scaffold MagnumOpusCore swift package with four modules

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Packages/MagnumOpusCore/Package.resolved

@@ -0,0 +1,78 @@
+{
+  "originHash" : "a1955dd30653eff5ee0ba37fd1a1ae6889b855a52e62cf725083a2a94b1fc6c1",
+  "pins" : [
+    {
+      "identity" : "grdb.swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/groue/GRDB.swift.git",
+      "state" : {
+        "revision" : "36e30a6f1ef10e4194f6af0cff90888526f0c115",
+        "version" : "7.10.0"
+      }
+    },
+    {
+      "identity" : "swift-atomics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-atomics.git",
+      "state" : {
+        "revision" : "b601256eab081c0f92f059e12818ac1d4f178ff7",
+        "version" : "1.3.0"
+      }
+    },
+    {
+      "identity" : "swift-collections",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-collections.git",
+      "state" : {
+        "revision" : "8d9834a6189db730f6264db7556a7ffb751e99ee",
+        "version" : "1.4.0"
+      }
+    },
+    {
+      "identity" : "swift-nio",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio",
+      "state" : {
+        "revision" : "b31565862a8f39866af50bc6676160d8dda7de35",
+        "version" : "2.96.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-imap",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-imap.git",
+      "state" : {
+        "revision" : "0a471f59b2632d04a5f4274e3b94db0d2fc7c839",
+        "version" : "0.2.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-ssl",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-ssl.git",
+      "state" : {
+        "revision" : "173cc69a058623525a58ae6710e2f5727c663793",
+        "version" : "2.36.0"
+      }
+    },
+    {
+      "identity" : "swift-se0270-range-set",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-se0270-range-set.git",
+      "state" : {
+        "revision" : "7d6d7531d40e95f4e1e26f6565265be6df228911",
+        "version" : "1.0.1"
+      }
+    },
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system.git",
+      "state" : {
+        "revision" : "7c6ad0fc39d0763e0b699210e4124afd5041c5df",
+        "version" : "1.6.4"
+      }
+    }
+  ],
+  "version" : 3
+}

Packages/MagnumOpusCore/Package.swift

@@ -0,0 +1,55 @@
+// swift-tools-version: 6.0
+import PackageDescription
+
+let package = Package(
+	name: "MagnumOpusCore",
+	// macOS 15+ / iOS 18+ required for Swift 6 strict concurrency + latest SwiftUI APIs
+	platforms: [
+		.macOS(.v15),
+		.iOS(.v18),
+	],
+	products: [
+		.library(name: "Models", targets: ["Models"]),
+		.library(name: "MailStore", targets: ["MailStore"]),
+		.library(name: "IMAPClient", targets: ["IMAPClient"]),
+		.library(name: "SyncEngine", targets: ["SyncEngine"]),
+	],
+	dependencies: [
+		.package(url: "https://github.com/apple/swift-nio-imap.git", from: "0.1.0"),
+		.package(url: "https://github.com/apple/swift-nio-ssl.git", from: "2.27.0"),
+		.package(url: "https://github.com/groue/GRDB.swift.git", from: "7.0.0"),
+	],
+	targets: [
+		.target(name: "Models"),
+		.target(
+			name: "MailStore",
+			dependencies: [
+				"Models",
+				.product(name: "GRDB", package: "GRDB.swift"),
+			]
+		),
+		.target(
+			name: "IMAPClient",
+			dependencies: [
+				"Models",
+				.product(name: "NIOIMAPCore", package: "swift-nio-imap"),
+				.product(name: "NIOIMAP", package: "swift-nio-imap"),
+				.product(name: "NIOSSL", package: "swift-nio-ssl"),
+			]
+		),
+		.target(
+			name: "SyncEngine",
+			dependencies: ["Models", "IMAPClient", "MailStore"]
+		),
+		.testTarget(name: "ModelsTests", dependencies: ["Models"]),
+		.testTarget(name: "MailStoreTests", dependencies: ["MailStore"]),
+		.testTarget(
+			name: "IMAPClientTests",
+			dependencies: [
+				"IMAPClient",
+				.product(name: "NIOIMAPCore", package: "swift-nio-imap"),
+			]
+		),
+		.testTarget(name: "SyncEngineTests", dependencies: ["SyncEngine", "IMAPClient", "MailStore"]),
+	]
+)

Packages/MagnumOpusCore/Sources/IMAPClient/Placeholder.swift

@@ -0,0 +1 @@
+enum IMAPClientPlaceholder {}

Packages/MagnumOpusCore/Sources/MailStore/Placeholder.swift

@@ -0,0 +1 @@
+enum MailStorePlaceholder {}

Packages/MagnumOpusCore/Sources/Models/Placeholder.swift

@@ -0,0 +1 @@
+enum ModelsPlaceholder {}

Packages/MagnumOpusCore/Sources/SyncEngine/Placeholder.swift

@@ -0,0 +1 @@
+enum SyncEnginePlaceholder {}

Packages/MagnumOpusCore/Tests/IMAPClientTests/Placeholder.swift

@@ -0,0 +1 @@
+import Testing

Packages/MagnumOpusCore/Tests/MailStoreTests/Placeholder.swift

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+import Testing

Packages/MagnumOpusCore/Tests/ModelsTests/Placeholder.swift

@@ -0,0 +1 @@
+import Testing

Packages/MagnumOpusCore/Tests/SyncEngineTests/Placeholder.swift

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+import Testing