feat: ship v0.7.0 with AI knowledge context integration

Add semi-automatic knowledge suggestions and user-confirmed injection across chat, interactive, auto, and wizard modes; fix writing flows to persist full systemPrompt in contextJson.

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

src/main/services/ai-context-builder.service.ts

@@ -1,15 +1,24 @@
 import { stripHtml } from './word-count'
-import type { AiContextBinding, AiContextBuildResult, ContextPreviewItem } from '../../shared/types'
+import type {
+  AiContextBinding,
+  AiContextBuildResult,
+  ContextPreviewItem,
+  KnowledgeType
+} from '../../shared/types'
 import type { BookRegistryService } from './book-registry'
+import { KnowledgeRepository } from '../db/repositories/knowledge.repo'
 
 const CHAPTER_CHAR_LIMIT = 2000
 const OTHER_CHAR_LIMIT = 500
+const KNOWLEDGE_CHAR_LIMIT = 500
+const KNOWLEDGE_TOTAL_LIMIT = 4000
 const TOTAL_CHAR_LIMIT = 16 * 1024
 
 interface BlockCandidate {
   sortKey: number
   text: string
   preview: ContextPreviewItem
+  isKnowledge?: boolean
 }
 
 function truncate(text: string, max: number): string {
@@ -17,12 +26,33 @@ function truncate(text: string, max: number): string {
   return `${text.slice(0, max)}…`
 }
 
+function knowledgeTypeLabel(type: KnowledgeType): string {
+  const map: Record<KnowledgeType, string> = {
+    character: '角色',
+    foreshadow: '伏笔',
+    location: '地点',
+    relationship: '关系',
+    fact: '事实'
+  }
+  return map[type]
+}
+
 function formatBlock(kind: ContextPreviewItem['kind'], title: string, body: string): string {
   const label =
-    kind === 'chapter' ? '章节' : kind === 'outline' ? '大纲' : kind === 'setting' ? '设定' : '灵感'
+    kind === 'chapter'
+      ? '章节'
+      : kind === 'outline'
+        ? '大纲'
+        : kind === 'setting'
+          ? '设定'
+          : '灵感'
   return `【${label}】${title}\n${body}`
 }
 
+function formatKnowledgeBlock(type: KnowledgeType, title: string, body: string): string {
+  return `【知识·${knowledgeTypeLabel(type)}】${title}\n${body}`
+}
+
 export class AiContextBuilderService {
   build(
     binding: AiContextBinding,
@@ -34,6 +64,7 @@ export class AiContextBuilderService {
     if (!meta) throw new Error('Book not found')
 
     const candidates: BlockCandidate[] = []
+    const knowledgeIds = binding.knowledgeIds ?? []
 
     for (const id of binding.chapterIds) {
       const chapter = registry.getChapterRepo(bookId).get(id)
@@ -104,6 +135,38 @@ export class AiContextBuilderService {
       })
     }
 
+    const knowledgeRepo = new KnowledgeRepository(registry.getDb(bookId))
+    const knowledgeCandidates: BlockCandidate[] = []
+    for (const id of knowledgeIds) {
+      const entry = knowledgeRepo.get(id)
+      if (!entry || entry.status !== 'approved') continue
+      const body = truncate(stripHtml(entry.content || entry.title), KNOWLEDGE_CHAR_LIMIT)
+      knowledgeCandidates.push({
+        sortKey: entry.importance * 1000,
+        isKnowledge: true,
+        text: formatKnowledgeBlock(entry.type, entry.title, body),
+        preview: {
+          kind: 'knowledge',
+          id,
+          title: entry.title,
+          excerpt: body,
+          charCount: body.length,
+          knowledgeType: entry.type
+        }
+      })
+    }
+    knowledgeCandidates.sort((a, b) => b.sortKey - a.sortKey)
+
+    let knowledgeChars = 0
+    const trimmedKnowledge: BlockCandidate[] = []
+    for (const k of knowledgeCandidates) {
+      const next = knowledgeChars + k.text.length + (trimmedKnowledge.length > 0 ? 2 : 0)
+      if (next > KNOWLEDGE_TOTAL_LIMIT) break
+      trimmedKnowledge.push(k)
+      knowledgeChars = next
+    }
+
+    candidates.push(...trimmedKnowledge)
     candidates.sort((a, b) => b.sortKey - a.sortKey)
 
     const selected: BlockCandidate[] = []