Redesign WebInspectorKit ownership and model APIs

.github/workflows/docc.yml

@@ -58,11 +58,12 @@ jobs:
           sdk_path="$(xcrun --sdk iphonesimulator --show-sdk-path)"
           swift package --scratch-path .build/docc-generation \
             --sdk "$sdk_path" \
-            --triple arm64-apple-ios18.0-simulator \
+            --triple arm64-apple-ios18.4-simulator \
             --allow-writing-to-directory .build/docs \
             generate-documentation \
             --target WebInspectorUI \
             --target WebInspectorDataKit \
+            --target WebInspectorDataKitTesting \
             --target WebInspectorProxyKit \
             --target WebInspectorProxyKitTesting \
             --disable-indexing \

ContractTests/Package.swift

@@ -11,8 +11,8 @@ let strictSwiftSettings: [SwiftSetting] = [
 let package = Package(
     name: "WebInspectorKitContractTests",
     platforms: [
-        .iOS(.v18),
-        .macOS(.v15),
+        .iOS("18.4"),
+        .macOS("15.4"),
     ],
     dependencies: [
         .package(path: ".."),
@@ -29,6 +29,7 @@ let package = Package(
             name: "WebInspectorConsumerContractTests",
             dependencies: [
                 .product(name: "WebInspectorDataKit", package: "WebInspectorKit"),
+                .product(name: "WebInspectorDataKitTesting", package: "WebInspectorKit"),
                 .product(name: "WebInspectorProxyKit", package: "WebInspectorKit"),
                 .product(name: "WebInspectorProxyKitTesting", package: "WebInspectorKit"),
                 .product(