Feat: WIP terse code documentation

crates/ratatui/src/editor.rs

@@ -1,3 +1,5 @@
+//! Script editor widget with completion, search, and sample finder popups.
+
 use std::cell::Cell;
 
 use crate::theme;
@@ -10,8 +12,10 @@ use ratatui::{
 };
 use tui_textarea::TextArea;
 
+/// Callback that syntax-highlights a single line, returning styled spans (bool = annotation).
 pub type Highlighter<'a> = &'a dyn Fn(usize, &str) -> Vec<(Style, String, bool)>;
 
+/// Metadata for a single autocomplete entry.
 #[derive(Clone)]
 pub struct CompletionCandidate {
     pub name: String,
@@ -78,6 +82,7 @@ impl SearchState {
     }
 }
 
+/// Multi-line text editor backed by tui_textarea.
 pub struct Editor {
     text: TextArea<'static>,
     completion: CompletionState,
@@ -702,6 +707,7 @@ impl Editor {
     }
 }
 
+/// Score a fuzzy match of `query` against `target`. Lower is better; `None` if no match.
 pub fn fuzzy_match(query: &str, target: &str) -> Option<usize> {
     let target_lower: Vec<char> = target.to_lowercase().chars().collect();
     let query_lower: Vec<char> = query.to_lowercase().chars().collect();