fix: book create recovers from interrupted init + ensure chapters dir

packages/cli/src/commands/book.ts

@@ -45,7 +45,15 @@ bookCommand
       const bookDir = join(root, "books", bookId);
       try {
         await access(bookDir);
-        throw new Error(`Book "${bookId}" already exists at books/${bookId}/. Use a different title or delete the existing book first.`);
+        // Directory exists — check if it's a complete book or an interrupted init
+        try {
+          await access(join(bookDir, "story", "story_bible.md"));
+          throw new Error(`Book "${bookId}" already exists at books/${bookId}/. Use a different title or delete the existing book first.`);
+        } catch (inner) {
+          if (inner instanceof Error && inner.message.includes("already exists")) throw inner;
+          // story_bible.md missing → incomplete init, allow re-run
+          if (!opts.json) log(`Resuming incomplete book creation for "${bookId}"...`);
+        }
       } catch (e) {
         if (e instanceof Error && e.message.includes("already exists")) throw e;
         // Directory doesn't exist, good

packages/core/src/pipeline/runner.ts

@@ -186,6 +186,9 @@ export class PipelineRunner {
     const { profile: gp } = await this.loadGenreProfile(book.genre);
     const foundation = await architect.generateFoundation(book, this.config.externalContext);
     await architect.writeFoundationFiles(bookDir, foundation, gp.numericalSystem);
+
+    // Ensure chapters directory exists (prevents ENOENT if init was previously interrupted)
+    await mkdir(join(bookDir, "chapters"), { recursive: true });
     await this.state.saveChapterIndex(book.id, []);
   }
 

skills/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: inkos
-description: Autonomous novel writing CLI agent - use for creative fiction writing, novel generation, style imitation, chapter continuation/import, and AIGC detection. Supports Chinese web novel genres (xuanhuan, xianxia, urban, horror, other) with multi-agent pipeline, two-phase writer (creative + settlement), and 33-dimension auditing.
-version: 1.1.0
+description: Autonomous novel writing CLI agent - use for creative fiction writing, novel generation, style imitation, chapter continuation/import, EPUB export, and AIGC detection. Supports Chinese web novel genres (xuanhuan, xianxia, urban, horror, other) with multi-agent pipeline, two-phase writer (creative + settlement), 33-dimension auditing, and token usage analytics.
+version: 1.3.0
 metadata: { "openclaw": { "emoji": "📖", "requires": { "bins": ["inkos", "node"], "env": [] }, "primaryEnv": "", "homepage": "https://github.com/Narcooo/inkos", "install": [{ "id": "npm", "kind": "node", "package": "@actalk/inkos", "label": "Install InkOS (npm)" }] } }
 ---
 
@@ -67,9 +67,10 @@ inkos status
    inkos review approve-all book-id
    ```
 
-4. **Export the book**:
+4. **Export the book** (supports txt, md, epub):
    ```bash
    inkos export book-id
+   inkos export book-id --format epub
    ```
 
 ### Workflow 2: Continue Writing Existing Novel
@@ -195,10 +196,13 @@ inkos detect book-id --all
 
 ```bash
 inkos analytics book-id --json
+# Shorthand alias
+inkos stats book-id --json
 ```
 - Total chapters, word count, average words per chapter
 - Audit pass rate and top issue categories
 - Chapters with most issues, status distribution
+- **Token usage stats**: total prompt/completion tokens, avg tokens per chapter, recent trend
 
 ## Advanced: Natural Language Agent Mode
 
@@ -290,8 +294,8 @@ inkos genre copy xuanhuan --name "dark-xuanhuan" --rules "darker tone, more viol
 | `inkos import canon` | Link spinoff to parent | For prequels/sequels |
 | `inkos import chapters` | Import existing chapters | Reverse-engineers truth files for continuation |
 | `inkos detect` | AIGC detection | Flags AI-generated passages |
-| `inkos export` | Export finished book | Outputs formatted manuscript |
-| `inkos analytics` | View book statistics | Word count, audit rates, issues |
+| `inkos export` | Export finished book | Formats: txt, md, epub |
+| `inkos analytics` / `inkos stats` | View book statistics | Word count, audit rates, token usage |
 | `inkos radar scan` | Platform trend analysis | Informs new book ideas |
 | `inkos config set-global` | Configure LLM provider | OpenAI/Anthropic/compatible |
 | `inkos doctor` | Diagnose issues | Check installation |