fix(agent): align loop with current bus and message APIs
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xj
parent
3cceb99d22
commit
e6c28b0cbb
1 changed files with 137 additions and 9 deletions
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@ -9,7 +9,9 @@ package agent
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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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"path/filepath"
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"strings"
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"sync"
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"sync/atomic"
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@ -22,6 +24,7 @@ import (
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"github.com/sipeed/picoclaw/pkg/constants"
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"github.com/sipeed/picoclaw/pkg/hooks"
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"github.com/sipeed/picoclaw/pkg/logger"
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"github.com/sipeed/picoclaw/pkg/media"
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"github.com/sipeed/picoclaw/pkg/plugin"
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"github.com/sipeed/picoclaw/pkg/providers"
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"github.com/sipeed/picoclaw/pkg/routing"
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@ -40,6 +43,7 @@ type AgentLoop struct {
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summarizing sync.Map
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fallback *providers.FallbackChain
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channelManager *channels.Manager
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mediaStore media.MediaStore
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hooks *hooks.HookRegistry
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pluginManager *plugin.Manager
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}
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@ -122,13 +126,14 @@ func registerSharedTools(
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// Message tool
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messageTool := tools.NewMessageTool()
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messageTool.SetSendCallback(func(_ context.Context, channel, chatID, content string) error {
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msgBus.PublishOutbound(bus.OutboundMessage{
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messageTool.SetSendCallback(func(channel, chatID, content string) error {
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pubCtx, pubCancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer pubCancel()
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return msgBus.PublishOutbound(pubCtx, bus.OutboundMessage{
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Channel: channel,
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ChatID: chatID,
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Content: content,
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})
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return nil
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})
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agent.Tools.Register(messageTool)
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@ -218,6 +223,41 @@ func (al *AgentLoop) SetChannelManager(cm *channels.Manager) {
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al.channelManager = cm
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}
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// SetMediaStore injects a MediaStore for media lifecycle management.
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func (al *AgentLoop) SetMediaStore(s media.MediaStore) {
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al.mediaStore = s
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}
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// inferMediaType determines the media type ("image", "audio", "video", "file")
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// from a filename and MIME content type.
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func inferMediaType(filename, contentType string) string {
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ct := strings.ToLower(contentType)
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fn := strings.ToLower(filename)
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if strings.HasPrefix(ct, "image/") {
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return "image"
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}
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if strings.HasPrefix(ct, "audio/") || ct == "application/ogg" {
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return "audio"
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}
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if strings.HasPrefix(ct, "video/") {
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return "video"
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}
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// Fallback: infer from extension
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ext := filepath.Ext(fn)
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switch ext {
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case ".jpg", ".jpeg", ".png", ".gif", ".webp", ".bmp", ".svg":
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return "image"
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case ".mp3", ".wav", ".ogg", ".m4a", ".flac", ".aac", ".wma", ".opus":
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return "audio"
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case ".mp4", ".avi", ".mov", ".webm", ".mkv":
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return "video"
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}
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return "file"
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}
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// SetHooks installs a hook registry. Must be called before Run starts.
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func (al *AgentLoop) SetHooks(h *hooks.HookRegistry) error {
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if al.running.Load() {
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@ -231,18 +271,19 @@ func (al *AgentLoop) SetHooks(h *hooks.HookRegistry) error {
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if tool, ok := agent.Tools.Get("message"); ok {
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if mt, ok := tool.(*tools.MessageTool); ok {
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if h == nil {
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mt.SetSendCallback(func(_ context.Context, channel, chatID, content string) error {
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al.bus.PublishOutbound(bus.OutboundMessage{
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mt.SetSendCallback(func(channel, chatID, content string) error {
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pubCtx, pubCancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer pubCancel()
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return al.bus.PublishOutbound(pubCtx, bus.OutboundMessage{
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Channel: channel,
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ChatID: chatID,
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Content: content,
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})
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return nil
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})
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continue
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}
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mt.SetSendCallback(func(ctx context.Context, channel, chatID, content string) error {
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if sent, reason := al.sendOutbound(ctx, bus.OutboundMessage{
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mt.SetSendCallback(func(channel, chatID, content string) error {
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if sent, reason := al.sendOutbound(context.Background(), bus.OutboundMessage{
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Channel: channel,
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ChatID: chatID,
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Content: content,
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@ -290,6 +331,9 @@ func (al *AgentLoop) EnablePlugins(plugins ...plugin.Plugin) error {
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// sendOutbound wraps bus.PublishOutbound with the message_sending hook.
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// Returns whether the message was sent and, if canceled, the cancel reason.
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func (al *AgentLoop) sendOutbound(ctx context.Context, msg bus.OutboundMessage) (bool, string) {
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if ctx == nil {
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ctx = context.Background()
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}
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if al.hooks != nil {
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event := &hooks.MessageSendingEvent{Channel: msg.Channel, ChatID: msg.ChatID, Content: msg.Content}
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al.hooks.TriggerMessageSending(ctx, event)
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@ -308,7 +352,14 @@ func (al *AgentLoop) sendOutbound(ctx context.Context, msg bus.OutboundMessage)
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}
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msg.Content = event.Content
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}
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al.bus.PublishOutbound(msg)
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if err := al.bus.PublishOutbound(ctx, msg); err != nil {
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logger.WarnCF("agent", "Failed to publish outbound message", map[string]any{
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"channel": msg.Channel,
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"chat_id": msg.ChatID,
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"error": err.Error(),
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})
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return false, err.Error()
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}
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return true, ""
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}
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@ -590,6 +641,59 @@ func (al *AgentLoop) runAgentLoop(ctx context.Context, agent *AgentInstance, opt
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return finalContent, nil
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}
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func (al *AgentLoop) targetReasoningChannelID(channelName string) (chatID string) {
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if al.channelManager == nil {
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return ""
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}
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if ch, ok := al.channelManager.GetChannel(channelName); ok {
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return ch.ReasoningChannelID()
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}
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return ""
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}
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func (al *AgentLoop) handleReasoning(ctx context.Context, reasoningContent, channelName, channelID string) {
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if reasoningContent == "" || channelName == "" || channelID == "" {
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return
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}
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// Check context cancellation before attempting to publish,
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// since PublishOutbound's select may race between send and ctx.Done().
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if ctx.Err() != nil {
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return
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}
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// Use a short timeout so the goroutine does not block indefinitely when
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// the outbound bus is full. Reasoning output is best-effort; dropping it
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// is acceptable to avoid goroutine accumulation.
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pubCtx, pubCancel := context.WithTimeout(ctx, 5*time.Second)
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defer pubCancel()
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if err := al.bus.PublishOutbound(pubCtx, bus.OutboundMessage{
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Channel: channelName,
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ChatID: channelID,
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Content: reasoningContent,
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}); err != nil {
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// Treat context.DeadlineExceeded / context.Canceled as expected
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// (bus full under load, or parent canceled). Check the error
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// itself rather than ctx.Err(), because pubCtx may time out
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// (5 s) while the parent ctx is still active.
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// Also treat ErrBusClosed as expected — it occurs during normal
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// shutdown when the bus is closed before all goroutines finish.
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if errors.Is(err, context.DeadlineExceeded) || errors.Is(err, context.Canceled) ||
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errors.Is(err, bus.ErrBusClosed) {
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logger.DebugCF("agent", "Reasoning publish skipped (timeout/cancel)", map[string]any{
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"channel": channelName,
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"error": err.Error(),
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})
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} else {
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logger.WarnCF("agent", "Failed to publish reasoning (best-effort)", map[string]any{
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"channel": channelName,
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"error": err.Error(),
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})
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}
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}
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}
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// runLLMIteration executes the LLM call loop with tool handling.
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func (al *AgentLoop) runLLMIteration(
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ctx context.Context,
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@ -729,6 +833,8 @@ func (al *AgentLoop) runLLMIteration(
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return "", iteration, fmt.Errorf("LLM call failed after retries: %w", err)
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}
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go al.handleReasoning(ctx, response.Reasoning, opts.Channel, al.targetReasoningChannelID(opts.Channel))
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// Fire llm_output hook
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if al.hooks != nil {
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al.hooks.TriggerLLMOutput(ctx, &hooks.LLMOutputEvent{
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@ -915,6 +1021,28 @@ func (al *AgentLoop) runLLMIteration(
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})
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}
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// If tool returned media refs, publish them as outbound media
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if len(toolResult.Media) > 0 && opts.SendResponse {
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parts := make([]bus.MediaPart, 0, len(toolResult.Media))
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for _, ref := range toolResult.Media {
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part := bus.MediaPart{Ref: ref}
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// Populate metadata from MediaStore when available
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if al.mediaStore != nil {
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if _, meta, err := al.mediaStore.ResolveWithMeta(ref); err == nil {
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part.Filename = meta.Filename
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part.ContentType = meta.ContentType
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part.Type = inferMediaType(meta.Filename, meta.ContentType)
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}
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}
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parts = append(parts, part)
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}
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_ = al.bus.PublishOutboundMedia(ctx, bus.OutboundMediaMessage{
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Channel: opts.Channel,
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ChatID: opts.ChatID,
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Parts: parts,
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})
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}
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// Determine content for LLM based on tool result
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contentForLLM := toolResult.ForLLM
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if contentForLLM == "" && toolResult.Err != nil {
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