feat: deliver P2 v0.2.0 with unified editor, search, and snapshots

Implement schema v2 migration, outline/setting/inspiration CRUD, unified TipTap editing, reference panel with mentions, FTS global search, chapter version history, writing landmarks, word frequency analysis, light theme contrast fixes, and full unit/E2E test coverage.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/main/ipc/handlers/chapter.handler.ts

@@ -2,6 +2,7 @@ import { ipcMain } from 'electron'
 import { IPC } from '../../../shared/ipc-channels'
 import type { ChapterStatus } from '../../../shared/types'
 import { BookRegistryService } from '../../services/book-registry'
+import { ftsSync } from '../../services/fts-sync.service'
 import { wrap } from '../result'
 
 export function registerChapterHandlers(registry: BookRegistryService): void {
@@ -40,7 +41,9 @@ export function registerChapterHandlers(registry: BookRegistryService): void {
       wrap(() => {
         const repo = registry.getChapterRepo(bookId)
         const sortOrder = repo.nextSortOrder(volumeId)
-        return repo.create(volumeId, title, sortOrder)
+        const chapter = repo.create(volumeId, title, sortOrder)
+        ftsSync.upsert(registry.getDb(bookId), 'chapter', chapter.id, chapter.title, chapter.content)
+        return chapter
       })
   )
 
@@ -81,6 +84,13 @@ export function registerChapterHandlers(registry: BookRegistryService): void {
           status,
           cursorOffset
         })
+        ftsSync.upsert(
+          registry.getDb(bookId),
+          'chapter',
+          chapter.id,
+          chapter.title,
+          chapter.content
+        )
         registry.updateMeta(bookId, { lastChapterId: chapterId })
         return chapter
       })
@@ -91,6 +101,7 @@ export function registerChapterHandlers(registry: BookRegistryService): void {
     (_event, { bookId, chapterId }: { bookId: string; chapterId: string }) =>
       wrap(() => {
         registry.getChapterRepo(bookId).delete(chapterId)
+        ftsSync.remove(registry.getDb(bookId), 'chapter', chapterId)
       })
   )
 }