Fix: boundary fix in help/dict views

src/state/ui.rs

@@ -1,4 +1,4 @@
-use std::cell::RefCell;
+use std::cell::{Cell, RefCell};
 use std::time::{Duration, Instant};
 
 use cagire_markdown::ParsedMarkdown;
@@ -57,6 +57,8 @@ pub struct UiState {
     pub dict_scrolls: Vec<usize>,
     pub dict_search_query: String,
     pub dict_search_active: bool,
+    pub help_max_scroll: Cell<usize>,
+    pub dict_max_scroll: Cell<usize>,
     pub help_collapsed: Vec<bool>,
     pub help_on_section: Option<usize>,
     pub dict_collapsed: Vec<bool>,
@@ -107,6 +109,8 @@ impl Default for UiState {
             dict_scrolls: vec![0; crate::model::categories::category_count()],
             dict_search_query: String::new(),
             dict_search_active: false,
+            help_max_scroll: Cell::new(usize::MAX),
+            dict_max_scroll: Cell::new(usize::MAX),
             help_collapsed: vec![false; crate::model::docs::section_count()],
             help_on_section: None,
             dict_collapsed: vec![false; crate::model::categories::section_count()],