`migrate init` generates invalid JSON: `${DB_PORT}` missing quotes in `.cfmigrations.json`

[edyionescu]

The migrate init command generates the .cfmigrations.json file with invalid JSON that causes migrate install (and likely other commands) to fail.

Steps to reproduce

1. Run migrate init
2. Inspect the generated .cfmigrations.json - the port field reads:

port: ${DB_PORT},

3. Run migrate install

Expected behavior

The generated file should contain valid JSON with the placeholder quoted:

"port": "${DB_PORT}",

Actual behavior

migrate install fails with a JSON parse error:

ERROR (6.3.2+00858)

Invalid Syntax Closing [}] not found

\modules\coldbox-cli\modules\commandbox-migrations\models\BaseMigrationCommand.cfc: line 81

Environment

• commandbox-migrations: 5.3.0