weichen
0d74ec94dd
Details (original message): Implement the backend: store/bus/runmgr core, mock and LLM runners (agent-native client), HITL three-branch routing, subagent runs, builtin and declarative HTTP tools, ingest parsers (md/txt/docx/pdf-text), knowledge fulltext, layered settings, profiles, plugin host, REST+SSE API, single-binary entrypoint; e2e and unit tests.
533 lines
18 KiB
Go
533 lines
18 KiB
Go
// Package runmgr 是 Run 生命周期枢纽（4.2/4.3）：一切运行皆 Run、一切增量皆事件。
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// 职责：run 状态机、事件持久化+广播（seq 游标）、HITL 挂起/恢复（三分支路由）、
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// 子代理派生（任务树）、工具执行策略（画像三清单 + 确认卡片 + 截断转工件）、取消级联。
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package runmgr
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import (
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"context"
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"fmt"
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"strings"
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"sync"
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"time"
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core "agent-system-core"
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"agent-system-backend/internal/bus"
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"agent-system-backend/internal/profiles"
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"agent-system-backend/internal/runtime"
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"agent-system-backend/internal/settings"
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"agent-system-backend/internal/store"
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"agent-system-backend/internal/tools"
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)
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type Manager struct {
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st *store.Store
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bus *bus.Bus
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registry *tools.Registry
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profiles *profiles.Service
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settings *settings.Service
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runner runtime.Runner // conversation runner（mock 或 LLM）
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subRunner runtime.Runner // subagent runner（LLM 轻任务）
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mock runtime.Runner // 会话脚本回放（演示/测试与 mock 模式）
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mockSub runtime.Runner // 子代理脚本回放
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mu sync.Mutex
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active map[string]*runHandle
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}
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type runHandle struct {
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cancel context.CancelFunc
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hitlCh chan hitlAnswer
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assistant []core.Part
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started time.Time
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}
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type hitlAnswer struct {
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resp core.HITLResponse
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err error
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}
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func New(st *store.Store, b *bus.Bus, reg *tools.Registry, p *profiles.Service, s *settings.Service, runner, subRunner, mockRunner, mockSubRunner runtime.Runner) *Manager {
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return &Manager{st: st, bus: b, registry: reg, profiles: p, settings: s, runner: runner, subRunner: subRunner, mock: mockRunner, mockSub: mockSubRunner, active: map[string]*runHandle{}}
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}
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// ---- runCtx 实现（runtime.RunCtx）----
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type runCtx struct {
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mgr *Manager
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run core.Run
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prof core.AgentProfile
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eff core.EffectiveSettings
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ctx context.Context
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h *runHandle
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userMessage core.Message
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attachments []core.ParsedDocument
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subTask string
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subHint string
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}
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func (c *runCtx) Context() context.Context { return c.ctx }
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func (c *runCtx) Run() core.Run { return c.run }
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func (c *runCtx) Profile() core.AgentProfile { return c.prof }
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func (c *runCtx) Settings() core.EffectiveSettings { return c.eff }
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func (c *runCtx) History() []core.Message {
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hist, _ := c.mgr.st.LastMessages(c.run.ConversationID, 200)
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return hist
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}
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func (c *runCtx) Attachments() []core.ParsedDocument { return c.attachments }
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func (c *runCtx) Subtask() string { return c.subTask }
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func (c *runCtx) Tools() []core.ToolDesc { return c.mgr.registry.List() }
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func (c *runCtx) Emit(typ core.StreamEventType, payload any) error {
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_, err := c.mgr.emit(c.run.ConversationID, c.run.ID, typ, payload)
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return err
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}
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func (c *runCtx) SetAssistantParts(parts []core.Part) error {
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c.mgr.mu.Lock()
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c.h.assistant = parts
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c.mgr.mu.Unlock()
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return nil
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}
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func (c *runCtx) AskHITL(card core.HITLCard) (core.HITLResponse, error) {
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card.ID = store.NewID("hitl")
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card.RunID = c.run.ID
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card.ConversationID = c.run.ConversationID
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if card.CreatedAt == "" {
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card.CreatedAt = time.Now().UTC().Format(time.RFC3339)
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}
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if err := c.mgr.st.SaveHITLCard(&card); err != nil {
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return core.HITLResponse{}, err
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}
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c.mgr.setRunStatus(&c.run, core.RunWaitingHITL, c.run.Phase)
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if _, err := c.mgr.emit(c.run.ConversationID, c.run.ID, core.EvHITLRequest, card); err != nil {
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return core.HITLResponse{}, err
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}
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select {
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case ans := <-c.h.hitlCh:
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return ans.resp, ans.err
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case <-c.ctx.Done():
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return core.HITLResponse{}, c.ctx.Err()
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}
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}
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func (c *runCtx) SpawnSubagent(name, task, hint string) (core.AgentResultPayload, error) {
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return c.mgr.spawnSubagent(c.ctx, c.run, name, task, hint)
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}
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func (c *runCtx) UpdatePlan(p core.PlanSnapshot) error {
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p.PlanID = c.run.ConversationID
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if err := c.mgr.st.SavePlan(c.run.ConversationID, p); err != nil {
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return err
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}
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_, err := c.mgr.emit(c.run.ConversationID, c.run.ID, core.EvPlanUpdate, core.PlanUpdatePayload{Plan: p})
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return err
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}
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func (c *runCtx) UpdateTodos(l core.TodoList) error {
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l.ConversationID = c.run.ConversationID
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if err := c.mgr.st.SaveTodos(c.run.ConversationID, l); err != nil {
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return err
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}
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_, err := c.mgr.emit(c.run.ConversationID, c.run.ID, core.EvTodoUpdate, core.TodoUpdatePayload{List: l})
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return err
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}
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func (c *runCtx) WriteArtifact(name, kind, mime string, content []byte) (core.Artifact, error) {
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art := core.Artifact{ProjectID: c.run.ProjectID, Name: name, Kind: kind, MIME: mime, SourceRun: c.run.ID}
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if err := c.mgr.st.CreateArtifact(&art, content); err != nil {
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return art, err
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}
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if _, err := c.mgr.emit(c.run.ConversationID, c.run.ID, core.EvArtifactCreated, core.ArtifactPayload{Artifact: art}); err != nil {
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return art, err
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}
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// 工件文本进知识索引（全文检索最小实现）。
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if kind == "document" && len(content) < 200000 {
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_ = c.mgr.st.AddKnowledge(core.KnowledgeDoc{ProjectID: c.run.ProjectID, Source: "artifact", Title: name, Ref: art.ID, Chunk: string(content)})
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}
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return art, nil
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}
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func (c *runCtx) Retrieve(q core.RetrievalQuery) ([]core.RetrievalHit, error) {
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if q.TopK <= 0 {
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q.TopK = int(c.eff.GetNumber("retrieval.topK", 5))
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}
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if q.ProjectID == "" {
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q.ProjectID = c.run.ProjectID
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}
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return c.mgr.st.SearchKnowledge(q)
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}
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// ExecuteTool 执行画像策略：deny→错误；confirm→HITL confirm 卡片；执行→截断转工件。
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func (c *runCtx) ExecuteTool(call core.ToolCallRequest) core.ToolCallResult {
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policy := c.prof.Tools
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if !policy.ToolAllowed(call.Name) {
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return core.ToolCallResult{CallID: call.CallID, Status: "error", Output: fmt.Sprintf("tool %q denied by profile policy", call.Name)}
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}
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if policy.NeedsConfirm(call.Name) {
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var argsPreview string
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if len(call.Arguments) > 0 {
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argsPreview = truncate(string(call.Arguments), 600)
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}
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card := core.HITLCard{
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Question: fmt.Sprintf("执行工具 %s？", call.Name), Kind: core.HITLKindConfirm,
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Choices: []core.HITLChoice{
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{ID: "yes", Label: "执行", Description: "按上述参数调用", Impact: "该工具将访问外部资源并返回结果", Recommended: true},
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{ID: "no", Label: "取消", Description: "跳过本次调用", Impact: "模型会收到调用被拒绝的说明"},
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},
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AllowFreeInput: false,
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}
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_ = argsPreview
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resp, err := c.AskHITL(card)
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if err != nil {
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return core.ToolCallResult{CallID: call.CallID, Status: "error", Output: "hitl aborted: " + err.Error()}
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}
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if resp.ChoiceID != "yes" {
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return core.ToolCallResult{CallID: call.CallID, Status: "error", Output: "用户取消了本次工具调用"}
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}
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}
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res := c.mgr.registry.Execute(toolCtx{rc: c}, call)
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// 超长截断并转工件引用（4.10）。
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limit := c.prof.Context.MaxToolResultChars
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if limit <= 0 {
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limit = int(c.eff.GetNumber("context.maxToolResultChars", 20000))
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}
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if res.Status == "ok" && len(res.Output) > limit {
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if art, err := c.WriteArtifact("tool-"+call.Name+"-"+call.CallID+".txt", "data", "text/plain", []byte(res.Output)); err == nil {
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res.Artifact = &art
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res.Output = res.Output[:limit] + "\n…（超长，完整结果已存为工件 " + art.Name + "）"
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} else {
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res.Output = res.Output[:limit] + "…（超长截断，工件写入失败）"
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}
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res.Truncated = true
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}
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return res
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}
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type toolCtx struct{ rc *runCtx }
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func (t toolCtx) ProjectID() string { return t.rc.run.ProjectID }
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func (t toolCtx) ConversationID() string { return t.rc.run.ConversationID }
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func (t toolCtx) Retrieve(q core.RetrievalQuery) ([]core.RetrievalHit, error) { return t.rc.Retrieve(q) }
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func (t toolCtx) WriteArtifact(name, kind, mime string, content []byte) (core.Artifact, error) {
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return t.rc.WriteArtifact(name, kind, mime, content)
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}
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// ---- run 生命周期 ----
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// StartConversationRun 为一条已落库的用户消息启动 conversation run。
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// attachments 为已解析的附件文档（server 层经 ingest 处理）。
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func (m *Manager) StartConversationRun(conv core.Conversation, userMessage core.Message, attachments []core.ParsedDocument) (core.Run, error) {
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prof, _ := m.profiles.Get(conv.ProfileID)
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eff := m.settings.Effective(conv.ProjectID)
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run := core.Run{
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ID: store.NewID("run"), ConversationID: conv.ID, ProjectID: conv.ProjectID,
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Kind: core.RunConversation, ProfileID: prof.ID, Status: core.RunPending, Phase: core.PhaseThinking,
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}
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if err := m.st.CreateRun(&run); err != nil {
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return run, err
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}
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ctx, cancel := context.WithCancel(context.Background())
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h := &runHandle{cancel: cancel, hitlCh: make(chan hitlAnswer, 1), started: time.Now()}
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m.mu.Lock()
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m.active[run.ID] = h
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m.mu.Unlock()
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runner := m.runner
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if eff.GetBool("runtime.mock", false) {
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runner = m.mock
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}
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rc := &runCtx{mgr: m, run: run, prof: prof, eff: eff, ctx: ctx, h: h, userMessage: userMessage, attachments: attachments}
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go m.execute(rc, runner)
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return run, nil
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}
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// execute 运行至终态并收敛：状态、usage、助手消息、收尾事件。
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func (m *Manager) execute(rc *runCtx, runner runtime.Runner) {
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defer func() {
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m.mu.Lock()
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delete(m.active, rc.run.ID)
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m.mu.Unlock()
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}()
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m.setRunStatus(&rc.run, core.RunRunning, core.PhaseThinking)
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m.emit(rc.run.ConversationID, rc.run.ID, core.EvRunPhase, core.RunPhasePayload{Phase: core.PhaseThinking})
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execErr := func() (err error) {
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defer func() {
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if r := recover(); r != nil {
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err = fmt.Errorf("runner panic: %v", r)
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}
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}()
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return runner.Execute(rc)
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}()
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usage := core.Usage{DurationMs: float64(time.Since(rc.h.started).Milliseconds())}
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if execErr != nil {
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if rc.ctx.Err() != nil {
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m.finishRun(rc, core.RunCancelled, usage, &core.ErrorPart{Code: "run.cancelled", Message: "已取消"})
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return
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}
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m.finishRun(rc, core.RunFailed, usage, &core.ErrorPart{Code: "run.failed", Message: execErr.Error()})
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return
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}
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m.finishRun(rc, core.RunCompleted, usage, nil)
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}
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func (m *Manager) finishRun(rc *runCtx, status core.RunStatus, usage core.Usage, errPart *core.ErrorPart) {
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now := time.Now().UTC()
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rc.run.EndedAt = &now
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rc.run.Status = status
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rc.run.Phase = core.PhaseDone
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rc.run.Usage = &usage
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rc.run.Error = errPart
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m.st.UpdateRun(&rc.run)
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// 终态权威消息树：落库助手消息（含过程部件标记）。
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m.mu.Lock()
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parts := append([]core.Part{}, rc.h.assistant...)
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m.mu.Unlock()
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if len(parts) > 0 {
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msg := core.Message{ConversationID: rc.run.ConversationID, RunID: rc.run.ID, Role: core.RoleAssistant, Parts: parts}
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if err := m.st.AppendMessage(&msg); err == nil {
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// 消息树权威已落库；hitl 摘要部件的卡片状态由前端对账收敛。
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}
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if errPart != nil {
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m.st.AppendMessage(&core.Message{ConversationID: rc.run.ConversationID, RunID: rc.run.ID, Role: core.RoleAssistant, Parts: []core.Part{{Type: core.PartError, Err: errPart}}})
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}
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} else if errPart != nil {
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m.st.AppendMessage(&core.Message{ConversationID: rc.run.ConversationID, RunID: rc.run.ID, Role: core.RoleAssistant, Parts: []core.Part{{Type: core.PartError, Err: errPart}}})
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}
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switch status {
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case core.RunCompleted:
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usagePayload := core.RunCompletedPayload{Usage: usage}
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// 把工具调用数补进 usage（由 runner 在部件里体现，这里取事件计数）。
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m.emit(rc.run.ConversationID, rc.run.ID, core.EvRunCompleted, usagePayload)
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case core.RunFailed:
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m.emit(rc.run.ConversationID, rc.run.ID, core.EvRunFailed, core.RunFailedPayload{Code: errPart.Code, Message: errPart.Message})
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}
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}
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// setRunStatus 更新并广播 phase（状态不单独出事件，phase 事件携带）。
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func (m *Manager) setRunStatus(r *core.Run, status core.RunStatus, phase core.RunPhase) {
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r.Status = status
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r.Phase = phase
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m.st.UpdateRun(r)
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}
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// emit 持久化事件并广播；返回 seq。
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func (m *Manager) emit(conversationID, runID string, typ core.StreamEventType, payload any) (int64, error) {
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e := core.StreamEvent{
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ConversationID: conversationID, RunID: runID,
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TS: time.Now().UTC().Format(time.RFC3339Nano), V: core.ProtocolVersion, Type: typ,
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}
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seq, err := m.st.AppendEvent(&e, payload)
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if err != nil {
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return 0, err
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}
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e.Seq = seq
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m.bus.Publish(e)
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return seq, nil
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}
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// CancelRun 取消 run 及其子 run（ctx 级联）。
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func (m *Manager) CancelRun(runID string) error {
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r, err := m.st.GetRun(runID)
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if err != nil {
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return err
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}
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if r.Status == core.RunCompleted || r.Status == core.RunFailed || r.Status == core.RunCancelled {
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return fmt.Errorf("runmgr: run %s already terminal (%s)", runID, r.Status)
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}
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// 取消祖先句柄（子 run 派生自父 ctx，天然级联）。
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rootID := r.ParentRunID
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if rootID == "" {
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rootID = r.ID
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}
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m.mu.Lock()
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if h, ok := m.active[rootID]; ok {
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h.cancel()
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// 唤醒可能在等 HITL 的执行。
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select {
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case h.hitlCh <- hitlAnswer{err: context.Canceled}:
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default:
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}
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}
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if h, ok := m.active[r.ID]; ok && r.ID != rootID {
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h.cancel()
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select {
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case h.hitlCh <- hitlAnswer{err: context.Canceled}:
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default:
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}
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}
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m.mu.Unlock()
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return nil
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}
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// ---- HITL 解析（三分支路由，4.5）----
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// ResolveHITL 处理用户对卡片的响应：
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// 1) 选项命中 → 回填挂起 run；
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// 2) 自由输入以 "/" 开头（命令）→ 取消挂起 run，返回转轨标志由 server 层发送新消息；
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// 3) 其他自由输入 → 作为澄清回答回填。
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func (m *Manager) ResolveHITL(cardID string, resp core.HITLResponse) (pivotText string, pivoted bool, err error) {
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card, err := m.st.GetHITLCard(cardID)
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if err != nil {
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return "", false, err
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}
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if card.Resolved {
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return "", false, fmt.Errorf("runmgr: card %s already resolved", cardID)
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}
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run, err := m.st.GetRun(card.RunID)
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if err != nil {
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return "", false, err
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}
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kind := "choice"
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answer := ""
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if resp.ChoiceID != "" {
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for _, c := range card.Choices {
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if c.ID == resp.ChoiceID {
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answer = c.Label
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break
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}
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}
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} else if resp.FreeText != "" {
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kind = "free"
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answer = resp.FreeText
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if strings.HasPrefix(strings.TrimSpace(resp.FreeText), "/") {
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// 命令转轨：取消挂起 run，等价于用户直接发送该命令。
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_ = m.CancelRun(run.ID)
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m.st.ResolveHITLCard(cardID, core.HITLResolvedPayload{CardID: core.ID(cardID), Kind: "cancelled", Answer: answer})
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m.emit(run.ConversationID, run.ID, core.EvHITLResolved, core.HITLResolvedPayload{CardID: core.ID(cardID), Kind: "cancelled", Answer: answer})
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return strings.TrimSpace(resp.FreeText), true, nil
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}
|
||
}
|
||
resolution := core.HITLResolvedPayload{CardID: core.ID(cardID), Answer: answer, Kind: kind}
|
||
if err := m.st.ResolveHITLCard(cardID, resolution); err != nil {
|
||
return "", false, err
|
||
}
|
||
m.emit(run.ConversationID, run.ID, core.EvHITLResolved, resolution)
|
||
|
||
m.mu.Lock()
|
||
h, ok := m.active[run.ID]
|
||
m.mu.Unlock()
|
||
if !ok {
|
||
return "", false, fmt.Errorf("runmgr: run %s not active (may have ended)", run.ID)
|
||
}
|
||
select {
|
||
case h.hitlCh <- hitlAnswer{resp: resp}:
|
||
default:
|
||
return "", false, fmt.Errorf("runmgr: hitl channel busy")
|
||
}
|
||
// 恢复运行状态。
|
||
if run.Status == core.RunWaitingHITL {
|
||
run.Status = core.RunRunning
|
||
m.st.UpdateRun(&run)
|
||
}
|
||
return "", false, nil
|
||
}
|
||
|
||
// ---- 子代理（任务树）----
|
||
|
||
func (m *Manager) spawnSubagent(parentCtx context.Context, parent core.Run, name, task, hint string) (core.AgentResultPayload, error) {
|
||
child := core.Run{
|
||
ID: store.NewID("run"), ParentRunID: parent.ID, ConversationID: parent.ConversationID,
|
||
ProjectID: parent.ProjectID, Kind: core.RunSubagent, ProfileID: parent.ProfileID,
|
||
Status: core.RunPending, Phase: core.PhaseThinking, AgentName: name,
|
||
}
|
||
if err := m.st.CreateRun(&child); err != nil {
|
||
return core.AgentResultPayload{}, err
|
||
}
|
||
m.emit(parent.ConversationID, parent.ID, core.EvAgentSpawn, core.AgentSpawnPayload{AgentRun: child.ID, Name: name, Task: task})
|
||
|
||
ctx, cancel := context.WithCancel(parentCtx)
|
||
h := &runHandle{cancel: cancel, hitlCh: make(chan hitlAnswer, 1), started: time.Now()}
|
||
m.mu.Lock()
|
||
m.active[child.ID] = h
|
||
m.mu.Unlock()
|
||
|
||
prof, _ := m.profiles.Get(parent.ProfileID)
|
||
eff := m.settings.Effective(parent.ProjectID)
|
||
rc := &runCtx{mgr: m, run: child, prof: prof, eff: eff, ctx: ctx, h: h, subTask: task, subHint: hint}
|
||
m.setRunStatus(&rc.run, core.RunRunning, core.PhaseActing)
|
||
|
||
runner := m.subRunner
|
||
if eff.GetBool("runtime.mock", false) || runner == nil {
|
||
runner = m.mockSub
|
||
}
|
||
execErr := func() (err error) {
|
||
defer func() {
|
||
if r := recover(); r != nil {
|
||
err = fmt.Errorf("subagent panic: %v", r)
|
||
}
|
||
}()
|
||
return runner.Execute(rc)
|
||
}()
|
||
|
||
usage := core.Usage{DurationMs: float64(time.Since(h.started).Milliseconds())}
|
||
status := core.RunCompleted
|
||
summary := "完成"
|
||
payload := core.AgentResultPayload{AgentRun: child.ID, Status: status, Summary: summary}
|
||
if execErr != nil {
|
||
if ctx.Err() != nil {
|
||
status = core.RunCancelled
|
||
payload.Status = status
|
||
payload.Summary = "已取消"
|
||
} else {
|
||
status = core.RunFailed
|
||
payload.Status = status
|
||
payload.Summary = execErr.Error()
|
||
}
|
||
}
|
||
now := time.Now().UTC()
|
||
child.EndedAt = &now
|
||
child.Status = status
|
||
child.Phase = core.PhaseDone
|
||
child.Usage = &usage
|
||
m.st.UpdateRun(&child)
|
||
m.emit(child.ConversationID, child.ID, core.EvAgentResult, payload)
|
||
|
||
m.mu.Lock()
|
||
delete(m.active, child.ID)
|
||
m.mu.Unlock()
|
||
if status != core.RunCompleted {
|
||
return payload, fmt.Errorf("subagent %s: %s", name, payload.Summary)
|
||
}
|
||
return payload, nil
|
||
}
|
||
|
||
// InterruptRunning 服务停机前把在途 run 标记为 interrupted（4.2 恢复策略）。
|
||
func (m *Manager) InterruptRunning() {
|
||
m.mu.Lock()
|
||
ids := make([]string, 0, len(m.active))
|
||
for id := range m.active {
|
||
ids = append(ids, id)
|
||
}
|
||
handles := make([]*runHandle, 0, len(ids))
|
||
for _, id := range ids {
|
||
if h, ok := m.active[id]; ok {
|
||
handles = append(handles, h)
|
||
}
|
||
}
|
||
m.mu.Unlock()
|
||
for _, h := range handles {
|
||
h.cancel()
|
||
}
|
||
for _, id := range ids {
|
||
r, err := m.st.GetRun(id)
|
||
if err != nil || r.Status == core.RunCompleted || r.Status == core.RunFailed || r.Status == core.RunCancelled {
|
||
continue
|
||
}
|
||
r.Status = core.RunInterrupted
|
||
m.st.UpdateRun(&r)
|
||
}
|
||
}
|
||
|
||
func truncate(s string, n int) string {
|
||
if len(s) <= n {
|
||
return s
|
||
}
|
||
return s[:n] + "…"
|
||
}
|