AI 小说工坊：主编 + 作家多模型协作写作应用

- Nuxt 4 + Nuxt UI 4 + AI SDK 7 + Drizzle/SQLite
- 主编规划大纲与章节简报、选派作家；作家流式写入章节文件并实时推送前端
- 逐章确认模式（默认）与自动模式；摘要与故事记忆
- 酒馆角色卡（PNG/JSON，V1-V3）与世界书导入
- 自定义最高优先级系统提示词、审稿/修改/多版本、任务日志与提示词检视
- 模拟 LLM 服务与端到端测试脚本

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

server/utils/events.ts

@@ -0,0 +1,24 @@
+import type { ProjectEvent } from '#shared/types'
+
+type Listener = (e: ProjectEvent) => void
+
+const listeners = new Map<string, Set<Listener>>()
+
+export function subscribeProject(projectId: string, fn: Listener) {
+  let set = listeners.get(projectId)
+  if (!set) listeners.set(projectId, set = new Set())
+  set.add(fn)
+  return () => {
+    set!.delete(fn)
+    if (!set!.size) listeners.delete(projectId)
+  }
+}
+
+export function emitProject(projectId: string, e: ProjectEvent) {
+  const set = listeners.get(projectId)
+  if (!set) return
+  for (const fn of set) {
+    try { fn(e) }
+    catch (err) { console.error('[events] listener error', err) }
+  }
+}