Copilot: low accuracy for FTP service scaffolding (uses deprecated annotation shape)

[niveathika]

Summary

When asked to scaffold an FTP / SFTP service, Copilot produces the deprecated ftp:Listener(path = "...") shape rather than the modern @ftp:ServiceConfig { path: "..." } annotation on the service.

Repro

Prompt the BI Copilot with something like "Create an FTP service that watches /inbound for CSV files".

Observed:

listener ftp:Listener fileListener = new (path = "/inbound", ...);

service on fileListener {
    remote function onFileCsv(...) returns error? { ... }
}

Expected:

listener ftp:Listener fileListener = new (...);

@ftp:ServiceConfig {
    path: "/inbound"
}
service on fileListener {
    remote function onFileCsv(...) returns error? { ... }
}

Likely cause

path is deprecated on the listener but kept in the ListenerConfiguration record definition for back-compat. It's presumably leaking into the model context from there, so the model still picks it up despite the deprecation.