Agent-System-Backend/internal/runtime/mock.go

package runtime

import (
	"fmt"
	"strings"
	"time"

	"agent-system-backend/internal/docgen"
	"agent-system-backend/internal/squadadapter"
	"agent-system-backend/internal/wfcompile"
	"agent-system-backend/internal/workflow"
	core "agent-system-core"
)

func firstNonEmpty0(vals ...string) string {
	for _, v := range vals {
		if strings.TrimSpace(v) != "" {
			return v
		}
	}
	return ""
}

// MockRunner 按脚本回放事件流（P1 骨架闭环与验收基线；不调用任何模型）。
// 用户消息中的指令词触发不同演示路径，其余走默认脚本（思考→工具→回复）。
type MockRunner struct{}

func (m *MockRunner) Name() string { return "mock" }

func (m *MockRunner) Execute(rc RunCtx) error {
	// 取最后一条用户消息文本
	user := ""
	if hist := rc.History(); len(hist) > 0 {
		last := hist[len(hist)-1]
		if last.Role == core.RoleUser {
			for _, p := range last.Parts {
				if p.Type == core.PartText {
					user = p.Text
				}
			}
		}
	}

	var parts []core.Part
	addText := func(t string) {
		parts = append(parts, core.Part{Type: core.PartText, Text: t})
	}
	// mock 路径同样产出上下文观测（演示可解释性入口；真实路径由 ctxasm 产出）。
	rc.SetContextObservation(core.ContextObservation{
		Items:    []string{"system(画像)", "history(mock)", "attachments(0)"},
		EstChars: len(user) + 128,
	})

	switch {
	case strings.Contains(user, "#hitl"):
		resp, err := rc.AskHITL(core.HITLCard{
			Question: "演示：采用哪种输出格式？", Kind: core.HITLKindChoice,
			Choices: []core.HITLChoice{
				{ID: "md", Label: "Markdown 文档", Description: "可版本管理的轻量文档", Impact: "写入 artifacts，可在右栏查看与继续编辑", Recommended: true},
				{ID: "docx", Label: "Word 文档", Description: "正式交付格式", Impact: "生成 docx 工件，后续修订走版本对比"},
				{ID: "both", Label: "两种都要", Description: "同时产出", Impact: "生成两个工件"},
			},
			AllowFreeInput: true, FreeInputHint: "也可以直接输入你的要求（输入 / 开头则转新命令）",
		})
		if err != nil {
			return err
		}
		answer := resp.FreeText
		if resp.ChoiceID != "" {
			answer = "选项 " + resp.ChoiceID
		}
		parts = append(parts, core.Part{Type: core.PartHITL, Hitl: &core.HITLSummary{Question: "演示：采用哪种输出格式？", Resolved: true, Answer: answer}})
		addText(fmt.Sprintf("收到你的回答：%s。已按该选择继续执行。", answer))

	case strings.Contains(user, "#agents"):
		rc.UpdatePlan(core.PlanSnapshot{Title: "多代理演示计划", Steps: []core.PlanStep{
			{ID: "s1", Text: "检索资料", Status: "in_progress"},
			{ID: "s2", Text: "撰写摘要", Status: "pending"},
			{ID: "s3", Text: "汇总输出", Status: "pending"},
		}})
		rc.UpdateTodos(core.TodoList{Items: []core.TodoItem{
			{ID: "t1", Text: "派生两个子代理", Status: "in_progress"},
			{ID: "t2", Text: "等待结果", Status: "pending"},
		}})
		rc.Emit(core.EvThinkingDelta, core.ThinkingDeltaPayload{Index: 0, Text: "任务需要并行检索，派生子代理……"})
		parts = append(parts, core.Part{Type: core.PartThinking, Text: "任务需要并行检索，派生子代理……", Process: true})
		r1, _ := rc.SpawnSubagent("资料检索员", "检索项目知识与历史会话", "知识检索")
		r2, _ := rc.SpawnSubagent("撰稿员", "根据检索结果撰写摘要", "写作")
		rc.UpdateTodos(core.TodoList{Items: []core.TodoItem{
			{ID: "t1", Text: "派生两个子代理", Status: "done"},
			{ID: "t2", Text: "等待结果", Status: "done"},
		}})
		rc.UpdatePlan(core.PlanSnapshot{Title: "多代理演示计划", Steps: []core.PlanStep{
			{ID: "s1", Text: "检索资料", Status: "done"},
			{ID: "s2", Text: "撰写摘要", Status: "done"},
			{ID: "s3", Text: "汇总输出", Status: "in_progress"},
		}})
		addText(fmt.Sprintf("两个子代理已完成：%s（%s）；%s（%s）。可在右栏 Agents 标签查看任务树与中间过程。",
			r1.Summary, r1.Status, r2.Summary, r2.Status))
		rc.UpdatePlan(core.PlanSnapshot{Title: "多代理演示计划", Steps: []core.PlanStep{
			{ID: "s1", Text: "检索资料", Status: "done"},
			{ID: "s2", Text: "撰写摘要", Status: "done"},
			{ID: "s3", Text: "汇总输出", Status: "done"},
		}})

	case strings.Contains(user, "#upload"):
		// 收件箱卡片流演示（提案 T2）：摄取卡生命周期 + 冲突对比卡（待处理）。
		addText("📎 已上传 临床前动物试验方案-草案.pdf（演示）——上传即构建记忆：先给相关性结论，解析进度在右栏卡片。")
		card, _ := rc.CreateCard(core.ActivityCard{Kind: core.CardKindProgress, Title: "临床前动物试验方案-草案.pdf", Status: core.CardActive, Tone: "info",
			Body: []core.UINode{{Type: core.UIProgress, Progress: &core.UIProgressSpec{Label: "解析中", Value: 0.25}}}})
		rc.Emit(core.EvThinkingDelta, core.ThinkingDeltaPayload{Index: 0, Text: "记忆构建管道：相关性 ✓（命中：试验样本量、随访周期）→ 拆解 → 打标签 → 切片入库……"})
		parts = append(parts, core.Part{Type: core.PartThinking, Text: "记忆构建管道：相关性 ✓ → 拆解 → 打标签 → 切片入库", Process: true})
		card.Body = []core.UINode{
			{Type: core.UIProgress, Progress: &core.UIProgressSpec{Label: "切片 24/24", Value: 1, Tone: "ok"}},
			{Type: core.UIKV, KV: [][2]string{{"快通道", "✓ 38s"}, {"慢通道", "✓ 3m12s"}, {"追溯候选边", "6 条"}}},
			{Type: core.UIList, Title: "标签", Items: []string{"验证确认（跨阶段引用）", "technical ×1", "regulatory ×1"}},
		}
		card.Status = core.CardDone
		card.Tone = "ok"
		_ = rc.SetCardStatus(card.ID, core.CardDone, "ok", "")
		_ = rc.Emit(core.EvCardUpdated, core.CardPayload{Card: card})
		cmp, _ := rc.CreateCard(core.ActivityCard{Kind: core.CardKindCompare, Title: "项目执行周期不一致 · 目标已基线", Status: core.CardActionRequired, Tone: "danger",
			Body: []core.UINode{{Type: core.UICompare, Compare: &core.UICompareSpec{
				Left:  core.UICompareSide{Title: "基线 V1.2 · 已评审", Tone: "danger", Nodes: []core.UINode{{Type: core.UIMarkdown, Markdown: "12 个月（立项到注册）"}}},
				Right: core.UICompareSide{Title: "新资料 · 待确认", Tone: "ok", Nodes: []core.UINode{{Type: core.UIMarkdown, Markdown: "18 个月（含临床试验）"}}},
			}}},
			Actions: []core.UIAction{{ID: "escalate", Label: "发起变更流程", Style: "primary"}, {ID: "keep", Label: "维持原样", Style: "danger"}},
		})
		parts = append(parts, core.Part{Type: core.PartCard, Card: &core.CardPart{Kind: "cardlink", Data: []core.UINode{{Type: core.UIMarkdown, Markdown: fmt.Sprintf("↗ 解析完成见卡片；冲突处理卡 `card:%s` 已进右栏收件箱（待处理）", cmp.ID)}}}})

	case strings.Contains(user, "#cardflow"):
		// 卡流机制演示（CF1/D39）：产物卡显式路由——中栏结论摘要 + 引用锚点，全文进收件箱。
		rc.Emit(core.EvThinkingDelta, core.ThinkingDeltaPayload{Index: 0, Text: "生成会议纪要……"})
		parts = append(parts, core.Part{Type: core.PartThinking, Text: "生成会议纪要……", Process: true})
		body := "# 会议纪要（演示）\n\n## 决议\n\n1. 注册路径走 FDA 510(k)\n2. 样机 B 版冻结\n3. 供应商切换延后一轮\n\n## 待办\n\n- 法规组输出对比表\n- 结构组更新 BOM\n"
		card, _ := rc.SubmitCard(core.ActivityCard{
			Kind: core.CardKindResult, Title: "会议纪要 · 第 12 次周会", Status: core.CardDone, Tone: "ok",
			Body: []core.UINode{
				{Type: core.UIMarkdown, Markdown: body},
				{Type: core.UIKV, KV: [][2]string{{"摘要", "三项决议、两项待办；注册路径定为 510(k)"}}},
			},
		})
		addText("已完成会议纪要：三项决议、两项待办，注册路径定为 510(k)。全文见右侧卡片，可在收件箱置顶或收纳。")
		parts = append(parts, core.Part{Type: core.PartCard, Card: &core.CardPart{Kind: string(core.CardKindResult), CardID: card.ID}})

	case strings.Contains(user, "#cardstream"):
		// 流式产卡演示（CF-S/D44-D45）：card_begin → append×N → card_commit，
		// 期间收件箱可见 active 卡随 card.updated 增量刷新。
		rc.Emit(core.EvThinkingDelta, core.ThinkingDeltaPayload{Index: 0, Text: "流式生成周报……"})
		parts = append(parts, core.Part{Type: core.PartThinking, Text: "流式生成周报……", Process: true})
		if _, err := rc.BeginStreamCard(core.ActivityCard{
			Kind: core.CardKindResult, Title: "项目周报 · 流式", Tone: "ok",
			Body: []core.UINode{{Type: core.UIKV, KV: [][2]string{{"摘要", "三段式流式产卡演示：进展 / 风险 / 下周"}}}},
		}); err != nil {
			addText("收件箱未启用或流式卡开始失败（" + err.Error() + "），内容直接写在对话中。")
		} else {
			for _, seg := range []string{
				"## 进展\n\n- 卡流三段式工具上线\n- 组合验证全绿\n",
				"## 风险\n\n- Gitea 主机偶发中断（重试可恢复）\n",
				"## 下周\n\n- artifact 统一（CF-A）\n- 跨会话收件箱（CF3）\n",
			} {
				if aerr := rc.AppendStreamCard(seg); aerr != nil {
					break
				}
			}
			if done, cerr := rc.CommitStreamCard(); cerr == nil {
				addText("周报已流式生成完毕，全文见右侧卡片。")
				parts = append(parts, core.Part{Type: core.PartCard, Card: &core.CardPart{Kind: string(core.CardKindResult), CardID: done.ID}})
			} else {
				addText("周报流式收尾失败：" + cerr.Error())
			}
		}

	case strings.Contains(user, "#doc"):
		rc.Emit(core.EvThinkingDelta, core.ThinkingDeltaPayload{Index: 0, Text: "准备生成文档……"})
		parts = append(parts, core.Part{Type: core.PartThinking, Text: "准备生成文档……", Process: true})
		// 普通工作区演示与真实 Agent 路径共用 canonical renderer。Markdown 先落
		// 工件，再保存 DOCX、manifest 和带哈希清单的完整归档。
		md := "# 演示会议纪要\n\n这是 mock runner 生成的示例 Word 工件。\n\n## 基本信息\n\n| 项目 | 内容 |\n|---|---|\n| 指令 | #doc |\n| 生成器 | docgen |\n\n## 要点\n\n1. 由 #doc 指令触发\n2. 带 Word 排版（标题/表格/编号列表）\n3. 对话内以交付物卡片呈现，点击右栏预览\n"
		run := rc.Run()
		frozenAt := run.CreatedAt.UTC()
		if frozenAt.IsZero() {
			frozenAt = time.Date(2026, 10, 15, 12, 0, 0, 0, time.UTC)
		}
		requester := string(run.Owner)
		if requester == "" {
			requester = "mock-runner"
		}
		delivery, derr := docgen.Generate(rc.Context(), docgen.Request{
			DocumentID: "mock-demo-minutes", Title: "demo-会议纪要", DocumentType: "general", Language: "zh-CN",
			Markdown: []byte(md), Mode: "preview", FrozenAt: frozenAt, RequestedBy: requester,
		})
		if derr != nil {
			addText("演示文档生成失败：" + derr.Error())
			break
		}
		var written []core.Artifact
		for _, item := range []docgen.Artifact{delivery.Markdown, delivery.DOCX, delivery.Manifest, delivery.Archive} {
			kind := "document"
			if item.MIME == "application/json" {
				kind = "data"
			}
			art, err := rc.WriteArtifact(item.Name, kind, item.MIME, item.Bytes)
			if err != nil {
				addText("演示文档工件保存失败：" + err.Error())
				break
			}
			written = append(written, art)
		}
		if len(written) == 4 {
			art := written[len(written)-1]
			addText("Markdown、Word、渲染清单和完整归档已生成；清单列出可复核 SHA-256。点击下方交付卡片下载归档，或在工件面板查看单项。")
			// 交付物钉尾（内容部件，与 llm.go 契约一致）：卡片在最终正文之后。
			parts = append(parts, core.Part{Type: core.PartArtifactRef, Artifact: &core.ArtifactRef{ArtifactID: art.ID, Name: art.Name, Kind: art.Kind}})
			// 工件门面卡演示（CF-A/D47）：registry 工具大结果的统一呈现——
			// 摘要 + 来源 kv + doc-ref（正文权威在工件）；收件箱关闭时 SubmitCard
			// 返回空 ID，跳过卡部件。
			if fc, ferr := rc.SubmitCard(artifactFacadeCard("render_document", art, "演示文档包已生成（Markdown + DOCX + manifest）")); ferr == nil && fc.ID != "" {
				parts = append(parts, core.Part{Type: core.PartCard, Card: &core.CardPart{Kind: string(core.CardKindResult), CardID: fc.ID}})
			}
		}

	case strings.Contains(user, "#squad"):
		rc.Emit(core.EvThinkingDelta, core.ThinkingDeltaPayload{Index: 0, Text: "调用 Agent-Squad 引擎编排……"})
		parts = append(parts, core.Part{Type: core.PartThinking, Text: "调用 Agent-Squad 引擎编排……", Process: true})
		goal := strings.TrimSpace(strings.ReplaceAll(strings.ReplaceAll(user, "#squad", ""), "#hitl", ""))
		if eff := rc.Settings(); !eff.GetBool("runtime.squad", true) {
			addText("小队编排已被设置禁用（runtime.squad）。")
			rc.SetAssistantParts(parts)
			return nil
		}
		dataDir := rc.Settings().GetString("storage.dataDir", "./data")
		summary, err := squadadapter.Orchestrate(rc, dataDir, firstNonEmpty0(goal, "生成一份关于演示目标的简要报告"))
		if err != nil {
			addText("小队编排结束（" + err.Error() + "）。摘要：" + summary)
		} else {
			addText("Agent-Squad 编排完成：" + summary + "。步骤与子代理见右栏「计划」「代理」。")
		}

	case strings.Contains(user, "#workflow"):
		// Q3 WP2：演示工作流同走编译图（纯宿主步，不依赖模型后端）。
		res, err := (CompiledWorkflowRunner{}).runLaunch(rc, workflow.Launch{Def: mockWorkflow()}, wfcompile.RunOptions{})
		if err != nil {
			if res.Summary != "" {
				addText(res.Summary)
			}
			addText("演示工作流没有跑完：" + err.Error())
			break
		}
		parts = append(parts, res.Parts...)

	case strings.Contains(user, "#background"):
		// 慢通道演示（任务快慢双速，SR-B10）：快通道先反馈，后台子代理
		// 进度进收件箱卡片，完成后结果回投该卡并发起汇报回合。
		addText("✅ 快通道：材料已接收，先给结论——这是 mock 演示任务。深度解析已放慢通道后台执行：进度看右栏收件箱卡片，完成后自动回投结果并汇报。")
		if sp, ok := rc.(interface {
			SpawnBackground(agentID, name, task, hint string) (core.ID, error)
		}); ok {
			if _, err := sp.SpawnBackground("agent.sub.general", "深度解析员", "对上传材料逐页解析并生成要点摘要（mock 后台演示）", "演示任务"); err != nil {
				addText("后台启动失败：" + err.Error())
			}
		} else {
			addText("当前运行上下文不支持后台派发（演示不可用）")
		}

	case strings.Contains(user, "#error"):
		return fmt.Errorf("mock: 演示失败路径（#error 指令）")

	default:
		// 默认脚本：思考 → 工具调用（知识检索）→ 回复（流式逐字）。
		rc.Emit(core.EvThinkingDelta, core.ThinkingDeltaPayload{Index: 0, Text: "理解问题，先检索项目知识……"})
		parts = append(parts, core.Part{Type: core.PartThinking, Text: "理解问题，先检索项目知识……", Process: true})
		rc.Emit(core.EvRunPhase, core.RunPhasePayload{Phase: core.PhaseActing})
		callID := "call_mock_1"
		rc.Emit(core.EvToolCall, core.ToolCallPayload{CallID: callID, Name: "knowledge_search", Arguments: `{"query":"` + truncateForJSON(user, 40) + `"}`})
		res := rc.ExecuteTool(core.ToolCallRequest{CallID: callID, Name: "knowledge_search", Arguments: []byte(`{"query":"演示"}`)})
		rc.Emit(core.EvToolResult, core.ToolResultPayload{CallID: callID, Status: res.Status, Summary: truncateForJSON(res.Output, 120), Truncated: res.Truncated})
		parts = append(parts,
			core.Part{Type: core.PartToolCall, Process: true, ToolCall: &core.ToolCallPart{ID: callID, Name: "knowledge_search", Arguments: `{"query":"演示"}`}},
			core.Part{Type: core.PartToolResult, Process: true, ToolResult: &core.ToolResultPart{CallID: callID, Status: res.Status, Summary: truncateForJSON(res.Output, 120)}},
		)
		rc.Emit(core.EvRunPhase, core.RunPhasePayload{Phase: core.PhaseResponding})
		reply := fmt.Sprintf("（mock 回复）你说：%s\n\n这是 mock runner 的脚本化回复——未调用真实模型。可发送 #hitl / #agents / #doc / #workflow / #error 触发对应演示路径。", user)
		idx := 0
		for _, r := range reply {
			rc.Emit(core.EvMessageDelta, core.MessageDeltaPayload{Index: idx, Text: string(r)})
			time.Sleep(8 * time.Millisecond)
		}
		addText(reply)
	}
	rc.SetAssistantParts(parts)
	return nil
}

// MockSubagent 子代理脚本回放：进度事件 + 摘要结果。
type MockSubagent struct{}

func (m *MockSubagent) Name() string { return "mock-subagent" }

func (m *MockSubagent) Execute(rc RunCtx) error {
	rc.Emit(core.EvAgentProgress, core.AgentProgressPayload{AgentRun: rc.Run().ID, Note: "开始子任务……", Phase: core.PhaseThinking})
	time.Sleep(150 * time.Millisecond)
	rc.Emit(core.EvAgentProgress, core.AgentProgressPayload{AgentRun: rc.Run().ID, Note: "处理中……", Phase: core.PhaseActing})
	time.Sleep(150 * time.Millisecond)

	task := rc.Subtask()
	rc.SetAssistantParts([]core.Part{{Type: core.PartText, Text: fmt.Sprintf("# 子代理产出（mock）\n\n任务：%s\n\n- 已按子代理角色完成处理\n- 本文本将作为小队步骤的交付物写入工作区\n- 任务树与中间过程可在右栏与弹窗查看\n", firstNonEmpty0(task, "（未提供任务描述）"))}})
	return nil
}

func mockWorkflow() core.WorkflowDef {
	return core.WorkflowDef{
		ID: "mock.workflow", Title: "演示工作流",
		Steps: []core.WorkflowStep{
			{ID: "length", Title: "篇幅", Kind: "hitl", Hitl: &core.HITLCardTemplate{
				Question: "要多长？", Kind: core.HITLKindChoice, AllowFreeInput: false,
				Choices: []core.HITLChoice{
					{ID: "short", Label: "短", Description: "一段", Impact: "只写一段"},
					{ID: "long", Label: "长", Description: "几段", Impact: "会写得更长"},
				},
			}},
			{ID: "save", Title: "成稿", Kind: "artifact", Artifact: "mock-brief.md", Prompt: "篇幅：{{steps.length.output}}\n{{input}}"},
			{ID: "note", Title: "收件", Kind: "card", Card: &core.ActivityCardTemplate{Kind: core.CardKindResult, Title: "演示工作流完成"}},
		},
	}
}

func truncateForJSON(s string, n int) string {
	r := []rune(s)
	if len(r) <= n {
		return s
	}
	return string(r[:n]) + "…"
}