feat: scaffold rednote content projects

lib/storage.ts

@@ -2,10 +2,37 @@ import crypto from "node:crypto";
 import fs from "node:fs/promises";
 import path from "node:path";
 import { PROJECTS_ROOT, TEMPLATES_ROOT } from "./config";
-import type { ProjectMeta } from "./types";
+import type { ContentProjectRecipe, ProjectMeta } from "./types";
 
 const ID_PATTERN = /^[a-z0-9][a-z0-9-]{2,48}$/;
 
+const DEFAULT_RECIPE: ContentProjectRecipe = {
+  positioning: "分享真实、可复用的经验",
+  audience: "对这个主题感兴趣的小红书用户",
+  tone: "真诚自然",
+  contentFormat: "干货教程",
+  titleMethod: "突出具体收益，不夸张、不制造焦虑",
+  bodyStructure: "痛点开场 → 核心方法 → 分点说明 → 行动建议",
+  defaultTags: ["经验分享", "实用干货"],
+};
+
+function cleanText(value: unknown, fallback: string) {
+  return typeof value === "string" && value.trim() ? value.trim().slice(0, 2000) : fallback;
+}
+
+function normalizeRecipe(value: unknown, previous = DEFAULT_RECIPE): ContentProjectRecipe {
+  const input = value && typeof value === "object" ? value as Partial<ContentProjectRecipe> : {};
+  return {
+    positioning: cleanText(input.positioning, previous.positioning),
+    audience: cleanText(input.audience, previous.audience),
+    tone: cleanText(input.tone, previous.tone),
+    contentFormat: cleanText(input.contentFormat, previous.contentFormat),
+    titleMethod: cleanText(input.titleMethod, previous.titleMethod),
+    bodyStructure: cleanText(input.bodyStructure, previous.bodyStructure),
+    defaultTags: Array.isArray(input.defaultTags) ? input.defaultTags.map((item) => cleanText(item, "")).filter(Boolean).slice(0, 20) : previous.defaultTags,
+  };
+}
+
 export function assertProjectId(id: string) {
   if (!ID_PATTERN.test(id)) throw new Error("Invalid project id");
 }
@@ -51,21 +78,48 @@ export async function listProjects() {
   return results.filter((item): item is ProjectMeta => Boolean(item)).sort((a, b) => b.updatedAt.localeCompare(a.updatedAt));
 }
 
-export async function createProject(input: { name?: string; template?: string }) {
+export async function createProject(input: { name?: string; description?: string; recipe?: Partial<ContentProjectRecipe>; template?: string }) {
   const template = input.template || "basic";
   const templateRoot = path.join(/* turbopackIgnore: true */ TEMPLATES_ROOT, template);
   await fs.access(templateRoot);
-  const slug = (input.name || "新小工具").toLowerCase().replace(/[^a-z0-9\u4e00-\u9fff]+/g, "-").replace(/^-|-$/g, "").slice(0, 28) || "tool";
+  const slug = (input.name || "新内容项目").toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-|-$/g, "").slice(0, 28) || "project";
   const id = `${slug}-${crypto.randomBytes(3).toString("hex")}`;
   const root = projectRoot(id);
   await fs.mkdir(root, { recursive: true });
   await fs.cp(templateRoot, workspaceRoot(id), { recursive: true });
   const now = new Date().toISOString();
-  const meta: ProjectMeta = { id, name: input.name || "新小工具", template, revision: 1, createdAt: now, updatedAt: now, lastAccessAt: now };
+  const meta: ProjectMeta = {
+    id,
+    name: cleanText(input.name, "新内容项目").slice(0, 60),
+    description: cleanText(input.description, "用同一套方法持续生成一类小红书内容"),
+    recipe: normalizeRecipe(input.recipe),
+    template,
+    revision: 1,
+    createdAt: now,
+    updatedAt: now,
+    lastAccessAt: now,
+  };
   await fs.writeFile(path.join(root, "project.json"), JSON.stringify(meta, null, 2));
   return meta;
 }
 
+export async function updateProject(id: string, input: { name?: string; description?: string; recipe?: Partial<ContentProjectRecipe>; revision?: number }) {
+  const meta = await readMetaFile(id);
+  if (input.revision !== undefined && input.revision !== meta.revision) {
+    const error = new Error(`Revision conflict: expected ${input.revision}, current ${meta.revision}`);
+    (error as Error & { status?: number }).status = 409;
+    throw error;
+  }
+  meta.name = cleanText(input.name, meta.name).slice(0, 60);
+  meta.description = cleanText(input.description, meta.description);
+  meta.recipe = normalizeRecipe(input.recipe, meta.recipe || DEFAULT_RECIPE);
+  meta.revision += 1;
+  meta.updatedAt = new Date().toISOString();
+  meta.lastAccessAt = meta.updatedAt;
+  await fs.writeFile(path.join(projectRoot(id), "project.json"), JSON.stringify(meta, null, 2));
+  return meta;
+}
+
 export async function listFiles(id: string) {
   await touchProject(id);
   const root = workspaceRoot(id);

lib/types.ts

@@ -1,6 +1,18 @@
+export type ContentProjectRecipe = {
+  positioning: string;
+  audience: string;
+  tone: string;
+  contentFormat: string;
+  titleMethod: string;
+  bodyStructure: string;
+  defaultTags: string[];
+};
+
 export type ProjectMeta = {
   id: string;
   name: string;
+  description: string;
+  recipe: ContentProjectRecipe;
   template: string;
   revision: number;
   createdAt: string;