Keep the captured app focused during selection

The overlay used to activate Kapture, pushing the target app into
background mode so its chrome (title bar, toolbar, tabs) was captured
dimmed. Input no longer needs activation — the event tap handles it — so
the overlay is a non-activating panel shown without taking focus, and the
app keeps its active appearance in the capture.

💘 Generated with Crush

Assisted-by: Crush:deepseek-v4-flash-0731

Sources/Kapture/CaptureController.swift

@@ -84,21 +84,26 @@ final class CaptureController: NSObject {
         }
         isSelecting = true
         previousApp = NSWorkspace.shared.frontmostApplication
-        // Activation is async on macOS 26; wait a tick so the app is active
-        // before the overlays appear (otherwise clicks pass through).
-        NSApp.activate(ignoringOtherApps: true)
-        CaptureController.log("begin: activate issued, active=\(NSApp.isActive)")
+        // With the event tap driving input we must NOT activate: stealing
+        // focus turns the target app into background mode (dimmed chrome),
+        // and that is what would end up in the screenshot. Activate only on
+        // the fallback path, where panel events are the only input.
+        let usesTap = AXIsProcessTrusted()
+        if !usesTap {
+            NSApp.activate(ignoringOtherApps: true)
+        }
+        CaptureController.log("begin: usesTap=\(usesTap) active=\(NSApp.isActive)")
         DispatchQueue.main.asyncAfter(deadline: .now() + 0.05) { [weak self] in
             guard let self, self.isSelecting else { return }
-            CaptureController.log("begin: active=\(NSApp.isActive) — showing overlays")
             self.overlays = NSScreen.screens.map { screen in
                 let panel = OverlayWindow(screen: screen, controller: self)
                 (panel.contentView as? OverlayView)?.controller = self
                 return panel
             }
-            self.overlays.forEach { $0.makeKeyAndOrderFront(nil) }
+            // orderFrontRegardless: show without taking key/focus.
+            self.overlays.forEach { $0.orderFrontRegardless() }
             self.overlayIDs = self.overlays.map { $0.windowNumber }
-            CaptureController.log("begin: \(self.overlays.count) overlays, ids=\(self.overlayIDs), active=\(NSApp.isActive)")
+            CaptureController.log("begin: \(self.overlays.count) overlays, ids=\(self.overlayIDs) — prior app stays focused")
             self.installEventTap()
         }
     }