Version: 0.5.6.dev.260314
✨ feat(agent): 重构 Agent 分层并修复普通聊天助手消息未写入 Redis 的问题 🔧 按职责重构 backend/agent 目录为 route/chat/quicknote 三层结构 🔄 将随口记链路拆分为 graph/nodes/tool/state/prompt，其中 graph 仅负责连线 🏃 新增 quicknote runner（方法引用）来收口节点依赖，提升代码可读性 🔀 将控制码分流逻辑抽离到 agent/route，服务层改为薄封装调用 📚 更新相关 README 与测试引用路径，保持原业务逻辑不变 🐛 修复普通聊天链路遗漏 assistant 写入 Redis 的问题（确保 MySQL 和 Redis 的口径一致）
This commit is contained in:
Losita
554
backend/agent/quicknote/nodes.go
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554
backend/agent/quicknote/nodes.go
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@@ -0,0 +1,554 @@
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package quicknote
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"strings"
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"time"
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"github.com/cloudwego/eino-ext/components/model/ark"
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einoModel "github.com/cloudwego/eino/components/model"
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"github.com/cloudwego/eino/components/tool"
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"github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino/schema"
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arkModel "github.com/volcengine/volcengine-go-sdk/service/arkruntime/model"
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)
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type quickNoteIntentModelOutput struct {
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IsQuickNote bool `json:"is_quick_note"`
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Title string `json:"title"`
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DeadlineAt string `json:"deadline_at"`
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Reason string `json:"reason"`
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}
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type quickNotePriorityModelOutput struct {
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PriorityGroup int `json:"priority_group"`
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Reason string `json:"reason"`
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}
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// quickNotePlanModelOutput 是“单请求聚合规划”节点的模型输出。
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type quickNotePlanModelOutput struct {
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Title string `json:"title"`
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DeadlineAt string `json:"deadline_at"`
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PriorityGroup int `json:"priority_group"`
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PriorityReason string `json:"priority_reason"`
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Banter string `json:"banter"`
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}
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// runQuickNoteIntentNode 负责“意图识别 + 聚合规划 + 时间校验”。
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// 说明：
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// 1) trustRoute 命中时，直接走单请求聚合规划，跳过二次意图识别；
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// 2) 无论是否走快路径，最终都要走本地时间硬校验，防止脏时间落库。
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func runQuickNoteIntentNode(ctx context.Context, st *QuickNoteState, input QuickNoteGraphRunInput, emitStage func(stage, detail string)) (*QuickNoteState, error) {
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if st == nil {
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return nil, errors.New("quick note graph: nil state in intent node")
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}
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if input.SkipIntentVerification {
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emitStage("quick_note.intent.analyzing", "已由上游路由判定为任务请求，跳过二次意图判断。")
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st.IsQuickNoteIntent = true
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st.IntentJudgeReason = "上游路由已命中 quick_note，跳过二次意图判定"
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st.PlannedBySingleCall = true
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emitStage("quick_note.plan.generating", "正在一次性生成时间归一化、优先级与回复润色。")
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plan, planErr := planQuickNoteInSingleCall(ctx, input.Model, st.RequestNowText, st.RequestNow, st.UserInput)
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if planErr != nil {
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st.IntentJudgeReason += "；聚合规划失败，回退本地兜底"
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} else {
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if strings.TrimSpace(plan.Title) != "" {
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st.ExtractedTitle = strings.TrimSpace(plan.Title)
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}
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if plan.Deadline != nil {
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st.ExtractedDeadline = plan.Deadline
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}
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st.ExtractedDeadlineText = strings.TrimSpace(plan.DeadlineText)
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if IsValidTaskPriority(plan.PriorityGroup) {
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st.ExtractedPriority = plan.PriorityGroup
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st.ExtractedPriorityReason = strings.TrimSpace(plan.PriorityReason)
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}
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st.ExtractedBanter = strings.TrimSpace(plan.Banter)
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}
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if strings.TrimSpace(st.ExtractedTitle) == "" {
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st.ExtractedTitle = deriveQuickNoteTitleFromInput(st.UserInput)
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}
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emitStage("quick_note.deadline.validating", "正在校验并归一化任务时间。")
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userDeadline, userHasTimeHint, userDeadlineErr := parseOptionalDeadlineFromUserInput(st.UserInput, st.RequestNow)
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if userHasTimeHint && userDeadlineErr != nil {
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st.DeadlineValidationError = userDeadlineErr.Error()
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st.AssistantReply = "我识别到你给了时间信息，但这个时间格式我没法准确解析，请改成例如：2026-03-20 18:30、明天下午3点、下周一上午9点。"
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emitStage("quick_note.failed", "时间校验失败，未执行写入。")
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return st, nil
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}
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if userDeadline != nil {
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st.ExtractedDeadline = userDeadline
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st.ExtractedDeadlineText = strings.TrimSpace(st.UserInput)
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}
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return st, nil
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}
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emitStage("quick_note.intent.analyzing", "正在分析用户输入是否属于任务安排请求。")
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prompt := fmt.Sprintf(`当前时间（北京时间，精确到分钟）：%s
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用户输入：%s
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请仅输出 JSON（不要 markdown，不要解释），字段如下：
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{
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"is_quick_note": boolean,
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"title": string,
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"deadline_at": string,
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"reason": string
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}
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字段约束：
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1) deadline_at 只允许输出绝对时间，格式必须为 "yyyy-MM-dd HH:mm"。
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2) 如果用户说了“明天/后天/下周一/今晚”等相对时间，必须基于上面的当前时间换算成绝对时间。
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3) 如果用户没有提及时间，deadline_at 输出空字符串。`,
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st.RequestNowText,
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st.UserInput,
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)
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raw, callErr := callModelForJSON(ctx, input.Model, QuickNoteIntentPrompt, prompt)
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if callErr != nil {
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st.IsQuickNoteIntent = false
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st.IntentJudgeReason = "意图识别失败，回退普通聊天"
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return st, nil
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}
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parsed, parseErr := parseJSONPayload[quickNoteIntentModelOutput](raw)
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if parseErr != nil {
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st.IsQuickNoteIntent = false
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st.IntentJudgeReason = "意图识别结果不可解析，回退普通聊天"
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return st, nil
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}
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st.IsQuickNoteIntent = parsed.IsQuickNote
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st.IntentJudgeReason = strings.TrimSpace(parsed.Reason)
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if !st.IsQuickNoteIntent {
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return st, nil
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}
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title := strings.TrimSpace(parsed.Title)
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if title == "" {
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title = strings.TrimSpace(st.UserInput)
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}
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st.ExtractedTitle = title
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emitStage("quick_note.deadline.validating", "正在校验并归一化任务时间。")
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// Step A：优先尝试解析模型抽取出来的 deadline。
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st.ExtractedDeadlineText = strings.TrimSpace(parsed.DeadlineAt)
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if st.ExtractedDeadlineText != "" {
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if deadline, deadlineErr := parseOptionalDeadlineWithNow(st.ExtractedDeadlineText, st.RequestNow); deadlineErr == nil {
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st.ExtractedDeadline = deadline
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}
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}
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// Step B：基于用户原句执行“本地时间解析 + 合法性校验”。
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userDeadline, userHasTimeHint, userDeadlineErr := parseOptionalDeadlineFromUserInput(st.UserInput, st.RequestNow)
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if userHasTimeHint && userDeadlineErr != nil {
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st.DeadlineValidationError = userDeadlineErr.Error()
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st.AssistantReply = "我识别到你给了时间信息，但这个时间格式我没法准确解析，请改成例如：2026-03-20 18:30、明天下午3点、下周一上午9点。"
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emitStage("quick_note.failed", "时间校验失败，未执行写入。")
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return st, nil
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}
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if st.ExtractedDeadline == nil && userDeadline != nil {
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st.ExtractedDeadline = userDeadline
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if st.ExtractedDeadlineText == "" {
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st.ExtractedDeadlineText = strings.TrimSpace(st.UserInput)
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}
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}
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return st, nil
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}
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// runQuickNotePriorityNode 负责“优先级评估”。
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// 说明：
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// 1) 聚合规划已给出合法优先级时直接复用；
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// 2) 快路径下缺失优先级时直接本地兜底，避免额外模型调用；
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// 3) 其余场景走独立评估模型，失败再兜底。
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func runQuickNotePriorityNode(ctx context.Context, st *QuickNoteState, input QuickNoteGraphRunInput, emitStage func(stage, detail string)) (*QuickNoteState, error) {
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if st == nil {
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return nil, errors.New("quick note graph: nil state in priority node")
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}
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if !st.IsQuickNoteIntent || strings.TrimSpace(st.DeadlineValidationError) != "" {
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return st, nil
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}
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if IsValidTaskPriority(st.ExtractedPriority) {
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if strings.TrimSpace(st.ExtractedPriorityReason) == "" {
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st.ExtractedPriorityReason = "复用聚合规划优先级"
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}
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emitStage("quick_note.priority.evaluating", "已复用聚合规划结果中的优先级。")
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return st, nil
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}
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if input.SkipIntentVerification || st.PlannedBySingleCall {
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st.ExtractedPriority = fallbackPriority(st)
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st.ExtractedPriorityReason = "聚合规划未给出合法优先级，使用本地兜底"
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emitStage("quick_note.priority.evaluating", "聚合优先级缺失，已使用本地兜底。")
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return st, nil
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}
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emitStage("quick_note.priority.evaluating", "正在评估任务优先级。")
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deadlineText := "无"
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if st.ExtractedDeadline != nil {
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deadlineText = formatQuickNoteTimeToMinute(*st.ExtractedDeadline)
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}
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deadlineClue := strings.TrimSpace(st.ExtractedDeadlineText)
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if deadlineClue == "" {
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deadlineClue = "无"
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}
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prompt := fmt.Sprintf(`当前时间（北京时间，精确到分钟）：%s
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请对以下任务评估优先级：
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- 任务标题：%s
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- 用户原始输入：%s
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- 时间线索原文：%s
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- 归一化截止时间：%s
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请仅输出 JSON（不要 markdown，不要解释）：
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{
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"priority_group": 1|2|3|4,
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"reason": "简短理由"
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}`,
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st.RequestNowText,
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st.ExtractedTitle,
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st.UserInput,
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deadlineClue,
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deadlineText,
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)
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raw, callErr := callModelForJSON(ctx, input.Model, QuickNotePriorityPrompt, prompt)
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if callErr != nil {
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st.ExtractedPriority = fallbackPriority(st)
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st.ExtractedPriorityReason = "优先级评估失败，使用兜底策略"
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return st, nil
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}
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parsed, parseErr := parseJSONPayload[quickNotePriorityModelOutput](raw)
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if parseErr != nil || !IsValidTaskPriority(parsed.PriorityGroup) {
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st.ExtractedPriority = fallbackPriority(st)
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st.ExtractedPriorityReason = "优先级结果异常，使用兜底策略"
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return st, nil
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}
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st.ExtractedPriority = parsed.PriorityGroup
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st.ExtractedPriorityReason = strings.TrimSpace(parsed.Reason)
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return st, nil
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}
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// runQuickNotePersistNodeInternal 负责“写库工具调用 + 重试态回填”。
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func runQuickNotePersistNodeInternal(ctx context.Context, st *QuickNoteState, createTaskTool tool.InvokableTool, input QuickNoteGraphRunInput, emitStage func(stage, detail string)) (*QuickNoteState, error) {
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_ = input // 保留参数形状，后续若需要基于输入开关扩展可直接使用。
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if st == nil {
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return nil, errors.New("quick note graph: nil state in persist node")
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}
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if !st.IsQuickNoteIntent || strings.TrimSpace(st.DeadlineValidationError) != "" {
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return st, nil
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}
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emitStage("quick_note.persisting", "正在写入任务数据。")
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priority := st.ExtractedPriority
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if !IsValidTaskPriority(priority) {
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priority = fallbackPriority(st)
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st.ExtractedPriority = priority
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}
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deadlineText := ""
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if st.ExtractedDeadline != nil {
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deadlineText = st.ExtractedDeadline.In(quickNoteLocation()).Format(time.RFC3339)
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}
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toolInput := QuickNoteCreateTaskToolInput{
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Title: st.ExtractedTitle,
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PriorityGroup: priority,
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DeadlineAt: deadlineText,
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}
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rawInput, marshalErr := json.Marshal(toolInput)
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if marshalErr != nil {
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st.RecordToolError("构造工具参数失败: " + marshalErr.Error())
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if !st.CanRetryTool() {
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st.AssistantReply = "抱歉，记录任务时参数处理失败，请稍后重试。"
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emitStage("quick_note.failed", "参数构造失败，未完成写入。")
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}
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return st, nil
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}
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rawOutput, invokeErr := createTaskTool.InvokableRun(ctx, string(rawInput))
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if invokeErr != nil {
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st.RecordToolError(invokeErr.Error())
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if !st.CanRetryTool() {
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st.AssistantReply = "抱歉，我尝试了多次仍未能成功记录这条任务，请稍后再试。"
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emitStage("quick_note.failed", "多次重试后仍未完成写入。")
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}
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return st, nil
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}
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toolOutput, parseErr := parseJSONPayload[QuickNoteCreateTaskToolOutput](rawOutput)
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if parseErr != nil {
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st.RecordToolError("解析工具返回失败: " + parseErr.Error())
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if !st.CanRetryTool() {
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st.AssistantReply = "抱歉，我拿到了异常结果，没能确认任务是否记录成功，请稍后再试。"
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emitStage("quick_note.failed", "结果解析异常，无法确认写入结果。")
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}
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return st, nil
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}
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// 成功判定硬门槛：必须拿到有效 task_id，防止“假成功”。
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if toolOutput.TaskID <= 0 {
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st.RecordToolError(fmt.Sprintf("工具返回非法 task_id=%d", toolOutput.TaskID))
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if !st.CanRetryTool() {
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st.AssistantReply = "抱歉，这次我没能确认任务写入成功，请再发一次我立刻补上。"
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emitStage("quick_note.failed", "写入结果缺少有效 task_id，已终止成功回包。")
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}
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return st, nil
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}
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st.RecordToolSuccess(toolOutput.TaskID)
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if strings.TrimSpace(toolOutput.Title) != "" {
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st.ExtractedTitle = strings.TrimSpace(toolOutput.Title)
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}
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if IsValidTaskPriority(toolOutput.PriorityGroup) {
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st.ExtractedPriority = toolOutput.PriorityGroup
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}
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reply := strings.TrimSpace(toolOutput.Message)
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if reply == "" {
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reply = fmt.Sprintf("已为你记录：%s（%s）", st.ExtractedTitle, PriorityLabelCN(st.ExtractedPriority))
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}
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st.AssistantReply = reply
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emitStage("quick_note.persisted", "任务写入成功，正在组织回复内容。")
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return st, nil
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}
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// selectQuickNoteNextAfterIntent 根据意图与时间校验结果决定 intent 后分支。
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func selectQuickNoteNextAfterIntent(st *QuickNoteState) string {
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if st == nil || !st.IsQuickNoteIntent {
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return quickNoteGraphNodeExit
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}
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if strings.TrimSpace(st.DeadlineValidationError) != "" {
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return quickNoteGraphNodeExit
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}
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return quickNoteGraphNodeRank
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}
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// selectQuickNoteNextAfterPersist 根据持久化状态决定 persist 后分支。
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func selectQuickNoteNextAfterPersist(st *QuickNoteState) string {
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if st == nil {
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return compose.END
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}
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if st.Persisted {
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return compose.END
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}
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if st.CanRetryTool() {
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return quickNoteGraphNodePersist
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}
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if strings.TrimSpace(st.AssistantReply) == "" {
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st.AssistantReply = "抱歉，我尝试了多次仍未能成功记录这条任务，请稍后再试。"
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}
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return compose.END
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}
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func getInvokableToolByName(bundle *QuickNoteToolBundle, name string) (tool.InvokableTool, error) {
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if bundle == nil {
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return nil, errors.New("tool bundle is nil")
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}
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if len(bundle.Tools) == 0 || len(bundle.ToolInfos) == 0 {
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return nil, errors.New("tool bundle is empty")
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}
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for idx, info := range bundle.ToolInfos {
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if info == nil || info.Name != name {
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continue
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}
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invokable, ok := bundle.Tools[idx].(tool.InvokableTool)
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if !ok {
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return nil, fmt.Errorf("tool %s is not invokable", name)
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}
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return invokable, nil
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}
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return nil, fmt.Errorf("tool %s not found", name)
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}
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||||
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func callModelForJSON(ctx context.Context, chatModel *ark.ChatModel, systemPrompt, userPrompt string) (string, error) {
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return callModelForJSONWithMaxTokens(ctx, chatModel, systemPrompt, userPrompt, 256)
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}
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func callModelForJSONWithMaxTokens(ctx context.Context, chatModel *ark.ChatModel, systemPrompt, userPrompt string, maxTokens int) (string, error) {
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messages := []*schema.Message{
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schema.SystemMessage(systemPrompt),
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schema.UserMessage(userPrompt),
|
||||
}
|
||||
opts := []einoModel.Option{
|
||||
ark.WithThinking(&arkModel.Thinking{Type: arkModel.ThinkingTypeDisabled}),
|
||||
einoModel.WithTemperature(0),
|
||||
}
|
||||
if maxTokens > 0 {
|
||||
opts = append(opts, einoModel.WithMaxTokens(maxTokens))
|
||||
}
|
||||
|
||||
resp, err := chatModel.Generate(ctx, messages, opts...)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if resp == nil {
|
||||
return "", errors.New("模型返回为空")
|
||||
}
|
||||
content := strings.TrimSpace(resp.Content)
|
||||
if content == "" {
|
||||
return "", errors.New("模型返回内容为空")
|
||||
}
|
||||
return content, nil
|
||||
}
|
||||
|
||||
type quickNotePlannedResult struct {
|
||||
Title string
|
||||
Deadline *time.Time
|
||||
DeadlineText string
|
||||
PriorityGroup int
|
||||
PriorityReason string
|
||||
Banter string
|
||||
}
|
||||
|
||||
// planQuickNoteInSingleCall 在一次模型调用里完成“时间/优先级/banter”聚合规划。
|
||||
func planQuickNoteInSingleCall(
|
||||
ctx context.Context,
|
||||
chatModel *ark.ChatModel,
|
||||
nowText string,
|
||||
now time.Time,
|
||||
userInput string,
|
||||
) (*quickNotePlannedResult, error) {
|
||||
prompt := fmt.Sprintf(`当前时间（北京时间，精确到分钟）：%s
|
||||
用户输入：%s
|
||||
|
||||
请仅输出 JSON（不要 markdown，不要解释），字段如下：
|
||||
{
|
||||
"title": string,
|
||||
"deadline_at": string,
|
||||
"priority_group": 1|2|3|4,
|
||||
"priority_reason": string,
|
||||
"banter": string
|
||||
}
|
||||
|
||||
约束：
|
||||
1) deadline_at 只允许 "yyyy-MM-dd HH:mm" 或空字符串；
|
||||
2) 若用户给了相对时间（如明天/今晚/下周一），必须换算为绝对时间；
|
||||
3) banter 只允许一句中文，不超过30字，不得改动任务事实。`,
|
||||
nowText,
|
||||
strings.TrimSpace(userInput),
|
||||
)
|
||||
|
||||
raw, err := callModelForJSONWithMaxTokens(ctx, chatModel, QuickNotePlanPrompt, prompt, 220)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
parsed, parseErr := parseJSONPayload[quickNotePlanModelOutput](raw)
|
||||
if parseErr != nil {
|
||||
return nil, parseErr
|
||||
}
|
||||
|
||||
result := &quickNotePlannedResult{
|
||||
Title: strings.TrimSpace(parsed.Title),
|
||||
DeadlineText: strings.TrimSpace(parsed.DeadlineAt),
|
||||
PriorityGroup: parsed.PriorityGroup,
|
||||
PriorityReason: strings.TrimSpace(parsed.PriorityReason),
|
||||
Banter: strings.TrimSpace(parsed.Banter),
|
||||
}
|
||||
|
||||
if result.Banter != "" {
|
||||
if idx := strings.Index(result.Banter, "\n"); idx >= 0 {
|
||||
result.Banter = strings.TrimSpace(result.Banter[:idx])
|
||||
}
|
||||
}
|
||||
|
||||
if result.DeadlineText != "" {
|
||||
if deadline, deadlineErr := parseOptionalDeadlineWithNow(result.DeadlineText, now); deadlineErr == nil {
|
||||
result.Deadline = deadline
|
||||
}
|
||||
}
|
||||
return result, nil
|
||||
}
|
||||
|
||||
func parseJSONPayload[T any](raw string) (*T, error) {
|
||||
clean := strings.TrimSpace(raw)
|
||||
if clean == "" {
|
||||
return nil, errors.New("empty response")
|
||||
}
|
||||
|
||||
if strings.HasPrefix(clean, "```") {
|
||||
clean = strings.TrimPrefix(clean, "```json")
|
||||
clean = strings.TrimPrefix(clean, "```")
|
||||
clean = strings.TrimSuffix(clean, "```")
|
||||
clean = strings.TrimSpace(clean)
|
||||
}
|
||||
|
||||
var out T
|
||||
if err := json.Unmarshal([]byte(clean), &out); err == nil {
|
||||
return &out, nil
|
||||
}
|
||||
|
||||
obj := extractJSONObject(clean)
|
||||
if obj == "" {
|
||||
return nil, fmt.Errorf("no json object found in: %s", clean)
|
||||
}
|
||||
if err := json.Unmarshal([]byte(obj), &out); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &out, nil
|
||||
}
|
||||
|
||||
func extractJSONObject(text string) string {
|
||||
start := strings.Index(text, "{")
|
||||
end := strings.LastIndex(text, "}")
|
||||
if start == -1 || end == -1 || end <= start {
|
||||
return ""
|
||||
}
|
||||
return text[start : end+1]
|
||||
}
|
||||
|
||||
func fallbackPriority(st *QuickNoteState) int {
|
||||
if st == nil {
|
||||
return QuickNotePrioritySimpleNotImportant
|
||||
}
|
||||
if st.ExtractedDeadline != nil {
|
||||
if time.Until(*st.ExtractedDeadline) <= 48*time.Hour {
|
||||
return QuickNotePriorityImportantUrgent
|
||||
}
|
||||
return QuickNotePriorityImportantNotUrgent
|
||||
}
|
||||
return QuickNotePrioritySimpleNotImportant
|
||||
}
|
||||
|
||||
// deriveQuickNoteTitleFromInput 在“跳过二次意图判定”场景下，从用户原句提取任务标题。
|
||||
func deriveQuickNoteTitleFromInput(userInput string) string {
|
||||
text := strings.TrimSpace(userInput)
|
||||
if text == "" {
|
||||
return "这条任务"
|
||||
}
|
||||
|
||||
prefixes := []string{
|
||||
"请帮我", "麻烦帮我", "麻烦你", "帮我", "提醒我", "请提醒我", "记一下", "记个", "帮我记一下",
|
||||
}
|
||||
for _, prefix := range prefixes {
|
||||
if strings.HasPrefix(text, prefix) {
|
||||
text = strings.TrimSpace(strings.TrimPrefix(text, prefix))
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
suffixSeparators := []string{
|
||||
"，记得", ",记得", "，到时候", ",到时候", " 到时候", "，别忘了", ",别忘了", "。记得",
|
||||
}
|
||||
for _, sep := range suffixSeparators {
|
||||
if idx := strings.Index(text, sep); idx > 0 {
|
||||
text = strings.TrimSpace(text[:idx])
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
text = strings.Trim(text, "，,。.!！？；; ")
|
||||
if text == "" {
|
||||
return strings.TrimSpace(userInput)
|
||||
}
|
||||
return text
|
||||
}
|
||||
Reference in New Issue
Block a user