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/register.ts

@@ -2,13 +2,21 @@ import { join } from 'path'
 import { app } from 'electron'
 import { GlobalSettingsService } from '../services/global-settings'
 import { BookRegistryService } from '../services/book-registry'
+import { SnapshotService } from '../services/snapshot.service'
 import { ShortcutManager } from '../shortcuts/manager'
 import { registerSettingsHandlers } from './handlers/settings.handler'
 import { registerBookHandlers } from './handlers/book.handler'
 import { registerChapterHandlers } from './handlers/chapter.handler'
 import { registerShortcutHandlers } from './handlers/shortcut.handler'
+import { registerOutlineHandlers } from './handlers/outline.handler'
+import { registerSettingHandlers } from './handlers/setting.handler'
+import { registerInspirationHandlers } from './handlers/inspiration.handler'
+import { registerSnapshotHandlers } from './handlers/snapshot.handler'
+import { registerBookmarkHandlers } from './handlers/bookmark.handler'
+import { registerSearchHandlers } from './handlers/search.handler'
 
 let shortcutManager: ShortcutManager | null = null
+let snapshotService: SnapshotService | null = null
 
 export function registerIpc(): { settings: GlobalSettingsService; books: BookRegistryService; shortcuts: ShortcutManager } {
   const userData = app.getPath('userData')
@@ -16,11 +24,18 @@ export function registerIpc(): { settings: GlobalSettingsService; books: BookReg
   const settings = new GlobalSettingsService(userData)
   const books = new BookRegistryService(userData)
   shortcutManager = new ShortcutManager(settings)
+  snapshotService = new SnapshotService(() => settings.get())
 
   registerSettingsHandlers(settings)
   registerBookHandlers(books)
   registerChapterHandlers(books)
   registerShortcutHandlers(shortcutManager)
+  registerOutlineHandlers(books)
+  registerSettingHandlers(books)
+  registerInspirationHandlers(books)
+  registerSnapshotHandlers(books, snapshotService!)
+  registerBookmarkHandlers(books)
+  registerSearchHandlers(books, settings)
 
   return { settings, books, shortcuts: shortcutManager }
 }
@@ -28,3 +43,7 @@ export function registerIpc(): { settings: GlobalSettingsService; books: BookReg
 export function getShortcutManager(): ShortcutManager | null {
   return shortcutManager
 }
+
+export function getSnapshotService(): SnapshotService | null {
+  return snapshotService
+}