feat: add macOS arm64 release build

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.github/workflows/release.yml

@@ -22,7 +22,9 @@ jobs:
           - os: windows-latest
             label: Windows
           - os: macos-15-intel
-            label: macOS
+            label: macOS (x64)
+          - os: macos-15
+            label: macOS (arm64)
           - os: ubuntu-latest
             label: Linux
 
@@ -94,12 +96,19 @@ jobs:
         include:
           - os: windows-latest
             label: Windows
+            release_dir_name: Aryx-windows-x64
             asset_path: release/Aryx-windows-x64.zip
           - os: macos-15-intel
-            label: macOS
+            label: macOS (x64)
+            release_dir_name: Aryx-macos-x64
             asset_path: release/Aryx-macos-x64.zip
+          - os: macos-15
+            label: macOS (arm64)
+            release_dir_name: Aryx-macos-arm64
+            asset_path: release/Aryx-macos-arm64.zip
           - os: ubuntu-latest
             label: Linux
+            release_dir_name: Aryx-linux-x64
             asset_path: release/Aryx-linux-x64.tar.gz
 
     steps:
@@ -130,7 +139,7 @@ jobs:
 
       - name: Ad-hoc sign macOS app bundle
         if: runner.os == 'macOS'
-        run: codesign --force --deep --sign - release/Aryx-macos-x64/Aryx.app
+        run: codesign --force --deep --sign - "release/${{ matrix.release_dir_name }}/Aryx.app"
 
       - name: Create Windows release archive
         if: runner.os == 'Windows'
@@ -139,7 +148,7 @@ jobs:
 
       - name: Create macOS release archive
         if: runner.os == 'macOS'
-        run: ditto -c -k --sequesterRsrc --keepParent release/Aryx-macos-x64/Aryx.app release/Aryx-macos-x64.zip
+        run: ditto -c -k --sequesterRsrc --keepParent "release/${{ matrix.release_dir_name }}/Aryx.app" "${{ matrix.asset_path }}"
 
       - name: Create Linux release archive
         if: runner.os == 'Linux'

ARCHITECTURE.md

@@ -309,7 +309,7 @@ The build pipeline is organized around three layers:
 - publishing the sidecar for the target runtime
 - assembling a platform-specific release bundle
 
-Release automation validates the app across Windows, macOS, and Linux, and tag-based releases publish platform bundles directly to GitHub Releases.
+Release automation validates the app across Windows, macOS, and Linux, and tag-based releases publish platform bundles directly to GitHub Releases, including both macOS x64 and arm64 artifacts.
 
 This packaging model matches the runtime architecture: one desktop shell plus one dedicated AI execution process.
 

README.md

@@ -111,7 +111,7 @@ To package the current platform into `release/`, run:
 
 - `bun run package`
 
-GitHub Actions now runs validation on pushes and pull requests, and pushing a git tag creates a GitHub release with Windows, macOS, and Linux assets uploaded directly to the release.
+GitHub Actions now runs validation on pushes and pull requests, and pushing a git tag creates a GitHub release with Windows, macOS (x64 and arm64), and Linux assets uploaded directly to the release.
 
 ## Current focus