Add a flag for using dev credentials.

Author: dennwc

.nanpa/dev-flag.kdl

@@ -0,0 +1 @@
+minor type="added" "flag for using dev credentials"

cmd/lk/utils.go

@@ -23,9 +23,10 @@ import (
 	"github.com/twitchtv/twirp"
 	"github.com/urfave/cli/v3"
 
+	"github.com/livekit/protocol/utils/interceptors"
+
 	"github.com/livekit/livekit-cli/v2/pkg/config"
 	"github.com/livekit/livekit-cli/v2/pkg/util"
-	"github.com/livekit/protocol/utils/interceptors"
 )
 
 var (
@@ -62,6 +63,10 @@ var (
 			Usage:   "Your `SECRET`",
 			Sources: cli.EnvVars("LIVEKIT_API_SECRET"),
 		},
+		&cli.BoolFlag{
+			Name:  "dev",
+			Usage: "Use developer credentials for local LiveKit server",
+		},
 		&cli.StringFlag{
 			Name:  "project",
 			Usage: "`NAME` of a configured project",
@@ -214,6 +219,11 @@ func loadProjectDetails(c *cli.Command, opts ...loadOption) (*config.ProjectConf
 		}
 		return pc, nil
 	}
+	if c.Bool("dev") {
+		pc.APIKey = "devkey"
+		pc.APISecret = "secret"
+		return pc, nil
+	}
 
 	// load default project
 	dp, err := config.LoadDefaultProject()