ci(ffi): verify FFI code and examples

.github/workflows/ci.yml

@@ -171,6 +171,35 @@ jobs:
       - name: Lock files
         run: cargo xtask check locks -v
 
+  ffi:
+    name: FFI
+    runs-on: ubuntu-latest
+    needs: formatting
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Rust cache
+        uses: Swatinem/rust-cache@v2.7.3
+
+      - name: Binary cache
+        uses: actions/cache@v4
+        with:
+          path: ./.cargo/local_root/bin
+          key: ${{ runner.os }}-bin-${{ github.job }}-${{ hashFiles('xtask/src/bin_version.rs') }}
+
+      - name: Prepare runner
+        run: cargo xtask ffi install -v
+
+      - name: Build native library
+        run: cargo xtask ffi build -v
+
+      - name: Generate bindings
+        run: cargo xtask ffi bindings -v
+
+      - name: Build .NET projects
+        run: cd ./ffi/dotnet && dotnet build
+
   success:
     name: Success
     runs-on: ubuntu-latest
@@ -181,6 +210,7 @@ jobs:
       - checks
       - fuzz
       - web
+      - ffi
 
     steps:
       - name: Check success