diff --git a/.github/workflows/pre-build-view.yml b/.github/workflows/pre-build-view.yml
new file mode 100644
index 000000000..16bd870ac
--- /dev/null
+++ b/.github/workflows/pre-build-view.yml
@@ -0,0 +1,408 @@
+name: Pre-Build-View
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 120
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: macos-latest
+            arch: arm64
+            artifact_name: macos-arm64
+          - os: macos-15-intel
+            arch: x64
+            artifact_name: macos-intel
+          - os: windows-latest
+            arch: x64
+            artifact_name: windows-latest
+          - os: ubuntu-latest
+            arch: x64
+            artifact_name: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v6
+        with:
+          clean: true
+
+      # Clean node_modules on self-hosted runner to ensure fresh install
+      - name: Clean node_modules (self-hosted)
+        if: contains(matrix.os, 'self-hosted')
+        run: |
+          rm -rf node_modules
+          rm -rf release
+          rm -rf dist out build .vite
+          rm -rf node_modules/.cache || true
+
+      # Clean build outputs on GitHub-hosted runners to avoid stale artifacts in current job
+      - name: Clean build outputs (non-Windows)
+        if: "!contains(matrix.os, 'self-hosted') && runner.os != 'Windows'"
+        run: |
+          rm -rf release dist out .vite
+          rm -rf node_modules/.cache || true
+
+      - name: Clean build outputs (Windows)
+        if: "!contains(matrix.os, 'self-hosted') && runner.os == 'Windows'"
+        shell: pwsh
+        run: |
+          Remove-Item -Recurse -Force release, dist, out, .vite -ErrorAction SilentlyContinue
+          Remove-Item -Recurse -Force node_modules/.cache -ErrorAction SilentlyContinue
+
+      - name: Setup Node.js
+        if: "!contains(matrix.os, 'self-hosted')"
+        uses: actions/setup-node@v6
+        with:
+          node-version: 20
+
+      - name: Setup Python
+        if: "!contains(matrix.os, 'self-hosted')"
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.11'
+
+      - name: Point electron-builder publish target to private repo
+        shell: bash
+        run: |
+          node -e "const fs=require('fs'); const path='electron-builder.json'; const config=JSON.parse(fs.readFileSync(path,'utf8')); if (Array.isArray(config.publish)) { config.publish=config.publish.map((entry) => entry && entry.provider === 'github' ? { ...entry, repo: 'eigent-private-lab' } : entry); } fs.writeFileSync(path, JSON.stringify(config, null, 2) + '\n');"
+
+      - name: Install Python Dependencies
+        run: |
+          python3 -m pip install --upgrade pip
+          pip3 install uv
+
+      - name: Install bun
+        run: npm install -g bun
+
+      - name: Install Dependencies
+        run: npm install
+
+      # Verify Electron installation on macOS
+      - name: Verify Electron Installation (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          echo "Checking Electron installation..."
+          ls -la node_modules/electron/dist/ || echo "Electron dist not found"
+          if [ -d "node_modules/electron/dist/Electron.app" ]; then
+            echo "✅ Electron.app found"
+            ls -la "node_modules/electron/dist/Electron.app/Contents/Frameworks/" | head -5
+          else
+            echo "❌ Electron.app NOT found - this will cause build failure"
+            exit 1
+          fi
+
+      # Install libfuse2 for Linux AppImage builds
+      - name: Install libfuse2 (Linux)
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libfuse2
+
+      # Install LLVM 20 for macOS Intel - llvmlite 0.46.0 only supports LLVM 20 (not 21)
+      - name: Install LLVM 20 (macOS Intel)
+        if: runner.os == 'macOS' && matrix.arch == 'x64'
+        run: |
+          brew install llvm@20
+          echo "LLVM_DIR=$(brew --prefix llvm@20)/lib/cmake/llvm" >> $GITHUB_ENV
+          echo "CMAKE_PREFIX_PATH=$(brew --prefix llvm@20)/lib/cmake/llvm" >> $GITHUB_ENV
+
+      # Prebuild separately on macOS so signing/package issues are isolated
+      - name: Build Release Files (macOS prebuild)
+        if: runner.os == 'macOS'
+        timeout-minutes: 45
+        run: |
+          npm run prebuild
+        env:
+          VITE_BASE_URL: ${{ secrets.VITE_BASE_URL }}
+          VITE_PROXY_URL: ${{ secrets.VITE_PROXY_URL }}
+          VITE_STACK_PROJECT_ID: ${{ secrets.VITE_STACK_PROJECT_ID }}
+          VITE_STACK_PUBLISHABLE_CLIENT_KEY: ${{ secrets.VITE_STACK_PUBLISHABLE_CLIENT_KEY }}
+          VITE_STACK_SECRET_SERVER_KEY: ${{ secrets.VITE_STACK_SECRET_SERVER_KEY }}
+          USE_NPM_INSTALL_BUN: 'true'
+
+      # Step for macOS builds with signing
+      - name: Build Release Files (macOS with signing)
+        if: runner.os == 'macOS'
+        timeout-minutes: 90
+        run: |
+          # Set file descriptor limit to system maximum (hard limit) to prevent EMFILE during signing
+          HARD=$(ulimit -Hn 2>/dev/null)
+          if [ -n "$HARD" ] && [ "$HARD" != "unlimited" ]; then
+            ulimit -n "$HARD" 2>/dev/null || true
+          fi
+          ulimit -n 65536 2>/dev/null || ulimit -n 10240 2>/dev/null || true
+          echo "File descriptor limit: $(ulimit -n) (hard: $(ulimit -Hn 2>/dev/null || echo 'N/A'))"
+
+          set +e
+          npx electron-builder --mac dmg --${{ matrix.arch }} --publish never
+          BUILD_EXIT=$?
+
+          if [ $BUILD_EXIT -ne 0 ]; then
+            echo "First attempt failed with exit code $BUILD_EXIT"
+            echo "Retrying once in 5 seconds..."
+            sleep 5
+            npx electron-builder --mac dmg --${{ matrix.arch }} --publish never
+            BUILD_EXIT=$?
+          fi
+
+          exit $BUILD_EXIT
+        env:
+          CSC_LINK: ${{ secrets.CERT_P12 }}
+          CSC_KEY_PASSWORD: ${{ secrets.CERT_PASSWORD }}
+          APPLE_ID: ${{ secrets.APPLE_ID }}
+          APPLE_APP_SPECIFIC_PASSWORD: ${{ secrets.APPLE_APP_SPECIFIC_PASSWORD }}
+          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
+          VITE_BASE_URL: ${{ secrets.VITE_BASE_URL }}
+          VITE_PROXY_URL: ${{ secrets.VITE_PROXY_URL }}
+          VITE_STACK_PROJECT_ID: ${{ secrets.VITE_STACK_PROJECT_ID }}
+          VITE_STACK_PUBLISHABLE_CLIENT_KEY: ${{ secrets.VITE_STACK_PUBLISHABLE_CLIENT_KEY }}
+          VITE_STACK_SECRET_SERVER_KEY: ${{ secrets.VITE_STACK_SECRET_SERVER_KEY }}
+          USE_NPM_INSTALL_BUN: 'true'
+
+      # Step for Windows builds without signing
+      - name: Build Release Files (Windows without signing)
+        if: runner.os == 'Windows'
+        timeout-minutes: 90
+        run: |
+          npm run prebuild
+          npx electron-builder --win --${{ matrix.arch }} --publish never
+        env:
+          VITE_BASE_URL: ${{ secrets.VITE_BASE_URL }}
+          VITE_PROXY_URL: ${{ secrets.VITE_PROXY_URL }}
+          VITE_STACK_PROJECT_ID: ${{ secrets.VITE_STACK_PROJECT_ID }}
+          VITE_STACK_PUBLISHABLE_CLIENT_KEY: ${{ secrets.VITE_STACK_PUBLISHABLE_CLIENT_KEY }}
+          VITE_STACK_SECRET_SERVER_KEY: ${{ secrets.VITE_STACK_SECRET_SERVER_KEY }}
+          USE_NPM_INSTALL_BUN: 'true'
+
+      # Step for Linux builds
+      - name: Build Release Files (Linux)
+        if: runner.os == 'Linux'
+        timeout-minutes: 90
+        run: |
+          npm run prebuild
+          npx electron-builder --linux --${{ matrix.arch }} --publish never
+        env:
+          VITE_BASE_URL: ${{ secrets.VITE_BASE_URL }}
+          VITE_PROXY_URL: ${{ secrets.VITE_PROXY_URL }}
+          VITE_STACK_PROJECT_ID: ${{ secrets.VITE_STACK_PROJECT_ID }}
+          VITE_STACK_PUBLISHABLE_CLIENT_KEY: ${{ secrets.VITE_STACK_PUBLISHABLE_CLIENT_KEY }}
+          VITE_STACK_SECRET_SERVER_KEY: ${{ secrets.VITE_STACK_SECRET_SERVER_KEY }}
+          USE_NPM_INSTALL_BUN: 'true'
+
+      # Verify built app contains Electron Framework
+      - name: Verify Built App (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          echo "Checking built app..."
+          APP_PATH=$(find release -name "*.app" -type d | head -1)
+          if [ -n "$APP_PATH" ]; then
+            echo "Found app at: $APP_PATH"
+            FRAMEWORKS_PATH="$APP_PATH/Contents/Frameworks"
+            if [ -d "$FRAMEWORKS_PATH/Electron Framework.framework" ]; then
+              echo "✅ Electron Framework found"
+              ls -la "$FRAMEWORKS_PATH/" | head -10
+            else
+              echo "❌ Electron Framework NOT found in built app!"
+              echo "Contents of Frameworks directory:"
+              ls -la "$FRAMEWORKS_PATH/" 2>/dev/null || echo "Frameworks directory does not exist"
+              exit 1
+            fi
+          else
+            echo "No .app found in release directory"
+            ls -la release/
+          fi
+
+      - name: Upload Artifact (macOS - dmg only)
+        if: runner.os == 'macOS'
+        uses: actions/upload-artifact@v6
+        with:
+          name: release-${{ matrix.artifact_name }}-${{ matrix.arch }}
+          path: |
+            release/*.dmg
+          retention-days: 5
+
+      - name: Upload Artifact (Windows - exe only)
+        if: runner.os == 'Windows'
+        uses: actions/upload-artifact@v6
+        with:
+          name: release-${{ matrix.artifact_name }}-${{ matrix.arch }}
+          path: |
+            release/*.exe
+          retention-days: 5
+
+      - name: Upload Artifact (Linux - AppImage only)
+        if: runner.os == 'Linux'
+        uses: actions/upload-artifact@v6
+        with:
+          name: release-${{ matrix.artifact_name }}-${{ matrix.arch }}
+          path: |
+            release/*.AppImage
+          retention-days: 5
+
+  merge-release:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create directories
+        run: |
+          mkdir -p release/mac-arm64 release/mac-intel release/win-x64 release/linux-x64
+
+      - name: Download mac-arm64 artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-macos-arm64-arm64
+          path: temp-mac-arm64
+
+      - name: Download mac-intel artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-macos-intel-x64
+          path: temp-mac-intel
+
+      - name: Download win-x64 artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-windows-latest-x64
+          path: temp-win-x64
+
+      - name: Download linux-x64 artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-ubuntu-latest-x64
+          path: temp-linux-x64
+
+      # Move only dmg files for macOS, exe files for Windows, and AppImage for Linux
+      - name: Move files to clean folders
+        shell: bash
+        run: |
+          # mac-arm64 - only move dmg files
+          if [ -d "temp-mac-arm64/release" ]; then
+            find temp-mac-arm64/release -name "*.dmg" -exec mv {} release/mac-arm64/ \; || true
+          else
+            find temp-mac-arm64 -name "*.dmg" -exec mv {} release/mac-arm64/ \; || true
+          fi
+
+          # mac-intel - only move dmg files
+          if [ -d "temp-mac-intel/release" ]; then
+            find temp-mac-intel/release -name "*.dmg" -exec mv {} release/mac-intel/ \; || true
+          else
+            find temp-mac-intel -name "*.dmg" -exec mv {} release/mac-intel/ \; || true
+          fi
+
+          # win-x64 - only move exe files
+          if [ -d "temp-win-x64/release" ]; then
+            find temp-win-x64/release -name "*.exe" -exec mv {} release/win-x64/ \; || true
+          else
+            find temp-win-x64 -name "*.exe" -exec mv {} release/win-x64/ \; || true
+          fi
+
+          # linux-x64 - only move AppImage files
+          if [ -d "temp-linux-x64/release" ]; then
+            find temp-linux-x64/release -name "*.AppImage" -exec mv {} release/linux-x64/ \; || true
+          else
+            find temp-linux-x64 -name "*.AppImage" -exec mv {} release/linux-x64/ \; || true
+          fi
+
+      # Extract version for test builds
+      - name: Extract version
+        id: version
+        run: |
+          # Create a version using timestamp for test builds
+          VERSION="test-$(date +%Y%m%d-%H%M%S)"
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Extracted version for test build: $VERSION"
+
+      # Configure AWS credentials (skipped when AWS secrets are not configured)
+      - name: Configure AWS credentials
+        id: aws-check
+        if: env.AWS_ACCESS_KEY_ID != ''
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ secrets.AWS_REGION }}
+
+      # Upload to S3 - test directory
+      - name: Upload to S3 (test build)
+        if: steps.aws-check.outcome == 'success'
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          BUCKET="${{ secrets.AWS_S3_BUCKET }}"
+
+          echo "Uploading test build $VERSION to S3 bucket: $BUCKET"
+
+          declare -a targets=(
+            "release/mac-arm64 mac-arm64"
+            "release/mac-intel mac-intel"
+            "release/win-x64 win-x64"
+            "release/linux-x64 linux-x64"
+          )
+          for t in "${targets[@]}"; do
+            src_dir="${t%% *}"
+            path_suffix="${t##* }"
+            if [ -d "$src_dir" ] && [ "$(ls -A "$src_dir")" ]; then
+              echo "Uploading $path_suffix files..."
+              aws s3 sync "$src_dir/" "s3://$BUCKET/pre-releases/test-builds/$VERSION/$path_suffix/" \
+                --content-type "binary/octet-stream" \
+                --metadata-directive REPLACE \
+                --cache-control "public, max-age=300"
+            fi
+          done
+
+          echo "Test build $VERSION uploaded successfully"
+
+      # Generate download URLs
+      - name: Generate download URLs
+        if: steps.aws-check.outcome == 'success'
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          BUCKET="${{ secrets.AWS_S3_BUCKET }}"
+          REGION="${{ secrets.AWS_REGION }}"
+
+          # Determine S3 endpoint based on region
+          if [[ "$REGION" == cn-* ]]; then
+            ENDPOINT="s3.$REGION.amazonaws.com.cn"
+          else
+            ENDPOINT="s3.$REGION.amazonaws.com"
+          fi
+
+          echo "================================"
+          echo "Test Build Download URLs"
+          echo "Build ID: $VERSION"
+          echo "================================"
+          echo ""
+
+          # Check which platforms exist and show URLs
+          if [ -d "release/mac-arm64" ] && [ "$(ls -A release/mac-arm64)" ]; then
+            echo "macOS (ARM64):  https://$BUCKET.$ENDPOINT/pre-releases/test-builds/$VERSION/mac-arm64/"
+          fi
+
+          if [ -d "release/mac-intel" ] && [ "$(ls -A release/mac-intel)" ]; then
+            echo "macOS (Intel):  https://$BUCKET.$ENDPOINT/pre-releases/test-builds/$VERSION/mac-intel/"
+          fi
+
+          if [ -d "release/win-x64" ] && [ "$(ls -A release/win-x64)" ]; then
+            echo "Windows (x64):  https://$BUCKET.$ENDPOINT/pre-releases/test-builds/$VERSION/win-x64/"
+          fi
+
+          if [ -d "release/linux-x64" ] && [ "$(ls -A release/linux-x64)" ]; then
+            echo "Linux (x64):    https://$BUCKET.$ENDPOINT/pre-releases/test-builds/$VERSION/linux-x64/"
+          fi
+
+          echo ""
+          echo "⚠️  Note: Test builds are stored in 'pre-releases/test-builds/' directory"
+          echo "⚠️  Remember to delete old test builds to save storage costs"
+          echo ""
+          echo "To delete this test build:"
+          echo "aws s3 rm s3://$BUCKET/pre-releases/test-builds/$VERSION/ --recursive --region $REGION"
+          echo "================================"
diff --git a/.github/workflows/pre-build.yml b/.github/workflows/pre-build.yml
new file mode 100644
index 000000000..85d4077b5
--- /dev/null
+++ b/.github/workflows/pre-build.yml
@@ -0,0 +1,551 @@
+name: Pre-Build
+
+on:
+  push:
+    tags:
+      - 'pre-v*'
+    paths-ignore:
+      - '**.md'
+      - '**.spec.js'
+      - '.idea'
+      - '.vscode'
+      - '.dockerignore'
+      - 'Dockerfile'
+      - '.gitignore'
+      - '.github/**'
+      - '!.github/workflows/pre-build.yml'
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 120
+
+    strategy:
+      matrix:
+        include:
+          - os: macos-latest
+            arch: arm64
+            artifact_name: macos-arm64
+          - os: macos-15-intel
+            arch: x64
+            artifact_name: macos-intel
+          - os: windows-latest
+            arch: x64
+            artifact_name: windows-latest
+          - os: ubuntu-latest
+            arch: x64
+            artifact_name: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v6
+        with:
+          clean: true
+
+      # Clean node_modules on self-hosted runner to ensure fresh install
+      - name: Clean node_modules (self-hosted)
+        if: contains(matrix.os, 'self-hosted')
+        run: |
+          rm -rf node_modules
+          rm -rf release
+
+      - name: Setup Node.js
+        if: "!contains(matrix.os, 'self-hosted')"
+        uses: actions/setup-node@v6
+        with:
+          node-version: 20
+
+      - name: Setup Python
+        if: "!contains(matrix.os, 'self-hosted')"
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.11'
+
+      - name: Point electron-builder publish target to private repo
+        shell: bash
+        run: |
+          node -e "const fs=require('fs'); const path='electron-builder.json'; const config=JSON.parse(fs.readFileSync(path,'utf8')); if (Array.isArray(config.publish)) { config.publish=config.publish.map((entry) => entry && entry.provider === 'github' ? { ...entry, repo: 'eigent-private-lab' } : entry); } fs.writeFileSync(path, JSON.stringify(config, null, 2) + '\n');"
+
+      - name: Install Python Dependencies
+        run: |
+          python3 -m pip install --upgrade pip
+          pip3 install uv
+
+      - name: Install bun
+        run: npm install -g bun
+
+      - name: Install Dependencies
+        run: npm install
+
+      # Verify Electron installation on macOS
+      - name: Verify Electron Installation (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          echo "Checking Electron installation..."
+          ls -la node_modules/electron/dist/ || echo "Electron dist not found"
+          if [ -d "node_modules/electron/dist/Electron.app" ]; then
+            echo "✅ Electron.app found"
+            ls -la "node_modules/electron/dist/Electron.app/Contents/Frameworks/" | head -5
+          else
+            echo "❌ Electron.app NOT found - this will cause build failure"
+            exit 1
+          fi
+
+      # Install libfuse2 for Linux AppImage builds
+      - name: Install libfuse2 (Linux)
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libfuse2
+
+      # Install LLVM 20 for macOS Intel - llvmlite 0.46.0 only supports LLVM 20 (not 21)
+      - name: Install LLVM 20 (macOS Intel)
+        if: runner.os == 'macOS' && matrix.arch == 'x64'
+        run: |
+          brew install llvm@20
+          echo "LLVM_DIR=$(brew --prefix llvm@20)/lib/cmake/llvm" >> $GITHUB_ENV
+          echo "CMAKE_PREFIX_PATH=$(brew --prefix llvm@20)/lib/cmake/llvm" >> $GITHUB_ENV
+
+      # Step for macOS builds with signing
+      - name: Build Release Files (macOS with signing)
+        if: runner.os == 'macOS'
+        timeout-minutes: 90
+        run: |
+          # Set file descriptor limit to system maximum (hard limit) to prevent EMFILE during signing
+          HARD=$(ulimit -Hn 2>/dev/null)
+          if [ -n "$HARD" ] && [ "$HARD" != "unlimited" ]; then
+            ulimit -n "$HARD" 2>/dev/null || true
+          fi
+          ulimit -n 65536 2>/dev/null || ulimit -n 10240 2>/dev/null || true
+          echo "File descriptor limit: $(ulimit -n) (hard: $(ulimit -Hn 2>/dev/null || echo 'N/A'))"
+          npm run build -- --${{ matrix.arch }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CSC_LINK: ${{ secrets.CERT_P12 }}
+          CSC_KEY_PASSWORD: ${{ secrets.CERT_PASSWORD }}
+          APPLE_ID: ${{ secrets.APPLE_ID }}
+          APPLE_APP_SPECIFIC_PASSWORD: ${{ secrets.APPLE_APP_SPECIFIC_PASSWORD }}
+          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
+          VITE_BASE_URL: ${{ secrets.VITE_BASE_URL }}
+          VITE_PROXY_URL: ${{ secrets.VITE_PROXY_URL }}
+          VITE_STACK_PROJECT_ID: ${{ secrets.VITE_STACK_PROJECT_ID }}
+          VITE_STACK_PUBLISHABLE_CLIENT_KEY: ${{ secrets.VITE_STACK_PUBLISHABLE_CLIENT_KEY }}
+          VITE_STACK_SECRET_SERVER_KEY: ${{ secrets.VITE_STACK_SECRET_SERVER_KEY }}
+          USE_NPM_INSTALL_BUN: 'true'
+
+      # Step for Windows builds without signing
+      - name: Build Release Files (Windows without signing)
+        if: runner.os == 'Windows'
+        timeout-minutes: 90
+        run: npm run build -- --${{ matrix.arch }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VITE_BASE_URL: ${{ secrets.VITE_BASE_URL }}
+          VITE_PROXY_URL: ${{ secrets.VITE_PROXY_URL }}
+          VITE_STACK_PROJECT_ID: ${{ secrets.VITE_STACK_PROJECT_ID }}
+          VITE_STACK_PUBLISHABLE_CLIENT_KEY: ${{ secrets.VITE_STACK_PUBLISHABLE_CLIENT_KEY }}
+          VITE_STACK_SECRET_SERVER_KEY: ${{ secrets.VITE_STACK_SECRET_SERVER_KEY }}
+          USE_NPM_INSTALL_BUN: 'true'
+
+      # Step for Linux builds
+      - name: Build Release Files (Linux)
+        if: runner.os == 'Linux'
+        timeout-minutes: 90
+        run: npm run build:linux
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VITE_BASE_URL: ${{ secrets.VITE_BASE_URL }}
+          VITE_PROXY_URL: ${{ secrets.VITE_PROXY_URL }}
+          VITE_STACK_PROJECT_ID: ${{ secrets.VITE_STACK_PROJECT_ID }}
+          VITE_STACK_PUBLISHABLE_CLIENT_KEY: ${{ secrets.VITE_STACK_PUBLISHABLE_CLIENT_KEY }}
+          VITE_STACK_SECRET_SERVER_KEY: ${{ secrets.VITE_STACK_SECRET_SERVER_KEY }}
+          USE_NPM_INSTALL_BUN: 'true'
+
+      # Verify built app contains Electron Framework
+      - name: Verify Built App (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          echo "Checking built app..."
+          APP_PATH=$(find release -name "*.app" -type d | head -1)
+          if [ -n "$APP_PATH" ]; then
+            echo "Found app at: $APP_PATH"
+            FRAMEWORKS_PATH="$APP_PATH/Contents/Frameworks"
+            if [ -d "$FRAMEWORKS_PATH/Electron Framework.framework" ]; then
+              echo "✅ Electron Framework found"
+              ls -la "$FRAMEWORKS_PATH/" | head -10
+            else
+              echo "❌ Electron Framework NOT found in built app!"
+              echo "Contents of Frameworks directory:"
+              ls -la "$FRAMEWORKS_PATH/" 2>/dev/null || echo "Frameworks directory does not exist"
+              exit 1
+            fi
+          else
+            echo "No .app found in release directory"
+            ls -la release/
+          fi
+
+      - name: Upload Artifact (macOS)
+        if: runner.os == 'macOS'
+        uses: actions/upload-artifact@v6
+        with:
+          name: release-${{ matrix.artifact_name }}-${{ matrix.arch }}
+          path: |
+            release/*.dmg
+            release/*.dmg.blockmap
+            release/*.zip
+            release/*.zip.blockmap
+            release/latest*.yml
+          retention-days: 5
+
+      - name: Upload Artifact (Windows)
+        if: runner.os == 'Windows'
+        uses: actions/upload-artifact@v6
+        with:
+          name: release-${{ matrix.artifact_name }}-${{ matrix.arch }}
+          path: |
+            release/*.exe
+            release/*.exe.blockmap
+            release/latest*.yml
+          retention-days: 5
+
+      - name: Upload Artifact (Linux)
+        if: runner.os == 'Linux'
+        uses: actions/upload-artifact@v6
+        with:
+          name: release-${{ matrix.artifact_name }}-${{ matrix.arch }}
+          path: |
+            release/*.AppImage
+            release/latest*.yml
+          retention-days: 5
+  merge-release:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create directories
+        run: |
+          mkdir -p release/mac-arm64 release/mac-intel release/win-x64 release/linux-x64
+
+      - name: Download mac-arm64 artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-macos-arm64-arm64
+          path: temp-mac-arm64
+
+      - name: Download mac-intel artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-macos-intel-x64
+          path: temp-mac-intel
+
+      - name: Download win-x64 artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-windows-latest-x64
+          path: temp-win-x64
+
+      - name: Download linux-x64 artifact
+        uses: actions/download-artifact@v7
+        with:
+          name: release-ubuntu-latest-x64
+          path: temp-linux-x64
+
+      # Move release files for each platform
+      - name: Move files to clean folders
+        shell: bash
+        run: |
+          # mac-arm64 - move dmg, zip, blockmap, and yml files
+          if [ -d "temp-mac-arm64/release" ]; then
+            find temp-mac-arm64/release \( -name "*.dmg" -o -name "*.dmg.blockmap" -o -name "*.zip" -o -name "*.zip.blockmap" -o -name "latest*.yml" \) -exec mv {} release/mac-arm64/ \; || true
+          else
+            find temp-mac-arm64 \( -name "*.dmg" -o -name "*.dmg.blockmap" -o -name "*.zip" -o -name "*.zip.blockmap" -o -name "latest*.yml" \) -exec mv {} release/mac-arm64/ \; || true
+          fi
+
+          # mac-intel - move dmg, zip, blockmap, and yml files
+          if [ -d "temp-mac-intel/release" ]; then
+            find temp-mac-intel/release \( -name "*.dmg" -o -name "*.dmg.blockmap" -o -name "*.zip" -o -name "*.zip.blockmap" -o -name "latest*.yml" \) -exec mv {} release/mac-intel/ \; || true
+          else
+            find temp-mac-intel \( -name "*.dmg" -o -name "*.dmg.blockmap" -o -name "*.zip" -o -name "*.zip.blockmap" -o -name "latest*.yml" \) -exec mv {} release/mac-intel/ \; || true
+          fi
+
+          # win-x64 - move exe, blockmap, and yml files
+          if [ -d "temp-win-x64/release" ]; then
+            find temp-win-x64/release \( -name "*.exe" -o -name "*.exe.blockmap" -o -name "latest*.yml" \) -exec mv {} release/win-x64/ \; || true
+          else
+            find temp-win-x64 \( -name "*.exe" -o -name "*.exe.blockmap" -o -name "latest*.yml" \) -exec mv {} release/win-x64/ \; || true
+          fi
+
+          # linux-x64 - move AppImage and yml files
+          if [ -d "temp-linux-x64/release" ]; then
+            find temp-linux-x64/release \( -name "*.AppImage" -o -name "latest*.yml" \) -exec mv {} release/linux-x64/ \; || true
+          else
+            find temp-linux-x64 \( -name "*.AppImage" -o -name "latest*.yml" \) -exec mv {} release/linux-x64/ \; || true
+          fi
+
+      # Create GitHub Release
+      - name: Prepare GitHub Release assets
+        if: startsWith(github.ref, 'refs/tags/')
+        shell: bash
+        run: |
+          # GitHub release assets must have unique filenames.
+          # Both mac folders contain latest-mac.yml, so stage assets with
+          # channel-specific manifest names for macOS and keep one compatibility file.
+          rm -rf gh-release-assets
+          mkdir -p gh-release-assets
+
+          copy_file() {
+            local src_file="$1"
+            local dst_name="$2"
+            [ -f "$src_file" ] || return 0
+
+            if [ -e "gh-release-assets/$dst_name" ]; then
+              echo "Duplicate release asset name detected: $dst_name"
+              echo "  existing: gh-release-assets/$dst_name"
+              echo "  incoming: $src_file"
+              exit 1
+            fi
+
+            cp -f "$src_file" "gh-release-assets/$dst_name"
+          }
+
+          copy_assets() {
+            local src_dir="$1"
+            local skip_name="${2:-}"
+            [ -d "$src_dir" ] || return 0
+
+            while IFS= read -r -d '' file; do
+              local name
+              name="$(basename "$file")"
+
+              if [ -n "$skip_name" ] && [ "$name" = "$skip_name" ]; then
+                continue
+              fi
+
+              copy_file "$file" "$name"
+            done < <(find "$src_dir" -maxdepth 1 -type f -print0)
+          }
+
+          # Stage all normal artifacts (exclude duplicate mac manifest names first).
+          copy_assets "release/mac-arm64" "latest-mac.yml"
+          copy_assets "release/mac-intel" "latest-mac.yml"
+          copy_assets "release/win-x64"
+          copy_assets "release/linux-x64"
+
+          # macOS updater channels configured in electron/main/update.ts:
+          # arm64 -> latest-arm64-mac.yml, x64 -> latest-x64-mac.yml
+          copy_file "release/mac-arm64/latest-mac.yml" "latest-arm64-mac.yml"
+          copy_file "release/mac-intel/latest-mac.yml" "latest-x64-mac.yml"
+
+          # Compatibility manifest for clients still using default latest-mac.yml.
+          copy_file "release/mac-intel/latest-mac.yml" "latest-mac.yml"
+
+          echo "Prepared GitHub release assets:"
+          ls -1 gh-release-assets
+
+      - name: Create GitHub Release
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: softprops/action-gh-release@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          prerelease: true
+          files: |
+            gh-release-assets/*
+
+      # Extract version from pre-release tag (e.g., pre-v0.0.85 -> 0.0.85)
+      - name: Extract version
+        if: startsWith(github.ref, 'refs/tags/')
+        id: version
+        run: |
+          TAG_NAME=${GITHUB_REF#refs/tags/}
+          VERSION=${TAG_NAME#pre-v}
+          VERSION=${VERSION#v}
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Extracted version: $VERSION"
+
+      # Configure AWS credentials (skipped when AWS secrets not configured)
+      - name: Configure AWS credentials
+        id: aws-check
+        if: env.AWS_ACCESS_KEY_ID != ''
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ secrets.AWS_REGION }}
+
+      # Upload to S3 - versioned directory (immutable; all files get long cache)
+      - name: Upload to S3 (versioned)
+        if: steps.aws-check.outcome == 'success'
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          BUCKET="${{ secrets.AWS_S3_BUCKET }}"
+
+          echo "Uploading version $VERSION to S3 bucket: $BUCKET"
+
+          declare -a targets=(
+            "release/mac-arm64 mac-arm64"
+            "release/mac-intel mac-intel"
+            "release/win-x64 win-x64"
+            "release/linux-x64 linux-x64"
+          )
+          for t in "${targets[@]}"; do
+            src_dir="${t%% *}"
+            path_suffix="${t##* }"
+            if [ -d "$src_dir" ] && [ "$(ls -A "$src_dir")" ]; then
+              echo "Uploading $path_suffix files..."
+              aws s3 sync "$src_dir/" "s3://$BUCKET/pre-releases/v$VERSION/$path_suffix/" \
+                --content-type "binary/octet-stream" \
+                --metadata-directive REPLACE \
+                --cache-control "public, max-age=31536000, immutable"
+            fi
+          done
+
+          echo "Version $VERSION uploaded successfully"
+
+      # Upload to S3 - latest directory
+      - name: Upload to S3 (latest)
+        if: steps.aws-check.outcome == 'success'
+        run: |
+          BUCKET="${{ secrets.AWS_S3_BUCKET }}"
+
+          echo "Uploading latest release to S3 bucket: $BUCKET"
+
+          # Upload macOS ARM64 files to latest
+          if [ -d "release/mac-arm64" ] && [ "$(ls -A release/mac-arm64)" ]; then
+            echo "Uploading latest macOS ARM64 files..."
+            aws s3 sync release/mac-arm64/ "s3://$BUCKET/pre-releases/latest/mac-arm64/" \
+              --delete \
+              --content-type "binary/octet-stream" \
+              --metadata-directive REPLACE \
+              --cache-control "public, max-age=300" \
+              --exclude "*.yml" \
+              --exclude "*.blockmap"
+
+            aws s3 sync release/mac-arm64/ "s3://$BUCKET/pre-releases/latest/mac-arm64/" \
+              --delete \
+              --exclude "*" \
+              --include "*.yml" \
+              --include "*.blockmap" \
+              --cache-control "public, max-age=300"
+          fi
+
+          # Upload macOS Intel files to latest (if exists)
+          if [ -d "release/mac-intel" ] && [ "$(ls -A release/mac-intel)" ]; then
+            echo "Uploading latest macOS Intel files..."
+            aws s3 sync release/mac-intel/ "s3://$BUCKET/pre-releases/latest/mac-intel/" \
+              --delete \
+              --content-type "binary/octet-stream" \
+              --metadata-directive REPLACE \
+              --cache-control "public, max-age=300" \
+              --exclude "*.yml" \
+              --exclude "*.blockmap"
+
+            aws s3 sync release/mac-intel/ "s3://$BUCKET/pre-releases/latest/mac-intel/" \
+              --delete \
+              --exclude "*" \
+              --include "*.yml" \
+              --include "*.blockmap" \
+              --cache-control "public, max-age=300"
+          fi
+
+          # Upload Windows files to latest
+          if [ -d "release/win-x64" ] && [ "$(ls -A release/win-x64)" ]; then
+            echo "Uploading latest Windows files..."
+            aws s3 sync release/win-x64/ "s3://$BUCKET/pre-releases/latest/win-x64/" \
+              --delete \
+              --content-type "binary/octet-stream" \
+              --metadata-directive REPLACE \
+              --cache-control "public, max-age=300" \
+              --exclude "*.yml" \
+              --exclude "*.blockmap"
+
+            aws s3 sync release/win-x64/ "s3://$BUCKET/pre-releases/latest/win-x64/" \
+              --delete \
+              --exclude "*" \
+              --include "*.yml" \
+              --include "*.blockmap" \
+              --cache-control "public, max-age=300"
+          fi
+
+          # Upload Linux files to latest
+          if [ -d "release/linux-x64" ] && [ "$(ls -A release/linux-x64)" ]; then
+            echo "Uploading latest Linux files..."
+            aws s3 sync release/linux-x64/ "s3://$BUCKET/pre-releases/latest/linux-x64/" \
+              --delete \
+              --content-type "binary/octet-stream" \
+              --metadata-directive REPLACE \
+              --cache-control "public, max-age=300" \
+              --exclude "*.yml" \
+              --exclude "*.blockmap"
+
+            aws s3 sync release/linux-x64/ "s3://$BUCKET/pre-releases/latest/linux-x64/" \
+              --delete \
+              --exclude "*" \
+              --include "*.yml" \
+              --include "*.blockmap" \
+              --cache-control "public, max-age=300"
+          fi
+
+          echo "Latest release uploaded successfully"
+
+      # Generate download URLs
+      - name: Generate download URLs
+        if: steps.aws-check.outcome == 'success'
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          BUCKET="${{ secrets.AWS_S3_BUCKET }}"
+          REGION="${{ secrets.AWS_REGION }}"
+
+          # Determine S3 endpoint based on region
+          if [[ "$REGION" == cn-* ]]; then
+            ENDPOINT="s3.$REGION.amazonaws.com.cn"
+          else
+            ENDPOINT="s3.$REGION.amazonaws.com"
+          fi
+
+          echo "================================"
+          echo "Download URLs for version v$VERSION"
+          echo "================================"
+          echo ""
+          echo "Versioned URLs:"
+
+          # Check which platforms exist and show URLs
+          if [ -d "release/mac-arm64" ] && [ "$(ls -A release/mac-arm64)" ]; then
+            echo "macOS (ARM64):  https://$BUCKET.$ENDPOINT/pre-releases/v$VERSION/mac-arm64/"
+          fi
+
+          if [ -d "release/mac-intel" ] && [ "$(ls -A release/mac-intel)" ]; then
+            echo "macOS (Intel):  https://$BUCKET.$ENDPOINT/pre-releases/v$VERSION/mac-intel/"
+          fi
+
+          if [ -d "release/win-x64" ] && [ "$(ls -A release/win-x64)" ]; then
+            echo "Windows (x64):  https://$BUCKET.$ENDPOINT/pre-releases/v$VERSION/win-x64/"
+          fi
+
+          if [ -d "release/linux-x64" ] && [ "$(ls -A release/linux-x64)" ]; then
+            echo "Linux (x64):    https://$BUCKET.$ENDPOINT/pre-releases/v$VERSION/linux-x64/"
+          fi
+
+          echo ""
+          echo "Latest URLs:"
+
+          if [ -d "release/mac-arm64" ] && [ "$(ls -A release/mac-arm64)" ]; then
+            echo "macOS (ARM64):  https://$BUCKET.$ENDPOINT/pre-releases/latest/mac-arm64/"
+          fi
+
+          if [ -d "release/mac-intel" ] && [ "$(ls -A release/mac-intel)" ]; then
+            echo "macOS (Intel):  https://$BUCKET.$ENDPOINT/pre-releases/latest/mac-intel/"
+          fi
+
+          if [ -d "release/win-x64" ] && [ "$(ls -A release/win-x64)" ]; then
+            echo "Windows (x64):  https://$BUCKET.$ENDPOINT/pre-releases/latest/win-x64/"
+          fi
+
+          if [ -d "release/linux-x64" ] && [ "$(ls -A release/linux-x64)" ]; then
+            echo "Linux (x64):    https://$BUCKET.$ENDPOINT/pre-releases/latest/linux-x64/"
+          fi
+
+          echo "================================"