docs: write meshstack login rather than meshstack auth login

Both commands work, and the docs of the CLI, the Terraform provider and
meshStack now name the shorter one throughout.

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

Author: grubmeshi

AGENTS.md

@@ -33,7 +33,7 @@ looks stale.
 
 ## Naming
 
-- **`meshstack`** — the binary, so every invocation reads `meshstack auth login`.
+- **`meshstack`** — the binary, so every invocation reads `meshstack login`.
 - **meshStack CLI** — the product name, used in prose and docs.
 - `github.com/meshcloud/meshstack-cli` — the repository and Go module.
 

client/workspace.go

@@ -38,7 +38,7 @@ type MeshWorkspaceListFilter struct {
 
 type MeshWorkspaceClient interface {
 	// List returns every workspace the credential can see. An unscoped user token reaches this and
-	// almost nothing else, which is why `meshstack auth login` prompts for a workspace from it.
+	// almost nothing else, which is why `meshstack login` prompts for a workspace from it.
 	List(ctx context.Context) ([]MeshWorkspace, error)
 	Read(ctx context.Context, name string) (*MeshWorkspace, error)
 	Create(ctx context.Context, workspace *MeshWorkspaceCreate) (*MeshWorkspace, error)

cmd/profile/profile.go

@@ -14,7 +14,7 @@ func New() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "profile",
 		Short: "Manage the stored profiles",
-		Long: `Manage the profiles that meshstack auth login stores, each an endpoint with its credential and
+		Long: `Manage the profiles that meshstack login stores, each an endpoint with its credential and
 default workspace.
 
 On a terminal, this lists the profiles to add, edit, delete, or make the current one. Elsewhere it

internal/profile/name.go

@@ -18,10 +18,10 @@ var NameSetting = setting.Setting[Name]{
 	Long: func(envKey string) string {
 		return fmt.Sprintf("The profile whose credentials and defaults this run uses, also read from `%s`.\n\n"+
 			"A profile is a named bundle of endpoint and credential, written by "+
-			"`meshstack auth login` into the meshStack CLI's configuration directory. It supplies each of those "+
+			"`meshstack login` into the meshStack CLI's configuration directory. It supplies each of those "+
 			"only where nothing above it did, so it is never an override.\n\n"+
 			"With no name given, the profile is the one whose endpoint matches the endpoint in use, else the one "+
-			"the last `meshstack auth login` selected, else `default`.", envKey)
+			"the last `meshstack login` selected, else `default`.", envKey)
 	},
 	Default: setting.StaticDefault("default"),
 	Parse:   setting.ParseTextUnmarshaler[Name],