refactor(nav): refactor book nav service with TOC enrichment (#3874)

apps/readest-app/src/app/reader/components/annotator/Annotator.tsx

@@ -24,7 +24,7 @@ import { useTextSelector } from '../../hooks/useTextSelector';
 import { Point, Position, TextSelection } from '@/utils/sel';
 import { getPopupPosition, getPosition, getTextFromRange } from '@/utils/sel';
 import { eventDispatcher } from '@/utils/event';
-import { findTocItemBS } from '@/utils/toc';
+import { findTocItemBS } from '@/services/nav';
 import { throttle } from '@/utils/throttle';
 import { runSimpleCC } from '@/utils/simplecc';
 import { getWordCount } from '@/utils/word';

apps/readest-app/src/app/reader/components/annotator/ExportMarkdownDialog.tsx

@@ -195,7 +195,10 @@ const ExportMarkdownDialog: React.FC<ExportMarkdownDialogProps> = ({
           }
           if (pageStr || timestampStr) {
             lines.push('');
-            const infoStr = pageStr ? `${pageStr} · ${timestampStr}`.trim() : timestampStr;
+            const infoStr =
+              pageStr && timestampStr
+                ? `${pageStr} · ${timestampStr}`.trim()
+                : pageStr || timestampStr;
             lines.push(`*${infoStr}*`);
           }