Function merged_strength 

pub fn merged_strength(
    needle: &str,
    kind: &ResourceKind,
    title: &str,
    subtitle: Option<&str>,
    score: i32,
    top: i32,
    proximity: f32,
) -> f32

One hit’s strength against every other provider’s: its lexical fit, its provider’s normalized score, launch intent for a perfect application match, and the caller’s contextual proximity boost.