Efficiency: Release builds by default, only the visible island screen is built, character at 30 fps, adaptive mouse polling (60/30/10 Hz), hex colours parsed once

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

NotchBuddy/Sources/App/IslandWindowController.swift

@@ -217,16 +217,33 @@ final class IslandWindowController: NSWindowController {
 
     // MARK: - 60 Hz polling loop
 
-    private func startPolling() {
-        frameTimer = Timer.scheduledTimer(withTimeInterval: 1.0/60.0, repeats: true) { [weak self] _ in
+    private var pollInterval: TimeInterval = 0
+
+    /// Mouse polling rate follows what's on screen: 60 Hz only while dragging (ghost,
+    /// chat handle), 30 Hz with the island open (the character draws at 30 fps),
+    /// 10 Hz when folded (hover still reacts within 0.1 s).
+    private var desiredPollInterval: TimeInterval {
+        if inAttachDrag || attachDragStart != nil || state.chatDragHeight != nil { return 1.0 / 60.0 }
+        return state.mode == .expanded ? 1.0 / 30.0 : 1.0 / 10.0
+    }
+
+    private func startPolling(interval: TimeInterval = 1.0 / 10.0) {
+        frameTimer?.invalidate()
+        pollInterval = interval
+        let t = Timer(timeInterval: interval, repeats: true) { [weak self] _ in
             guard let self else { return }
             Task { @MainActor in self.pollFrame() }
         }
-        RunLoop.main.add(frameTimer!, forMode: .common)
+        // Let macOS coalesce wakeups with other timers.
+        t.tolerance = interval * 0.2
+        RunLoop.main.add(t, forMode: .common)
+        frameTimer = t
     }
 
     private func pollFrame() {
         guard let panel = window as? IslandPanel else { return }
+        let want = desiredPollInterval
+        if abs(want - pollInterval) > 0.001 { startPolling(interval: want) }
 
         let mouse = NSEvent.mouseLocation