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/api/providers/[id].put.ts

@@ -0,0 +1,22 @@
+import { eq } from 'drizzle-orm'
+import { z } from 'zod'
+
+const schema = z.object({
+  name: z.string().min(1).optional(),
+  type: z.enum(['openai-compatible', 'anthropic', 'google']).optional(),
+  baseUrl: z.string().optional(),
+  // 不传或传空字符串表示保留原有密钥
+  apiKey: z.string().optional()
+})
+
+export default defineEventHandler(async (event) => {
+  const id = param(event)
+  const body = await readJson(event, schema)
+  const patch: Partial<typeof tables.providers.$inferInsert> = {}
+  if (body.name !== undefined) patch.name = body.name
+  if (body.type !== undefined) patch.type = body.type
+  if (body.baseUrl !== undefined) patch.baseUrl = body.baseUrl.trim()
+  if (body.apiKey) patch.apiKeyEnc = encryptSecret(body.apiKey.trim())
+  useDb().update(tables.providers).set(patch).where(eq(tables.providers.id, id)).run()
+  return { ok: true }
+})