Files
agents_and_robots/agents/runtime.go
T
2026-03-03 23:19:23 +00:00

146 lines
4.1 KiB
Go

// Package agents defines the Agent runtime that ties core and shell together.
package agents
import (
"context"
"fmt"
"log/slog"
"maunium.net/go/mautrix/event"
"github.com/enmanuel/agents/internal/config"
"github.com/enmanuel/agents/pkg/decision"
coretypes "github.com/enmanuel/agents/pkg/llm"
"github.com/enmanuel/agents/pkg/personality"
"github.com/enmanuel/agents/shell/effects"
shelllm "github.com/enmanuel/agents/shell/llm"
"github.com/enmanuel/agents/shell/matrix"
"github.com/enmanuel/agents/shell/ssh"
)
// Agent is the assembled runtime: pure core + impure shell.
type Agent struct {
cfg *config.AgentConfig
personality personality.Personality
rules []decision.Rule
llm coretypes.CompleteFunc
matrix *matrix.Client
runner *effects.Runner
listener *matrix.Listener
logger *slog.Logger
}
// New assembles an Agent from its config, rules, and logger.
func New(cfg *config.AgentConfig, rules []decision.Rule, logger *slog.Logger) (*Agent, error) {
// Matrix client
matrixClient, err := matrix.New(cfg.Matrix)
if err != nil {
return nil, fmt.Errorf("matrix client: %w", err)
}
// SSH executor
sshExec := ssh.NewExecutor(cfg.SSH)
// LLM client
primaryLLM, err := shelllm.FromConfig(cfg.LLM.Primary)
if err != nil {
return nil, fmt.Errorf("primary LLM: %w", err)
}
var llmFunc coretypes.CompleteFunc = primaryLLM
if cfg.LLM.Fallback.Provider != "" {
fallbackLLM, err := shelllm.FromConfig(cfg.LLM.Fallback)
if err != nil {
logger.Warn("fallback LLM config error", "err", err)
} else {
llmFunc = shelllm.WithFallback(primaryLLM, fallbackLLM)
}
}
// Effects runner
runner := effects.NewRunner(matrixClient, sshExec, logger)
a := &Agent{
cfg: cfg,
rules: rules,
llm: llmFunc,
matrix: matrixClient,
runner: runner,
logger: logger,
}
// Matrix event listener
a.listener = matrix.NewListener(matrixClient, cfg.Matrix, a.handleEvent, logger)
return a, nil
}
// Run starts the agent sync loop. Blocks until ctx is cancelled.
func (a *Agent) Run(ctx context.Context) error {
a.logger.Info("agent starting", "id", a.cfg.Agent.ID, "name", a.cfg.Agent.Name)
return a.listener.Run(ctx)
}
// handleEvent is called by the matrix Listener for each filtered incoming event.
func (a *Agent) handleEvent(ctx context.Context, msgCtx decision.MessageContext, evt *event.Event) {
if a.cfg.Personality.Behavior.TypingIndicator {
_ = a.matrix.SendTyping(ctx, evt.RoomID.String(), true)
defer a.matrix.SendTyping(ctx, evt.RoomID.String(), false)
}
actions := decision.Evaluate(msgCtx, a.rules)
// If no rules matched and the message mentions the bot or is a DM, use LLM.
if len(actions) == 0 && (msgCtx.IsMention || msgCtx.IsDirectMsg) {
actions = []decision.Action{{
Kind: decision.ActionKindLLM,
LLM: &decision.LLMAction{ContextKey: msgCtx.RoomID},
}}
}
if len(actions) == 0 {
return
}
// Expand LLM actions inline (simplified — real impl would maintain conversation state)
expanded := make([]decision.Action, 0, len(actions))
for _, act := range actions {
if act.Kind == decision.ActionKindLLM {
reply, err := a.runLLM(ctx, msgCtx)
if err != nil {
a.logger.Error("llm error", "err", err)
expanded = append(expanded, decision.Action{
Kind: decision.ActionKindReply,
Reply: &decision.ReplyAction{Content: "Sorry, I encountered an error."},
})
} else {
expanded = append(expanded, decision.Action{
Kind: decision.ActionKindReply,
Reply: &decision.ReplyAction{Content: reply},
})
}
} else {
expanded = append(expanded, act)
}
}
a.runner.Execute(ctx, evt.RoomID.String(), expanded)
}
func (a *Agent) runLLM(ctx context.Context, msgCtx decision.MessageContext) (string, error) {
req := coretypes.CompletionRequest{
Model: a.cfg.LLM.Primary.Model,
MaxTokens: a.cfg.LLM.Primary.MaxTokens,
Temperature: a.cfg.LLM.Primary.Temperature,
SystemPrompt: a.cfg.Agent.Description,
Messages: []coretypes.Message{
{Role: coretypes.RoleUser, Content: msgCtx.Content},
},
}
resp, err := a.llm(ctx, req)
if err != nil {
return "", err
}
return resp.Content, nil
}