Read the contents of a file from a site's container.
Max file size: 512KB. Binary files are rejected — use the site's
file manager or SSH for binary files.
Requires: API key with read scope.
Args:
slug: Site identifier
path: Relative path to the file
Returns:
{"path": "wp-config.php", "content": "<?php ...",
"size": 1234, "encoding": "utf-8"}
Errors:
NOT_FOUND: File doesn't exist
VALIDATION_ERROR: File is binary or exceeds 512KB
Connector