pathways-field-companion

Registers a new iOS device for the Pathways Field Companion ad-hoc build and ships an IPA that installs on it. Use this whenever someone wants to get the app onto a new iPhone/iPad for testing — phrases like "add a device", "register my phone for the build", "add a UDID to the provisioning profile", "get a build that installs on <person>'s phone", or when handed a `.mobileprovision` file and asked to "get a build out for the new device". Covers the full path: Apple Developer portal registration (guided, human-driven), updating the signing secret, and cutting the rebuild release. If a profile path is provided, the portal steps are assumed done — jump straight to shipping the build.