Use npm packages for shared skill code (#136)

packages/baoyu-md/package.json

@@ -1,13 +1,29 @@
 {
   "name": "baoyu-md",
-  "private": true,
   "version": "0.1.0",
   "type": "module",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./src/index.ts",
   "files": [
-    "src"
+    "dist",
+    "src/**/*.ts",
+    "src/**/*.css",
+    "src/LICENSE",
+    "!src/**/*.test.ts"
   ],
   "exports": {
-    ".": "./src/index.ts"
+    ".": {
+      "types": "./src/index.ts",
+      "import": "./dist/index.js",
+      "require": "./dist/index.cjs",
+      "default": "./dist/index.js"
+    },
+    "./src/*": "./src/*"
+  },
+  "scripts": {
+    "build": "node ../../scripts/build-shared-package.mjs --external mermaid --external @antv/infographic --asset src/themes:themes --asset src/code-themes:code-themes",
+    "prepack": "bun run build"
   },
   "dependencies": {
     "fflate": "^0.8.2",
@@ -20,5 +36,21 @@
     "remark-parse": "^11.0.0",
     "remark-stringify": "^11.0.0",
     "unified": "^11.0.5"
+  },
+  "description": "Shared Markdown rendering and WeChat-friendly HTML utilities for baoyu skills.",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/JimLiu/baoyu-skills.git",
+    "directory": "packages/baoyu-md"
+  },
+  "bugs": {
+    "url": "https://github.com/JimLiu/baoyu-skills/issues"
+  },
+  "homepage": "https://github.com/JimLiu/baoyu-skills/tree/main/packages/baoyu-md#readme",
+  "publishConfig": {
+    "access": "public"
+  },
+  "engines": {
+    "bun": ">=1.2.0"
   }
 }