Rebrand user-visible CLI text; add legacy fallbacks for keyring, cache dir and version prefix

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/clientcache/cmd/cache/addtoken.go

@@ -28,16 +28,16 @@ type AddTokenCommand struct {
 }
 
 func (c *AddTokenCommand) Synopsis() string {
-	return "Add an auth token to a running boundary cache"
+	return "Add an auth token to a running threshold cache"
 }
 
 func (c *AddTokenCommand) Help() string {
 	helpText := `
-Usage: boundary cache add-token [options]
+Usage: threshold cache add-token [options]
 
   Add an auth token to the cache:
 
-      $ boundary cache add-token
+      $ threshold cache add-token
 
   For a full list of examples, please see the documentation.
 
@@ -54,7 +54,7 @@ func (c *AddTokenCommand) Flags() *base.FlagSets {
 		Target:     &c.FlagAddr,
 		EnvVar:     api.EnvBoundaryAddr,
 		Completion: complete.PredictAnything,
-		Usage:      "Addr of the Boundary controller, as a complete URL (e.g. https://boundary.example.com:9200).",
+		Usage:      "Addr of the Threshold controller, as a complete URL (e.g. https://threshold.example.com:9200).",
 	})
 
 	f = set.NewFlagSet("Client Options")

internal/clientcache/cmd/cache/cache.go

@@ -21,18 +21,18 @@ type CacheCommand struct {
 }
 
 func (c *CacheCommand) Synopsis() string {
-	return "Manages the client side Boundary cache"
+	return "Manages the client side Threshold cache"
 }
 
 func (c *CacheCommand) Help() string {
 	helpText := `
-Usage: boundary cache [sub command] [options]
+Usage: threshold cache [sub command] [options]
 
-  This command allows interacting with the Boundary cache.
+  This command allows interacting with the Threshold cache.
 
   Start a cache:
 
-      $ boundary cache start
+      $ threshold cache start
 
   For a full list of examples, please see the documentation.
 
@@ -54,7 +54,7 @@ func (c *CacheCommand) AutocompleteFlags() complete.Flags {
 
 func (c *CacheCommand) Run(args []string) int {
 	if len(args) >= 2 && args[1] == "daemon" {
-		c.UI.Warn("The `boundary daemon` command is deprecated, use `boundary cache` instead")
+		c.UI.Warn("The `threshold daemon` command is deprecated, use `threshold cache` instead")
 	}
 	return cli.RunResultHelp
 }

internal/clientcache/cmd/cache/start.go

@@ -24,7 +24,6 @@ import (
 )
 
 const (
-	dotDirname  = ".boundary"
 	pidFileName = "cache.pid"
 	logFileName = "cache.log"
 
@@ -54,16 +53,16 @@ type StartCommand struct {
 }
 
 func (c *StartCommand) Synopsis() string {
-	return "Start a Boundary cache"
+	return "Start a Threshold cache"
 }
 
 func (c *StartCommand) Help() string {
 	helpText := `
-Usage: boundary cache start [options]
+Usage: threshold cache start [options]
 
   Start a cache:
 
-      $ boundary cache start
+      $ threshold cache start
 
   For a full list of examples, please see the documentation.
 
@@ -78,7 +77,7 @@ func (c *StartCommand) Flags() *base.FlagSets {
 	f.StringVar(&base.StringVar{
 		Name:       "log-level",
 		Target:     &c.flagLogLevel,
-		EnvVar:     "BOUNDARY_LOG_LEVEL",
+		EnvVar:     "THRESHOLD_LOG_LEVEL",
 		Completion: complete.PredictSet("trace", "debug", "info", "warn", "err"),
 		Usage: "Log verbosity level, mostly as a fallback for events. Supported values (in order of more detail to less) are " +
 			"\"trace\", \"debug\", \"info\", \"warn\", and \"err\".",
@@ -255,7 +254,7 @@ func DefaultDotDirectory(ctx context.Context) (string, error) {
 	if err != nil {
 		return "", errors.Wrap(ctx, err, op)
 	}
-	return filepath.Join(homeDir, dotDirname), nil
+	return daemon.DotDirectory(homeDir), nil
 }
 
 // logFile returns a log file which is rotated after it reaches the provided

internal/clientcache/cmd/cache/status.go

@@ -34,16 +34,16 @@ type StatusCommand struct {
 }
 
 func (c *StatusCommand) Synopsis() string {
-	return "Get the status information of the running boundary cache"
+	return "Get the status information of the running threshold cache"
 }
 
 func (c *StatusCommand) Help() string {
 	helpText := `
-Usage: boundary cache status [options]
+Usage: threshold cache status [options]
 
-  Get the status of the boundary cache:
+  Get the status of the threshold cache:
 
-      $ boundary cache status
+      $ threshold cache status
 
   For a full list of examples, please see the documentation.
 

internal/clientcache/cmd/cache/stop.go

@@ -17,16 +17,16 @@ type StopCommand struct {
 }
 
 func (c *StopCommand) Synopsis() string {
-	return "Stop the Boundary cache"
+	return "Stop the Threshold cache"
 }
 
 func (c *StopCommand) Help() string {
 	helpText := `
-Usage: boundary cache stop
+Usage: threshold cache stop
 
   Stop a cache:
 
-      $ boundary cache stop
+      $ threshold cache stop
 
   For a full list of examples, please see the documentation.
 

internal/clientcache/cmd/cache/wrapper_register.go

@@ -76,7 +76,7 @@ func startDaemon(ctx context.Context, baseCmd *base.Command) (started bool, _ er
 
 	cmdName, err := os.Executable()
 	if err != nil {
-		baseCmd.UI.Error(fmt.Sprintf("unable to find boundary binary for cache startup: %s", err.Error()))
+		baseCmd.UI.Error(fmt.Sprintf("unable to find threshold binary for cache startup: %s", err.Error()))
 		return false, err
 	}
 
@@ -113,7 +113,7 @@ func stopDaemon(ctx context.Context, baseCmd *base.Command) error {
 
 	cmdName, err := os.Executable()
 	if err != nil {
-		baseCmd.UI.Error(fmt.Sprintf("unable to find boundary binary for cache startup: %s", err.Error()))
+		baseCmd.UI.Error(fmt.Sprintf("unable to find threshold binary for cache startup: %s", err.Error()))
 		return err
 	}
 	cmd := exec.Command(cmdName, "cache", "stop")