Function extract_keywords 

pub fn extract_keywords(title: &str) -> Vec<String>

Extracts significant keywords from an issue title for search.

Filters out common stop words and returns lowercase keywords. Extracts keywords from an issue title for relevance matching.

Filters out common stop words and limits to 5 keywords. Used for prioritizing relevant files in repository tree filtering.

Arguments

• title - Issue title to extract keywords from

Returns

Vector of lowercase keywords (max 5), excluding stop words.