chore: 添加 GitHub Actions 自动构建 release workflow

- 推送 v* 标签时自动在 macOS 多架构构建 .dmg
- 自动创建 GitHub Release 并附加构建产物
- 升级版本至 v1.1.0

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.github/workflows/release.yml

@@ -0,0 +1,62 @@
+name: Build & Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: macos-latest
+    strategy:
+      matrix:
+        include:
+          - platform: macos-arm64
+            arch: arm64
+          - platform: macos-x64
+            arch: x64
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'pnpm'
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: '9'
+
+      - name: Install Dependencies
+        run: pnpm install
+
+      - name: Build
+        run: pnpm build
+
+      - name: Build DMG
+        run: pnpm run build:mac -- ${{ matrix.platform }}
+
+      - name: Upload Asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ env.UPLOAD_URL }}
+          asset_path: out/${{ matrix.platform }}/WechatExplorer-${{ env.VERSION }}-${{ matrix.platform }}.dmg
+          asset_name: WechatExplorer-${{ env.VERSION }}-${{ matrix.platform }}.dmg
+          asset_content_type: application/x-apple-diskimage
+
+  release:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create Release
+        uses: softprops/action-gh-release@v2
+        with:
+          generate_release_notes: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wechatexplorer",
-  "version": "1.0.3",
+  "version": "1.1.0",
   "description": "mac 版本获取微信聊天记录, AI群聊总结助手",
   "keywords": [
     "wechat",