add support for macos x64 and linux

.github/workflows/release.yml

@@ -151,7 +151,7 @@ jobs:
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
         uses: dtolnay/rust-toolchain@stable
         with:
-          targets: aarch64-apple-darwin
+          targets: aarch64-apple-darwin,x86_64-apple-darwin
 
       - name: Install native build dependencies
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
@@ -264,21 +264,34 @@ jobs:
 
       # ---------- Build (kind-specific) ----------
 
-      - name: Build root simdeck (arm64 native binary + client + simdeck-test)
+      - name: Build root simdeck (macOS arm64+x64 binaries + client + simdeck-test)
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
-        env:
-          SIMDECK_BUILD_TARGET: aarch64-apple-darwin
         run: |
-          npm run build:cli
+          SIMDECK_BUILD_TARGET=aarch64-apple-darwin npm run build:cli
+          cp build/simdeck-bin build/simdeck-bin-darwin-arm64
+
+          SIMDECK_BUILD_TARGET=x86_64-apple-darwin npm run build:cli
+          cp build/simdeck-bin build/simdeck-bin-darwin-x64
+
+          lipo -create \
+            -output build/simdeck-bin \
+            build/simdeck-bin-darwin-arm64 \
+            build/simdeck-bin-darwin-x64
+
           npm run build:client
           npm run build:simdeck-test
 
-      - name: Verify CLI artifact is an arm64 Mach-O
+      - name: Verify CLI artifacts are macOS arm64+x64 binaries
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
         run: |
           test -x build/simdeck-bin
+          test -x build/simdeck-bin-darwin-arm64
+          test -x build/simdeck-bin-darwin-x64
           file build/simdeck-bin
           file build/simdeck-bin | grep -q 'arm64'
+          file build/simdeck-bin | grep -q 'x86_64'
+          file build/simdeck-bin-darwin-arm64 | grep -q 'arm64'
+          file build/simdeck-bin-darwin-x64 | grep -q 'x86_64'
 
       # ---------- Apple codesign + notarize (root simdeck only) ----------
 
@@ -440,7 +453,6 @@ jobs:
           NODE_AUTH_TOKEN: ""
           DIST_TAG: ${{ steps.tag.outputs.dist_tag }}
           PKG_DIR: ${{ steps.meta.outputs.dir }}
-          SIMDECK_BUILD_TARGET: aarch64-apple-darwin
         run: |
           set -euo pipefail
           unset NODE_AUTH_TOKEN
@@ -459,7 +471,6 @@ jobs:
           NODE_AUTH_TOKEN: ""
           DIST_TAG: ${{ steps.tag.outputs.dist_tag }}
           PKG_DIR: ${{ steps.meta.outputs.dir }}
-          SIMDECK_BUILD_TARGET: aarch64-apple-darwin
         run: |
           set -euo pipefail
           unset NODE_AUTH_TOKEN

package.json

@@ -19,6 +19,10 @@
     "scripts/studio-provider-bridge.mjs",
     "scripts/postinstall.mjs",
     "build/simdeck-bin",
+    "build/simdeck-bin-darwin-arm64",
+    "build/simdeck-bin-darwin-x64",
+    "build/simdeck-bin-linux-arm64",
+    "build/simdeck-bin-linux-x64",
     "packages/client/dist/",
     "packages/simdeck-test/dist/"
   ],
@@ -33,10 +37,12 @@
     "node": ">=18"
   },
   "os": [
-    "darwin"
+    "darwin",
+    "linux"
   ],
   "cpu": [
-    "arm64"
+    "arm64",
+    "x64"
   ],
   "publishConfig": {
     "access": "public"

packages/cli/bin/simdeck.mjs

@@ -9,12 +9,12 @@ const RECOVERABLE_RESTART_EXIT_CODE = 75;
 
 const launcherDir = path.dirname(fileURLToPath(import.meta.url));
 const packageRoot = findPackageRoot(launcherDir);
-const binaryPath = path.join(packageRoot, "build", "simdeck-bin");
+const binaryPath = resolveBinaryPath(packageRoot);
 const childArgs = process.argv.slice(2);
 const isServiceRun = childArgs[0] === "service" && childArgs[1] === "run";
 
-if (process.platform !== "darwin") {
-  console.error("simdeck only supports macOS.");
+if (!binaryPath) {
+  console.error("simdeck only supports macOS and Linux on arm64/x64.");
   process.exit(1);
 }
 
@@ -39,6 +39,36 @@ function findPackageRoot(startDir) {
   }
 }
 
+function resolveBinaryPath(rootDir) {
+  const platform = process.platform;
+  const arch = process.arch;
+  const suffixByHost = {
+    "darwin-arm64": "darwin-arm64",
+    "darwin-x64": "darwin-x64",
+    "linux-arm64": "linux-arm64",
+    "linux-x64": "linux-x64",
+  };
+
+  const suffix = suffixByHost[`${platform}-${arch}`];
+  if (!suffix) {
+    return null;
+  }
+
+  const platformBinaryPath = path.join(
+    rootDir,
+    "build",
+    `simdeck-bin-${suffix}`,
+  );
+  if (existsSync(platformBinaryPath)) {
+    return platformBinaryPath;
+  }
+
+  const fallbackBinaryPath = path.join(rootDir, "build", "simdeck-bin");
+  return existsSync(fallbackBinaryPath)
+    ? fallbackBinaryPath
+    : platformBinaryPath;
+}
+
 let child;
 let terminating = false;