Function find_missing_dependencies 

pub fn find_missing_dependencies(
    rule: &LemmaRule,
    document_facts: &[LemmaFact],
    evaluated_results: &[RuleResult],
) -> (Vec<String>, Vec<String>)

Find all missing facts and rules for a rule.

Returns (missing_facts, missing_rules) where:

• missing_facts: Facts that have type annotations (not provided)
• missing_rules: Rules that this rule depends on that couldn’t be evaluated

Used to provide helpful error messages about what inputs are needed to successfully evaluate a rule.

Examples

Given:
  fact price: number
  rule total = price * 2

Returns: (["price [number]"], [])