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>

shared/note-format.d.ts

@@ -0,0 +1,14 @@
+export type NoteAnchorId = 'scripture' | 'commentary' | 'questions' | 'general'
+export interface NoteEntry {
+  id: string
+  anchor: NoteAnchorId
+  html: string
+  updatedAt: string | null
+}
+export const NOTE_ANCHORS: NoteAnchorId[]
+export const NOTE_ANCHOR_LABELS: Record<NoteAnchorId, string>
+export function newNoteId(): string
+export function parseNoteEntries(raw: string): NoteEntry[]
+export function serializeNoteEntries(entries: NoteEntry[]): string
+export function noteHtmlToText(html: string): string
+export function noteEntriesToText(raw: string): string