feat: ship v0.8.0 with writing logs and AI knowledge extraction

Deliver P5.2 writing day logs, cockpit heatmap, streak tracking, and chapter knowledge auto-extraction with merge review.

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

src/preload/index.ts

@@ -44,7 +44,9 @@ import type {
   KnowledgeType,
   CockpitSummary,
   ChapterBridgeResult,
-  PublishStatus
+  PublishStatus,
+  WritingStats,
+  KnowledgeExtractionResult
 } from '../shared/types'
 
 const electronAPI = {
@@ -461,7 +463,25 @@ const electronAPI = {
       bookId: string,
       opts?: KnowledgeSuggestOptions
     ): Promise<IpcResult<ScoredKnowledge[]>> =>
-      ipcRenderer.invoke(IPC.KNOWLEDGE_SUGGEST_CONTEXT, { bookId, opts })
+      ipcRenderer.invoke(IPC.KNOWLEDGE_SUGGEST_CONTEXT, { bookId, opts }),
+    extractChapter: (
+      bookId: string,
+      chapterId: string
+    ): Promise<IpcResult<KnowledgeExtractionResult>> =>
+      ipcRenderer.invoke(IPC.KNOWLEDGE_EXTRACT_CHAPTER, { bookId, chapterId }),
+    approveMerge: (bookId: string, pendingId: string): Promise<IpcResult<KnowledgeEntry>> =>
+      ipcRenderer.invoke(IPC.KNOWLEDGE_APPROVE_MERGE, { bookId, pendingId }),
+    saveMergeAsNew: (bookId: string, pendingId: string): Promise<IpcResult<KnowledgeEntry>> =>
+      ipcRenderer.invoke(IPC.KNOWLEDGE_SAVE_MERGE_AS_NEW, { bookId, pendingId }),
+    batchApproveHighConfidence: (
+      bookId: string,
+      threshold?: number
+    ): Promise<IpcResult<number>> =>
+      ipcRenderer.invoke(IPC.KNOWLEDGE_BATCH_APPROVE_HIGH_CONFIDENCE, { bookId, threshold })
+  },
+  writing: {
+    getStats: (bookId: string): Promise<IpcResult<WritingStats>> =>
+      ipcRenderer.invoke(IPC.WRITING_GET_STATS, { bookId })
   },
   cockpit: {
     getSummary: (bookId: string, volumeId?: string): Promise<IpcResult<CockpitSummary>> =>