GRPC Server Support

- Deprecates old json-rpc system
- Add GRPC daemon over uds

.github/workflows/build-apple.yml

@@ -1,7 +1,7 @@
 name: Build Apple Apps
 on:
   push:
-    branches:  
+    branches:
     - main
   pull_request:
     branches:
@@ -39,6 +39,7 @@ jobs:
           - aarch64-apple-darwin
     env:
       DEVELOPER_DIR: /Applications/Xcode_16.0.app/Contents/Developer
+      PROTOC_VERSION: 3.25.1
     steps:
     - name: Checkout
       uses: actions/checkout@v3
@@ -54,6 +55,10 @@ jobs:
       uses: dtolnay/rust-toolchain@stable
       with:
         targets: ${{ join(matrix.rust-targets, ', ') }}
+    - name: Install protoc
+      uses: taiki-e/install-action@v2
+      with:
+        tool: protoc@${{ env.PROTOC_VERSION }}
     - name: Build
       id: build
       uses: ./.github/actions/build-for-testing
@@ -82,4 +87,4 @@ jobs:
         destination: ${{ matrix.destination }}
         test-plan: ${{ matrix.xcode-ui-test }}
         artifact-prefix: ui-tests-${{ matrix.sdk-name }}
-        check-name: Xcode UI Tests (${{ matrix.platform }})
+        check-name: Xcode UI Tests (${{ matrix.platform }})