This commit is contained in:
mlogclub
2026-04-09 10:01:23 +08:00
commit efe801b8bf
707 changed files with 110595 additions and 0 deletions
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package skills
import (
"bytes"
"context"
"encoding/json"
"fmt"
"strings"
"text/template"
"time"
"cs-agent/internal/ai"
"cs-agent/internal/ai/mcps"
"cs-agent/internal/pkg/enums"
"cs-agent/internal/pkg/errorsx"
)
type mcpToolExecutionConfig struct {
ServerCode string `json:"serverCode"`
ToolName string `json:"toolName"`
Arguments map[string]string `json:"arguments"`
}
func executeByPlan(ctx context.Context, plan *ExecutionPlan, runtimeCtx RuntimeContext) (string, *ExecutionTrace, error) {
if plan == nil || plan.Skill == nil {
return "", nil, nil
}
trace := &ExecutionTrace{
Status: "started",
ExecutionMode: string(plan.Skill.ExecutionMode),
}
switch plan.Skill.ExecutionMode {
case "", enums.SkillExecutionModePromptOnly:
replyText, err := executePromptOnly(ctx, plan, runtimeCtx, trace)
return replyText, trace, err
case enums.SkillExecutionModeMCPTool:
replyText, err := executeMCPTool(ctx, plan, runtimeCtx, trace)
return replyText, trace, err
default:
trace.Status = "invalid_execution_mode"
return "", trace, errorsx.InvalidParam("Skill执行模式不支持")
}
}
func executePromptOnly(ctx context.Context, plan *ExecutionPlan, runtimeCtx RuntimeContext, trace *ExecutionTrace) (string, error) {
if plan == nil || plan.Skill == nil {
return "", nil
}
if plan.AIConfig == nil {
return "", errorsx.InvalidParam("Skill 关联的 AI 配置不可用")
}
systemPrompt := strings.TrimSpace(plan.Skill.Prompt)
if systemPrompt == "" {
return "", errorsx.InvalidParam("Skill Prompt 不能为空")
}
userPrompt := strings.TrimSpace(runtimeCtx.UserMessage)
if userPrompt == "" {
return "", errorsx.InvalidParam("用户消息不能为空")
}
promptTrace := &PromptTrace{Status: "started"}
if trace != nil {
trace.Prompt = promptTrace
}
startedAt := time.Now()
result, err := ai.LLM.ChatWithConfig(ctx, plan.AIConfig, systemPrompt, userPrompt)
promptTrace.LatencyMs = time.Since(startedAt).Milliseconds()
if err != nil {
promptTrace.Status = "error"
promptTrace.Error = err.Error()
if trace != nil {
trace.Status = "error"
}
return "", err
}
promptTrace.Status = "ok"
promptTrace.ModelName = result.ModelName
promptTrace.PromptTokens = result.PromptTokens
promptTrace.CompletionTokens = result.CompletionTokens
if trace != nil {
trace.Status = "ok"
}
return strings.TrimSpace(result.Content), nil
}
func executeMCPTool(ctx context.Context, plan *ExecutionPlan, runtimeCtx RuntimeContext, trace *ExecutionTrace) (string, error) {
cfg, err := parseMCPToolExecutionConfig(plan.Skill.ExecutionConfig)
if err != nil {
if trace != nil {
trace.Status = "config_error"
}
return "", err
}
arguments, err := buildToolArguments(cfg.Arguments, runtimeCtx)
if err != nil {
if trace != nil {
trace.Status = "argument_error"
}
return "", err
}
mcpTrace := &MCPExecutionTrace{
Status: "started",
ServerCode: cfg.ServerCode,
ToolName: cfg.ToolName,
Arguments: arguments,
}
if trace != nil {
trace.MCP = mcpTrace
}
toolStartedAt := time.Now()
toolResult, err := mcps.Runtime.CallTool(ctx, cfg.ServerCode, cfg.ToolName, arguments)
mcpTrace.LatencyMs = time.Since(toolStartedAt).Milliseconds()
if err != nil {
mcpTrace.Status = "error"
mcpTrace.Error = err.Error()
if trace != nil {
trace.Status = "error"
}
return "", err
}
mcpTrace.Status = "ok"
mcpTrace.IsError = toolResult.IsError
mcpTrace.ContentItemCount = len(toolResult.Content)
mcpTrace.HasStructuredContent = toolResult.StructuredContent != nil
toolSummary := buildToolSummary(toolResult)
mcpTrace.ResultPreview = truncateTraceText(toolSummary, 500)
if strings.TrimSpace(toolSummary) == "" {
if trace != nil {
trace.Status = "empty_tool_result"
}
return "", errorsx.InvalidParam("MCP工具未返回有效结果")
}
systemPrompt := strings.TrimSpace(plan.Skill.Prompt)
if systemPrompt == "" {
systemPrompt = "你是客服技能助手。请依据工具结果准确回答用户问题,不要编造工具结果中不存在的事实。"
}
userPrompt := fmt.Sprintf("用户问题:%s\n\n工具结果:\n%s", strings.TrimSpace(runtimeCtx.UserMessage), toolSummary)
summaryTrace := &PromptTrace{Status: "started"}
mcpTrace.SummaryPrompt = summaryTrace
summaryStartedAt := time.Now()
result, err := ai.LLM.ChatWithConfig(ctx, plan.AIConfig, systemPrompt, userPrompt)
summaryTrace.LatencyMs = time.Since(summaryStartedAt).Milliseconds()
if err != nil {
summaryTrace.Status = "error"
summaryTrace.Error = err.Error()
if trace != nil {
trace.Status = "error"
}
return "", err
}
summaryTrace.Status = "ok"
summaryTrace.ModelName = result.ModelName
summaryTrace.PromptTokens = result.PromptTokens
summaryTrace.CompletionTokens = result.CompletionTokens
if trace != nil {
trace.Status = "ok"
}
return strings.TrimSpace(result.Content), nil
}
func parseMCPToolExecutionConfig(raw string) (*mcpToolExecutionConfig, error) {
raw = strings.TrimSpace(raw)
if raw == "" {
return nil, errorsx.InvalidParam("ExecutionConfig不能为空")
}
cfg := &mcpToolExecutionConfig{}
if err := json.Unmarshal([]byte(raw), cfg); err != nil {
return nil, errorsx.InvalidParam("ExecutionConfig格式不合法")
}
if strings.TrimSpace(cfg.ServerCode) == "" {
return nil, errorsx.InvalidParam("ExecutionConfig.serverCode不能为空")
}
if strings.TrimSpace(cfg.ToolName) == "" {
return nil, errorsx.InvalidParam("ExecutionConfig.toolName不能为空")
}
return cfg, nil
}
func buildToolArguments(templateArgs map[string]string, runtimeCtx RuntimeContext) (map[string]any, error) {
if len(templateArgs) == 0 {
return map[string]any{
"query": strings.TrimSpace(runtimeCtx.UserMessage),
}, nil
}
data := map[string]any{
"userMessage": strings.TrimSpace(runtimeCtx.UserMessage),
"conversationId": runtimeCtx.ConversationID,
"aiAgentId": runtimeCtx.AIAgentID,
"manualSkillCode": strings.TrimSpace(runtimeCtx.ManualSkillCode),
"intentCode": strings.TrimSpace(runtimeCtx.IntentCode),
}
ret := make(map[string]any, len(templateArgs))
for key, value := range templateArgs {
rendered, err := renderTemplate(value, data)
if err != nil {
return nil, errorsx.InvalidParam("ExecutionConfig.arguments模板不合法")
}
ret[key] = rendered
}
return ret, nil
}
func renderTemplate(raw string, data map[string]any) (string, error) {
tpl, err := template.New("skill_arg").Option("missingkey=zero").Parse(raw)
if err != nil {
return "", err
}
var buf bytes.Buffer
if err := tpl.Execute(&buf, data); err != nil {
return "", err
}
return strings.TrimSpace(buf.String()), nil
}
func buildToolSummary(result *mcps.ToolCallResult) string {
if result == nil {
return ""
}
lines := make([]string, 0, len(result.Content)+2)
if result.StructuredContent != nil {
if data, err := json.Marshal(result.StructuredContent); err == nil {
lines = append(lines, string(data))
}
}
for _, item := range result.Content {
if strings.TrimSpace(item.Text) != "" {
lines = append(lines, strings.TrimSpace(item.Text))
continue
}
if item.Data != nil {
if data, err := json.Marshal(item.Data); err == nil {
lines = append(lines, string(data))
}
}
}
return strings.TrimSpace(strings.Join(lines, "\n"))
}
func truncateTraceText(raw string, limit int) string {
raw = strings.TrimSpace(raw)
if raw == "" || limit <= 0 {
return raw
}
runes := []rune(raw)
if len(runes) <= limit {
return raw
}
return strings.TrimSpace(string(runes[:limit])) + "..."
}
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package skills
import (
"encoding/json"
"time"
"cs-agent/internal/models"
)
// BuildRunLog 根据执行计划与运行结果构建 Skill 运行日志。
func BuildRunLog(ctx RuntimeContext, plan *ExecutionPlan, trace *ExecutionTrace, err error) *models.SkillRunLog {
log := &models.SkillRunLog{
ConversationID: ctx.ConversationID,
AIAgentID: ctx.AIAgentID,
ManualSkillCode: ctx.ManualSkillCode,
IntentCode: ctx.IntentCode,
UserMessage: ctx.UserMessage,
TraceData: buildTraceData(trace),
CreatedAt: time.Now(),
}
if plan != nil {
if plan.AIConfig != nil {
log.AIConfigID = plan.AIConfig.ID
log.UsedModel = plan.AIConfig.ModelName
log.UsedProvider = plan.AIConfig.Provider
}
if plan.Skill != nil {
log.SkillDefinitionID = plan.Skill.ID
log.SkillCode = plan.Skill.Code
log.Matched = true
log.FinalSelected = true
log.MatchReason = plan.MatchReason
}
}
if err != nil {
log.ErrorMessage = err.Error()
} else if !log.Matched {
if plan != nil && plan.MatchReason != "" {
log.MatchReason = plan.MatchReason
} else {
log.MatchReason = "not_matched"
}
}
return log
}
func buildTraceData(trace *ExecutionTrace) string {
if trace == nil {
return ""
}
data, err := json.Marshal(trace)
if err != nil {
return ""
}
return string(data)
}
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package skills
import (
"context"
"fmt"
"strings"
"time"
"cs-agent/internal/ai"
"cs-agent/internal/models"
"cs-agent/internal/pkg/enums"
"cs-agent/internal/pkg/errorsx"
"cs-agent/internal/pkg/utils"
"cs-agent/internal/repositories"
"github.com/mlogclub/simple/common/strs"
"github.com/mlogclub/simple/sqls"
)
type intentTriggerConfig struct {
Intents []string `json:"intents"`
}
// MatchSkill 对单个 SkillDefinition 执行命中判断。
func MatchSkill(execCtx context.Context, ctx RuntimeContext, aiAgent *models.AIAgent, aiConfig *models.AIConfig) (*models.SkillDefinition, string, *RouteTrace, error) {
if strs.IsNotBlank(ctx.ManualSkillCode) {
skill := repositories.SkillDefinitionRepository.GetByCode(sqls.DB(), ctx.ManualSkillCode)
if skill == nil || skill.Status != enums.StatusOk {
return nil, "", nil, errorsx.InvalidParam("Skill 不存在或未启用")
}
return skill, "manual_skill_code", &RouteTrace{
Status: "manual_selected",
SelectedSkillCode: skill.Code,
}, nil
}
candidates := loadCandidateSkills(aiAgent)
trace := &RouteTrace{
Status: "started",
CandidateSkillCodes: make([]string, 0, len(candidates)),
}
for _, item := range candidates {
trace.CandidateSkillCodes = append(trace.CandidateSkillCodes, item.Code)
}
if len(candidates) == 0 {
trace.Status = "no_candidate"
return nil, "no_enabled_skill_bound", trace, nil
}
intentCode := strings.TrimSpace(ctx.IntentCode)
if intentCode != "" {
for _, item := range candidates {
if strings.EqualFold(strings.TrimSpace(item.Code), intentCode) {
trace.Status = "intent_selected"
trace.SelectedSkillCode = item.Code
return &item, "intent_code", trace, nil
}
}
}
if len(candidates) == 1 {
trace.Status = "single_candidate"
trace.SelectedSkillCode = candidates[0].Code
return &candidates[0], "single_candidate", trace, nil
}
selected, routeTrace, err := routeSkillWithLLM(execCtx, aiConfig, ctx.UserMessage, candidates)
if routeTrace != nil {
trace.Status = routeTrace.Status
trace.SelectedSkillCode = routeTrace.SelectedSkillCode
trace.RawDecision = routeTrace.RawDecision
trace.LatencyMs = routeTrace.LatencyMs
trace.Error = routeTrace.Error
}
if err != nil {
if trace.Error == "" {
trace.Error = err.Error()
}
return nil, "route_error", trace, err
}
if selected == nil {
if trace.Status == "started" {
trace.Status = "not_matched"
}
return nil, "route_none", trace, nil
}
return selected, "llm_route", trace, nil
}
func loadCandidateSkills(aiAgent *models.AIAgent) []models.SkillDefinition {
if aiAgent == nil {
return nil
}
skillIDs := utils.SplitInt64s(aiAgent.SkillIDs)
if len(skillIDs) == 0 {
return nil
}
ret := make([]models.SkillDefinition, 0, len(skillIDs))
for _, id := range skillIDs {
skill := repositories.SkillDefinitionRepository.Get(sqls.DB(), id)
if skill == nil || skill.Status != enums.StatusOk {
continue
}
ret = append(ret, *skill)
}
return ret
}
func routeSkillWithLLM(ctx context.Context, aiConfig *models.AIConfig, userMessage string, candidates []models.SkillDefinition) (*models.SkillDefinition, *RouteTrace, error) {
trace := &RouteTrace{Status: "started"}
if aiConfig == nil {
trace.Status = "config_error"
trace.Error = "ai config is nil"
return nil, trace, errorsx.InvalidParam("Skill 路由依赖的 AI 配置不可用")
}
if len(candidates) == 0 {
trace.Status = "no_candidate"
return nil, trace, nil
}
userMessage = strings.TrimSpace(userMessage)
if userMessage == "" {
trace.Status = "empty_user_message"
return nil, trace, nil
}
systemPrompt := "你是客服技能路由器。你只能在候选 Skill 中选择一个最合适的 skillCode,或者返回 NONE。只有当用户问题与 Skill 的职责边界明确匹配时才选择;如果不明确、信息不足、多个 Skill 都不够确定,就返回 NONE。输出只能是 skillCode 或 NONE,不能输出其他内容。"
userPrompt := buildSkillRoutePrompt(userMessage, candidates)
startedAt := time.Now()
result, err := ai.LLM.ChatWithConfig(ctx, aiConfig, systemPrompt, userPrompt)
trace.LatencyMs = time.Since(startedAt).Milliseconds()
if err != nil {
trace.Status = "route_error"
trace.Error = err.Error()
return nil, trace, err
}
decision := normalizeRouteDecision(result.Content)
trace.RawDecision = strings.TrimSpace(result.Content)
if decision == "" || decision == "NONE" {
trace.Status = "not_matched"
return nil, trace, nil
}
for _, item := range candidates {
if strings.EqualFold(item.Code, decision) {
trace.Status = "llm_selected"
trace.SelectedSkillCode = item.Code
return &item, trace, nil
}
}
trace.Status = "invalid_decision"
trace.Error = fmt.Sprintf("invalid route decision: %s", decision)
return nil, trace, nil
}
func buildSkillRoutePrompt(userMessage string, candidates []models.SkillDefinition) string {
lines := make([]string, 0, len(candidates)+4)
lines = append(lines, "用户问题:")
lines = append(lines, strings.TrimSpace(userMessage))
lines = append(lines, "")
lines = append(lines, "候选 Skills")
for _, item := range candidates {
lines = append(lines, fmt.Sprintf("- skillCode=%s; name=%s; description=%s", strings.TrimSpace(item.Code), strings.TrimSpace(item.Name), strings.TrimSpace(item.Description)))
}
lines = append(lines, "")
lines = append(lines, "请只输出一个 skillCode 或 NONE。")
return strings.Join(lines, "\n")
}
func normalizeRouteDecision(raw string) string {
raw = strings.TrimSpace(raw)
if raw == "" {
return ""
}
raw = strings.Trim(raw, "`")
raw = strings.TrimSpace(raw)
if idx := strings.Index(raw, "\n"); idx >= 0 {
raw = raw[:idx]
}
raw = strings.TrimSpace(raw)
raw = strings.Trim(raw, "\"'")
if strings.EqualFold(raw, "NONE") {
return "NONE"
}
return raw
}
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package skills
import (
"context"
"strings"
"cs-agent/internal/models"
"cs-agent/internal/pkg/errorsx"
"cs-agent/internal/repositories"
"github.com/mlogclub/simple/sqls"
)
// BuildExecutionPlan 构建当前请求的 Skill 执行计划。
func BuildExecutionPlan(execCtx context.Context, ctx RuntimeContext) (*ExecutionPlan, error) {
if ctx.AIAgentID <= 0 {
return nil, errorsx.InvalidParam("AIAgentID不能为空")
}
aiAgent := repositories.AIAgentRepository.Get(sqls.DB(), ctx.AIAgentID)
if aiAgent == nil {
return nil, errorsx.InvalidParam("AI Agent不存在")
}
aiConfig := repositories.AIConfigRepository.Get(sqls.DB(), aiAgent.AIConfigID)
if aiConfig == nil {
return nil, errorsx.InvalidParam("AI Agent关联的AI配置不存在")
}
skill, matchReason, routeTrace, err := MatchSkill(execCtx, ctx, aiAgent, aiConfig)
if err != nil {
return nil, err
}
return &ExecutionPlan{
AIAgent: aiAgent,
AIConfig: aiConfig,
Skill: skill,
MatchReason: strings.TrimSpace(matchReason),
RouteTrace: routeTrace,
}, nil
}
// WriteRunLog 写入 Skill 运行日志。
func WriteRunLog(log *models.SkillRunLog) error {
if log == nil {
return nil
}
return repositories.SkillRunLogRepository.Create(sqls.DB(), log)
}
// Execute 执行一次 Skill 运行,当前阶段仅支持 prompt_only 风格的手动 Skill。
func Execute(ctx context.Context, runtimeCtx RuntimeContext) (*ExecutionResult, error) {
plan, err := BuildExecutionPlan(ctx, runtimeCtx)
if err != nil {
trace := &ExecutionTrace{Status: "plan_error"}
log := BuildRunLog(runtimeCtx, nil, trace, err)
_ = WriteRunLog(log)
return nil, err
}
if plan == nil || plan.Skill == nil {
trace := &ExecutionTrace{Status: "noop"}
if plan != nil {
trace.MatchReason = strings.TrimSpace(plan.MatchReason)
trace.Route = plan.RouteTrace
}
log := BuildRunLog(runtimeCtx, plan, trace, nil)
_ = WriteRunLog(log)
return nil, nil
}
replyText, trace, err := executeByPlan(ctx, plan, runtimeCtx)
if trace != nil {
trace.MatchReason = strings.TrimSpace(plan.MatchReason)
if trace.Route == nil {
trace.Route = plan.RouteTrace
}
}
log := BuildRunLog(runtimeCtx, plan, trace, err)
if strings.TrimSpace(replyText) != "" && strings.TrimSpace(log.MatchReason) == "" {
log.MatchReason = string(plan.Skill.ExecutionMode)
}
if writeErr := WriteRunLog(log); writeErr != nil && err == nil {
err = writeErr
}
if err != nil {
return nil, err
}
return &ExecutionResult{
Plan: plan,
ReplyText: strings.TrimSpace(replyText),
RunLog: log,
Trace: trace,
}, nil
}
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package skills
import "cs-agent/internal/models"
// RuntimeContext 表示一次 Skill 运行的输入上下文。
type RuntimeContext struct {
AIAgentID int64 // AIAgentID 为当前请求所属的 AI Agent ID,必填。
UserMessage string // UserMessage 为当前用户输入。
ConversationID int64 // ConversationID 为当前会话 ID,无会话上下文时为 0。
ManualSkillCode string // ManualSkillCode 为显式指定的 Skill 编码。
IntentCode string // IntentCode 为上游识别出的意图编码。
}
// ExecutionPlan 表示 Skill Runtime 计算出的最终执行计划。
type ExecutionPlan struct {
AIAgent *models.AIAgent // AIAgent 为本次请求所属的 AI Agent。
AIConfig *models.AIConfig // AIConfig 为本次请求实际使用的模型配置。
Skill *models.SkillDefinition // Skill 为最终命中的 Skill,未命中时为空。
MatchReason string // MatchReason 为命中原因。
RouteTrace *RouteTrace // RouteTrace 为匹配阶段的路由追踪。
}
// ExecutionResult 表示一次 Skill 执行的最终结果。
type ExecutionResult struct {
Plan *ExecutionPlan
ReplyText string
RunLog *models.SkillRunLog
Trace *ExecutionTrace
}
type ExecutionTrace struct {
Status string `json:"status"`
MatchReason string `json:"matchReason,omitempty"`
Route *RouteTrace `json:"route,omitempty"`
ExecutionMode string `json:"executionMode,omitempty"`
Prompt *PromptTrace `json:"prompt,omitempty"`
MCP *MCPExecutionTrace `json:"mcp,omitempty"`
}
type RouteTrace struct {
Status string `json:"status"`
CandidateSkillCodes []string `json:"candidateSkillCodes,omitempty"`
SelectedSkillCode string `json:"selectedSkillCode,omitempty"`
RawDecision string `json:"rawDecision,omitempty"`
LatencyMs int64 `json:"latencyMs,omitempty"`
Error string `json:"error,omitempty"`
}
type PromptTrace struct {
Status string `json:"status"`
LatencyMs int64 `json:"latencyMs,omitempty"`
ModelName string `json:"modelName,omitempty"`
PromptTokens int `json:"promptTokens,omitempty"`
CompletionTokens int `json:"completionTokens,omitempty"`
Error string `json:"error,omitempty"`
}
type MCPExecutionTrace struct {
Status string `json:"status"`
ServerCode string `json:"serverCode,omitempty"`
ToolName string `json:"toolName,omitempty"`
Arguments map[string]any `json:"arguments,omitempty"`
LatencyMs int64 `json:"latencyMs,omitempty"`
IsError bool `json:"isError,omitempty"`
ContentItemCount int `json:"contentItemCount,omitempty"`
HasStructuredContent bool `json:"hasStructuredContent,omitempty"`
ResultPreview string `json:"resultPreview,omitempty"`
Error string `json:"error,omitempty"`
SummaryPrompt *PromptTrace `json:"summaryPrompt,omitempty"`
}