refactor(agent): decompose AgentLoop into focused single-responsibility modules
The monolithic loop.go (previously ~2500 LOC with a FIXME to decompose it) has been split into five focused files following the Ports-and-Adapters principle. loop.go is now a thin orchestrator (~300 LOC) that wires the components together. New files: - pkg/agent/agent_run.go: core run path — prepareRuntimeState, runAgentLoop, assembleContext, resolveFinalContent, and the Generate/Stream dispatch. Owns conversationIDs writes and activeSessionKey writes. - pkg/agent/command_handler.go: slash-command registry (SlashCommand type), built-in /help, /models, /clear, /memory, /debug handlers, and the dispatchCommand entry point. - pkg/agent/helpers.go: stateless helper functions shared across the package — initSecretStore, loadIdentityDocs, seedSystemPrompt, buildDenyPatterns, resolveModelForChannel, and similar utilities. - pkg/agent/message_router.go: inbound message routing — RecordLastChannel, RecordLastChatID, RouteMessage, and the channel-specific dispatch logic that was previously embedded in the main loop. - pkg/agent/summarizer.go: async session summarization — forceCompression, summarizeSession, and the summarizing/summarizeFailures sync.Map owners. Updated files: - pkg/agent/loop.go: stripped to struct definition, NewAgentLoop constructor, Run/Stop lifecycle, and field ownership comments; removed the FIXME banner. - pkg/agent/context.go: minor import cleanup. - pkg/agent/toolloop.go: minor import cleanup. - pkg/agent/loop_test.go: updated test helpers for new file layout.
This commit is contained in:
ZanzyTHEbar
parent
17f5143674
commit
99c9052308
9 changed files with 1637 additions and 1385 deletions
543
pkg/agent/agent_run.go
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543
pkg/agent/agent_run.go
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@ -0,0 +1,543 @@
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// assembledContext holds the pre-processed context produced by assembleContext,
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// consumed by both the Generate and Stream code paths.
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package agent
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"time"
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fantasy "charm.land/fantasy"
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"github.com/ZanzyTHEbar/dragonscale/pkg"
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"github.com/ZanzyTHEbar/dragonscale/pkg/bus"
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"github.com/ZanzyTHEbar/dragonscale/pkg/constants"
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picofantasy "github.com/ZanzyTHEbar/dragonscale/pkg/fantasy"
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"github.com/ZanzyTHEbar/dragonscale/pkg/ids"
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"github.com/ZanzyTHEbar/dragonscale/pkg/logger"
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"github.com/ZanzyTHEbar/dragonscale/pkg/memory"
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memsqlc "github.com/ZanzyTHEbar/dragonscale/pkg/memory/sqlc"
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"github.com/ZanzyTHEbar/dragonscale/pkg/messages"
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"github.com/ZanzyTHEbar/dragonscale/pkg/tools"
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"github.com/ZanzyTHEbar/dragonscale/pkg/utils"
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)
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type assembledContext struct {
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systemPrompt string
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userPrompt string
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fantasyHistory []fantasy.Message
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adaptedTools []fantasy.AgentTool
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agent fantasy.Agent
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}
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func (al *AgentLoop) prepareRuntimeState(ctx context.Context, sessionKey string) (ids.UUID, ids.UUID, error) {
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if al.queries == nil || al.stateStore == nil || al.kvDelegate == nil {
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return ids.UUID{}, ids.UUID{}, errors.New("runtime persistence dependencies are not initialized")
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}
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if strings.TrimSpace(sessionKey) == "" {
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return ids.UUID{}, ids.UUID{}, errors.New("session key is required")
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}
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var conversationID ids.UUID
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if cached, ok := al.conversationIDs.Load(sessionKey); ok {
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conversationID = cached.(ids.UUID)
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} else {
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al.conversationMu.Lock()
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defer al.conversationMu.Unlock()
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if cached, ok := al.conversationIDs.Load(sessionKey); ok {
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conversationID = cached.(ids.UUID)
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} else {
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conversationID = ids.New()
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title := sessionKey
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if _, err := al.queries.CreateAgentConversation(ctx, memsqlc.CreateAgentConversationParams{
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ID: conversationID,
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Title: &title,
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}); err != nil {
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return ids.UUID{}, ids.UUID{}, fmt.Errorf("create agent conversation: %w", err)
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}
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al.conversationIDs.Store(sessionKey, conversationID)
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}
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}
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run, err := al.stateStore.CreateRun(ctx, conversationID)
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if err != nil {
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return ids.UUID{}, ids.UUID{}, fmt.Errorf("create agent run: %w", err)
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}
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return conversationID, run.ID, nil
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}
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// assembleContext performs the shared pre-processing for every agent turn:
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// record channel, update tool contexts, load memory blocks, build messages,
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// DAG-compress history, split into system/history/user, adapt tools, create Fantasy agent.
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func (al *AgentLoop) assembleContext(ctx context.Context, opts processOptions) (assembledContext, error) {
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if err := al.recordChannelState(ctx, opts); err != nil {
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logger.WarnCF("agent", "Failed to record last channel: %v", map[string]interface{}{"error": err.Error()})
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}
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logger.DebugCF("agent", "assembleContext: starting",
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map[string]interface{}{
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"session_key": opts.SessionKey,
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"channel": opts.Channel,
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"sender_id": opts.SenderID,
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})
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al.refreshContextBlocks(ctx, opts)
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history, summary := al.loadSessionState(ctx, opts)
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builtMsgs := al.buildPromptMessages(opts, history, summary)
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systemPrompt, historyMsgs, userPrompt := al.splitMessages(opts, builtMsgs)
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logger.DebugCF("agent", "assembleContext: history messages",
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map[string]interface{}{
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"history": formatMessagesForLog(historyMsgs),
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})
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fantasyHistory := picofantasy.MessagesToFantasy(historyMsgs)
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adaptedTools, prepareStep := al.prepareToolset(ctx, opts)
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agent, err := al.createFantasyAgent(ctx, opts, systemPrompt, adaptedTools, prepareStep)
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if err != nil {
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return assembledContext{}, err
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}
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logger.DebugCF("agent", "Fantasy agent created",
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map[string]interface{}{
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"model": al.model,
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"tools_count": len(adaptedTools),
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"history_count": len(historyMsgs),
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"max_iterations": al.maxIterations,
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"memory_enabled": true,
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})
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return assembledContext{
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systemPrompt: systemPrompt,
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userPrompt: userPrompt,
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fantasyHistory: fantasyHistory,
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adaptedTools: adaptedTools,
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agent: agent,
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}, nil
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}
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func (al *AgentLoop) recordChannelState(ctx context.Context, opts processOptions) error {
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if opts.Channel == "" || opts.ChatID == "" {
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return nil
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}
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if constants.IsInternalChannel(opts.Channel) {
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return nil
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}
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channelKey := fmt.Sprintf("%s:%s", opts.Channel, opts.ChatID)
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return al.RecordLastChannel(ctx, channelKey)
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}
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func (al *AgentLoop) refreshContextBlocks(ctx context.Context, opts processOptions) {
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al.updateToolContexts(opts.Channel, opts.ChatID)
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block := al.obsManager.LoadBlock(ctx, opts.SessionKey)
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al.contextBuilder.SetObservationBlock(block)
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kb := tools.LoadKnowledgeBlock(ctx, al.memDelegate, opts.SessionKey)
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al.contextBuilder.SetKnowledgeBlock(kb)
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if al.identitySync != nil {
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_ = al.identitySync.CheckAndSync(ctx)
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}
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}
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func (al *AgentLoop) loadSessionState(ctx context.Context, opts processOptions) ([]messages.Message, string) {
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var history []messages.Message
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var summary string
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if !opts.NoHistory {
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history = al.sessions.GetHistory(opts.SessionKey)
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summary = al.sessions.GetSummary(opts.SessionKey)
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}
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return al.applyDAGCompression(ctx, opts.SessionKey, history), summary
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}
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func (al *AgentLoop) buildPromptMessages(opts processOptions, history []messages.Message, summary string) []messages.Message {
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builtMsgs := al.contextBuilder.BuildMessages(history, summary, opts.UserMessage, nil, opts.Channel, opts.ChatID)
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al.sessions.AddMessage(opts.SessionKey, "user", opts.UserMessage)
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return builtMsgs
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}
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func (al *AgentLoop) splitMessages(opts processOptions, builtMsgs []messages.Message) (string, []messages.Message, string) {
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systemPrompt := ""
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var historyMsgs []messages.Message
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userPrompt := opts.UserMessage
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if len(builtMsgs) > 0 && builtMsgs[0].Role == "system" {
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systemPrompt = builtMsgs[0].Content
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if len(builtMsgs) > 2 {
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historyMsgs = builtMsgs[1 : len(builtMsgs)-1]
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}
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}
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return systemPrompt, historyMsgs, userPrompt
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}
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func (al *AgentLoop) prepareToolset(ctx context.Context, opts processOptions) ([]fantasy.AgentTool, func(context.Context, fantasy.PrepareStepFunctionOptions) (context.Context, fantasy.PrepareStepResult, error)) {
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adaptCfg := picofantasy.AdaptedToolsConfig{
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MemStore: al.memoryStore,
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AgentID: pkg.NAME,
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SessionKey: opts.SessionKey,
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}
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adaptedTools := picofantasy.BuildAdaptedTools(al.tools, al.bus, opts.Channel, opts.ChatID, adaptCfg)
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if al.toolResultSearch != nil {
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adaptedTools = append(adaptedTools, al.toolResultSearch)
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}
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promotedSet := make(map[string]bool)
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for _, at := range adaptedTools {
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promotedSet[at.Info().Name] = true
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}
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registry := al.tools
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msgBus := al.bus
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channel := opts.Channel
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chatID := opts.ChatID
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prepareStep := func(ctx context.Context, psOpts fantasy.PrepareStepFunctionOptions) (context.Context, fantasy.PrepareStepResult, error) {
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_ = psOpts
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discovered := registry.DrainDiscovered()
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if len(discovered) == 0 {
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return ctx, fantasy.PrepareStepResult{}, nil
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}
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newTools := make([]tools.Tool, 0, len(discovered))
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for _, t := range discovered {
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if promotedSet[t.Name()] {
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continue
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}
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newTools = append(newTools, t)
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promotedSet[t.Name()] = true
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}
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if len(newTools) == 0 {
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return ctx, fantasy.PrepareStepResult{}, nil
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}
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newAdapted := picofantasy.AdaptTools(newTools, msgBus, channel, chatID, adaptCfg)
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expanded := append(adaptedTools, newAdapted...)
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adaptedTools = expanded
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logger.InfoCF("agent", "Dynamic tool promotion via PrepareStep",
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map[string]interface{}{
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"promoted": len(newTools),
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"total_tools": len(expanded),
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"names": toolNames(newTools),
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})
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return ctx, fantasy.PrepareStepResult{
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Tools: expanded,
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}, nil
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}
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return adaptedTools, prepareStep
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}
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func (al *AgentLoop) createFantasyAgent(ctx context.Context, opts processOptions, systemPrompt string, adaptedTools []fantasy.AgentTool, prepareStep func(context.Context, fantasy.PrepareStepFunctionOptions) (context.Context, fantasy.PrepareStepResult, error)) (fantasy.Agent, error) {
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conversationID, runID, err := al.prepareRuntimeState(ctx, opts.SessionKey)
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if err != nil {
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return nil, err
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}
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baseRuntime := OffloadingToolRuntime{
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Base: fantasy.DAGToolRuntime{MaxConcurrency: defaultToolMaxConcurrency},
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KV: al.kvDelegate,
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Queries: al.queries,
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ConversationID: conversationID,
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RunID: runID,
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}
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toolRuntime := SecureBusToolRuntime{
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Base: baseRuntime,
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Bus: al.secureBus,
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SessionKey: opts.SessionKey,
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StateStore: al.stateStore,
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RunID: runID,
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}
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agentOpts := []fantasy.AgentOption{
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fantasy.WithTools(adaptedTools...),
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fantasy.WithStopConditions(fantasy.StepCountIs(al.maxIterations)),
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fantasy.WithPrepareStep(prepareStep),
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fantasy.WithToolRuntime(toolRuntime),
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}
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if systemPrompt != "" {
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agentOpts = append(agentOpts, fantasy.WithSystemPrompt(systemPrompt))
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}
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return fantasy.NewAgent(al.languageModel, agentOpts...), nil
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}
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// postProcess handles the common finalization after Generate or Stream:
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// extract final text, save session, summarize, observe, optionally send response.
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func (al *AgentLoop) postProcess(ctx context.Context, opts processOptions, finalContent string, stepCount int) string {
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al.sessions.Save(opts.SessionKey)
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if opts.EnableSummary {
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al.maybeSummarize(ctx, opts.SessionKey, opts.Channel, opts.ChatID)
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}
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tail := al.sessionsToMessagePairs(opts.SessionKey)
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al.obsManager.MaybeObserveAsync(ctx, opts.SessionKey, tail)
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if opts.SendResponse {
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al.bus.PublishOutbound(bus.OutboundMessage{
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Channel: opts.Channel,
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ChatID: opts.ChatID,
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Content: finalContent,
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})
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}
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responsePreview := utils.Truncate(finalContent, 120)
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logger.InfoCF("agent", fmt.Sprintf("Response: %s", responsePreview),
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map[string]interface{}{
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"session_key": opts.SessionKey,
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"steps": stepCount,
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"final_length": len(finalContent),
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})
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return finalContent
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}
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// resolveFinalContent normalizes the final assistant response from an agent run.
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// Some providers return an empty final response even though an earlier step
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// already produced text. In that case, recover the latest non-empty text from
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// steps. If no text exists at all, return a deterministic error.
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func (al *AgentLoop) resolveFinalContent(finalContent string, steps []fantasy.StepResult) (string, error) {
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trimmed := strings.TrimSpace(finalContent)
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if trimmed != "" {
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return trimmed, nil
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}
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for i := len(steps) - 1; i >= 0; i-- {
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stepText := strings.TrimSpace(steps[i].Content.Text())
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if stepText != "" {
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logger.WarnCF("agent", "Recovered empty final response from prior step text",
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map[string]interface{}{
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"step_index": i,
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})
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return stepText, nil
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}
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}
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type candidate struct {
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text string
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score int
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}
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candidates := make([]candidate, 0, 8)
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for i := len(steps) - 1; i >= 0; i-- {
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toolResults := steps[i].Content.ToolResults()
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for j := len(toolResults) - 1; j >= 0; j-- {
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tr := toolResults[j]
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switch out := tr.Result.(type) {
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case fantasy.ToolResultOutputContentText:
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txt := strings.TrimSpace(out.Text)
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if txt != "" {
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score := 2
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if tr.ToolName == "tool_search" || strings.Contains(strings.ToLower(txt), "\"kind\":\"tool\"") {
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score = 0
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}
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if strings.Contains(strings.ToLower(txt), "tool not found") ||
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strings.Contains(strings.ToLower(txt), "path is required") {
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score = -1
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}
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candidates = append(candidates, candidate{text: txt, score: score})
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}
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case fantasy.ToolResultOutputContentError:
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if out.Error != nil {
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txt := strings.TrimSpace(out.Error.Error())
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if txt != "" {
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candidates = append(candidates, candidate{text: txt, score: -1})
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}
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}
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case fantasy.ToolResultOutputContentMedia:
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txt := strings.TrimSpace(out.Text)
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if txt != "" {
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candidates = append(candidates, candidate{text: txt, score: 1})
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}
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}
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if len(candidates) >= 8 {
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break
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}
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}
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if len(candidates) >= 8 {
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break
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}
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}
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bestText := ""
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bestScore := -1000
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for _, c := range candidates {
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if c.score > bestScore {
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bestScore = c.score
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bestText = c.text
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}
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}
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if bestText != "" && bestScore > 0 {
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logger.WarnCF("agent", "Recovered empty final response from tool results",
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map[string]interface{}{
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"candidates": len(candidates),
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"score": bestScore,
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})
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return bestText, nil
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}
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toolCalls := 0
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for _, step := range steps {
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toolCalls += len(step.Content.ToolCalls())
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}
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return "", fmt.Errorf("agent produced no final response text (steps=%d, tool_calls=%d)", len(steps), toolCalls)
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}
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// runAgentLoop is the core message processing logic.
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// It delegates to assembleContext for shared pre-processing, then branches on
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// opts.Streaming to either Generate (synchronous) or Stream (real-time deltas).
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func (al *AgentLoop) runAgentLoop(ctx context.Context, opts processOptions) (string, error) {
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al.activeSessionKey.Store(opts.SessionKey)
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ac, err := al.assembleContext(ctx, opts)
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if err != nil {
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return "", err
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}
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if opts.Streaming {
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return al.runStreaming(ctx, opts, ac)
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}
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result, err := ac.agent.Generate(ctx, fantasy.AgentCall{
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Prompt: ac.userPrompt,
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Messages: ac.fantasyHistory,
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})
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if err != nil {
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logger.ErrorCF("agent", "Fantasy Generate failed",
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map[string]interface{}{"error": err.Error()})
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return "", fmt.Errorf("agent Generate failed: %w", err)
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}
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for _, step := range result.Steps {
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stepMsgs := picofantasy.StepToMessages(step)
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for _, m := range stepMsgs {
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al.sessions.AddFullMessage(opts.SessionKey, m)
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}
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al.auditStep(ctx, step, opts.SessionKey)
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}
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finalContent, err := al.resolveFinalContent(result.Response.Content.Text(), result.Steps)
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if err != nil {
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logger.ErrorCF("agent", "Agent finished without final response text",
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map[string]interface{}{
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"error": err.Error(),
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"steps": len(result.Steps),
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})
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return "", err
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}
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return al.postProcess(ctx, opts, finalContent, len(result.Steps)), nil
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}
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// runStreaming uses Fantasy's agent.Stream() to stream token deltas to the bus
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// in real time, using the pre-assembled context from assembleContext.
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func (al *AgentLoop) runStreaming(ctx context.Context, opts processOptions, ac assembledContext) (string, error) {
|
||||
streamCall := fantasy.AgentStreamCall{
|
||||
Prompt: ac.userPrompt,
|
||||
Messages: ac.fantasyHistory,
|
||||
|
||||
OnTextDelta: func(id, text string) error {
|
||||
if opts.Channel != "" && opts.ChatID != "" {
|
||||
al.bus.PublishOutbound(bus.OutboundMessage{
|
||||
Channel: opts.Channel,
|
||||
ChatID: opts.ChatID,
|
||||
Content: text,
|
||||
StreamDelta: true,
|
||||
})
|
||||
}
|
||||
return nil
|
||||
},
|
||||
|
||||
OnStepFinish: func(step fantasy.StepResult) error {
|
||||
stepMsgs := picofantasy.StepToMessages(step)
|
||||
for _, m := range stepMsgs {
|
||||
al.sessions.AddFullMessage(opts.SessionKey, m)
|
||||
}
|
||||
al.auditStep(ctx, step, opts.SessionKey)
|
||||
return nil
|
||||
},
|
||||
|
||||
OnToolCall: func(tc fantasy.ToolCallContent) error {
|
||||
logger.DebugCF("agent", "Streaming tool call",
|
||||
map[string]interface{}{
|
||||
"tool": tc.ToolName,
|
||||
"id": tc.ToolCallID,
|
||||
})
|
||||
return nil
|
||||
},
|
||||
}
|
||||
|
||||
result, err := ac.agent.Stream(ctx, streamCall)
|
||||
if err != nil {
|
||||
logger.ErrorCF("agent", "Fantasy Stream failed",
|
||||
map[string]interface{}{"error": err.Error()})
|
||||
return "", fmt.Errorf("agent Stream failed: %w", err)
|
||||
}
|
||||
|
||||
finalContent, err := al.resolveFinalContent(result.Response.Content.Text(), result.Steps)
|
||||
if err != nil {
|
||||
logger.ErrorCF("agent", "Streaming agent finished without final response text",
|
||||
map[string]interface{}{
|
||||
"error": err.Error(),
|
||||
"steps": len(result.Steps),
|
||||
})
|
||||
return "", err
|
||||
}
|
||||
return al.postProcess(ctx, opts, finalContent, len(result.Steps)), nil
|
||||
}
|
||||
|
||||
// runLLMIteration — DELETED. Replaced by Fantasy's internal agent loop.
|
||||
|
||||
// auditStep logs tool calls from a Fantasy step result to the audit log.
|
||||
func (al *AgentLoop) auditStep(ctx context.Context, step fantasy.StepResult, sessionKey string) {
|
||||
toolCalls := step.Content.ToolCalls()
|
||||
if len(toolCalls) == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
for _, tc := range toolCalls {
|
||||
entry := &memory.AuditEntry{
|
||||
ID: ids.New(),
|
||||
AgentID: pkg.NAME,
|
||||
SessionKey: sessionKey,
|
||||
Action: "tool_call",
|
||||
Target: tc.ToolName,
|
||||
Input: tc.Input,
|
||||
}
|
||||
aCtx, cancel := context.WithTimeout(ctx, time.Second)
|
||||
if err := al.memDelegate.InsertAuditEntry(aCtx, entry); err != nil {
|
||||
logger.WarnCF("agent", "Failed to log audit entry",
|
||||
map[string]interface{}{"tool": tc.ToolName, "error": err.Error()})
|
||||
}
|
||||
cancel()
|
||||
}
|
||||
}
|
||||
|
||||
// updateToolContexts updates the context for tools that need channel/chatID info.
|
||||
func (al *AgentLoop) updateToolContexts(channel, chatID string) {
|
||||
// Use ContextualTool interface instead of type assertions
|
||||
if tool, ok := al.tools.Get("message"); ok {
|
||||
if mt, ok := tool.(tools.ContextualTool); ok {
|
||||
mt.SetContext(channel, chatID)
|
||||
}
|
||||
}
|
||||
if tool, ok := al.tools.Get("spawn"); ok {
|
||||
if st, ok := tool.(tools.ContextualTool); ok {
|
||||
st.SetContext(channel, chatID)
|
||||
}
|
||||
}
|
||||
if tool, ok := al.tools.Get("subagent"); ok {
|
||||
if st, ok := tool.(tools.ContextualTool); ok {
|
||||
st.SetContext(channel, chatID)
|
||||
}
|
||||
}
|
||||
}
|
||||
225
pkg/agent/command_handler.go
Normal file
225
pkg/agent/command_handler.go
Normal file
|
|
@ -0,0 +1,225 @@
|
|||
package agent
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/bus"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/config"
|
||||
)
|
||||
|
||||
// SlashCommand defines an in-agent command.
|
||||
type SlashCommand struct {
|
||||
Name string
|
||||
Description string
|
||||
Usage string
|
||||
Handler func(al *AgentLoop, ctx context.Context, msg bus.InboundMessage, args []string) string
|
||||
}
|
||||
|
||||
// listConfiguredModels returns a human-readable summary of which providers
|
||||
// have API credentials configured, and the current default model.
|
||||
func listConfiguredModels(cfg *config.Config) string {
|
||||
if cfg == nil {
|
||||
return "No configuration available."
|
||||
}
|
||||
|
||||
current := fmt.Sprintf("Current model: %s", cfg.Agents.Defaults.Model)
|
||||
if cfg.Agents.Defaults.Provider != "" {
|
||||
current += fmt.Sprintf(" (provider: %s)", cfg.Agents.Defaults.Provider)
|
||||
}
|
||||
|
||||
configured := cfg.Providers.ConfiguredNames()
|
||||
if len(configured) == 0 {
|
||||
return current + "\nNo providers configured — set API keys in config.json or environment variables."
|
||||
}
|
||||
|
||||
return current + "\nConfigured providers: " + strings.Join(configured, ", ")
|
||||
}
|
||||
|
||||
func defaultSlashCommands() []SlashCommand {
|
||||
return []SlashCommand{
|
||||
{
|
||||
Name: "/show",
|
||||
Description: "Display current settings.",
|
||||
Usage: "/show [model|channel]",
|
||||
Handler: func(al *AgentLoop, _ context.Context, msg bus.InboundMessage, args []string) string {
|
||||
if len(args) < 1 {
|
||||
return "Usage: /show [model|channel]"
|
||||
}
|
||||
switch args[0] {
|
||||
case "model":
|
||||
return fmt.Sprintf("Current model: %s", al.model)
|
||||
case "channel":
|
||||
parts := []string{fmt.Sprintf("Current channel: %s", msg.Channel)}
|
||||
if override, ok := al.getOutputTarget(); ok {
|
||||
parts = append(parts, fmt.Sprintf("Output redirect: %s:%s", override.Channel, override.ChatID))
|
||||
} else {
|
||||
parts = append(parts, "Output redirect: default")
|
||||
}
|
||||
return strings.Join(parts, "\n")
|
||||
default:
|
||||
return fmt.Sprintf("Unknown show target: %s", args[0])
|
||||
}
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "/list",
|
||||
Description: "List configured providers or enabled channels.",
|
||||
Usage: "/list [models|channels]",
|
||||
Handler: func(al *AgentLoop, _ context.Context, _ bus.InboundMessage, args []string) string {
|
||||
if len(args) < 1 {
|
||||
return "Usage: /list [models|channels]"
|
||||
}
|
||||
switch args[0] {
|
||||
case "models":
|
||||
return listConfiguredModels(al.cfg)
|
||||
case "channels":
|
||||
if al.channelManager == nil {
|
||||
return "Channel manager not initialized"
|
||||
}
|
||||
channels := al.channelManager.GetEnabledChannels()
|
||||
if len(channels) == 0 {
|
||||
return "No channels enabled"
|
||||
}
|
||||
return fmt.Sprintf("Enabled channels: %s", strings.Join(channels, ", "))
|
||||
default:
|
||||
return fmt.Sprintf("Unknown list target: %s", args[0])
|
||||
}
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "/switch",
|
||||
Description: "Switch model or target channel alias.",
|
||||
Usage: "/switch [model|channel] to <name>",
|
||||
Handler: func(al *AgentLoop, ctx context.Context, _ bus.InboundMessage, args []string) string {
|
||||
if len(args) < 3 || args[1] != "to" {
|
||||
return "Usage: /switch [model|channel] to <name>"
|
||||
}
|
||||
target := args[0]
|
||||
value := args[2]
|
||||
switch target {
|
||||
case "model":
|
||||
oldModel := al.model
|
||||
al.model = value
|
||||
return fmt.Sprintf("Switched model from %s to %s", oldModel, value)
|
||||
case "channel":
|
||||
return al.handleSwitchChannel(ctx, value)
|
||||
default:
|
||||
return fmt.Sprintf("Unknown switch target: %s", target)
|
||||
}
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "/help",
|
||||
Description: "List available slash commands.",
|
||||
Usage: "/help [command]",
|
||||
Handler: func(al *AgentLoop, _ context.Context, _ bus.InboundMessage, args []string) string {
|
||||
if len(args) == 0 {
|
||||
lines := make([]string, 0, len(al.commandRegistry)+1)
|
||||
lines = append(lines, "Available slash commands:")
|
||||
for _, cmd := range al.commandRegistry {
|
||||
lines = append(lines, fmt.Sprintf(" %s - %s (%s)", cmd.Usage, cmd.Description, cmd.Name))
|
||||
}
|
||||
return strings.Join(lines, "\n")
|
||||
}
|
||||
target := args[0]
|
||||
if !strings.HasPrefix(target, "/") {
|
||||
target = "/" + target
|
||||
}
|
||||
for _, cmd := range al.commandRegistry {
|
||||
if cmd.Name == target {
|
||||
return fmt.Sprintf("%s - %s", cmd.Usage, cmd.Description)
|
||||
}
|
||||
}
|
||||
return fmt.Sprintf("Unknown command: %s", target)
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func (al *AgentLoop) parseSwitchChannelTarget(target string) (string, string) {
|
||||
channel := strings.TrimSpace(target)
|
||||
chatID := ""
|
||||
if idx := strings.Index(channel, ":"); idx >= 0 {
|
||||
chatID = strings.TrimSpace(channel[idx+1:])
|
||||
channel = strings.TrimSpace(channel[:idx])
|
||||
}
|
||||
return channel, chatID
|
||||
}
|
||||
|
||||
func (al *AgentLoop) handleSwitchChannel(ctx context.Context, target string) string {
|
||||
channel, chatID := al.parseSwitchChannelTarget(target)
|
||||
if channel == "" {
|
||||
return "Usage: /switch channel to <name>[:chat_id]"
|
||||
}
|
||||
|
||||
if channel == "cli" {
|
||||
al.outputOverride.Store(outputTarget{})
|
||||
if al.state != nil {
|
||||
_ = al.state.SetLastChannel(ctx, "cli")
|
||||
_ = al.state.SetLastChatID(ctx, "")
|
||||
}
|
||||
return "Cleared output channel override to CLI defaults"
|
||||
}
|
||||
|
||||
if al.channelManager == nil {
|
||||
return "Channel manager not initialized"
|
||||
}
|
||||
if _, exists := al.channelManager.GetChannel(channel); !exists {
|
||||
return fmt.Sprintf("Channel '%s' not found or not enabled", channel)
|
||||
}
|
||||
|
||||
if chatID == "" {
|
||||
if al.state == nil {
|
||||
return "No chat ID available for channel target. Use /switch channel to <channel:chat_id>"
|
||||
}
|
||||
chatID = al.state.GetLastChatID()
|
||||
}
|
||||
if chatID == "" {
|
||||
return "No chat ID available for channel target. Use /switch channel to <channel:chat_id>"
|
||||
}
|
||||
|
||||
al.outputOverride.Store(outputTarget{
|
||||
Channel: channel,
|
||||
ChatID: chatID,
|
||||
})
|
||||
if al.state != nil {
|
||||
if err := al.state.SetLastChannel(ctx, channel); err != nil {
|
||||
return fmt.Sprintf("Output redirection set to %s:%s, but failed to persist channel: %v", channel, chatID, err)
|
||||
}
|
||||
if err := al.state.SetLastChatID(ctx, chatID); err != nil {
|
||||
return fmt.Sprintf("Output redirection set to %s:%s, but failed to persist chat id: %v", channel, chatID, err)
|
||||
}
|
||||
}
|
||||
|
||||
return fmt.Sprintf("Switched target channel to %s:%s", channel, chatID)
|
||||
}
|
||||
|
||||
// handleCommand processes slash commands and returns (response, handled).
|
||||
func (al *AgentLoop) handleCommand(ctx context.Context, msg bus.InboundMessage) (string, bool) {
|
||||
content := strings.TrimSpace(msg.Content)
|
||||
if !strings.HasPrefix(content, "/") {
|
||||
return "", false
|
||||
}
|
||||
|
||||
parts := strings.Fields(content)
|
||||
if len(parts) == 0 {
|
||||
return "", false
|
||||
}
|
||||
|
||||
cmd := parts[0]
|
||||
args := parts[1:]
|
||||
|
||||
for _, command := range al.commandRegistry {
|
||||
if command.Name != cmd {
|
||||
continue
|
||||
}
|
||||
if command.Handler == nil {
|
||||
return "Command is not implemented", true
|
||||
}
|
||||
return command.Handler(al, ctx, msg, args), true
|
||||
}
|
||||
|
||||
return "", false
|
||||
}
|
||||
|
|
@ -9,6 +9,7 @@ import (
|
|||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/config"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/logger"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/memory"
|
||||
|
|
@ -273,7 +274,7 @@ func (cb *ContextBuilder) LoadBootstrapFiles() string {
|
|||
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
||||
defer cancel()
|
||||
|
||||
docs, err := cb.delegate.ListDocumentsByCategory(ctx, "dragonscale", "bootstrap")
|
||||
docs, err := cb.delegate.ListDocumentsByCategory(ctx, pkg.NAME, "bootstrap")
|
||||
if err != nil || len(docs) == 0 {
|
||||
return ""
|
||||
}
|
||||
|
|
@ -299,7 +300,7 @@ func (cb *ContextBuilder) buildWorkingContextSection() string {
|
|||
var parts []string
|
||||
|
||||
// Inject working context (hot tier)
|
||||
wc, err := cb.memoryStore.GetWorkingContext(ctx, "dragonscale", "default")
|
||||
wc, err := cb.memoryStore.GetWorkingContext(ctx, pkg.NAME, "default")
|
||||
if err == nil && wc != "" {
|
||||
parts = append(parts, "## Working Context\n\n"+wc)
|
||||
}
|
||||
|
|
|
|||
126
pkg/agent/helpers.go
Normal file
126
pkg/agent/helpers.go
Normal file
|
|
@ -0,0 +1,126 @@
|
|||
package agent
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"path/filepath"
|
||||
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/bus"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/config"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/logger"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/messages"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/security"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/tools"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/utils"
|
||||
)
|
||||
|
||||
func initSecretStore() (*security.SecretStore, error) {
|
||||
cfgDir, err := config.ConfigDir()
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("resolve config dir: %w", err)
|
||||
}
|
||||
|
||||
secretsPath := filepath.Join(cfgDir, "secrets.json")
|
||||
keyring := security.NewEnvKeyring(security.MasterKeyEnvVar)
|
||||
ss, err := security.NewSecretStore(secretsPath, keyring)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("initialize secret store: %w", err)
|
||||
}
|
||||
|
||||
if os.Getenv(security.MasterKeyEnvVar) == "" {
|
||||
logger.WarnCF("security", "master key env var is not set; secret injection requiring stored secrets will fail",
|
||||
map[string]interface{}{"env_var": security.MasterKeyEnvVar})
|
||||
}
|
||||
return ss, nil
|
||||
}
|
||||
|
||||
// createToolRegistry creates a tool registry with common tools.
|
||||
// createToolRegistry builds the base tool set (filesystem, shell, web, etc.).
|
||||
// Parent and subagent registries start from the same base; memory/search/skill
|
||||
// tools are registered separately on each so they have isolated discovery state.
|
||||
func createToolRegistry(workspace string, restrict bool, cfg *config.Config, msgBus *bus.MessageBus) *tools.ToolRegistry {
|
||||
registry := tools.NewToolRegistry()
|
||||
|
||||
// File system tools
|
||||
registry.Register(tools.NewReadFileTool(workspace, restrict))
|
||||
registry.Register(tools.NewWriteFileTool(workspace, restrict))
|
||||
registry.Register(tools.NewListDirTool(workspace, restrict))
|
||||
registry.Register(tools.NewEditFileTool(workspace, restrict))
|
||||
registry.Register(tools.NewAppendFileTool(workspace, restrict))
|
||||
|
||||
// Shell execution
|
||||
registry.Register(tools.NewExecTool(workspace, restrict))
|
||||
|
||||
if searchTool := tools.NewWebSearchTool(tools.WebSearchToolOptions{
|
||||
BraveAPIKey: cfg.Tools.Web.Brave.APIKey,
|
||||
BraveMaxResults: cfg.Tools.Web.Brave.MaxResults,
|
||||
BraveEnabled: cfg.Tools.Web.Brave.Enabled,
|
||||
DuckDuckGoMaxResults: cfg.Tools.Web.DuckDuckGo.MaxResults,
|
||||
DuckDuckGoEnabled: cfg.Tools.Web.DuckDuckGo.Enabled,
|
||||
PerplexityAPIKey: cfg.Tools.Web.Perplexity.APIKey,
|
||||
PerplexityMaxResults: cfg.Tools.Web.Perplexity.MaxResults,
|
||||
PerplexityEnabled: cfg.Tools.Web.Perplexity.Enabled,
|
||||
}); searchTool != nil {
|
||||
registry.Register(searchTool)
|
||||
}
|
||||
registry.Register(tools.NewWebFetchTool(50000))
|
||||
|
||||
// Hardware tools (I2C, SPI) - Linux only, returns error on other platforms
|
||||
registry.Register(tools.NewI2CTool())
|
||||
registry.Register(tools.NewSPITool())
|
||||
|
||||
// Message tool - available to both agent and subagent
|
||||
// Subagent uses it to communicate directly with user
|
||||
messageTool := tools.NewMessageTool()
|
||||
messageTool.SetSendCallback(func(channel, chatID, content string) error {
|
||||
msgBus.PublishOutbound(bus.OutboundMessage{
|
||||
Channel: channel,
|
||||
ChatID: chatID,
|
||||
Content: content,
|
||||
})
|
||||
return nil
|
||||
})
|
||||
registry.Register(messageTool)
|
||||
|
||||
return registry
|
||||
}
|
||||
|
||||
// formatMessagesForLog formats messages for logging
|
||||
func formatMessagesForLog(msgs []messages.Message) string {
|
||||
if len(msgs) == 0 {
|
||||
return "[]"
|
||||
}
|
||||
|
||||
var result string
|
||||
result += "[\n"
|
||||
for i, msg := range msgs {
|
||||
result += fmt.Sprintf(" [%d] Role: %s\n", i, msg.Role)
|
||||
if len(msg.ToolCalls) > 0 {
|
||||
result += " ToolCalls:\n"
|
||||
for _, tc := range msg.ToolCalls {
|
||||
result += fmt.Sprintf(" - ID: %s, Type: %s, Name: %s\n", tc.ID, tc.Type, tc.Name)
|
||||
if tc.Function != nil {
|
||||
result += fmt.Sprintf(" Arguments: %s\n", utils.Truncate(tc.Function.Arguments, 200))
|
||||
}
|
||||
}
|
||||
}
|
||||
if msg.Content != "" {
|
||||
content := utils.Truncate(msg.Content, 200)
|
||||
result += fmt.Sprintf(" Content: %s\n", content)
|
||||
}
|
||||
if msg.ToolCallID != "" {
|
||||
result += fmt.Sprintf(" ToolCallID: %s\n", msg.ToolCallID)
|
||||
}
|
||||
result += "\n"
|
||||
}
|
||||
result += "]"
|
||||
return result
|
||||
}
|
||||
|
||||
func toolNames(tt []tools.Tool) []string {
|
||||
names := make([]string, len(tt))
|
||||
for i, t := range tt {
|
||||
names[i] = t.Name()
|
||||
}
|
||||
return names
|
||||
}
|
||||
1450
pkg/agent/loop.go
1450
pkg/agent/loop.go
File diff suppressed because it is too large
Load diff
|
|
@ -12,6 +12,7 @@ import (
|
|||
"time"
|
||||
|
||||
fantasy "charm.land/fantasy"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/bus"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/config"
|
||||
memsqlc "github.com/ZanzyTHEbar/dragonscale/pkg/memory/sqlc"
|
||||
|
|
@ -827,13 +828,13 @@ func TestForceCompression_PersistsProvenance(t *testing.T) {
|
|||
}
|
||||
|
||||
ctx := context.Background()
|
||||
al.forceCompression(ctx, sessionKey)
|
||||
al.forceCompression(ctx, sessionKey, "", "")
|
||||
|
||||
del := al.MemoryDelegate()
|
||||
if del == nil {
|
||||
t.Fatal("MemoryDelegate is nil")
|
||||
}
|
||||
entries, err := del.ListAuditEntriesByAction(ctx, "dragonscale", "emergency_compression", 50)
|
||||
entries, err := del.ListAuditEntriesByAction(ctx, pkg.NAME, "emergency_compression", 50)
|
||||
if err != nil {
|
||||
t.Fatalf("ListAuditEntriesByAction: %v", err)
|
||||
}
|
||||
|
|
@ -913,7 +914,7 @@ func TestPersistOversizedRecoveryRefs_CreatesRecoverableReferences(t *testing.T)
|
|||
|
||||
dagTool := tools.NewDagExpandTool(tools.DAGToolDeps{
|
||||
Delegate: al.MemoryDelegate(),
|
||||
AgentID: "dragonscale",
|
||||
AgentID: pkg.NAME,
|
||||
SessionFn: func() string {
|
||||
return "recovery-session"
|
||||
},
|
||||
|
|
|
|||
171
pkg/agent/message_router.go
Normal file
171
pkg/agent/message_router.go
Normal file
|
|
@ -0,0 +1,171 @@
|
|||
package agent
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/bus"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/constants"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/logger"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/utils"
|
||||
)
|
||||
|
||||
func (al *AgentLoop) RecordLastChannel(ctx context.Context, channel string) error {
|
||||
return al.state.SetLastChannel(ctx, channel)
|
||||
}
|
||||
|
||||
func (al *AgentLoop) RecordLastChatID(ctx context.Context, chatID string) error {
|
||||
return al.state.SetLastChatID(ctx, chatID)
|
||||
}
|
||||
|
||||
func (al *AgentLoop) ProcessDirect(ctx context.Context, content, sessionKey string) (string, error) {
|
||||
return al.ProcessDirectWithChannel(ctx, content, sessionKey, "cli", "direct")
|
||||
}
|
||||
|
||||
func (al *AgentLoop) ProcessDirectWithChannel(ctx context.Context, content, sessionKey, channel, chatID string) (string, error) {
|
||||
msg := bus.InboundMessage{
|
||||
Channel: channel,
|
||||
SenderID: "cron",
|
||||
ChatID: chatID,
|
||||
Content: content,
|
||||
SessionKey: sessionKey,
|
||||
}
|
||||
|
||||
return al.processMessage(ctx, msg)
|
||||
}
|
||||
|
||||
// ProcessDirectStreaming processes a message with streaming token delivery.
|
||||
// Text deltas are published to the bus as StreamDelta messages in real time.
|
||||
func (al *AgentLoop) ProcessDirectStreaming(ctx context.Context, content, sessionKey, channel, chatID string) (string, error) {
|
||||
msg := bus.InboundMessage{
|
||||
Channel: channel,
|
||||
SenderID: "user",
|
||||
ChatID: chatID,
|
||||
Content: content,
|
||||
SessionKey: sessionKey,
|
||||
}
|
||||
|
||||
return al.runAgentLoop(ctx, processOptions{
|
||||
SessionKey: msg.SessionKey,
|
||||
Channel: msg.Channel,
|
||||
ChatID: msg.ChatID,
|
||||
SenderID: msg.SenderID,
|
||||
UserMessage: msg.Content,
|
||||
EnableSummary: true,
|
||||
SendResponse: false,
|
||||
Streaming: true,
|
||||
})
|
||||
}
|
||||
|
||||
// ProcessHeartbeat processes a heartbeat request without session history.
|
||||
// Each heartbeat is independent and doesn't accumulate context.
|
||||
// It injects the active session's summary so the agent has awareness of
|
||||
// recent user conversation context.
|
||||
func (al *AgentLoop) ProcessHeartbeat(ctx context.Context, content, channel, chatID string) (string, error) {
|
||||
if v := al.activeSessionKey.Load(); v != nil {
|
||||
if key, ok := v.(string); ok && key != "" {
|
||||
if summary := al.sessions.GetSummary(key); summary != "" {
|
||||
content = content + "\n\n## Recent User Context\n" + summary
|
||||
}
|
||||
}
|
||||
}
|
||||
return al.runAgentLoop(ctx, processOptions{
|
||||
SessionKey: "heartbeat",
|
||||
Channel: channel,
|
||||
ChatID: chatID,
|
||||
UserMessage: content,
|
||||
EnableSummary: false,
|
||||
SendResponse: false,
|
||||
NoHistory: true,
|
||||
})
|
||||
}
|
||||
|
||||
func (al *AgentLoop) processMessage(ctx context.Context, msg bus.InboundMessage) (string, error) {
|
||||
// Add message preview to log (show full content for error messages)
|
||||
var logContent string
|
||||
if strings.Contains(msg.Content, "Error:") || strings.Contains(msg.Content, "error") {
|
||||
logContent = msg.Content // Full content for errors
|
||||
} else {
|
||||
logContent = utils.Truncate(msg.Content, 80)
|
||||
}
|
||||
logger.InfoCF("agent", fmt.Sprintf("Processing message from %s:%s: %s", msg.Channel, msg.SenderID, logContent),
|
||||
map[string]interface{}{
|
||||
"channel": msg.Channel,
|
||||
"chat_id": msg.ChatID,
|
||||
"sender_id": msg.SenderID,
|
||||
"session_key": msg.SessionKey,
|
||||
})
|
||||
|
||||
// Route system messages to processSystemMessage
|
||||
if msg.Channel == "system" {
|
||||
return al.processSystemMessage(ctx, msg)
|
||||
}
|
||||
|
||||
// Check for commands
|
||||
if response, handled := al.handleCommand(ctx, msg); handled {
|
||||
return response, nil
|
||||
}
|
||||
|
||||
// Process as user message
|
||||
return al.runAgentLoop(ctx, processOptions{
|
||||
SessionKey: msg.SessionKey,
|
||||
Channel: msg.Channel,
|
||||
ChatID: msg.ChatID,
|
||||
UserMessage: msg.Content,
|
||||
EnableSummary: true,
|
||||
SendResponse: false,
|
||||
})
|
||||
}
|
||||
|
||||
func (al *AgentLoop) processSystemMessage(_ context.Context, msg bus.InboundMessage) (string, error) {
|
||||
// Verify this is a system message
|
||||
if msg.Channel != "system" {
|
||||
return "", fmt.Errorf("processSystemMessage called with non-system message channel: %s", msg.Channel)
|
||||
}
|
||||
|
||||
logger.InfoCF("agent", "Processing system message",
|
||||
map[string]interface{}{
|
||||
"sender_id": msg.SenderID,
|
||||
"chat_id": msg.ChatID,
|
||||
})
|
||||
|
||||
// Parse origin channel from chat_id (format: "channel:chat_id")
|
||||
var originChannel string
|
||||
if idx := strings.Index(msg.ChatID, ":"); idx > 0 {
|
||||
originChannel = msg.ChatID[:idx]
|
||||
} else {
|
||||
// Fallback
|
||||
originChannel = "cli"
|
||||
}
|
||||
|
||||
// Extract subagent result from message content
|
||||
// Format: "Task 'label' completed.\n\nResult:\n<actual content>"
|
||||
content := msg.Content
|
||||
if idx := strings.Index(content, "Result:\n"); idx >= 0 {
|
||||
content = content[idx+8:] // Extract just the result part
|
||||
}
|
||||
|
||||
// Skip internal channels - only log, don't send to user
|
||||
if constants.IsInternalChannel(originChannel) {
|
||||
logger.InfoCF("agent", "Subagent completed (internal channel)",
|
||||
map[string]interface{}{
|
||||
"sender_id": msg.SenderID,
|
||||
"content_len": len(content),
|
||||
"channel": originChannel,
|
||||
})
|
||||
return "", nil
|
||||
}
|
||||
|
||||
// Agent acts as dispatcher only - subagent handles user interaction via message tool
|
||||
// Don't forward result here, subagent should use message tool to communicate with user
|
||||
logger.InfoCF("agent", "Subagent completed",
|
||||
map[string]interface{}{
|
||||
"sender_id": msg.SenderID,
|
||||
"channel": originChannel,
|
||||
"content_len": len(content),
|
||||
})
|
||||
|
||||
// Agent only logs, does not respond to user
|
||||
return "", nil
|
||||
}
|
||||
492
pkg/agent/summarizer.go
Normal file
492
pkg/agent/summarizer.go
Normal file
|
|
@ -0,0 +1,492 @@
|
|||
package agent
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
fantasy "charm.land/fantasy"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/bus"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/config"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/constants"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/ids"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/logger"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/memory"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/memory/dag"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/memory/observation"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/messages"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/tools"
|
||||
)
|
||||
|
||||
// maybeSummarize only triggers emergency compression when hard limits are exceeded.
|
||||
// Normal background compaction is intentionally disabled for the unified kernel.
|
||||
func (al *AgentLoop) maybeSummarize(ctx context.Context, sessionKey, channel, chatID string) {
|
||||
newHistory := al.sessions.GetHistory(sessionKey)
|
||||
tokenEstimate := al.estimateTokens(newHistory)
|
||||
criticalThreshold := al.contextWindow * 95 / 100
|
||||
|
||||
if tokenEstimate > criticalThreshold {
|
||||
al.forceCompression(ctx, sessionKey, channel, chatID)
|
||||
}
|
||||
}
|
||||
|
||||
// EmergencyProvenance captures provenance metadata for postmortem when
|
||||
// emergency compression cycles run. Persisted via the audit pipeline.
|
||||
type EmergencyProvenance struct {
|
||||
SessionKey string `json:"session_key"`
|
||||
Cycle int `json:"cycle"`
|
||||
TokenEstimate int `json:"token_estimate"`
|
||||
CriticalBudget int `json:"critical_budget"`
|
||||
HistoryMsgCount int `json:"history_msg_count"`
|
||||
}
|
||||
|
||||
// persistEmergencyProvenance writes provenance metadata to the audit log.
|
||||
// Best-effort: logs warning on failure, never fails the compression path.
|
||||
func (al *AgentLoop) persistEmergencyProvenance(ctx context.Context, prov EmergencyProvenance) {
|
||||
if al.memDelegate == nil {
|
||||
return
|
||||
}
|
||||
input, err := json.Marshal(prov)
|
||||
if err != nil {
|
||||
logger.WarnCF("agent", "Failed to marshal emergency provenance",
|
||||
map[string]interface{}{"error": err.Error()})
|
||||
return
|
||||
}
|
||||
entry := &memory.AuditEntry{
|
||||
ID: ids.New(),
|
||||
AgentID: pkg.NAME,
|
||||
SessionKey: prov.SessionKey,
|
||||
Action: "emergency_compression",
|
||||
Target: fmt.Sprintf("cycle_%d", prov.Cycle),
|
||||
Input: string(input),
|
||||
}
|
||||
aCtx, cancel := context.WithTimeout(ctx, time.Second)
|
||||
defer cancel()
|
||||
if err := al.memDelegate.InsertAuditEntry(aCtx, entry); err != nil {
|
||||
logger.WarnCF("agent", "Failed to persist emergency provenance",
|
||||
map[string]interface{}{"error": err.Error(), "session_key": prov.SessionKey})
|
||||
}
|
||||
}
|
||||
|
||||
// forceCompression performs emergency recursive compression by repeatedly
|
||||
// summarizing older history until under hard budget, without deleting immutable
|
||||
// persisted session records.
|
||||
func (al *AgentLoop) forceCompression(ctx context.Context, sessionKey, channel, chatID string) {
|
||||
if _, loading := al.summarizing.LoadOrStore(sessionKey, true); loading {
|
||||
return
|
||||
}
|
||||
defer al.summarizing.Delete(sessionKey)
|
||||
|
||||
if channel != "" && !constants.IsInternalChannel(channel) {
|
||||
if al.bus != nil {
|
||||
al.bus.PublishOutbound(bus.OutboundMessage{
|
||||
Channel: channel,
|
||||
ChatID: chatID,
|
||||
Content: "⚠️ Memory threshold reached. Optimizing conversation history...",
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
const maxCycles = 3
|
||||
for cycle := 1; cycle <= maxCycles; cycle++ {
|
||||
history := al.sessions.GetHistory(sessionKey)
|
||||
if len(history) <= al.continuityKeepCount(history) {
|
||||
return
|
||||
}
|
||||
tokenEstimate := al.estimateTokens(history)
|
||||
criticalThreshold := al.contextWindow * 95 / 100
|
||||
if tokenEstimate <= criticalThreshold {
|
||||
return
|
||||
}
|
||||
|
||||
logger.WarnCF("agent", "Emergency compression cycle triggered",
|
||||
map[string]interface{}{
|
||||
"session_key": sessionKey,
|
||||
"cycle": cycle,
|
||||
"token_estimate": tokenEstimate,
|
||||
"critical_budget": criticalThreshold,
|
||||
})
|
||||
|
||||
al.persistEmergencyProvenance(ctx, EmergencyProvenance{
|
||||
SessionKey: sessionKey,
|
||||
Cycle: cycle,
|
||||
TokenEstimate: tokenEstimate,
|
||||
CriticalBudget: criticalThreshold,
|
||||
HistoryMsgCount: len(history),
|
||||
})
|
||||
|
||||
al.summarizeSession(ctx, sessionKey)
|
||||
}
|
||||
}
|
||||
|
||||
func (al *AgentLoop) continuityRetentionPolicy() config.ContinuityRetentionConfig {
|
||||
policy := config.ContinuityRetentionConfig{
|
||||
MinMessages: 4,
|
||||
MaxMessages: 24,
|
||||
TargetContextRatio: 0.10,
|
||||
FailureKeepMessages: 10,
|
||||
}
|
||||
|
||||
if al.cfg != nil {
|
||||
cfgPolicy := al.cfg.Agents.Defaults.ContinuityRetention
|
||||
if cfgPolicy.MinMessages > 0 {
|
||||
policy.MinMessages = cfgPolicy.MinMessages
|
||||
}
|
||||
if cfgPolicy.MaxMessages > 0 {
|
||||
policy.MaxMessages = cfgPolicy.MaxMessages
|
||||
}
|
||||
if cfgPolicy.TargetContextRatio > 0 && cfgPolicy.TargetContextRatio <= 0.5 {
|
||||
policy.TargetContextRatio = cfgPolicy.TargetContextRatio
|
||||
}
|
||||
if cfgPolicy.FailureKeepMessages > 0 {
|
||||
policy.FailureKeepMessages = cfgPolicy.FailureKeepMessages
|
||||
}
|
||||
}
|
||||
|
||||
if policy.MaxMessages < policy.MinMessages {
|
||||
policy.MaxMessages = policy.MinMessages
|
||||
}
|
||||
if policy.FailureKeepMessages < policy.MinMessages {
|
||||
policy.FailureKeepMessages = policy.MinMessages
|
||||
}
|
||||
|
||||
return policy
|
||||
}
|
||||
|
||||
func (al *AgentLoop) continuityKeepCount(history []messages.Message) int {
|
||||
if len(history) == 0 {
|
||||
return 0
|
||||
}
|
||||
|
||||
policy := al.continuityRetentionPolicy()
|
||||
minKeep := policy.MinMessages
|
||||
if minKeep > len(history) {
|
||||
minKeep = len(history)
|
||||
}
|
||||
maxKeep := policy.MaxMessages
|
||||
if maxKeep > len(history) {
|
||||
maxKeep = len(history)
|
||||
}
|
||||
if maxKeep < minKeep {
|
||||
maxKeep = minKeep
|
||||
}
|
||||
|
||||
contextWindow := al.contextWindow
|
||||
if contextWindow <= 0 && al.cfg != nil {
|
||||
contextWindow = al.cfg.Agents.Defaults.MaxTokens
|
||||
}
|
||||
if contextWindow <= 0 {
|
||||
return minKeep
|
||||
}
|
||||
|
||||
targetTokens := int(float64(contextWindow) * policy.TargetContextRatio)
|
||||
if targetTokens <= 0 {
|
||||
return minKeep
|
||||
}
|
||||
|
||||
keep := 0
|
||||
keptTokens := 0
|
||||
for i := len(history) - 1; i >= 0 && keep < maxKeep; i-- {
|
||||
msgTokens := observation.EstimateTokens(history[i].Content) + 4
|
||||
if keep >= minKeep && keptTokens+msgTokens > targetTokens {
|
||||
break
|
||||
}
|
||||
keptTokens += msgTokens
|
||||
keep++
|
||||
}
|
||||
if keep < minKeep {
|
||||
keep = minKeep
|
||||
}
|
||||
return keep
|
||||
}
|
||||
|
||||
type oversizedRecoveryCandidate struct {
|
||||
Message messages.Message
|
||||
OriginalIndex int
|
||||
TokenEstimate int
|
||||
}
|
||||
|
||||
func (al *AgentLoop) persistOversizedRecoveryRefs(ctx context.Context, sessionKey string, omitted []oversizedRecoveryCandidate) ([]string, error) {
|
||||
if len(omitted) == 0 {
|
||||
return nil, nil
|
||||
}
|
||||
if al.memDelegate == nil {
|
||||
return nil, fmt.Errorf("memory delegate is not configured")
|
||||
}
|
||||
|
||||
const maxPersistedRefs = 8
|
||||
refs := make([]string, 0, len(omitted))
|
||||
now := time.Now().UTC()
|
||||
|
||||
for i, candidate := range omitted {
|
||||
if i >= maxPersistedRefs {
|
||||
break
|
||||
}
|
||||
nodeID := tools.DAGRecoveryNodePrefix + ids.New().String()
|
||||
record := tools.DAGRecoveryRecord{
|
||||
NodeID: nodeID,
|
||||
SessionKey: sessionKey,
|
||||
OriginalIndex: candidate.OriginalIndex,
|
||||
Role: candidate.Message.Role,
|
||||
Content: candidate.Message.Content,
|
||||
TokenEstimate: candidate.TokenEstimate,
|
||||
Reason: "oversized_message_omitted_from_summary",
|
||||
CreatedAt: now,
|
||||
}
|
||||
|
||||
data, err := json.Marshal(record)
|
||||
if err != nil {
|
||||
return refs, fmt.Errorf("marshal DAG recovery record: %w", err)
|
||||
}
|
||||
if err := al.memDelegate.UpsertKV(ctx, pkg.NAME, tools.DAGRecoveryKVKey(sessionKey, nodeID), string(data)); err != nil {
|
||||
return refs, fmt.Errorf("persist DAG recovery record: %w", err)
|
||||
}
|
||||
refs = append(refs, nodeID)
|
||||
}
|
||||
return refs, nil
|
||||
}
|
||||
|
||||
// summarizeSession summarizes the conversation history for a session.
|
||||
func (al *AgentLoop) summarizeSession(parentCtx context.Context, sessionKey string) {
|
||||
ctx, cancel := context.WithTimeout(parentCtx, 120*time.Second)
|
||||
defer cancel()
|
||||
|
||||
history := al.sessions.GetHistory(sessionKey)
|
||||
summary := al.sessions.GetSummary(sessionKey)
|
||||
|
||||
keepLast := al.continuityKeepCount(history)
|
||||
if len(history) <= keepLast {
|
||||
return
|
||||
}
|
||||
|
||||
toSummarize := history[:len(history)-keepLast]
|
||||
|
||||
// Oversized Message Guard: skip individual messages that would consume too
|
||||
// much of the summarizer's context. Use 40% of the window for the summarizer
|
||||
// input budget, reserving the rest for system prompt + summary output.
|
||||
// Oversized omissions are persisted as DAG recovery references.
|
||||
maxMessageTokens := al.contextWindow * 40 / 100
|
||||
if maxMessageTokens < 2048 {
|
||||
maxMessageTokens = 2048
|
||||
}
|
||||
validMessages := make([]messages.Message, 0)
|
||||
omitted := false
|
||||
omittedMessages := make([]oversizedRecoveryCandidate, 0)
|
||||
|
||||
for idx, m := range toSummarize {
|
||||
if m.Role != "user" && m.Role != "assistant" {
|
||||
continue
|
||||
}
|
||||
msgTokens := observation.EstimateTokens(m.Content)
|
||||
if msgTokens > maxMessageTokens {
|
||||
omitted = true
|
||||
omittedMessages = append(omittedMessages, oversizedRecoveryCandidate{
|
||||
Message: m,
|
||||
OriginalIndex: idx,
|
||||
TokenEstimate: msgTokens,
|
||||
})
|
||||
continue
|
||||
}
|
||||
validMessages = append(validMessages, m)
|
||||
}
|
||||
|
||||
if len(validMessages) == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
// Multi-Part Summarization
|
||||
var finalSummary string
|
||||
if len(validMessages) > 10 {
|
||||
mid := len(validMessages) / 2
|
||||
part1 := validMessages[:mid]
|
||||
part2 := validMessages[mid:]
|
||||
|
||||
s1, _ := al.summarizeBatch(ctx, part1, "")
|
||||
s2, _ := al.summarizeBatch(ctx, part2, "")
|
||||
|
||||
// Merge them
|
||||
mergePrompt := fmt.Sprintf("Merge these two conversation summaries into one cohesive summary:\n\n1: %s\n\n2: %s", s1, s2)
|
||||
resp, err := al.callModel(ctx, mergePrompt)
|
||||
if err == nil {
|
||||
finalSummary = resp
|
||||
} else {
|
||||
finalSummary = s1 + " " + s2
|
||||
}
|
||||
} else {
|
||||
finalSummary, _ = al.summarizeBatch(ctx, validMessages, summary)
|
||||
}
|
||||
|
||||
if omitted && finalSummary != "" {
|
||||
recoveryRefs, err := al.persistOversizedRecoveryRefs(ctx, sessionKey, omittedMessages)
|
||||
if err != nil {
|
||||
logger.WarnCF("agent", "Failed to persist DAG recovery references for oversized messages",
|
||||
map[string]interface{}{
|
||||
"session_key": sessionKey,
|
||||
"error": err.Error(),
|
||||
"omitted": len(omittedMessages),
|
||||
})
|
||||
finalSummary += "\n[Note: Some oversized messages were omitted from this summary for efficiency.]"
|
||||
} else if len(recoveryRefs) > 0 {
|
||||
finalSummary += fmt.Sprintf("\n[Note: %d oversized message(s) were omitted from this summary. Recovery refs: %s. Use dag_expand with node_id=<recovery-ref> to recover full content.]",
|
||||
len(omittedMessages), strings.Join(recoveryRefs, ", "))
|
||||
} else {
|
||||
finalSummary += "\n[Note: Some oversized messages were omitted from this summary for efficiency.]"
|
||||
}
|
||||
}
|
||||
|
||||
if finalSummary != "" {
|
||||
al.sessions.SetSummary(sessionKey, finalSummary)
|
||||
al.sessions.TruncateHistory(sessionKey, keepLast)
|
||||
al.sessions.Save(sessionKey)
|
||||
al.summarizeFailures.Delete(sessionKey)
|
||||
} else {
|
||||
var count int
|
||||
if v, ok := al.summarizeFailures.Load(sessionKey); ok {
|
||||
count = v.(int)
|
||||
}
|
||||
count++
|
||||
al.summarizeFailures.Store(sessionKey, count)
|
||||
|
||||
const maxSummarizeFailures = 3
|
||||
emergencyKeep := al.continuityRetentionPolicy().FailureKeepMessages
|
||||
if count >= maxSummarizeFailures {
|
||||
logger.ErrorCF("agent", "Summarization failed repeatedly, force-truncating session",
|
||||
map[string]interface{}{
|
||||
"session": sessionKey,
|
||||
"consecutive_failures": count,
|
||||
"keep": emergencyKeep,
|
||||
})
|
||||
al.sessions.TruncateHistory(sessionKey, emergencyKeep)
|
||||
al.sessions.Save(sessionKey)
|
||||
al.summarizeFailures.Delete(sessionKey)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// summarizeBatch summarizes a batch of messages using the Fantasy LanguageModel directly.
|
||||
func (al *AgentLoop) summarizeBatch(ctx context.Context, batch []messages.Message, existingSummary string) (string, error) {
|
||||
var prompt strings.Builder
|
||||
prompt.WriteString("Provide a concise summary of this conversation segment, preserving core context and key points.\n")
|
||||
if existingSummary != "" {
|
||||
fmt.Fprintf(&prompt, "Existing context: %s\n", existingSummary)
|
||||
}
|
||||
prompt.WriteString("\nCONVERSATION:\n")
|
||||
for _, m := range batch {
|
||||
fmt.Fprintf(&prompt, "%s: %s\n", m.Role, m.Content)
|
||||
}
|
||||
|
||||
return al.callModel(ctx, prompt.String())
|
||||
}
|
||||
|
||||
// callModel makes a direct call to the Fantasy LanguageModel (no tools, no agent loop).
|
||||
// Used for summarization and other simple generation tasks.
|
||||
func (al *AgentLoop) callModel(ctx context.Context, prompt string) (string, error) {
|
||||
temp := 0.3
|
||||
maxTokens := int64(1024)
|
||||
|
||||
resp, err := al.languageModel.Generate(ctx, fantasy.Call{
|
||||
Prompt: fantasy.Prompt{
|
||||
fantasy.NewUserMessage(prompt),
|
||||
},
|
||||
Temperature: &temp,
|
||||
MaxOutputTokens: &maxTokens,
|
||||
})
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return resp.Content.Text(), nil
|
||||
}
|
||||
|
||||
// sessionsToMessagePairs converts the session history to observation.MessagePair
|
||||
// for token estimation by the observation manager.
|
||||
func (al *AgentLoop) sessionsToMessagePairs(sessionKey string) []observation.MessagePair {
|
||||
history := al.sessions.GetHistory(sessionKey)
|
||||
pairs := make([]observation.MessagePair, len(history))
|
||||
for i, m := range history {
|
||||
pairs[i] = observation.MessagePair{Role: m.Role, Content: m.Content}
|
||||
}
|
||||
return pairs
|
||||
}
|
||||
|
||||
// applyDAGCompression compresses old history into a DAG summary block and
|
||||
// returns only the tail messages that should be passed as raw conversation.
|
||||
// The compressed portion is injected into the system prompt via contextBuilder.
|
||||
// When memDelegate implements dag.DAGPersister, the DAG is persisted for dag_expand/describe/grep.
|
||||
func (al *AgentLoop) applyDAGCompression(ctx context.Context, sessionKey string, history []messages.Message) []messages.Message {
|
||||
const minHistoryForDAG = 16
|
||||
|
||||
if len(history) < minHistoryForDAG {
|
||||
al.contextBuilder.SetDAGBlock("")
|
||||
return history
|
||||
}
|
||||
|
||||
budget := dag.ComputeBudget(al.contextWindow, dag.DefaultBudgetConfig())
|
||||
tailCount := dag.TailMessageCount(budget.RawTail)
|
||||
if tailCount >= len(history) {
|
||||
al.contextBuilder.SetDAGBlock("")
|
||||
return history
|
||||
}
|
||||
|
||||
// Split: compress old, keep tail raw
|
||||
compressible := history[:len(history)-tailCount]
|
||||
tail := history[len(history)-tailCount:]
|
||||
|
||||
// Tool-call-aware: don't split on a "tool" message
|
||||
for len(tail) > 0 && tail[0].Role == "tool" && len(compressible) > 0 {
|
||||
tail = append([]messages.Message{compressible[len(compressible)-1]}, tail...)
|
||||
compressible = compressible[:len(compressible)-1]
|
||||
}
|
||||
|
||||
if len(compressible) == 0 {
|
||||
al.contextBuilder.SetDAGBlock("")
|
||||
return history
|
||||
}
|
||||
|
||||
dagMsgs := make([]dag.Message, len(compressible))
|
||||
for i, m := range compressible {
|
||||
dagMsgs[i] = dag.Message{Role: m.Role, Content: m.Content}
|
||||
}
|
||||
|
||||
compressor := dag.NewCompressor(dag.DefaultCompressorConfig())
|
||||
d := compressor.Compress(dagMsgs)
|
||||
|
||||
rendered := dag.RenderDAGForBudget(d, budget.DAGSummaries)
|
||||
al.contextBuilder.SetDAGBlock(rendered)
|
||||
|
||||
// Persist DAG for dag_expand, dag_describe, dag_grep (additive; in-memory behavior unchanged)
|
||||
if dp, ok := al.memDelegate.(dag.DAGPersister); ok {
|
||||
if err := dp.PersistDAG(ctx, pkg.NAME, sessionKey, &dag.PersistSnapshot{
|
||||
FromMsgIdx: 0,
|
||||
ToMsgIdx: len(compressible),
|
||||
MsgCount: len(compressible),
|
||||
DAG: d,
|
||||
}); err != nil {
|
||||
logger.WarnCF("agent", "DAG persist failed (non-fatal)",
|
||||
map[string]interface{}{"error": err.Error(), "session_key": sessionKey})
|
||||
}
|
||||
}
|
||||
|
||||
logger.DebugCF("agent", "DAG compression applied",
|
||||
map[string]interface{}{
|
||||
"total_msgs": len(history),
|
||||
"compressed_msgs": len(compressible),
|
||||
"tail_msgs": len(tail),
|
||||
"dag_nodes": len(d.Nodes),
|
||||
})
|
||||
|
||||
return tail
|
||||
}
|
||||
|
||||
func (al *AgentLoop) estimateTokens(msgs []messages.Message) int {
|
||||
pairs := make([]observation.MessagePair, 0, len(msgs))
|
||||
for _, m := range msgs {
|
||||
pairs = append(pairs, observation.MessagePair{
|
||||
Role: m.Role,
|
||||
Content: m.Content,
|
||||
})
|
||||
}
|
||||
return observation.EstimateMessagesTokens(pairs)
|
||||
}
|
||||
|
|
@ -11,6 +11,7 @@ import (
|
|||
"strings"
|
||||
|
||||
fantasy "charm.land/fantasy"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg"
|
||||
picofantasy "github.com/ZanzyTHEbar/dragonscale/pkg/fantasy"
|
||||
"github.com/ZanzyTHEbar/dragonscale/pkg/logger"
|
||||
memstore "github.com/ZanzyTHEbar/dragonscale/pkg/memory/store"
|
||||
|
|
@ -91,7 +92,7 @@ func runToolLoopWithRuntime(
|
|||
|
||||
adaptCfg := picofantasy.AdaptedToolsConfig{
|
||||
MemStore: ms,
|
||||
AgentID: "dragonscale",
|
||||
AgentID: pkg.NAME,
|
||||
SessionKey: sessionKey,
|
||||
}
|
||||
adaptedTools := picofantasy.BuildAdaptedTools(config.Tools, config.Bus, channel, chatID, adaptCfg)
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue