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/shared/types.ts

@@ -10,6 +10,15 @@ export type ThemeId =
 export type Language = 'zh-CN' | 'en'
 export type ChapterStatus = 'draft' | 'review' | 'done'
 export type BookStatus = 'draft' | 'ongoing' | 'done'
+export type PublishStatus = 'draft' | 'ready' | 'published'
+export type OutlineStatus = 'pending' | 'writing' | 'done' | 'abandoned'
+export type SettingType = 'character' | 'location' | 'item' | 'skill' | 'faction' | 'custom'
+export type SnapshotType = 'auto' | 'manual' | 'persist' | 'ai'
+export type LandmarkType = 'todo' | 'foreshadow' | 'research' | 'custom'
+export type EditTargetKind = 'chapter' | 'outline' | 'setting' | 'inspiration'
+export type EditTarget = { kind: EditTargetKind; id: string }
+export type SearchScope = 'all' | 'volume' | 'chapter'
+export type SearchSourceKind = 'chapter' | 'outline' | 'setting' | 'inspiration' | 'bookmark'
 
 export type ActionId =
   | 'saveChapter'
@@ -47,6 +56,10 @@ export interface GlobalSettings {
   language: Language
   dailyWordGoal: number
   shortcuts: Record<ActionId, string>
+  snapshotIntervalMs: number
+  snapshotMaxAuto: number
+  snapshotMaxPersist: number
+  searchHistory: string[]
 }
 
 export interface BookMeta {
@@ -84,12 +97,91 @@ export interface Chapter {
   wordCount: number
   sortOrder: number
   cursorOffset: number
+  publishStatus?: PublishStatus
+  povCharacterId?: string | null
+  summary?: string
+  storyTime?: string | null
+}
+
+export interface OutlineItem {
+  id: string
+  parentId: string | null
+  title: string
+  description: string
+  status: OutlineStatus
+  expectedWordCount: number | null
+  chapterId: string | null
+  sortOrder: number
+  createdAt: string
+  updatedAt: string
+  children?: OutlineItem[]
+}
+
+export interface SettingEntry {
+  id: string
+  type: SettingType
+  name: string
+  description: string
+  properties: Record<string, unknown>
+  chapterIds?: string[]
+  createdAt: string
+  updatedAt: string
+}
+
+export interface InspirationEntry {
+  id: string
+  title: string
+  content: string
+  tags: string[]
+  createdAt: string
+  updatedAt: string
+}
+
+export interface Snapshot {
+  id: string
+  chapterId: string
+  type: SnapshotType
+  name: string
+  content: string
+  createdAt: string
+}
+
+export interface Bookmark {
+  id: string
+  chapterId: string
+  position: number
+  label: string
+  landmarkType: LandmarkType
+  resolved: boolean
+  createdAt: string
+}
+
+export interface SearchOptions {
+  regex?: boolean
+  caseSensitive?: boolean
+  matchWholeWord?: boolean
+}
+
+export interface SearchResult {
+  kind: SearchSourceKind
+  id: string
+  title: string
+  snippet: string
+  chapterId?: string
+  position?: number
+}
+
+export interface WordFreqResult {
+  words: { token: string; count: number }[]
 }
 
 export interface BookOpenResult {
   meta: BookMeta
   volumes: Volume[]
   chapters: Chapter[]
+  outlines: OutlineItem[]
+  settings: SettingEntry[]
+  inspirations: InspirationEntry[]
 }
 
 export interface UpdateChapterParams {