feat(sw): implement SW header design system

packages/sw/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "@hm-design/sw",
+  "version": "0.1.0",
+  "private": false,
+  "description": "HM Design System SW (EasyBeam-style desktop software) components. Independent of @hm-design/ui.",
+  "type": "module",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js",
+      "default": "./dist/index.js"
+    },
+    "./styles.css": "./dist/styles.css"
+  },
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "typecheck": "tsc -p tsconfig.json",
+    "build": "node build.mjs",
+    "prepack": "npm run build"
+  },
+  "sideEffects": [
+    "**/*.css"
+  ],
+  "peerDependencies": {
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
+  }
+}