feat(cook): 支持菜谱数据分片加载与增量更新

- CLI 转换命令新增 --chunk-size 参数，支持将菜谱数据拆分为多个分片文件
- 前端 DB 初始化重构，支持单文件和分片两种模式
- 分片模式下通过 hash 比对实现增量更新，减少重复数据加载
- .gitignore 新增 recipe-meta.json 和 recipe-chunk-*.json 忽略规则
- 升级 vite、vitest 等依赖

packages/cook/package.json

@@ -14,7 +14,7 @@
   "dependencies": {
     "@clack/prompts": "^1.1.0",
     "@cook/types": "workspace:*",
-    "@larksuiteoapi/node-sdk": "^1.59.0",
+    "@larksuiteoapi/node-sdk": "^1.60.0",
     "cac": "^7.0.0",
     "consola": "^3.4.2",
     "papaparse": "^5.5.3"

packages/cook/src/commands/convert.ts

@@ -1,11 +1,15 @@
+import crypto from 'node:crypto'
 import fs from 'node:fs'
 import path from 'node:path'
 import consola from 'consola'
 import {
+  CHUNK_SIZE,
+  CHUNK_THRESHOLD,
   incompatibleFoodsCsvFile,
   incompatibleFoodsJsonFile,
   recipeCsvFile,
   recipeJsonFile,
+  recipeMetaJsonFile,
   rootDir,
 } from '../utils/config.js'
 import { parseIncompatibleFoodsCsv, parseRecipeCsv } from '../utils/csv.js'
@@ -13,9 +17,30 @@ import { parseIncompatibleFoodsCsv, parseRecipeCsv } from '../utils/csv.js'
 // 正则表达式预编译,避免每次调用时重新编译
 const DATE_SLASH_REGEX = /\//g
 const LAST_DB_UPDATED_REGEX = /export const lastDbUpdated = '.+'/
+const CHUNK_FILE_REGEX = /^recipe-chunk-\d+\.json$/
 
 /**
- * 转换 recipe CSV → JSON
+ * 清理旧的分片文件
+ */
+function cleanChunkFiles() {
+  const dataDir = path.dirname(recipeJsonFile)
+  const files = fs.readdirSync(dataDir)
+  for (const file of files) {
+    if (CHUNK_FILE_REGEX.test(file)) {
+      fs.unlinkSync(path.join(dataDir, file))
+    }
+  }
+}
+
+/**
+ * 计算内容的短 hash（MD5 前 8 位）
+ */
+function shortHash(content: string): string {
+  return crypto.createHash('md5').update(content).digest('hex').slice(0, 8)
+}
+
+/**
+ * 转换 recipe CSV → JSON（支持分片输出）
  */
 function convertRecipes() {
   consola.info('Converting recipe data...')
@@ -28,8 +53,50 @@ function convertRecipes() {
     return
   }
 
-  fs.writeFileSync(recipeJsonFile, JSON.stringify(recipes))
-  consola.success(`Generated: ${recipeJsonFile} (${recipes.length} recipes)`)
+  const dataDir = path.dirname(recipeJsonFile)
+
+  if (recipes.length > CHUNK_THRESHOLD) {
+    // 分片模式：删除旧文件，按 CHUNK_SIZE 分片写入
+    cleanChunkFiles()
+    if (fs.existsSync(recipeJsonFile)) {
+      fs.unlinkSync(recipeJsonFile)
+    }
+
+    const chunks: { index: number, hash: string, count: number }[] = []
+    for (let i = 0; i < recipes.length; i += CHUNK_SIZE) {
+      const chunkIndex = Math.floor(i / CHUNK_SIZE)
+      const chunk = recipes.slice(i, i + CHUNK_SIZE)
+      const content = JSON.stringify(chunk)
+      const chunkFile = path.join(dataDir, `recipe-chunk-${chunkIndex}.json`)
+      fs.writeFileSync(chunkFile, content)
+      chunks.push({ index: chunkIndex, hash: shortHash(content), count: chunk.length })
+      consola.success(`Generated: ${chunkFile} (${chunk.length} recipes)`)
+    }
+
+    const meta = {
+      chunked: true,
+      total: recipes.length,
+      chunkSize: CHUNK_SIZE,
+      chunks,
+      version: Date.now(),
+    }
+    fs.writeFileSync(recipeMetaJsonFile, JSON.stringify(meta, null, 2))
+    consola.success(`Generated: ${recipeMetaJsonFile} (${chunks.length} chunks, ${recipes.length} total)`)
+  }
+  else {
+    // 单文件模式：保持原有行为，同时生成 meta
+    cleanChunkFiles()
+    fs.writeFileSync(recipeJsonFile, JSON.stringify(recipes))
+    consola.success(`Generated: ${recipeJsonFile} (${recipes.length} recipes)`)
+
+    const meta = {
+      chunked: false,
+      total: recipes.length,
+      version: Date.now(),
+    }
+    fs.writeFileSync(recipeMetaJsonFile, JSON.stringify(meta, null, 2))
+    consola.success(`Generated: ${recipeMetaJsonFile}`)
+  }
 }
 
 /**

packages/cook/src/utils/config.ts

@@ -15,9 +15,14 @@ export const envFile = path.resolve(root, '.env')
 // Data 文件路径
 export const recipeCsvFile = path.resolve(root, 'app/data/recipe.csv')
 export const recipeJsonFile = path.resolve(root, 'app/data/recipe.json')
+export const recipeMetaJsonFile = path.resolve(root, 'app/data/recipe-meta.json')
 export const incompatibleFoodsCsvFile = path.resolve(root, 'app/data/incompatible-foods.csv')
 export const incompatibleFoodsJsonFile = path.resolve(root, 'app/data/incompatible-foods.json')
 
+// 分片配置
+export const CHUNK_SIZE = 200 // 每片菜谱数
+export const CHUNK_THRESHOLD = 1000 // 超过此数量启用分片
+
 // CSV Headers
 export const RECIPE_CSV_HEADERS = 'name,stuff,bv,difficulty,tags,methods,tools,'
 export const INCOMPATIBLE_FOODS_CSV_HEADERS = 'foodA,foodB,reason'