Initial commit

oAI/Utilities/Extensions/View+Extensions.swift

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+//
+//  View+Extensions.swift
+//  oAI
+//
+//  SwiftUI view helpers and modifiers
+//
+
+import SwiftUI
+
+extension View {
+    // MARK: - Conditional Modifiers
+    
+    @ViewBuilder
+    func `if`<Transform: View>(_ condition: Bool, transform: (Self) -> Transform) -> some View {
+        if condition {
+            transform(self)
+        } else {
+            self
+        }
+    }
+    
+    @ViewBuilder
+    func ifLet<Value, Transform: View>(_ value: Value?, transform: (Self, Value) -> Transform) -> some View {
+        if let value = value {
+            transform(self, value)
+        } else {
+            self
+        }
+    }
+    
+    // MARK: - Platform-Specific Helpers
+    
+    #if os(macOS)
+    func onCommandReturn(perform action: @escaping () -> Void) -> some View {
+        self
+        // Note: onKeyPress modifiers don't work in command-line Swift build
+        // This will be implemented when running in actual Xcode project
+        // For now, using keyboard shortcuts in toolbar instead
+    }
+    #endif
+    
+    // MARK: - Common Styling
+    
+    func oaiCardStyle() -> some View {
+        self
+            .background(Color.oaiSurface)
+            .cornerRadius(8)
+            .overlay(
+                RoundedRectangle(cornerRadius: 8)
+                    .stroke(Color.oaiBorder, lineWidth: 1)
+            )
+    }
+    
+    func oaiButton() -> some View {
+        self
+            .padding(.horizontal, 12)
+            .padding(.vertical, 6)
+            .background(Color.oaiSurface)
+            .foregroundColor(.oaiPrimary)
+            .cornerRadius(6)
+    }
+    
+    func oaiTextField() -> some View {
+        self
+            .padding(8)
+            .background(Color.oaiBackground)
+            .cornerRadius(6)
+            .overlay(
+                RoundedRectangle(cornerRadius: 6)
+                    .stroke(Color.oaiBorder, lineWidth: 1)
+            )
+    }
+}
+
+// MARK: - Frame Helpers
+
+extension View {
+    func frame(square size: CGFloat) -> some View {
+        self.frame(width: size, height: size)
+    }
+}