修复 Web Plan 模式计划内容展示

internal/cli/gateway_runtime_bridge.go

@@ -1847,18 +1847,70 @@ func convertSessionMessages(messages []providertypes.Message) []gateway.SessionM
 	return converted
 }
 
+// convertRuntimePlanTodoItem 将 session 计划中的 legacy todo 项映射为 gateway 展示结构。
+func convertRuntimePlanTodoItem(item agentsession.TodoItem) gateway.PlanTodoItem {
+	required := false
+	if item.Required != nil {
+		required = *item.Required
+	}
+	return gateway.PlanTodoItem{
+		ID:            strings.TrimSpace(item.ID),
+		Content:       strings.TrimSpace(item.Content),
+		Status:        strings.TrimSpace(string(item.Status)),
+		Required:      required,
+		Artifacts:     append([]string(nil), item.Artifacts...),
+		FailureReason: strings.TrimSpace(item.FailureReason),
+		BlockedReason: strings.TrimSpace(string(item.BlockedReason)),
+		Revision:      item.Revision,
+	}
+}
+
+// convertRuntimePlanArtifact 将 runtime 当前计划快照映射为 gateway 公开契约。
+func convertRuntimePlanArtifact(plan *agentsession.PlanArtifact) *gateway.PlanArtifact {
+	if plan == nil {
+		return nil
+	}
+	converted := &gateway.PlanArtifact{
+		ID:       strings.TrimSpace(plan.ID),
+		Revision: plan.Revision,
+		Status:   strings.TrimSpace(string(plan.Status)),
+		Spec: gateway.PlanSpec{
+			Goal:          strings.TrimSpace(plan.Spec.Goal),
+			Steps:         append([]string(nil), plan.Spec.Steps...),
+			Constraints:   append([]string(nil), plan.Spec.Constraints...),
+			OpenQuestions: append([]string(nil), plan.Spec.OpenQuestions...),
+		},
+		Summary: gateway.PlanSummaryView{
+			Goal:          strings.TrimSpace(plan.Summary.Goal),
+			KeySteps:      append([]string(nil), plan.Summary.KeySteps...),
+			Constraints:   append([]string(nil), plan.Summary.Constraints...),
+			ActiveTodoIDs: append([]string(nil), plan.Summary.ActiveTodoIDs...),
+		},
+		CreatedAt: plan.CreatedAt,
+		UpdatedAt: plan.UpdatedAt,
+	}
+	if len(plan.Spec.Todos) > 0 {
+		converted.Spec.Todos = make([]gateway.PlanTodoItem, 0, len(plan.Spec.Todos))
+		for _, item := range plan.Spec.Todos {
+			converted.Spec.Todos = append(converted.Spec.Todos, convertRuntimePlanTodoItem(item))
+		}
+	}
+	return converted
+}
+
 // convertRuntimeSessionToGatewaySession 将 runtime 会话结构映射为 gateway 契约返回值。
 func convertRuntimeSessionToGatewaySession(session agentsession.Session) gateway.Session {
 	return gateway.Session{
-		ID:        strings.TrimSpace(session.ID),
-		Title:     strings.TrimSpace(session.Title),
-		CreatedAt: session.CreatedAt,
-		UpdatedAt: session.UpdatedAt,
-		Workdir:   strings.TrimSpace(session.Workdir),
-		Provider:  strings.TrimSpace(session.Provider),
-		Model:     strings.TrimSpace(session.Model),
-		AgentMode: strings.TrimSpace(string(session.AgentMode)),
-		Messages:  convertSessionMessages(session.Messages),
+		ID:          strings.TrimSpace(session.ID),
+		Title:       strings.TrimSpace(session.Title),
+		CreatedAt:   session.CreatedAt,
+		UpdatedAt:   session.UpdatedAt,
+		Workdir:     strings.TrimSpace(session.Workdir),
+		Provider:    strings.TrimSpace(session.Provider),
+		Model:       strings.TrimSpace(session.Model),
+		AgentMode:   strings.TrimSpace(string(session.AgentMode)),
+		CurrentPlan: convertRuntimePlanArtifact(session.CurrentPlan),
+		Messages:    convertSessionMessages(session.Messages),
 	}
 }
 

internal/cli/gateway_runtime_bridge_test.go

@@ -1471,6 +1471,44 @@ func TestConvertGatewayRunInputAndSessionHelpers(t *testing.T) {
 	}
 }
 
+func TestConvertRuntimeSessionToGatewaySessionIncludesCurrentPlan(t *testing.T) {
+	required := true
+	session := agentsession.New("plan session")
+	session.AgentMode = agentsession.AgentModePlan
+	session.CurrentPlan = &agentsession.PlanArtifact{
+		ID:       "plan-1",
+		Revision: 2,
+		Status:   agentsession.PlanStatusDraft,
+		Spec: agentsession.PlanSpec{
+			Goal:          "修复 web plan 展示",
+			Steps:         []string{"发事件", "渲染卡片"},
+			Constraints:   []string{"不创建执行 todo"},
+			OpenQuestions: []string{"是否需要审批按钮"},
+			Todos: []agentsession.TodoItem{{
+				ID:       "todo-1",
+				Content:  "legacy todo",
+				Status:   agentsession.TodoStatusPending,
+				Required: &required,
+			}},
+		},
+		Summary: agentsession.SummaryView{
+			Goal:     "修复 web plan 展示",
+			KeySteps: []string{"发事件"},
+		},
+	}
+
+	converted := convertRuntimeSessionToGatewaySession(session)
+	if converted.CurrentPlan == nil {
+		t.Fatal("expected current_plan to be present")
+	}
+	if converted.CurrentPlan.ID != "plan-1" || converted.CurrentPlan.Spec.Goal != "修复 web plan 展示" {
+		t.Fatalf("unexpected current_plan: %+v", converted.CurrentPlan)
+	}
+	if len(converted.CurrentPlan.Spec.Todos) != 1 || !converted.CurrentPlan.Spec.Todos[0].Required {
+		t.Fatalf("unexpected plan todos: %+v", converted.CurrentPlan.Spec.Todos)
+	}
+}
+
 func TestGatewayRuntimePortBridgeDeleteSession(t *testing.T) {
 	t.Run("success", func(t *testing.T) {
 		store := &bridgeSessionStoreStub{

internal/context/source_plan_mode.go

@@ -34,7 +34,7 @@ func (planModeContextSource) Sections(ctx context.Context, input BuildInput) ([]
 		if stage == "plan" {
 			noPlanHint := promptSection{
 				Title:   "Current Plan",
-				Content: "status: none\n\nNo current plan exists. You must create one by outputting a `plan_spec` + `summary_candidate` JSON before this turn ends.",
+				Content: "status: none\n\nNo current plan exists. You must create one before this turn ends by outputting a visible Markdown plan, followed by one compact `plan_spec` + `summary_candidate` JSON object inside an HTML comment.",
 			}
 			sections = append(sections, noPlanHint)
 		}

internal/context/source_plan_mode_test.go

@@ -50,6 +50,37 @@ func TestPlanModeSectionsReturnsWithoutPlanWhenNil(t *testing.T) {
 	}
 }
 
+func TestPlanModeSectionsNoCurrentPlanUsesHTMLCommentContract(t *testing.T) {
+	t.Parallel()
+
+	source := planModeContextSource{}
+	sections, err := source.Sections(context.Background(), BuildInput{
+		AgentMode:   agentsession.AgentModePlan,
+		PlanStage:   "plan",
+		CurrentPlan: nil,
+	})
+	if err != nil {
+		t.Fatalf("Sections() error = %v", err)
+	}
+	var currentPlanContent string
+	for _, section := range sections {
+		if section.Title == "Current Plan" {
+			currentPlanContent = section.Content
+			break
+		}
+	}
+	if currentPlanContent == "" {
+		t.Fatal("expected Current Plan section when plan stage has no current plan")
+	}
+	if !strings.Contains(currentPlanContent, "visible Markdown plan") ||
+		!strings.Contains(currentPlanContent, "inside an HTML comment") {
+		t.Fatalf("Current Plan hint = %q, want Markdown plus HTML comment JSON contract", currentPlanContent)
+	}
+	if strings.Contains(currentPlanContent, "outputting a `plan_spec` + `summary_candidate` JSON") {
+		t.Fatalf("Current Plan hint should not use old JSON-only wording: %q", currentPlanContent)
+	}
+}
+
 func TestPlanModeSectionsContextError(t *testing.T) {
 	t.Parallel()
 

internal/gateway/contracts.go

@@ -680,6 +680,46 @@ type SessionMessage struct {
 	IsError bool `json:"is_error,omitempty"`
 }
 
+// PlanTodoItem 表示计划正文中保留的 legacy todo 项，仅用于展示和兼容读取。
+type PlanTodoItem struct {
+	ID            string   `json:"id"`
+	Content       string   `json:"content"`
+	Status        string   `json:"status,omitempty"`
+	Required      bool     `json:"required,omitempty"`
+	Artifacts     []string `json:"artifacts,omitempty"`
+	FailureReason string   `json:"failure_reason,omitempty"`
+	BlockedReason string   `json:"blocked_reason,omitempty"`
+	Revision      int64    `json:"revision,omitempty"`
+}
+
+// PlanSpec 表示当前完整计划的公开结构。
+type PlanSpec struct {
+	Goal          string         `json:"goal"`
+	Steps         []string       `json:"steps,omitempty"`
+	Constraints   []string       `json:"constraints,omitempty"`
+	Todos         []PlanTodoItem `json:"todos,omitempty"`
+	OpenQuestions []string       `json:"open_questions,omitempty"`
+}
+
+// PlanSummaryView 表示完整计划的紧凑摘要。
+type PlanSummaryView struct {
+	Goal          string   `json:"goal"`
+	KeySteps      []string `json:"key_steps,omitempty"`
+	Constraints   []string `json:"constraints,omitempty"`
+	ActiveTodoIDs []string `json:"active_todo_ids,omitempty"`
+}
+
+// PlanArtifact 表示会话当前计划快照。
+type PlanArtifact struct {
+	ID        string          `json:"id"`
+	Revision  int             `json:"revision"`
+	Status    string          `json:"status"`
+	Spec      PlanSpec        `json:"spec"`
+	Summary   PlanSummaryView `json:"summary"`
+	CreatedAt time.Time       `json:"created_at"`
+	UpdatedAt time.Time       `json:"updated_at"`
+}
+
 // Session 表示网关视角的会话详情。
 type Session struct {
 	// ID 是会话标识。
@@ -698,6 +738,8 @@ type Session struct {
 	Model string `json:"model,omitempty"`
 	// AgentMode 是会话当前 Agent 工作模式。
 	AgentMode string `json:"agent_mode,omitempty"`
+	// CurrentPlan 是会话当前结构化计划快照。
+	CurrentPlan *PlanArtifact `json:"current_plan,omitempty"`
 	// Messages 是会话消息快照。
 	Messages []SessionMessage `json:"messages,omitempty"`
 }

internal/promptasset/assets_test.go

@@ -94,6 +94,12 @@ func TestPlanModePromptTemplates(t *testing.T) {
 		strings.Contains(PlanModePrompt("plan"), "must not be empty") {
 		t.Fatalf("expected plan prompt not to require execution todo ownership")
 	}
+	if strings.Contains(PlanModePrompt("plan"), "Only output a JSON object") {
+		t.Fatalf("expected plan prompt not to require JSON-only output")
+	}
+	if !strings.Contains(PlanModePrompt("plan"), "inside an HTML comment") {
+		t.Fatalf("expected plan prompt to require machine-readable JSON in an HTML comment")
+	}
 	if !strings.Contains(PlanModePrompt("plan"), "Do not create execution todos in plan mode") {
 		t.Fatalf("expected plan prompt to keep todos in build execution")
 	}

internal/promptasset/templates/context/plan_mode_plan.md

@@ -3,9 +3,9 @@ You are currently in the planning stage.
 - You may research, analyze, ask clarifying questions, and produce a plan.
 - Do not perform any write action in this stage.
 - Do not rewrite the current full plan unless the conversation clearly requires creating or replacing the plan itself.
-- **If no Current Plan section is attached, your first priority is to produce a plan.** The user has entered planning mode expecting a structured plan. Research the codebase as needed, then output a complete `plan_spec` + `summary_candidate` JSON. Do not end the turn with only a conversational answer when there is no existing plan.
+- **If no Current Plan section is attached, your first priority is to produce a plan.** The user has entered planning mode expecting a structured plan. Research the codebase as needed, then output a visible Markdown plan followed by one compact machine-readable JSON object containing `plan_spec` and `summary_candidate` inside an HTML comment. Do not end the turn with only a conversational answer when there is no existing plan.
 - If a Current Plan is already present, you may refine, replace, or discuss it. When the user asks a clarifying question or wants to explore options without committing to a new plan revision, you may answer conversationally without outputting planning JSON.
-- Only output a JSON object containing `plan_spec` and `summary_candidate` when you are explicitly creating or rewriting the current full plan.
+- When explicitly creating or rewriting the current full plan, output the visible plan as Markdown first, then append the machine-readable JSON inside an HTML comment, not in a fenced code block.
 - `plan_spec` must include `goal`, `steps`, `constraints`, and `open_questions`.
 - `plan_spec.todos` is optional legacy data. Do not create execution todos in plan mode; build mode will create and maintain runtime todos when implementation starts.
 - `summary_candidate` must include `goal`, `key_steps`, and `constraints`.

internal/runtime/events.go

@@ -5,6 +5,7 @@ import (
 
 	"neo-code/internal/runtime/acceptgate"
 	"neo-code/internal/runtime/controlplane"
+	agentsession "neo-code/internal/session"
 )
 
 // EventType 标识 runtime 事件类型。
@@ -101,6 +102,12 @@ type AcceptanceDecidedPayload struct {
 	Results      []acceptgate.CheckResult `json:"results,omitempty"`
 }
 
+// PlanUpdatedPayload 描述 plan 模式生成或改写后的结构化计划快照。
+type PlanUpdatedPayload struct {
+	CurrentPlan *agentsession.PlanArtifact `json:"current_plan"`
+	DisplayText string                     `json:"display_text,omitempty"`
+}
+
 // LedgerReconciledPayload 为账本对账预留负载。
 type LedgerReconciledPayload struct {
 	AttemptSeq      int    `json:"attempt_seq"`
@@ -320,6 +327,8 @@ const (
 	EventThinkingDelta EventType = "thinking_delta"
 	// EventAgentDone 表示 assistant 正常结束。
 	EventAgentDone EventType = "agent_done"
+	// EventPlanUpdated 表示当前结构化计划已生成或更新。
+	EventPlanUpdated EventType = "plan_updated"
 	// EventToolStart 表示工具开始执行。
 	EventToolStart EventType = "tool_start"
 	// EventToolResult 表示工具执行完成并写回会话。

internal/runtime/planning.go

@@ -174,8 +174,9 @@ func decodePlanTurnOutput(jsonText string) (planTurnOutput, error) {
 
 // stripPlanningJSONObjectText 从原始回复中移除结构化 JSON，并尽量保留自然段落间距。
 func stripPlanningJSONObjectText(text string, candidate extractedPlanningJSONObject) string {
-	before := strings.TrimSpace(text[:candidate.Start])
-	after := strings.TrimSpace(text[candidate.End:])
+	start, end := planningJSONObjectRemovalRange(text, candidate)
+	before := strings.TrimSpace(text[:start])
+	after := strings.TrimSpace(text[end:])
 	switch {
 	case before == "":
 		return after
@@ -186,6 +187,28 @@ func stripPlanningJSONObjectText(text string, candidate extractedPlanningJSONObj
 	}
 }
 
+// planningJSONObjectRemovalRange 扩展结构化 JSON 的剥离范围，避免 HTML 注释外壳泄漏到可见计划正文。
+func planningJSONObjectRemovalRange(text string, candidate extractedPlanningJSONObject) (int, int) {
+	start := candidate.Start
+	end := candidate.End
+	if start < 0 || end < start || end > len(text) {
+		return candidate.Start, candidate.End
+	}
+
+	prefix := text[:start]
+	open := strings.LastIndex(prefix, "<!--")
+	if open < 0 || strings.TrimSpace(prefix[open+len("<!--"):]) != "" {
+		return start, end
+	}
+
+	suffix := text[end:]
+	closeOffset := strings.Index(suffix, "-->")
+	if closeOffset < 0 || strings.TrimSpace(suffix[:closeOffset]) != "" {
+		return start, end
+	}
+	return open, end + closeOffset + len("-->")
+}
+
 // extractPlanningJSONObjectIfPresent 在文本中提取首个满足指定顶层键契约的 JSON 对象。
 func extractPlanningJSONObjectIfPresent(text string, requiredKey string) (extractedPlanningJSONObject, bool) {
 	start := strings.IndexByte(text, '{')
@@ -258,11 +281,43 @@ func buildPlanArtifact(current *agentsession.PlanArtifact, output planTurnOutput
 	return plan, nil
 }
 
-// resolvePlanDisplayText 优先保留模型对计划的额外说明文本，缺失时回退为规范计划正文。
-func resolvePlanDisplayText(output planTurnOutput, spec agentsession.PlanSpec) string {
-	display := strings.TrimSpace(output.DisplayText)
-	if display != "" {
-		return display
+// renderPlanMarkdown 将结构化计划渲染为前端可直接展示的规范 Markdown。
+func renderPlanMarkdown(spec agentsession.PlanSpec) string {
+	spec, err := agentsession.NormalizePlanSpec(spec)
+	if err != nil {
+		return ""
+	}
+	sections := make([]string, 0, 4)
+	sections = append(sections, "### 目标\n\n"+spec.Goal)
+	if len(spec.Steps) > 0 {
+		sections = append(sections, "### 实施步骤\n\n"+renderMarkdownBulletList(spec.Steps))
+	}
+	if len(spec.Constraints) > 0 {
+		sections = append(sections, "### 约束\n\n"+renderMarkdownBulletList(spec.Constraints))
+	}
+	if len(spec.OpenQuestions) > 0 {
+		sections = append(sections, "### 未决问题\n\n"+renderMarkdownBulletList(spec.OpenQuestions))
+	}
+	return strings.TrimSpace(strings.Join(sections, "\n\n"))
+}
+
+// renderMarkdownBulletList 将计划字段中的字符串列表渲染为 Markdown 无序列表。
+func renderMarkdownBulletList(items []string) string {
+	lines := make([]string, 0, len(items))
+	for _, item := range items {
+		trimmed := strings.TrimSpace(item)
+		if trimmed == "" {
+			continue
+		}
+		lines = append(lines, "- "+trimmed)
+	}
+	return strings.Join(lines, "\n")
+}
+
+// resolvePlanDisplayText 在解析出机器可读计划后固定返回规范化计划正文，不保留模型额外说明。
+func resolvePlanDisplayText(_ planTurnOutput, spec agentsession.PlanSpec) string {
+	if markdown := renderPlanMarkdown(spec); markdown != "" {
+		return markdown
 	}
 	return strings.TrimSpace(agentsession.RenderPlanContent(spec))
 }