Add tests for CodeDiff

Author: intitni

TestPlan.xctestplan

@@ -154,6 +154,13 @@
         "identifier" : "SuggestionInjectorTests",
         "name" : "SuggestionInjectorTests"
       }
+    },
+    {
+      "target" : {
+        "containerPath" : "container:",
+        "identifier" : "CodeDiffTests",
+        "name" : "CodeDiffTests"
+      }
     }
   ],
   "version" : 1

Tool/Package.swift

@@ -246,6 +246,7 @@ let package = Package(
                 "Preferences",
                 "SuggestionBasic",
                 "DebounceFunction",
+                "CodeDiff",
                 .product(name: "ComposableArchitecture", package: "swift-composable-architecture"),
             ]
         ),
@@ -327,6 +328,7 @@ let package = Package(
                 "ObjectiveCExceptionHandling",
                 "USearchIndex",
                 "ChatBasic",
+                .product(name: "JSONRPC", package: "JSONRPC"),
                 .product(name: "Parsing", package: "swift-parsing"),
                 .product(name: "SwiftSoup", package: "SwiftSoup"),
             ]
@@ -358,6 +360,7 @@ let package = Package(
                 "BuiltinExtension",
                 "Toast",
                 "SuggestionProvider",
+                .product(name: "JSONRPC", package: "JSONRPC"),
                 .product(name: "LanguageServerProtocol", package: "LanguageServerProtocol"),
                 .product(name: "CopilotForXcodeKit", package: "CopilotForXcodeKit"),
             ],
@@ -381,6 +384,7 @@ let package = Package(
                 "XcodeInspector",
                 "BuiltinExtension",
                 "ChatTab",
+                .product(name: "JSONRPC", package: "JSONRPC"),
                 .product(name: "CopilotForXcodeKit", package: "CopilotForXcodeKit"),
             ]
         ),

Tool/Sources/CodeDiff/CodeDiff.swift

@@ -2,6 +2,8 @@ import Foundation
 import SuggestionBasic
 
 public struct CodeDiff {
+    public init() {}
+    
     public typealias LineDiff = CollectionDifference<String>
 
     public struct SnippetDiff: Equatable {