feat(update): add update deployment via web UI

- Deploy exe to alternate port 5033
- Current instance keeps running
- Add parallel mode and addr flag
- Add update panel to web UI
- Update OpenAPI spec and CLI

main.go

@@ -29,10 +29,15 @@ func main() {
 	background := flag.Bool("background", false, "spawn detached agent and exit")
 	ensure := flag.Bool("ensure", false, "start the agent if it is not already running")
 	foreground := flag.Bool("foreground", false, "keep console visible (dev only)")
+	skipInstall := flag.Bool("skip-install", false, "do not copy exe into the install directory")
+	parallel := flag.Bool("parallel", false, "allow running beside another agent instance")
+	addr := flag.String("addr", "", "listen address host:port (overrides AGENT_ADDR)")
 	flag.Parse()
 
-	if err := install.Ensure(); err != nil {
-		die(err, *foreground)
+	if !*skipInstall {
+		if err := install.Ensure(); err != nil {
+			die(err, *foreground)
+		}
 	}
 
 	if *ensure {
@@ -58,8 +63,9 @@ func main() {
 		_ = helpers.AttachLogFile()
 	}
 
+	cfg := agent.Config{ListenAddr: *addr, Parallel: *parallel}
 	for {
-		err := runAgent()
+		err := runAgent(cfg)
 		if err == nil {
 			return
 		}
@@ -72,7 +78,7 @@ func main() {
 	}
 }
 
-func runAgent() (err error) {
+func runAgent(cfg agent.Config) (err error) {
 	defer func() {
 		if r := recover(); r != nil {
 			crashlog.RecordPanic(r)
@@ -80,7 +86,7 @@ func runAgent() (err error) {
 		}
 	}()
 
-	a, err := agent.New()
+	a, err := agent.New(cfg)
 	if err != nil {
 		if strings.Contains(err.Error(), "already running") {
 			return errAlreadyRunning