wmo-raf/alertwise

AI Summary: The task is to fix a bug in the Alertwise CAP alert composer where the `eventCode` field is not correctly handling multiple values or compound event names. The solution needs to ensure that `eventCode` uses the correct vocabulary name (e.g., OET:v1.2) and that the system correctly processes alerts with single, well-formed `eventCode` values, preventing issues with external systems like Google's CAP processing.

AI Summary: The task requires modifying the Alertwise CAP alert composer to ensure that URLs within the `<web>` element of generated CAP alerts are always absolute, not relative. This involves updating the application's logic to construct absolute URLs correctly, potentially handling different URL schemes and ensuring compliance with CAP validation rules. The `<web>` element should only be used when it provides additional value beyond the alert content itself, and never to simply repeat the alert's URL or link to the issuing agency's general website.