Update from source

cmd/auth.go

@@ -205,7 +205,8 @@ re-authenticates whichever profile is currently selected (see 'cio profile').`,
 				client.SandboxServiceAccountTokenPrefix,
 				token[:min(len(token), 10)])
 			output.PrintError(output.CodeValidationError, err.Error(), map[string]any{
-				"hint": "Production service account tokens start with sa_live_. Sandbox Builder accounts use sa_sandbox_ until go-live.",
+				"hint": fmt.Sprintf("Service account tokens start with sa_live_. Copy the token from the token page (%s) or run cio auth signup for a new account.",
+					resolveCLILoginURL(resolveLoginBaseURL(cmd))),
 			})
 			return err
 		}

cmd/prime_context.md

@@ -85,7 +85,7 @@ Skills provide behavioral guidance, multi-step workflows, and gotchas that are N
 cio skills                              # list available skills
 cio skills read fly-api                 # Customer.io API guidance — routes to sub-files
 cio skills read fly-api/campaigns.md    # campaign workflows, edge wiring, gotchas
-cio skills read cio                     # skills unique to the CLI (onboarding, auth/login, integration, go-live)
+cio skills read cio                     # skills unique to the CLI (onboarding, auth/login, integration)
 cio skills read design-studio           # Design Studio email creation workflow
 cio skills read design-studio/nodes.md  # node creation, component markup
 ```

skills/cio/SKILL.md

@@ -1,11 +1,12 @@
 ---
 name: cio
 description: >
-  Customer.io CLI - use for Customer.io, Journeys, CDP Pipelines, builder
-  onboarding, sandbox testing, app integration, SDK setup, transactional
-  messaging, billing activation, going live, service account tokens, sources,
-  destinations, identify/track events, and fly.customer.io / cdp.customer.io
-  errors. Trigger even when the user does not name the CLI.
+  Customer.io CLI - use for Customer.io, Journeys, CDP Pipelines, new-account
+  onboarding and signup, app integration, SDK setup, message design, message
+  automation (automations, broadcasts, transactional messages), plans and
+  billing, service account tokens, sources, destinations, identify/track
+  events, and fly.customer.io / cdp.customer.io errors. Trigger even when the
+  user does not name the CLI.
 ---
 
 # Customer.io (`cio`)
@@ -36,9 +37,8 @@ Use runtime references instead of copying large playbooks into this skill:
 
 Common routing:
 
-- Builder/startup setup, signup, sandbox, first app integration,
-  transactional proof, billing activation checks, and go-live start with
-  `cio prime` and `cio skills read cio`.
+- New-account setup, signup and login, first app integration, and plan or
+  billing questions start with `cio prime` and `cio skills read cio`.
 - Existing Journeys resources such as campaigns, segments, templates,
   customers, newsletters, and subscription topics should use
   `cio skills read fly-api`.