feat: US-007 - Add heartbeat async task execution support
- Add local ToolResult struct definition to avoid circular dependencies - Define HeartbeatHandler function type for tool-supporting callbacks - Add SetOnHeartbeatWithTools method to configure new handler - Add ExecuteHeartbeatWithTools public method - Add internal executeHeartbeatWithTools implementation - Update checkHeartbeat to prefer new tool-supporting handler - Detect and handle async tasks (log and return immediately) - Handle error results with proper logging - Add comprehensive tests for async, error, sync, and nil result cases Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
yinwm
@@ -107,7 +107,7 @@
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"go test ./pkg/heartbeat -run TestAsync passes"
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],
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"priority": 7,
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"passes": false,
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"passes": true,
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"notes": ""
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},
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{
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@@ -6,13 +6,14 @@ Tool 返回值结构化重构 - 将 Tool 接口返回值从 (string, error) 改
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## Progress
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### Completed (5/21)
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### Completed (6/21)
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- US-001: Add ToolResult struct and helper functions
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- US-002: Modify Tool interface to return *ToolResult
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- US-004: Delete isToolConfirmationMessage function (already removed in commit 488e7a9)
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- US-005: Update AgentLoop tool result processing logic
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- US-006: Add AsyncCallback type and AsyncTool interface
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- US-007: Heartbeat async task execution support
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### In Progress
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@@ -26,7 +27,7 @@ Tool 返回值结构化重构 - 将 Tool 接口返回值从 (string, error) 改
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| US-004 | Delete isToolConfirmationMessage function | Completed | Already removed in commit 488e7a9 |
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| US-005 | Update AgentLoop tool result processing logic | Completed | No test files in pkg/agent yet |
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| US-006 | Add AsyncCallback type and AsyncTool interface | Completed | |
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| US-007 | Heartbeat async task execution support | Pending | |
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| US-007 | Heartbeat async task execution support | Completed | |
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| US-008 | Inject callback into async tools in AgentLoop | Pending | |
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| US-009 | State save atomicity - SetLastChannel | Pending | |
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| US-010 | Update RecordLastChannel to use atomic save | Pending | |
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@@ -102,3 +103,27 @@ Tool 返回值结构化重构 - 将 Tool 接口返回值从 (string, error) 改
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- **Useful context:** 这个模式将在 US-008 中用于 `SpawnTool`，让子代理完成时能够通知主循环。
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---
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## [2026-02-12] - US-007
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- What was implemented:
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- 在 `pkg/heartbeat/service.go` 中添加了本地 `ToolResult` 结构体定义（避免循环依赖）
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- 定义了 `HeartbeatHandler` 函数类型：`func(prompt string) *ToolResult`
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- 在 `HeartbeatService` 中添加了 `onHeartbeatWithTools` 字段
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- 添加了 `SetOnHeartbeatWithTools(handler HeartbeatHandler)` 方法来设置新的处理器
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- 添加了 `ExecuteHeartbeatWithTools(prompt string)` 公开方法
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- 添加了内部方法 `executeHeartbeatWithTools(prompt string)` 来处理工具结果
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- 更新了 `checkHeartbeat()` 方法，优先使用新的工具支持处理器
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- 异步任务检测：当 `result.Async == true` 时，记录日志并立即返回
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- 错误处理：当 `result.IsError == true` 时，记录错误日志
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- 普通完成：记录完成日志
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- Files changed:
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- `pkg/heartbeat/service.go`
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- `pkg/heartbeat/service_test.go` (新增)
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- **Learnings for future iterations:**
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- **Patterns discovered:** 为了避免循环依赖，heartbeat 包定义了自己的本地 `ToolResult` 结构体，而不是导入 `pkg/tools` 包。
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- **Gotchas encountered:** 原始代码中的 `running()` 函数逻辑有问题（新创建的服务会被认为是"正在运行"的），但这不在本次修改范围内。
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- **Useful context:** 心跳服务现在支持两种处理器：旧的 `onHeartbeat (返回 string, error)` 和新的 `onHeartbeatWithTools (返回 *ToolResult)`。新的处理器优先级更高。
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---
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@@ -6,15 +6,34 @@ import (
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"path/filepath"
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"sync"
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"time"
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"github.com/sipeed/picoclaw/pkg/logger"
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)
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// ToolResult represents a structured result from tool execution.
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// This is a minimal local definition to avoid circular dependencies.
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type ToolResult struct {
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ForLLM string `json:"for_llm"`
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ForUser string `json:"for_user,omitempty"`
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Silent bool `json:"silent"`
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IsError bool `json:"is_error"`
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Async bool `json:"async"`
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Err error `json:"-"`
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}
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// HeartbeatHandler is the function type for handling heartbeat with tool support.
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// It returns a ToolResult that can indicate async operations.
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type HeartbeatHandler func(prompt string) *ToolResult
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type HeartbeatService struct {
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workspace string
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onHeartbeat func(string) (string, error)
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interval time.Duration
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enabled bool
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mu sync.RWMutex
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stopChan chan struct{}
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// onHeartbeatWithTools is the new handler that supports ToolResult returns
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onHeartbeatWithTools HeartbeatHandler
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interval time.Duration
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enabled bool
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mu sync.RWMutex
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stopChan chan struct{}
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}
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func NewHeartbeatService(workspace string, onHeartbeat func(string) (string, error), intervalS int, enabled bool) *HeartbeatService {
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@@ -27,6 +46,15 @@ func NewHeartbeatService(workspace string, onHeartbeat func(string) (string, err
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}
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}
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// SetOnHeartbeatWithTools sets the tool-supporting heartbeat handler.
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// This handler returns a ToolResult that can indicate async operations.
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// When set, this handler takes precedence over the legacy onHeartbeat callback.
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func (hs *HeartbeatService) SetOnHeartbeatWithTools(handler HeartbeatHandler) {
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hs.mu.Lock()
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defer hs.mu.Unlock()
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hs.onHeartbeatWithTools = handler
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}
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func (hs *HeartbeatService) Start() error {
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hs.mu.Lock()
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defer hs.mu.Unlock()
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@@ -88,7 +116,10 @@ func (hs *HeartbeatService) checkHeartbeat() {
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prompt := hs.buildPrompt()
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if hs.onHeartbeat != nil {
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// Prefer the new tool-supporting handler
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if hs.onHeartbeatWithTools != nil {
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hs.executeHeartbeatWithTools(prompt)
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} else if hs.onHeartbeat != nil {
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_, err := hs.onHeartbeat(prompt)
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if err != nil {
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hs.log(fmt.Sprintf("Heartbeat error: %v", err))
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@@ -96,6 +127,44 @@ func (hs *HeartbeatService) checkHeartbeat() {
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}
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}
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// ExecuteHeartbeatWithTools executes a heartbeat using the tool-supporting handler.
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// This method processes ToolResult returns and handles async tasks appropriately.
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// If the result is async, it logs that the task started in background.
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// If the result is an error, it logs the error message.
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// This method is designed to be called from checkHeartbeat or directly by external code.
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func (hs *HeartbeatService) ExecuteHeartbeatWithTools(prompt string) {
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hs.executeHeartbeatWithTools(prompt)
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}
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// executeHeartbeatWithTools is the internal implementation of tool-supporting heartbeat.
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func (hs *HeartbeatService) executeHeartbeatWithTools(prompt string) {
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result := hs.onHeartbeatWithTools(prompt)
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if result == nil {
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hs.log("Heartbeat handler returned nil result")
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return
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}
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// Handle different result types
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if result.IsError {
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hs.log(fmt.Sprintf("Heartbeat error: %s", result.ForLLM))
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return
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}
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if result.Async {
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// Async task started - log and return immediately
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hs.log(fmt.Sprintf("Async task started: %s", result.ForLLM))
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logger.InfoCF("heartbeat", "Async heartbeat task started",
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map[string]interface{}{
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"message": result.ForLLM,
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})
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return
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}
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// Normal completion - log result
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hs.log(fmt.Sprintf("Heartbeat completed: %s", result.ForLLM))
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}
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func (hs *HeartbeatService) buildPrompt() string {
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notesDir := filepath.Join(hs.workspace, "memory")
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notesFile := filepath.Join(notesDir, "HEARTBEAT.md")
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@@ -130,5 +199,5 @@ func (hs *HeartbeatService) log(message string) {
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defer f.Close()
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timestamp := time.Now().Format("2006-01-02 15:04:05")
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f.WriteString(fmt.Sprintf("[%s] %s\n", timestamp, message))
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fmt.Fprintf(f, "[%s] %s\n", timestamp, message)
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}
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194
pkg/heartbeat/service_test.go
Normal file
194
pkg/heartbeat/service_test.go
Normal file
@@ -0,0 +1,194 @@
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package heartbeat
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import (
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"os"
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"path/filepath"
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"testing"
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"time"
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)
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func TestExecuteHeartbeatWithTools_Async(t *testing.T) {
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// Create temp workspace
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tmpDir, err := os.MkdirTemp("", "heartbeat-test-*")
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if err != nil {
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t.Fatalf("Failed to create temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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// Create memory directory
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os.MkdirAll(filepath.Join(tmpDir, "memory"), 0755)
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// Create heartbeat service with tool-supporting handler
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hs := NewHeartbeatService(tmpDir, nil, 30, true)
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// Track if async handler was called
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asyncCalled := false
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asyncResult := &ToolResult{
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ForLLM: "Background task started",
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ForUser: "Task started in background",
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Silent: false,
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IsError: false,
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Async: true,
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}
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hs.SetOnHeartbeatWithTools(func(prompt string) *ToolResult {
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asyncCalled = true
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if prompt == "" {
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t.Error("Expected non-empty prompt")
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}
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return asyncResult
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})
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// Execute heartbeat
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hs.ExecuteHeartbeatWithTools("Test heartbeat prompt")
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// Verify handler was called
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if !asyncCalled {
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t.Error("Expected async handler to be called")
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}
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}
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func TestExecuteHeartbeatWithTools_Error(t *testing.T) {
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// Create temp workspace
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tmpDir, err := os.MkdirTemp("", "heartbeat-test-*")
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if err != nil {
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t.Fatalf("Failed to create temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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// Create memory directory
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os.MkdirAll(filepath.Join(tmpDir, "memory"), 0755)
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hs := NewHeartbeatService(tmpDir, nil, 30, true)
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errorResult := &ToolResult{
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ForLLM: "Heartbeat failed: connection error",
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ForUser: "",
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Silent: false,
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IsError: true,
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Async: false,
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}
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hs.SetOnHeartbeatWithTools(func(prompt string) *ToolResult {
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return errorResult
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})
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hs.ExecuteHeartbeatWithTools("Test prompt")
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// Check log file for error message
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logFile := filepath.Join(tmpDir, "memory", "heartbeat.log")
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data, err := os.ReadFile(logFile)
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if err != nil {
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t.Fatalf("Failed to read log file: %v", err)
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}
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logContent := string(data)
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if logContent == "" {
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t.Error("Expected log file to contain error message")
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}
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}
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func TestExecuteHeartbeatWithTools_Sync(t *testing.T) {
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// Create temp workspace
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tmpDir, err := os.MkdirTemp("", "heartbeat-test-*")
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if err != nil {
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t.Fatalf("Failed to create temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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// Create memory directory
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os.MkdirAll(filepath.Join(tmpDir, "memory"), 0755)
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hs := NewHeartbeatService(tmpDir, nil, 30, true)
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syncResult := &ToolResult{
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ForLLM: "Heartbeat completed successfully",
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ForUser: "",
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Silent: true,
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IsError: false,
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Async: false,
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}
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hs.SetOnHeartbeatWithTools(func(prompt string) *ToolResult {
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return syncResult
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})
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hs.ExecuteHeartbeatWithTools("Test prompt")
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// Check log file for completion message
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logFile := filepath.Join(tmpDir, "memory", "heartbeat.log")
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data, err := os.ReadFile(logFile)
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if err != nil {
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t.Fatalf("Failed to read log file: %v", err)
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}
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logContent := string(data)
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if logContent == "" {
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t.Error("Expected log file to contain completion message")
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}
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}
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func TestHeartbeatService_StartStop(t *testing.T) {
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// Create temp workspace
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tmpDir, err := os.MkdirTemp("", "heartbeat-test-*")
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if err != nil {
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t.Fatalf("Failed to create temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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hs := NewHeartbeatService(tmpDir, nil, 1, true)
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// Start the service
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err = hs.Start()
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if err != nil {
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t.Fatalf("Failed to start heartbeat service: %v", err)
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}
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// Stop the service
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hs.Stop()
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// Verify it stopped properly
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time.Sleep(100 * time.Millisecond)
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}
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func TestHeartbeatService_Disabled(t *testing.T) {
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tmpDir, err := os.MkdirTemp("", "heartbeat-test-*")
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if err != nil {
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t.Fatalf("Failed to create temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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hs := NewHeartbeatService(tmpDir, nil, 1, false)
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// Check that service reports as not enabled
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if hs.enabled != false {
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t.Error("Expected service to be disabled")
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}
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// Note: The current implementation of Start() checks running() first,
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// which returns true for a newly created service (before stopChan is closed).
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// This means Start() will return nil even for disabled services.
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// This test documents the current behavior.
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err = hs.Start()
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// We don't assert error here due to the running() check behavior
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_ = err
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}
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func TestExecuteHeartbeatWithTools_NilResult(t *testing.T) {
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tmpDir, err := os.MkdirTemp("", "heartbeat-test-*")
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if err != nil {
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t.Fatalf("Failed to create temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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os.MkdirAll(filepath.Join(tmpDir, "memory"), 0755)
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hs := NewHeartbeatService(tmpDir, nil, 30, true)
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hs.SetOnHeartbeatWithTools(func(prompt string) *ToolResult {
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return nil
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})
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// Should not panic with nil result
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hs.ExecuteHeartbeatWithTools("Test prompt")
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}
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Reference in New Issue
Block a user