Clean up repository structure and release docs

sources/app/InterfacePalette.swift

@@ -0,0 +1,53 @@
+import AppKit
+import SwiftUI
+
+enum InterfacePalette {
+    static func primaryText(for scheme: ColorScheme) -> Color {
+        Color(nsColor: .labelColor).opacity(scheme == .dark ? 0.88 : 0.86)
+    }
+
+    static func secondaryText(for scheme: ColorScheme) -> Color {
+        Color(nsColor: .secondaryLabelColor).opacity(scheme == .dark ? 0.92 : 0.88)
+    }
+
+    static func quietText(for scheme: ColorScheme) -> Color {
+        Color(nsColor: .tertiaryLabelColor).opacity(scheme == .dark ? 0.92 : 0.9)
+    }
+
+    static func actionText(for scheme: ColorScheme) -> Color {
+        Color(nsColor: .controlAccentColor).opacity(scheme == .dark ? 0.78 : 0.72)
+    }
+
+    static func subtleFill(for scheme: ColorScheme) -> Color {
+        Color(nsColor: overlayBase(for: scheme).withAlphaComponent(scheme == .dark ? 0.045 : 0.026))
+    }
+
+    static func fieldFill(for scheme: ColorScheme) -> Color {
+        Color(nsColor: overlayBase(for: scheme).withAlphaComponent(scheme == .dark ? 0.055 : 0.032))
+    }
+
+    static func hairline(for scheme: ColorScheme) -> Color {
+        Color(nsColor: overlayBase(for: scheme).withAlphaComponent(scheme == .dark ? 0.12 : 0.095))
+    }
+
+    static func connector(for scheme: ColorScheme) -> Color {
+        Color(nsColor: overlayBase(for: scheme).withAlphaComponent(scheme == .dark ? 0.14 : 0.11))
+    }
+
+    static func markerFill(for scheme: ColorScheme) -> Color {
+        Color(nsColor: overlayBase(for: scheme).withAlphaComponent(scheme == .dark ? 0.055 : 0.035))
+    }
+
+    static func markerStroke(for scheme: ColorScheme) -> Color {
+        Color(nsColor: overlayBase(for: scheme).withAlphaComponent(scheme == .dark ? 0.16 : 0.13))
+    }
+
+    static func selectedRowFill(for scheme: ColorScheme) -> Color {
+        Color(nsColor: .unemphasizedSelectedContentBackgroundColor)
+            .opacity(scheme == .dark ? 0.38 : 0.48)
+    }
+
+    private static func overlayBase(for scheme: ColorScheme) -> NSColor {
+        scheme == .dark ? .white : .black
+    }
+}