Multi-account and apps

gps accounts add phosum --credentials /secrets/phosum-sa.json --default-package com.phosum --default
gps accounts add acme --credentials /secrets/acme-sa.json --default-package com.acme.app
gps accounts list
gps accounts use phosum

gps apps add com.phosum --account phosum --name "Phosum" --default
gps apps add com.other.app --account phosum --name "Other"
gps apps add com.acme.app --account acme --name "Acme"
gps apps list
gps apps check   # probes listings access per registered package

{
  "defaultAccount": "phosum",
  "accounts": {
    "phosum": {
      "credentialsPath": "/secrets/phosum-sa.json",
      "defaultPackage": "com.phosum",
      "apps": [
        { "packageName": "com.phosum", "displayName": "Phosum" },
        { "packageName": "com.other.app", "displayName": "Other" }
      ]
    },
    "acme": {
      "credentialsPath": "/secrets/acme-sa.json",
      "defaultPackage": "com.acme.app",
      "apps": [
        { "packageName": "com.acme.app", "displayName": "Acme" }
      ]
    }
  }
}

gps --account phosum --package com.phosum tracks list
gps --account acme reviews list

# If a package is registered under exactly one account, --account can be omitted:
gps --package com.phosum tracks list

gps-mcp --account phosum --credentials /secrets/phosum-sa.json