feat: support desktop exams with strict answer text verification

bank-store.js

@@ -10,9 +10,11 @@
   let importQueue = Promise.resolve();
 
   function normalize(value) {
-    return String(value == null ? '' : value).normalize('NFKC')
-      .replace(/[−﹣]/g, '-').replace(/\u00a0/g, ' ')
-      .replace(/[\s\u200b\uFEFF]+/g, ' ').trim().toLowerCase();
+    // Answer identity must retain case, unit spelling, superscripts and punctuation.
+    // Only presentation whitespace and invisible layout characters are cleaned.
+    return String(value == null ? '' : value)
+      .replace(/[\u200b-\u200d\u2060\uFEFF]/g, '')
+      .replace(/\s+/g, ' ').trim();
   }
 
   function normalizeType(value) {
@@ -109,7 +111,7 @@
   }
 
   function boolValue(value) {
-    const text = normalize(value);
+    const text = normalize(value).toLowerCase();
     if (/^(正确|对|是|true|√|✓)$/.test(text)) return 'true';
     if (/^(错误|错|否|false|×|✗)$/.test(text)) return 'false';
     return '';