Notes: multiple notes per section with last-edited dates, delete, sort by recently edited; Word export now readable; shared note-format module + tests; v2.43.0

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/routes/study-account.js

@@ -1,3 +1,4 @@
+import { noteEntriesToText } from '../../shared/note-format.js'
 import { randomUUID, timingSafeEqual } from 'node:crypto'
 import rateLimit from 'express-rate-limit'
 import { Document, Packer, Paragraph, HeadingLevel, TextRun } from 'docx'
@@ -87,7 +88,7 @@ export function register(app) {
       const sectionId = dashIndex >= 0 ? noteKey.slice(dashIndex + 2) : noteKey
       if (!studyEntries[studySlug]) studyEntries[studySlug] = {}
       studyEntries[studySlug][sectionId] = studyEntries[studySlug][sectionId] || {}
-      studyEntries[studySlug][sectionId].noteText = noteText.trim()
+      studyEntries[studySlug][sectionId].noteText = noteEntriesToText(noteText) || noteText.trim()
     }
 
     for (const [studySlug, studyProgress] of Object.entries(progress.byStudy)) {