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/services/fts-sync.service.ts

@@ -0,0 +1,68 @@
+import type { SearchSourceKind } from '../../shared/types'
+import { stripHtml } from './word-count'
+import type { SqliteDb } from '../db/types'
+
+export class FtsSyncService {
+  upsert(db: SqliteDb, kind: SearchSourceKind, id: string, title: string, body: string): void {
+    const plainBody = stripHtml(body)
+    db.prepare('DELETE FROM search_fts WHERE source_kind = ? AND source_id = ?').run(kind, id)
+    db.prepare(
+      'INSERT INTO search_fts (source_kind, source_id, title, body) VALUES (?, ?, ?, ?)'
+    ).run(kind, id, title, plainBody)
+  }
+
+  remove(db: SqliteDb, kind: SearchSourceKind, id: string): void {
+    db.prepare('DELETE FROM search_fts WHERE source_kind = ? AND source_id = ?').run(kind, id)
+  }
+
+  rebuildAll(db: SqliteDb): void {
+    db.exec('DELETE FROM search_fts')
+
+    const chapters = db.prepare('SELECT id, title, content FROM chapters').all() as {
+      id: string
+      title: string
+      content: string
+    }[]
+    for (const ch of chapters) {
+      this.upsert(db, 'chapter', ch.id, ch.title, ch.content)
+    }
+
+    const outlines = db.prepare('SELECT id, title, description FROM outline_items').all() as {
+      id: string
+      title: string
+      description: string
+    }[]
+    for (const o of outlines) {
+      this.upsert(db, 'outline', o.id, o.title, o.description)
+    }
+
+    const settings = db.prepare('SELECT id, name, description FROM settings').all() as {
+      id: string
+      name: string
+      description: string
+    }[]
+    for (const s of settings) {
+      this.upsert(db, 'setting', s.id, s.name, s.description)
+    }
+
+    const inspirations = db.prepare('SELECT id, title, content FROM inspiration').all() as {
+      id: string
+      title: string
+      content: string
+    }[]
+    for (const i of inspirations) {
+      this.upsert(db, 'inspiration', i.id, i.title, i.content)
+    }
+
+    const bookmarks = db.prepare('SELECT id, label, chapter_id FROM bookmarks').all() as {
+      id: string
+      label: string
+      chapter_id: string
+    }[]
+    for (const b of bookmarks) {
+      this.upsert(db, 'bookmark', b.id, b.label, b.label)
+    }
+  }
+}
+
+export const ftsSync = new FtsSyncService()