fix: trim korean word lists to match advertised counts and clamp IME cursor

- korean100: 106 → 100 words
- korean200: 205 → 200 words
- Clamp IME cursor X position to input widget bounds

Author: hulryung

resources/runtime/language/korean100

@@ -98,9 +98,3 @@
 소리
 지나다
 이제
-내다
-다
-바로
-사회
-전
-어머니

resources/runtime/language/korean200

@@ -198,8 +198,3 @@
 나이
 달
 쪽
-서로
-어느
-오르다
-느끼다
-피

src/main.rs

@@ -214,7 +214,8 @@ impl State {
                     let progress_width =
                         ratatui::text::Line::from(test.words[test.current_word].progress.as_str())
                             .width() as u16;
-                    f.set_cursor(inner_x + progress_width, inner_y);
+                    let max_cursor_x = chunks[0].right().saturating_sub(2);
+                    f.set_cursor((inner_x + progress_width).min(max_cursor_x), inner_y);
                 })?;
             }
             State::Results(results) => {