fix(omega-mac): support macOS 14 by replacing macOS 15-only APIs

- Add `indirect` to recursive JSONSchemaAdditional enum
- Replace `.accent` ShapeStyle (macOS 15+) with `Color.accentColor`
- Add .gitignore for .build directory

apps/omega-mac/.gitignore

@@ -0,0 +1 @@
+.build

apps/omega-mac/OmegaMac/Services/OpenAITypes.swift

@@ -89,7 +89,7 @@ struct JSONSchemaProperty: Encodable {
     }
 }
 
-enum JSONSchemaAdditional: Encodable {
+indirect enum JSONSchemaAdditional: Encodable {
     case bool(Bool)
     case typed(JSONSchemaProperty)
 

apps/omega-mac/OmegaMac/Views/Chat/ChatInputBar.swift

@@ -32,7 +32,7 @@ struct ChatInputBar: View {
                 Button(action: onSend) {
                     Image(systemName: "arrow.up.circle.fill")
                         .font(.title2)
-                        .foregroundStyle(canSend ? .accent : .tertiary)
+                        .foregroundStyle(canSend ? Color.accentColor : Color.secondary)
                 }
                 .buttonStyle(.borderless)
                 .disabled(!canSend)

apps/omega-mac/OmegaMac/Views/Chat/MessageBubble.swift

@@ -23,7 +23,7 @@ struct MessageBubble: View {
                 .font(.body)
                 .foregroundStyle(.white)
                 .padding(12)
-                .background(.accent)
+                .background(Color.accentColor)
                 .clipShape(RoundedRectangle(cornerRadius: 12))
                 .textSelection(.enabled)
         }

apps/omega-mac/OmegaMac/Views/Chat/MessageList.swift

@@ -71,7 +71,7 @@ struct MessageList: View {
 
             if isStreaming {
                 Rectangle()
-                    .fill(.accent)
+                    .fill(Color.accentColor)
                     .frame(width: 2, height: 16)
                     .opacity(0.8)
                     .modifier(PulseAnimation())

apps/omega-mac/OmegaMac/Views/Chat/StreamingIndicator.swift

@@ -7,7 +7,7 @@ struct StreamingIndicator: View {
     var body: some View {
         HStack(spacing: 6) {
             Image(systemName: "sparkles")
-                .foregroundStyle(.accent)
+                .foregroundStyle(Color.accentColor)
                 .font(.caption)
 
             Text("Omega is thinking" + String(repeating: ".", count: dotCount))

apps/omega-mac/OmegaMac/Views/Shared/EmptyStateView.swift

@@ -7,7 +7,7 @@ struct EmptyStateView: View {
         VStack(spacing: 20) {
             Image(systemName: "star.circle.fill")
                 .font(.system(size: 56))
-                .foregroundStyle(.accent)
+                .foregroundStyle(Color.accentColor)
                 .symbolEffect(.pulse, options: .repeating)
 
             Text("Omega")
@@ -43,7 +43,7 @@ struct EmptyStateView: View {
         HStack(spacing: 10) {
             Image(systemName: icon)
                 .frame(width: 20)
-                .foregroundStyle(.accent)
+                .foregroundStyle(Color.accentColor)
             Text(text)
                 .font(.callout)
                 .foregroundStyle(.secondary)

apps/omega-mac/Package.resolved

@@ -0,0 +1,33 @@
+{
+  "originHash" : "4ab20d6f9b3760314be6c8d471432a312fe8c0dbb4f3f28d71f6a6e9d6f6262d",
+  "pins" : [
+    {
+      "identity" : "networkimage",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/gonzalezreal/NetworkImage",
+      "state" : {
+        "revision" : "2849f5323265386e200484b0d0f896e73c3411b9",
+        "version" : "6.0.1"
+      }
+    },
+    {
+      "identity" : "swift-cmark",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/swiftlang/swift-cmark",
+      "state" : {
+        "revision" : "5d9bdaa4228b381639fff09403e39a04926e2dbe",
+        "version" : "0.7.1"
+      }
+    },
+    {
+      "identity" : "swift-markdown-ui",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/gonzalezreal/swift-markdown-ui",
+      "state" : {
+        "revision" : "5f613358148239d0292c0cef674a3c2314737f9e",
+        "version" : "2.4.1"
+      }
+    }
+  ],
+  "version" : 3
+}