feat: ship v1.1.0 writer toolkit with templates, import, export, and inspiration capture

Implement chapter templates, txt/md/docx import, submission export presets, and global inspiration shortcut. Split import handlers into a separate main bundle and fix EditorLayout setTarget loop that broke E2E.

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

tests/fixtures/import-three-chapters.txt

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+# 第一章 开端
+
+这是第一章的正文内容。
+
+# 第二章 发展
+
+这是第二章的正文内容。
+
+# 第三章 结局
+
+这是第三章的正文内容。

tests/main/chapter-splitter.test.ts

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+import { describe, it, expect } from 'vitest'
+import { splitPlainText } from '../../src/main/lib/chapter-splitter'
+
+const SAMPLE = `前言内容
+
+# 第一章 开端
+
+第一段正文。
+
+# 第二章 发展
+
+第二段正文。
+
+# 第三章 结局
+
+第三段正文。`
+
+describe('chapter-splitter', () => {
+  it('UT-IMPORT-01: auto split finds 3 chapters', () => {
+    const parts = splitPlainText(SAMPLE, 'auto')
+    expect(parts).toHaveLength(3)
+    expect(parts[0]!.title).toContain('第一章')
+    expect(parts[2]!.title).toContain('第三章')
+  })
+
+  it('paragraph mode splits by blank lines', () => {
+    const text = '标题一\n\n正文一\n\n标题二\n\n正文二'
+    const parts = splitPlainText(text, 'paragraph')
+    expect(parts.length).toBeGreaterThanOrEqual(2)
+  })
+})

tests/main/chapter-template.test.ts

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+import { describe, it, expect } from 'vitest'
+import { replaceChapterTemplate, plainTextToEditorHtml } from '../../src/shared/chapter-template'
+
+const baseCtx = {
+  chapterNumber: 1,
+  chapterTitle: '测试',
+  penName: '笔名',
+  date: '2026-07-08',
+  volumeName: '第一卷',
+  previousChapterTitle: '上一章',
+  outlineItem: '',
+  characterList: '甲,乙'
+}
+
+describe('chapter-template', () => {
+  it('UT-TEMPL-01: replaces chapterNumber and chapterTitle', () => {
+    const result = replaceChapterTemplate('第{chapterNumber}章 {chapterTitle}', {
+      ...baseCtx,
+      chapterNumber: 5,
+      chapterTitle: '觉醒'
+    })
+    expect(result).toBe('第5章 觉醒')
+  })
+
+  it('UT-TEMPL-02: replaces volumeName', () => {
+    const result = replaceChapterTemplate('卷：{volumeName}', {
+      ...baseCtx,
+      volumeName: '第一卷 觉醒'
+    })
+    expect(result).toBe('卷：第一卷 觉醒')
+  })
+
+  it('UT-TEMPL-03: replaces characterList', () => {
+    const result = replaceChapterTemplate('出场：{characterList}', baseCtx)
+    expect(result).toBe('出场：甲,乙')
+  })
+
+  it('plainTextToEditorHtml wraps paragraphs', () => {
+    const html = plainTextToEditorHtml('第一段\n\n第二段')
+    expect(html).toContain('<p>')
+    expect(html).toContain('第一段')
+    expect(html).toContain('第二段')
+  })
+})

tests/main/import.service.test.ts

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+import { describe, it, expect, beforeEach, afterEach } from 'vitest'
+import { readFileSync, mkdtempSync, rmSync } from 'fs'
+import { join } from 'path'
+import { tmpdir } from 'os'
+import { BookRegistryService } from '../../src/main/services/book-registry'
+import { splitPlainText } from '../../src/main/lib/chapter-splitter'
+import { VolumeRepository } from '../../src/main/db/repositories/volume.repo'
+import { ChapterRepository } from '../../src/main/db/repositories/chapter.repo'
+import { closeAllBookDbs } from '../../src/main/db/connection'
+
+const FIXTURE = join(import.meta.dirname, '../fixtures/import-three-chapters.txt')
+
+describe('Import integration', () => {
+  let dir: string
+  let registry: BookRegistryService
+
+  beforeEach(() => {
+    dir = mkdtempSync(join(tmpdir(), 'bilin-import-'))
+    registry = new BookRegistryService(dir)
+  })
+
+  afterEach(() => {
+    closeAllBookDbs()
+    rmSync(dir, { recursive: true, force: true })
+  })
+
+  it('IT-IMPORT-01: split + create book chapters', () => {
+    const parts = splitPlainText(readFileSync(FIXTURE, 'utf8'), 'auto')
+    expect(parts).toHaveLength(3)
+
+    const meta = registry.create({
+      name: '导入测试书',
+      category: '玄幻',
+      createSampleChapter: false
+    })
+    const db = registry.getDb(meta.id)
+    const volId = new VolumeRepository(db).list()[0]!.id
+    const chapterRepo = new ChapterRepository(db)
+    parts.forEach((p, i) => {
+      chapterRepo.create(volId, p.title, i, `<p>${p.body}</p>`)
+    })
+
+    const opened = registry.open(meta.id)
+    expect(opened.chapters).toHaveLength(3)
+    expect(opened.chapters[0]!.title).toContain('第一章')
+  })
+})

tests/main/submission-formatter.test.ts

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+import { describe, it, expect } from 'vitest'
+import { formatChapterForSubmission } from '../../src/main/lib/submission-formatter'
+import { BUILTIN_SUBMISSION_PRESETS } from '../../src/shared/builtin-templates'
+
+const preset = BUILTIN_SUBMISSION_PRESETS[0]!
+
+describe('submission-formatter', () => {
+  it('UT-EXPORT-01: indentParagraphs adds fullwidth spaces', () => {
+    const text = formatChapterForSubmission({
+      chapterNumber: 1,
+      chapterTitle: '测试',
+      contentHtml: '<p>第一段</p><p>第二段</p>',
+      preset
+    })
+    expect(text).toContain('　　第一段')
+    expect(text).toContain('　　第二段')
+  })
+
+  it('UT-EXPORT-02: title format', () => {
+    const text = formatChapterForSubmission({
+      chapterNumber: 1,
+      chapterTitle: '觉醒',
+      contentHtml: '<p>正文</p>',
+      preset
+    })
+    expect(text.startsWith('# 第1章 觉醒')).toBe(true)
+  })
+})