feat: add assistant bot with LLM integration and configuration

- Implemented the assistant bot with basic command handling and LLM routing.
- Created configuration file for the assistant bot with personality, behavior, and LLM settings.
- Added system prompt for the assistant bot to define its capabilities and limitations.
- Developed registration script for creating Matrix bot users via Synapse admin API.
- Introduced common development scripts for agent management (start, stop, list, logs).
- Scaffolded new agent creation script to streamline the addition of new agents.
- Implemented agent removal script to disable agents without deleting data.
This commit is contained in:
2026-03-03 23:57:13 +00:00
parent c126187c5a
commit bd8e1432e5
19 changed files with 2142 additions and 93 deletions
+352 -36
View File
@@ -1,24 +1,55 @@
// Command agentctl is a CLI for inspecting and managing agents.
// Command agentctl manages Matrix agents: list, start, stop, remove.
//
// Usage:
//
// agentctl list # all agents with their status
// agentctl start # start all enabled agents
// agentctl start assistant-bot # start a specific agent
// agentctl stop # stop all running agents
// agentctl stop assistant-bot # stop a specific agent
// agentctl remove assistant-bot # disable agent (keeps data)
package main
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
"syscall"
"github.com/spf13/cobra"
"github.com/enmanuel/agents/internal/config"
)
const (
runDir = "run" // PID + log files
agentsGlob = "agents/*/config.yaml"
)
// ── entry point ───────────────────────────────────────────────────────────
func main() {
var binPath string
root := &cobra.Command{
Use: "agentctl",
Short: "Manage and inspect agents",
Short: "Manage Matrix agents",
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
return os.MkdirAll(runDir, 0o755)
},
}
root.PersistentFlags().StringVar(&binPath, "bin", "",
"Launcher binary path. Defaults to ./bin/launcher, falls back to 'go run ./cmd/launcher'")
root.AddCommand(
listCmd(),
validateCmd(),
startCmd(&binPath),
stopCmd(),
removeCmd(),
)
if err := root.Execute(); err != nil {
@@ -26,29 +57,31 @@ func main() {
}
}
// ── list ──────────────────────────────────────────────────────────────────
func listCmd() *cobra.Command {
return &cobra.Command{
Use: "list [config.yaml...]",
Short: "List agents from config files",
Use: "list",
Short: "List all agents and their current status",
Aliases: []string{"ls"},
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return fmt.Errorf("provide at least one config file")
agents, err := scanAgents()
if err != nil {
return err
}
for _, path := range args {
cfg, err := config.Load(path)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %s: %v\n", path, err)
continue
}
enabled := "enabled"
if !cfg.Agent.Enabled {
enabled = "disabled"
}
fmt.Printf("%-20s %-10s %-10s %s\n",
cfg.Agent.ID,
cfg.Agent.Version,
enabled,
cfg.Agent.Description,
if len(agents) == 0 {
fmt.Println("No agents found under agents/*/config.yaml")
return nil
}
fmt.Printf("%-20s %-12s %-8s %s\n", "ID", "STATUS", "VERSION", "DESCRIPTION")
fmt.Println(strings.Repeat("─", 72))
for _, a := range agents {
fmt.Printf("%-20s %-12s %-8s %s\n",
a.ID,
statusLabel(a),
a.Version,
truncate(a.Desc, 36),
)
}
return nil
@@ -56,25 +89,308 @@ func listCmd() *cobra.Command {
}
}
func validateCmd() *cobra.Command {
// ── start ─────────────────────────────────────────────────────────────────
func startCmd(binPath *string) *cobra.Command {
return &cobra.Command{
Use: "validate [config.yaml...]",
Short: "Validate agent config files",
Use: "start [agent-id...]",
Short: "Start one or all enabled agents",
RunE: func(cmd *cobra.Command, args []string) error {
allOK := true
for _, path := range args {
_, err := config.Load(path)
if err != nil {
fmt.Fprintf(os.Stderr, "FAIL %s: %v\n", path, err)
allOK = false
} else {
fmt.Printf("OK %s\n", path)
}
agents, err := scanAgents()
if err != nil {
return err
}
if !allOK {
os.Exit(1)
targets := filterTargets(agents, args)
if len(targets) == 0 {
return fmt.Errorf("no matching agents found")
}
bin := resolvedBin(*binPath)
started := 0
for _, a := range targets {
if !a.Enabled {
fmt.Printf("skip %-20s (disabled in config)\n", a.ID)
continue
}
if isRunning(a.ID) {
fmt.Printf("skip %-20s (already running, PID %d)\n", a.ID, readPID(a.ID))
continue
}
if err := startAgent(a, bin); err != nil {
fmt.Fprintf(os.Stderr, "fail %-20s %v\n", a.ID, err)
continue
}
fmt.Printf("start %-20s PID %d log → %s\n",
a.ID, readPID(a.ID), logPath(a.ID))
started++
}
if started == 0 {
fmt.Println("Nothing started.")
}
return nil
},
}
}
// ── stop ──────────────────────────────────────────────────────────────────
func stopCmd() *cobra.Command {
return &cobra.Command{
Use: "stop [agent-id...]",
Short: "Stop one or all running agents",
RunE: func(cmd *cobra.Command, args []string) error {
agents, err := scanAgents()
if err != nil {
return err
}
targets := filterTargets(agents, args)
if len(targets) == 0 {
return fmt.Errorf("no matching agents found")
}
stopped := 0
for _, a := range targets {
pid := readPID(a.ID)
if pid == 0 || !isRunning(a.ID) {
fmt.Printf("skip %-20s (not running)\n", a.ID)
continue
}
if err := syscall.Kill(pid, syscall.SIGTERM); err != nil {
fmt.Fprintf(os.Stderr, "fail %-20s kill: %v\n", a.ID, err)
continue
}
removePIDFile(a.ID)
fmt.Printf("stop %-20s sent SIGTERM to PID %d\n", a.ID, pid)
stopped++
}
if stopped == 0 {
fmt.Println("Nothing stopped.")
}
return nil
},
}
}
// ── remove ────────────────────────────────────────────────────────────────
func removeCmd() *cobra.Command {
return &cobra.Command{
Use: "remove <agent-id>",
Short: "Disable an agent (sets enabled: false). Does not delete data.",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
id := args[0]
agents, err := scanAgents()
if err != nil {
return err
}
var target *agentInfo
for i := range agents {
if agents[i].ID == id {
target = &agents[i]
break
}
}
if target == nil {
return fmt.Errorf("agent %q not found", id)
}
// Stop if running
if isRunning(id) {
pid := readPID(id)
_ = syscall.Kill(pid, syscall.SIGTERM)
removePIDFile(id)
fmt.Printf("stop %-20s sent SIGTERM to PID %d\n", id, pid)
}
// Disable in config (preserves comments)
if err := setEnabled(target.ConfigPath, false); err != nil {
return fmt.Errorf("update config: %w", err)
}
fmt.Printf("ok %-20s marked as disabled in %s\n", id, target.ConfigPath)
fmt.Printf(" Data preserved at agents/%s/data/\n", id)
return nil
},
}
}
// ── agent scanning ────────────────────────────────────────────────────────
type agentInfo struct {
ID string
Version string
Enabled bool
Desc string
ConfigPath string
}
func scanAgents() ([]agentInfo, error) {
matches, err := filepath.Glob(agentsGlob)
if err != nil {
return nil, err
}
var agents []agentInfo
for _, path := range matches {
// Use LoadMeta so list works even when env vars aren't set.
cfg, err := config.LoadMeta(path)
if err != nil {
fmt.Fprintf(os.Stderr, "warn skipping %s: %v\n", path, err)
continue
}
agents = append(agents, agentInfo{
ID: cfg.Agent.ID,
Version: cfg.Agent.Version,
Enabled: cfg.Agent.Enabled,
Desc: cfg.Agent.Description,
ConfigPath: path,
})
}
return agents, nil
}
func filterTargets(agents []agentInfo, ids []string) []agentInfo {
if len(ids) == 0 {
return agents // no filter → all
}
set := make(map[string]bool, len(ids))
for _, id := range ids {
set[id] = true
}
var out []agentInfo
for _, a := range agents {
if set[a.ID] {
out = append(out, a)
}
}
return out
}
// ── process management ────────────────────────────────────────────────────
func startAgent(a agentInfo, bin string) error {
logFile, err := os.OpenFile(logPath(a.ID), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o644)
if err != nil {
return fmt.Errorf("open log: %w", err)
}
var cmd *exec.Cmd
if strings.HasPrefix(bin, "go run") {
// dev mode: go run ./cmd/launcher -c <config>
cmd = exec.Command("go", "run", "./cmd/launcher", "-c", a.ConfigPath)
} else {
cmd = exec.Command(bin, "-c", a.ConfigPath)
}
cmd.Stdout = logFile
cmd.Stderr = logFile
// Detach from the parent process group so it keeps running after agentctl exits
cmd.SysProcAttr = &syscall.SysProcAttr{Setsid: true}
if err := cmd.Start(); err != nil {
logFile.Close()
return fmt.Errorf("exec: %w", err)
}
// Write PID file — the subprocess owns its lifecycle now
if err := os.WriteFile(pidPath(a.ID), []byte(strconv.Itoa(cmd.Process.Pid)), 0o644); err != nil {
return fmt.Errorf("write PID: %w", err)
}
// Detach: don't wait for the process
go func() { _ = cmd.Wait() }()
return nil
}
func isRunning(id string) bool {
pid := readPID(id)
if pid == 0 {
return false
}
err := syscall.Kill(pid, 0) // signal 0 checks existence without killing
return err == nil
}
func readPID(id string) int {
raw, err := os.ReadFile(pidPath(id))
if err != nil {
return 0
}
pid, _ := strconv.Atoi(strings.TrimSpace(string(raw)))
return pid
}
func removePIDFile(id string) {
_ = os.Remove(pidPath(id))
}
func pidPath(id string) string { return filepath.Join(runDir, id+".pid") }
func logPath(id string) string { return filepath.Join(runDir, id+".log") }
// ── config editing ────────────────────────────────────────────────────────
// setEnabled flips `enabled: true/false` in the agent section of the YAML.
// Uses text replacement to preserve all comments.
func setEnabled(configPath string, enabled bool) error {
raw, err := os.ReadFile(configPath)
if err != nil {
return err
}
current := "enabled: true"
replacement := "enabled: false"
if enabled {
current = "enabled: false"
replacement = "enabled: true"
}
updated := strings.Replace(string(raw), current, replacement, 1)
if updated == string(raw) {
return nil // already in the desired state
}
return os.WriteFile(configPath, []byte(updated), 0o644)
}
// ── display helpers ───────────────────────────────────────────────────────
func statusLabel(a agentInfo) string {
switch {
case !a.Enabled:
return "disabled"
case isRunning(a.ID):
return "● running"
default:
return "○ stopped"
}
}
func truncate(s string, max int) string {
if len(s) <= max {
return s
}
return s[:max-1] + "…"
}
// resolvedBin returns the launcher binary path to use.
// Priority: --bin flag > ./bin/launcher (if exists) > go run fallback.
func resolvedBin(flagVal string) string {
if flagVal != "" {
return flagVal
}
if _, err := os.Stat("bin/launcher"); err == nil {
return "bin/launcher"
}
return "go run ./cmd/launcher"
}
+64 -38
View File
@@ -1,4 +1,9 @@
// Command launcher starts one or more agents from their config files.
//
// Usage:
//
// go run ./cmd/launcher # auto-discovers agents/*/config.yaml
// go run ./cmd/launcher -c agents/assistant/config.yaml
package main
import (
@@ -13,30 +18,49 @@ import (
"github.com/spf13/cobra"
"github.com/enmanuel/agents/agents"
assistantagent "github.com/enmanuel/agents/agents/assistant"
devopsagent "github.com/enmanuel/agents/agents/devops"
"github.com/enmanuel/agents/internal/config"
"github.com/enmanuel/agents/pkg/decision"
)
// rulesRegistry maps agent IDs to their rule factories.
// Add a new entry here when you create a new agent package.
var rulesRegistry = map[string]func() []decision.Rule{
"assistant-bot": assistantagent.Rules,
"devops-bot": devopsagent.Rules,
}
func main() {
var configPaths []string
var logLevel string
var (
configPaths []string
logLevel string
)
root := &cobra.Command{
Use: "launcher",
Short: "Start Matrix agents from config files",
RunE: func(cmd *cobra.Command, args []string) error {
level := slog.LevelInfo
if logLevel == "debug" {
level = slog.LevelDebug
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
if len(configPaths) == 0 {
matches, _ := filepath.Glob("agents/*/config.yaml")
configPaths = matches
}
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
logger := newLogger(logLevel)
if len(configPaths) == 0 {
logger.Warn("no agent configs found — nothing to start")
return nil
}
logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: level}))
ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
defer stop()
var wg sync.WaitGroup
for _, path := range configPaths {
path := path // capture
path := path
cfg, err := config.Load(path)
if err != nil {
logger.Error("failed to load config", "path", path, "err", err)
@@ -47,10 +71,10 @@ func main() {
continue
}
// Load agent-specific rules (extend here with your own rule builders)
rules := loadRulesForAgent(cfg)
rules := rulesFor(cfg.Agent.ID, logger)
agentLogger := logger.With("agent", cfg.Agent.ID)
agent, err := agents.New(cfg, rules, logger.With("agent", cfg.Agent.ID))
a, err := agents.New(cfg, rules, agentLogger)
if err != nil {
logger.Error("failed to create agent", "id", cfg.Agent.ID, "err", err)
continue
@@ -59,47 +83,49 @@ func main() {
wg.Add(1)
go func() {
defer wg.Done()
if err := agent.Run(ctx); err != nil {
logger.Error("agent stopped", "id", cfg.Agent.ID, "err", err)
agentLogger.Info("agent running")
if err := a.Run(ctx); err != nil {
agentLogger.Error("agent stopped with error", "err", err)
}
}()
}
wg.Wait()
logger.Info("all agents stopped")
return nil
},
}
root.Flags().StringSliceVarP(&configPaths, "config", "c", nil, "Agent config files (comma-separated or repeated flag)")
root.Flags().StringVar(&logLevel, "log-level", "info", "Log level: debug|info|warn|error")
// Default: discover all config.yaml files under agents/
root.PersistentPreRunE = func(cmd *cobra.Command, args []string) error {
if len(configPaths) == 0 {
matches, _ := filepath.Glob("agents/*/config.yaml")
configPaths = matches
}
return nil
}
root.Flags().StringSliceVarP(&configPaths, "config", "c", nil,
"Agent config file(s). If omitted, discovers all agents/*/config.yaml")
root.Flags().StringVar(&logLevel, "log-level", "info",
"Log level: debug | info | warn | error")
if err := root.Execute(); err != nil {
os.Exit(1)
}
}
// loadRulesForAgent returns the decision rules for a given agent config.
// Extend this function (or use a registry) to wire up agent-specific rules.
func loadRulesForAgent(cfg *config.AgentConfig) []decision.Rule {
return []decision.Rule{
{
Name: "help",
Match: decision.MatchCommand("help"),
Actions: []decision.Action{{
Kind: decision.ActionKindReply,
Reply: &decision.ReplyAction{
Content: "I'm " + cfg.Agent.Name + ". " + cfg.Agent.Description,
},
}},
},
func rulesFor(agentID string, logger *slog.Logger) []decision.Rule {
factory, ok := rulesRegistry[agentID]
if !ok {
logger.Warn("no rules registered for agent, using empty ruleset", "id", agentID)
return nil
}
return factory()
}
func newLogger(level string) *slog.Logger {
var lvl slog.Level
switch level {
case "debug":
lvl = slog.LevelDebug
case "warn":
lvl = slog.LevelWarn
case "error":
lvl = slog.LevelError
default:
lvl = slog.LevelInfo
}
return slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: lvl}))
}
+188
View File
@@ -0,0 +1,188 @@
// Command register creates a Matrix bot user via the Synapse admin API
// and outputs the access token to store in .env.
//
// Usage:
//
// MATRIX_ADMIN_TOKEN=syt_... go run ./cmd/register \
// --homeserver https://matrix-af2f3d.organic-machine.com \
// --username assistant-bot \
// --displayname "Assistant Bot" \
// --env-var MATRIX_TOKEN_ASSISTANT
package main
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"strings"
"github.com/spf13/cobra"
)
func main() {
var (
homeserver string
username string
displayname string
envVar string
password string
)
root := &cobra.Command{
Use: "register",
Short: "Register a Matrix bot user via Synapse admin API",
Long: `Creates a bot user on your Synapse homeserver and prints its access token.
Requires MATRIX_ADMIN_TOKEN env var with an admin user's access token.
Example:
MATRIX_ADMIN_TOKEN=syt_... go run ./cmd/register \
--homeserver https://matrix.example.com \
--username my-bot \
--displayname "My Bot" \
--env-var MATRIX_TOKEN_MY_BOT`,
RunE: func(cmd *cobra.Command, args []string) error {
adminToken := os.Getenv("MATRIX_ADMIN_TOKEN")
if adminToken == "" {
return fmt.Errorf("MATRIX_ADMIN_TOKEN env var is not set")
}
// Strip trailing slash
homeserver = strings.TrimRight(homeserver, "/")
// Extract server name from homeserver URL
serverName := homeserver
serverName = strings.TrimPrefix(serverName, "https://")
serverName = strings.TrimPrefix(serverName, "http://")
userID := fmt.Sprintf("@%s:%s", username, serverName)
fmt.Printf("→ Registering user %s on %s\n", userID, homeserver)
// Generate password if not provided
if password == "" {
password = generatePassword()
}
// Step 1: Create/update user via admin API
if err := createUser(homeserver, adminToken, userID, displayname, password); err != nil {
return fmt.Errorf("create user: %w", err)
}
fmt.Printf("✓ User %s created/updated\n", userID)
// Step 2: Login as the bot to get an access token
token, deviceID, err := loginAs(homeserver, username, password)
if err != nil {
return fmt.Errorf("login as bot: %w", err)
}
fmt.Printf("✓ Logged in, device ID: %s\n", deviceID)
// Step 3: Print results
fmt.Println("\n─── Add to your .env ───────────────────────────────")
fmt.Printf("%s=%s\n", envVar, token)
fmt.Printf("MATRIX_HOMESERVER=%s\n", homeserver)
fmt.Printf("MATRIX_SERVER_NAME=%s\n", serverName)
fmt.Println("────────────────────────────────────────────────────")
fmt.Printf("\nUser ID: %s\n", userID)
fmt.Printf("Device ID: %s\n", deviceID)
return nil
},
}
root.Flags().StringVar(&homeserver, "homeserver", "", "Matrix homeserver URL (required)")
root.Flags().StringVar(&username, "username", "", "Bot username, without @ or server (required)")
root.Flags().StringVar(&displayname, "displayname", "", "Bot display name shown in Matrix")
root.Flags().StringVar(&envVar, "env-var", "MATRIX_TOKEN_BOT", "Name of the env var to output")
root.Flags().StringVar(&password, "password", "", "Bot password (auto-generated if empty)")
_ = root.MarkFlagRequired("homeserver")
_ = root.MarkFlagRequired("username")
if err := root.Execute(); err != nil {
os.Exit(1)
}
}
// createUser calls PUT /_synapse/admin/v2/users/@user:server
func createUser(homeserver, adminToken, userID, displayname, password string) error {
body := map[string]any{
"password": password,
"admin": false,
"deactivated": false,
}
if displayname != "" {
body["displayname"] = displayname
}
raw, _ := json.Marshal(body)
url := fmt.Sprintf("%s/_synapse/admin/v2/users/%s", homeserver, userID)
req, err := http.NewRequest(http.MethodPut, url, bytes.NewReader(raw))
if err != nil {
return err
}
req.Header.Set("Authorization", "Bearer "+adminToken)
req.Header.Set("Content-Type", "application/json")
resp, err := http.DefaultClient.Do(req)
if err != nil {
return fmt.Errorf("HTTP PUT %s: %w", url, err)
}
defer resp.Body.Close()
respBody, _ := io.ReadAll(resp.Body)
if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusCreated {
return fmt.Errorf("admin API returned %d: %s", resp.StatusCode, respBody)
}
return nil
}
// loginAs calls POST /_matrix/client/v3/login with the bot credentials.
func loginAs(homeserver, username, password string) (token, deviceID string, err error) {
body := map[string]any{
"type": "m.login.password",
"identifier": map[string]string{
"type": "m.id.user",
"user": username,
},
"password": password,
}
raw, _ := json.Marshal(body)
url := homeserver + "/_matrix/client/v3/login"
resp, err := http.Post(url, "application/json", bytes.NewReader(raw))
if err != nil {
return "", "", fmt.Errorf("HTTP POST %s: %w", url, err)
}
defer resp.Body.Close()
respBody, _ := io.ReadAll(resp.Body)
if resp.StatusCode != http.StatusOK {
return "", "", fmt.Errorf("login returned %d: %s", resp.StatusCode, respBody)
}
var result struct {
AccessToken string `json:"access_token"`
DeviceID string `json:"device_id"`
}
if err := json.Unmarshal(respBody, &result); err != nil {
return "", "", fmt.Errorf("parse login response: %w", err)
}
return result.AccessToken, result.DeviceID, nil
}
// generatePassword creates a random-enough password for the bot account.
func generatePassword() string {
// Simple: use os.ReadFile on /dev/urandom, encode hex
f, err := os.Open("/dev/urandom")
if err != nil {
return "agent-bot-default-please-change"
}
defer f.Close()
buf := make([]byte, 24)
_, _ = io.ReadFull(f, buf)
return fmt.Sprintf("%x", buf)
}