226 lines
7.6 KiB
Go
226 lines
7.6 KiB
Go
package app
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import (
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"encoding/json"
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"fmt"
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"slices"
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"strings"
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)
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type cloudAgentPlanItem struct {
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ID string `json:"id"`
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Title string `json:"title"`
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Status string `json:"status"`
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}
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func cloudAgentPendingPlanItems(plan []cloudAgentPlanItem) []string {
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pending := make([]string, 0, len(plan))
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for _, item := range plan {
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if item.Status != "done" {
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pending = append(pending, item.Title)
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}
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}
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return pending
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}
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const cloudAgentPlanBlockMarker = "\n\n## 本轮待办清单\n\n"
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func stripCloudAgentPlanBlock(system string) string {
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if i := strings.Index(system, cloudAgentPlanBlockMarker); i >= 0 {
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return system[:i]
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}
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return system
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}
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func isCloudAgentRuntimeContextMessage(message map[string]any) bool {
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if stringField(message, "role") != "user" {
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return false
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}
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return stringField(message, cloudAgentContextSourceKey) == "runtime"
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}
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func stripCloudAgentRuntimeContext(messages []map[string]any) []map[string]any {
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if len(messages) == 0 || !isCloudAgentRuntimeContextMessage(messages[len(messages)-1]) {
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return messages
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}
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var context cloudAgentRuntimeContext
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content := strings.TrimPrefix(stringField(messages[len(messages)-1], "content"), cloudAgentRuntimeContextMarker)
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if json.Unmarshal([]byte(content), &context) != nil || context.Kind != cloudAgentContextPlan {
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return messages
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}
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return messages[:len(messages)-1]
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}
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func attachCloudAgentPlan(canonical *canonicalAgentRequest, plan []cloudAgentPlanItem) {
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if canonical == nil {
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return
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}
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canonical.SystemPrompt = stripCloudAgentPlanBlock(canonical.SystemPrompt)
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canonical.Messages = stripCloudAgentRuntimeContext(canonical.Messages)
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if len(plan) == 0 {
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return
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}
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canonical.Messages = append(slices.Clone(canonical.Messages), cloudAgentRuntimeMessage(cloudAgentRuntimeContext{Kind: cloudAgentContextPlan, Items: plan}))
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}
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func cloudAgentPlanRequiresFirstApproval(state *cloudAgentRuntime, call cloudAgentCall) bool {
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if state == nil || state.Approval != nil || len(state.Plan) != 0 || state.Request.PermissionMode != "request_approval" {
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return false
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}
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_, ok := cloudAgentPlanApprovalPreview(call)
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return ok
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}
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func cloudAgentPlanNudgeMessage(state *cloudAgentRuntime, pendingTitle string) map[string]any {
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return cloudAgentRuntimeMessage(cloudAgentRuntimeContext{
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Kind: cloudAgentContextPendingPlan, PendingTitle: pendingTitle,
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LatestUserMessage: cloudAgentLatestUserInstruction(state.Canonical.Messages),
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})
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}
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func cloudAgentPlanApprovalPreview(call cloudAgentCall) (cloudAgentApprovalPreview, bool) {
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var args struct {
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Items []cloudAgentPlanItem `json:"items"`
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}
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if err := decodeCloudAgentJSONObject(call.Function.Arguments, &args); err != nil {
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return cloudAgentApprovalPreview{}, false
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}
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items := make([]cloudAgentApprovalPreviewItem, 0, len(args.Items))
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for _, entry := range args.Items {
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title := strings.TrimSpace(entry.Title)
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if title == "" {
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continue
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}
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items = append(items, cloudAgentApprovalPreviewItem{Operation: "plan_step", Summary: truncateRunes(title, 240)})
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}
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if len(items) < 2 {
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return cloudAgentApprovalPreview{}, false
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}
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return cloudAgentApprovalPreview{
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Kind: "plan",
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Title: "确认执行计划",
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Description: fmt.Sprintf("Agent 把这轮任务拆成 %d 步。确认后才会开始执行；暂不执行则会让它改用别的做法。", len(items)),
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Items: items,
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}, true
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}
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func cloudAgentApplyPlanUpdate(state *cloudAgentRuntime, call cloudAgentCall) (any, error) {
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var args struct {
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Items []cloudAgentPlanItem `json:"items"`
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}
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if err := decodeCloudAgentJSONObject(call.Function.Arguments, &args); err != nil {
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return nil, BadAuthRequest("工具参数必须是只含支持字段的JSON对象")
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}
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if len(args.Items) > 20 {
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return nil, BadAuthRequest("待办清单最多 20 项")
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}
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seen := map[string]bool{}
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for i := range args.Items {
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args.Items[i].ID = strings.TrimSpace(args.Items[i].ID)
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args.Items[i].Title = strings.TrimSpace(args.Items[i].Title)
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if args.Items[i].ID == "" || args.Items[i].Title == "" {
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return nil, BadAuthRequest("待办的 id 和 title 不能为空")
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}
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if seen[args.Items[i].ID] {
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return nil, BadAuthRequest("待办 id 重复：" + args.Items[i].ID)
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}
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seen[args.Items[i].ID] = true
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switch args.Items[i].Status {
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case "pending", "doing", "done":
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default:
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args.Items[i].Status = "pending"
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}
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}
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if !slices.Equal(state.Plan, args.Items) {
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state.ActionNudged = false
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}
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state.Plan = args.Items
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return map[string]any{"items": args.Items, "pendingTitles": cloudAgentPendingPlanItems(args.Items)}, nil
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}
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func cloudAgentAskUser(call cloudAgentCall, states ...*cloudAgentRuntime) (any, error) {
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var state *cloudAgentRuntime
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if len(states) > 0 {
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state = states[0]
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}
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var args struct {
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Question string `json:"question"`
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Options []struct {
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Label string `json:"label"`
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Detail string `json:"detail"`
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} `json:"options"`
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AllowFreeform *bool `json:"allowFreeform"`
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Round int `json:"round"`
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MaxRounds int `json:"maxRounds"`
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}
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if err := decodeCloudAgentJSONObject(call.Function.Arguments, &args); err != nil {
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return nil, BadAuthRequest("工具参数必须是只含支持字段的JSON对象")
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}
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question := strings.TrimSpace(args.Question)
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if question == "" {
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return nil, BadAuthRequest("ask_user 必须给出 question：把要用户拍板的那一个问题一句话写清")
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}
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options := make([]map[string]any, 0, len(args.Options))
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for _, option := range args.Options {
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label := strings.TrimSpace(option.Label)
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if label == "" {
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continue
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}
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entry := map[string]any{"label": truncateRunes(label, 120)}
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if detail := strings.TrimSpace(option.Detail); detail != "" {
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entry["detail"] = truncateRunes(detail, 240)
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}
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options = append(options, entry)
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}
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if len(options) < 2 {
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return nil, BadAuthRequest("ask_user 至少要给 2 个候选项；若你自己能定，直接做完继续，不要问")
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}
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if len(options) > 6 {
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options = options[:6]
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}
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allowFreeform := true
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if args.AllowFreeform != nil {
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allowFreeform = *args.AllowFreeform
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}
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maxRounds := cloudAgentMaxConfirmationRounds
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currentRound := 1
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if state != nil {
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currentRound = state.ConfirmationRounds + 1
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}
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payload := map[string]any{
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"phase": "question",
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"question": truncateRunes(question, 400),
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"options": options,
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"allowFreeform": allowFreeform,
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"round": currentRound,
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"maxRounds": maxRounds,
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}
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if currentRound > maxRounds {
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payload["phase"] = "defaulted"
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payload["defaulted"] = true
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payload["text"] = "确认次数已达到上限。请使用安全默认方案继续，不要再次询问；最终回复中列出采用的默认假设。"
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return payload, nil
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}
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if state != nil {
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state.ConfirmationRounds = currentRound
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}
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return payload, nil
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}
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// skipRemainingCloudAgentCalls 结束本批剩余调用（ask_user 之后本轮不再继续执行）。
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// 末尾的 flush 让"本批前面的看图结果"仍能落在全部 tool 结果之后：这批调用到这里已经
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// 完整（每个声明的 tool_call_id 都有回执），但本轮就此结束、不会再走 advanceCloudAgent
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// 的兜底 flush，少了这一步缓冲的图片会被丢掉。
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func skipRemainingCloudAgentCalls(runID string, state *cloudAgentRuntime) {
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for index := state.CallIndex + 1; index < len(state.Calls); index++ {
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cloudAgentToolResult(runID, state, state.Calls[index], map[string]any{"skipped": true}, BadAuthRequest("本轮已结束（等待用户决定），该调用未执行"))
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}
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cloudAgentFlushPendingImages(state)
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}
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func cloudAgentCanonicalWithPlan(state *cloudAgentRuntime) canonicalAgentRequest {
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canonical := state.Canonical
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attachCloudAgentPlan(&canonical, state.Plan)
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return canonical
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}
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