Function file_to_package 

pub fn file_to_package(file_path: &Path, packages_dir: &Path) -> Option<String>

Converts a file path to its corresponding package name.

This function extracts the package name from a file path relative to the packages directory. It handles both direct file paths and paths to polykit.toml configuration files.

Arguments

• file_path - The file path to convert
• packages_dir - The base packages directory

Returns

Returns Some(package_name) if a package can be determined, None otherwise.