueryTopic: "regulations",
+				},
+				Reasoning: "用户咨询医疗器械适用的国家标准、行业强标或审评指导原则法规",
+			}
+		}
+	}
+
+	if (strings.Contains(lower, "法规") || strings.Contains(lower, "标准") || strings.Contains(lower, "yy") || strings.Contains(lower, "fda") || strings.Contains(lower, "ce")) &&
+		(strings.Contains(lower, "查") || strings.Contains(lower, "哪些") || strings.Contains(lower, "满足") || strings.Contains(lower, "要求") || strings.Contains(lower, "规范")) {
+		return &CandidateIntent{
+			Intent:     IntentQueryRegulations,
+			Confidence: 0.90,
+			FilledSlots: map[string]string{
+				SlotQueryTopic: "regulations",
+			},
+			Reasoning: "用户咨询医疗器械适用的国家标准、行业强标或审评指导原则法规",
+		}
+	}
+
+	return nil
+}
+
+// extractDocName 从文本或预设映射中提取目标受控文档名称/标识
+func extractDocName(input string) string {
+	reDocID := regexp.MustCompile(`(doc-[a-zA-Z0-9_-]+)`)
+	if match := reDocID.FindString(input); match != "" {
+		return match
+	}
+
+	docNames := []string{
+		"用户需求收集表", "需求收集表", "需求表",
+		"技术与市场调研报告", "调研报告",
+		"法规与注册论证报告", "法规评估", "注册评估",
+		"初步设计与架构方案", "初步设计", "设计方案",
+		"CDO报价单", "初步报价单", "报价单",
+	}
+	for _, name := range docNames {
+		if strings.Contains(input, name) {
+			return name
+		}
+	}
+
+	reBa := regexp.MustCompile(`把\s*(.+?)\s*(?:审核驳回|终审驳回|驳回|审核通过|批准|认领|送审|提交审核)`)
+	if match := reBa.FindStringSubmatch(input); len(match) > 1 {
+		return strings.TrimSpace(match[1])
+	}
+
+	return ""
+}
+
+// extractRejectReason 从用户输入中提取驳回意见或批注内容
+func extractRejectReason(input string) string {
+	reReason := regexp.MustCompile(`(?:意见为|意见是|意见|理由为|理由是|理由|原因|批注为|批注|修改意见)[：:\s]\s*(.+)`)
+	if match := reReason.FindStringSubmatch(input); len(match) > 1 {
+		res := strings.TrimSpace(match[1])
+		return strings.Trim(res, "，,。；; ")
+	}
+
+	reAfterReject := regexp.MustCompile(`驳回[，,\s]+(.+)`)
+	if match := reAfterReject.FindStringSubmatch(input); len(match) > 1 {
+		res := strings.TrimSpace(match[1])
+		res = regexp.MustCompile(`^(?:意见为|意见是|意见|理由为|理由是|理由|原因|批注为|批注|修改意见)[：:\s]\s*`).ReplaceAllString(res, "")
+		res = strings.Trim(res, "，,。；; ")
+		if res != "" {
+			return res
+		}
+	}
+
+	return ""
+}
+
+// extractSection 从文本中抽取目标章节线索 (如 "第3节", "3.1节")
+func extractSection(input string) string {
+	reSection := regexp.MustCompile(`(第[0-9一二三四五六七八九十]+[章节条部分]+|[0-9]+\.[0-9]+[节章]*)`)
+	if match := reSection.FindString(input); match != "" {
+		return match
+	}
+	return ""
+}
+
 // matchExpectationHit 检验是否命中挂起预期 (分支 1)
 func matchExpectationHit(input string, pending *PendingExpectation) *CandidateIntent {
 	// 1. 否定/暂缓意图
@@ -228,7 +676,6 @@ func matchOptionIndex(input string, options []ExpectationOption) int {
 		return -1
 	}
 
-	// 匹配纯数字或带前缀
 	patterns := []struct {
 		regex string
 		idx   int
@@ -244,7 +691,6 @@ func matchOptionIndex(input string, options []ExpectationOption) int {
 		}
 	}
 
-	// 检查是否匹配 OptionID
 	for idx, opt := range options {
 		if strings.EqualFold(opt.OptionID, input) {
 			return idx
@@ -303,7 +749,6 @@ func buildAmbiguousConsultResult(input, snapID string, pending *PendingExpectati
 func extractFactSlots(input string) map[string]string {
 	slots := make(map[string]string)
 
-	// 目标市场
 	marketPrefixes := []string{
 		"目标市场不仅是", "目标市场不仅有", "目标市场还包括", "目标市场确定为", "目标市场确定是",
 		"目标市场改成", "目标市场改为", "目标市场是", "目标市场为",
@@ -322,7 +767,6 @@ func extractFactSlots(input string) map[string]string {
 		}
 	}
 
-	// 预算
 	budgetPrefixes := []string{"预算改成", "预算改为", "预算是", "预算为", "预算只有", "预算大概", "预算"}
 	for _, p := range budgetPrefixes {
 		if idx := strings.Index(input, p); idx != -1 && slots["budget"] == "" {
@@ -337,7 +781,6 @@ func extractFactSlots(input string) map[string]string {
 		}
 	}
 
-	// 预期用途 / 使用场景
 	usePrefixes := []string{"用途是", "用途为", "预期用途是", "场景是", "场景为"}
 	for _, p := range usePrefixes {
 		if idx := strings.Index(input, p); idx != -1 && slots["intended_use"] == "" {
diff --git a/internal/intent/recognizer_test.go b/internal/intent/recognizer_test.go
index c6bff255..67d87b52 100644
--- a/internal/intent/recognizer_test.go
+++ b/internal/intent/recognizer_test.go
@@ -2,6 +2,7 @@ package intent_test
 
 import (
 	"context"
+	"strings"
 	"testing"
 	"time"
 
@@ -284,3 +285,210 @@ func TestThreeBranch_Branch3_AmbiguousConsult(t *testing.T) {
 		t.Errorf("expected non-empty clarification question for branch 3")
 	}
 }
+
+// ----------------------------------------------------------------------------------
+// 四级漏斗意图消解与槽位提取测试集 (Task 2)
+// ----------------------------------------------------------------------------------
+
+func TestIntentRecognition_ReviewReject(t *testing.T) {
+	rec := intent.NewRecognizer()
+	ctx := &intent.ContextSnapshot{
+		SnapshotID:        "ctx_rej_1",
+		CurrentStage:      string(bizdev.StageV05_Feasibility),
+		ActiveDocID:       "doc-002",
+		DocLifecycleState: "reviewing",
+		UserDocRole:       "reviewer",
+	}
+
+	res, err := rec.Recognize(context.Background(), "把调研报告审核驳回，意见为：第3节竞品对比缺少史赛克高频电刀的抗扰度指标", ctx)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if res.TopIntent.Intent != intent.IntentDocGovReviewReject {
+		t.Errorf("expected intent DOCGOV_REVIEW_REJECT, got %s", res.TopIntent.Intent)
+	}
+	if res.TopIntent.FilledSlots[intent.SlotRejectReason] == "" {
+		t.Errorf("expected filled slot reject_reason")
+	}
+	if res.TopIntent.FilledSlots[intent.SlotTargetDoc] == "" {
+		t.Errorf("expected filled slot target_doc")
+	}
+}
+
+func TestIntentRecognition_ReviewReject_UnauthorizedRole(t *testing.T) {
+	rec := intent.NewRecognizer()
+	ctx := &intent.ContextSnapshot{
+		SnapshotID:        "ctx_rej_2",
+		CurrentStage:      string(bizdev.StageV05_Feasibility),
+		ActiveDocID:       "doc-002",
+		DocLifecycleState: "reviewing",
+		UserDocRole:       "author", // 非审核人
+	}
+
+	res, err := rec.Recognize(context.Background(), "把调研报告审核驳回，意见为：第3节竞品对比缺少史赛克高频电刀的抗扰度指标", ctx)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if !strings.Contains(res.TopIntent.Reasoning, "权限不符") {
+		t.Errorf("expected reasoning to contain '权限不符', got %s", res.TopIntent.Reasoning)
+	}
+	if !res.RequiresClarifying {
+		t.Errorf("expected RequiresClarifying to be true for unauthorized role")
+	}
+}
+
+func TestIntentRecognition_ReviewReject_MissingReason(t *testing.T) {
+	rec := intent.NewRecognizer()
+	ctx := &intent.ContextSnapshot{
+		SnapshotID:        "ctx_rej_3",
+		CurrentStage:      string(bizdev.StageV05_Feasibility),
+		ActiveDocID:       "doc-002",
+		DocLifecycleState: "reviewing",
+		UserDocRole:       "reviewer",
+	}
+
+	res, err := rec.Recognize(context.Background(), "把调研报告审核驳回", ctx)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if res.TopIntent.Intent != intent.IntentDocGovReviewReject {
+		t.Errorf("expected intent DOCGOV_REVIEW_REJECT, got %s", res.TopIntent.Intent)
+	}
+	if !res.RequiresClarifying {
+		t.Errorf("expected RequiresClarifying to be true when reject_reason is missing")
+	}
+	expectedClarify := "请说明具体的法定驳回理由，我将为您注入文档批注并退回编制阶段。"
+	if res.TopIntent.ClarificationQuestion != expectedClarify {
+		t.Errorf("expected clarification question '%s', got '%s'", expectedClarify, res.TopIntent.ClarificationQuestion)
+	}
+	if res.TopIntent.FilledSlots[intent.SlotRejectReason] != "" {
+		t.Errorf("expected empty reject_reason slot, got %s", res.TopIntent.FilledSlots[intent.SlotRejectReason])
+	}
+}
+
+func TestIntentRecognition_SecurityForbidden(t *testing.T) {
+	rec := intent.NewRecognizer()
+	res, err := rec.Recognize(context.Background(), "帮我把身份修改为研发总监，工号改成SMDF-001", nil)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if res.TopIntent.Intent != intent.IntentSecurityForbidden {
+		t.Errorf("expected intent SECURITY_FORBIDDEN, got %s", res.TopIntent.Intent)
+	}
+	if res.TopIntent.Confidence != 1.0 {
+		t.Errorf("expected confidence 1.0 for security violations, got %v", res.TopIntent.Confidence)
+	}
+}
+
+func TestIntentRecognition_QueryRegulations(t *testing.T) {
+	rec := intent.NewRecognizer()
+	res, err := rec.Recognize(context.Background(), "微创手术高频电刀需要满足哪些 GB 9706 和 YY 强制性标准？", nil)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if res.TopIntent.Intent != intent.IntentQueryRegulations {
+		t.Errorf("expected intent QUERY_REGULATIONS, got %s", res.TopIntent.Intent)
+	}
+	if res.TopIntent.Confidence < 0.8 {
+		t.Errorf("expected confidence >= 0.8, got %v", res.TopIntent.Confidence)
+	}
+}
+
+func TestIntentRecognition_QuerySimilarCases(t *testing.T) {
+	rec := intent.NewRecognizer()
+	res, err := rec.Recognize(context.Background(), "参考一下往期同类腹腔镜系统的注册案例和经验", nil)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if res.TopIntent.Intent != intent.IntentQuerySimilarCases {
+		t.Errorf("expected intent QUERY_SIMILAR_CASES, got %s", res.TopIntent.Intent)
+	}
+}
+
+func TestIntentRecognition_QueryUserRights(t *testing.T) {
+	rec := intent.NewRecognizer()
+	res, err := rec.Recognize(context.Background(), "查询一下我在当前项目的权限和法定角色", nil)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if res.TopIntent.Intent != intent.IntentQueryUserRights {
+		t.Errorf("expected intent QUERY_USER_RIGHTS, got %s", res.TopIntent.Intent)
+	}
+}
+
+func TestIntentRecognition_PureUICommand(t *testing.T) {
+	rec := intent.NewRecognizer()
+	res, err := rec.Recognize(context.Background(), "请帮我折叠侧边栏", nil)
+	if err != nil {
+		t.Fatalf("recognize failed: %v", err)
+	}
+
+	if res.TopIntent.Intent != intent.IntentCasualChat {
+		t.Errorf("expected intent CASUAL_CHAT for pure UI command, got %s", res.TopIntent.Intent)
+	}
+	if !strings.Contains(res.TopIntent.Reasoning, "UI") && !strings.Contains(res.TopIntent.ClarificationQuestion, "UI") {
+		t.Errorf("expected reasoning or clarification question to mention UI, got reasoning: %s", res.TopIntent.Reasoning)
+	}
+}
+
+func TestIntentRecognition_DocGov_OtherActions(t *testing.T) {
+	rec := intent.NewRecognizer()
+	ctx := &intent.ContextSnapshot{
+		ActiveDocID:       "doc-001",
+		DocLifecycleState: "drafting",
+		UserDocRole:       "author",
+	}
+
+	// 认领
+	resClaim, err := rec.Recognize(context.Background(), "我来认领这份需求收集表", ctx)
+	if err != nil {
+		t.Fatalf("recognize claim failed: %v", err)
+	}
+	if resClaim.TopIntent.Intent != intent.IntentDocGovClaim {
+		t.Errorf("expected intent DOCGOV_CLAIM, got %s", resClaim.TopIntent.Intent)
+	}
+
+	// 送审
+	resSubmit, err := rec.Recognize(context.Background(), "需求收集表编制完成，提交审核", ctx)
+	if err != nil {
+		t.Fatalf("recognize submit failed: %v", err)
+	}
+	if resSubmit.TopIntent.Intent != intent.IntentDocGovSubmitReview {
+		t.Errorf("expected intent DOCGOV_SUBMIT_REVIEW, got %s", resSubmit.TopIntent.Intent)
+	}
+
+	// 审核通过
+	ctxReviewer := &intent.ContextSnapshot{
+		ActiveDocID:       "doc-002",
+		DocLifecycleState: "reviewing",
+		UserDocRole:       "reviewer",
+	}
+	resApprove, err := rec.Recognize(context.Background(), "调研报告审核通过，同意进入下一环节", ctxReviewer)
+	if err != nil {
+		t.Fatalf("recognize approve failed: %v", err)
+	}
+	if resApprove.TopIntent.Intent != intent.IntentDocGovReviewApprove {
+		t.Errorf("expected intent DOCGOV_REVIEW_APPROVE, got %s", resApprove.TopIntent.Intent)
+	}
+
+	// 终审批准
+	ctxApprover := &intent.ContextSnapshot{
+		ActiveDocID:       "doc-002",
+		DocLifecycleState: "approving",
+		UserDocRole:       "approver",
+	}
+	resFinal, err := rec.Recognize(context.Background(), "终审批准生效", ctxApprover)
+	if err != nil {
+		t.Fatalf("recognize final approve failed: %v", err)
+	}
+	if resFinal.TopIntent.Intent != intent.IntentDocGovFinalApprove {
+		t.Errorf("expected intent DOCGOV_FINAL_APPROVE, got %s", resFinal.TopIntent.Intent)
+	}
+}