feat: add mac companion app

apps/macos/Package.swift

@@ -0,0 +1,56 @@
+// swift-tools-version: 6.2
+// Package manifest for the Clawdis macOS companion (menu bar app + CLI + IPC library).
+
+import PackageDescription
+
+let package = Package(
+    name: "Clawdis",
+    platforms: [
+        .macOS(.v15),
+    ],
+    products: [
+        .library(name: "ClawdisIPC", targets: ["ClawdisIPC"]),
+        .executable(name: "Clawdis", targets: ["Clawdis"]),
+        .executable(name: "ClawdisCLI", targets: ["ClawdisCLI"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/ChimeHQ/AsyncXPCConnection", from: "1.3.0"),
+    ],
+    targets: [
+        .target(
+            name: "ClawdisIPC",
+            dependencies: [],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency"),
+            ]
+        ),
+        .executableTarget(
+            name: "Clawdis",
+            dependencies: [
+                "ClawdisIPC",
+                .product(name: "AsyncXPCConnection", package: "AsyncXPCConnection"),
+            ],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency"),
+            ]
+        ),
+        .executableTarget(
+            name: "ClawdisCLI",
+            dependencies: [
+                "ClawdisIPC",
+                .product(name: "AsyncXPCConnection", package: "AsyncXPCConnection"),
+            ],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency"),
+            ]
+        ),
+        .testTarget(
+            name: "ClawdisIPCTests",
+            dependencies: ["ClawdisIPC"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency"),
+                .enableExperimentalFeature("SwiftTesting"),
+            ]
+        ),
+    ]
+)