Refactor and Rename to CommandNotch

Downterm/CommandNotch/Components/SwiftTermView.swift

@@ -0,0 +1,46 @@
+import SwiftUI
+import SwiftTerm
+
+/// NSViewRepresentable wrapper that embeds a SwiftTerm TerminalView.
+/// The container has a solid black background — matching the notch panel.
+/// All transparency is handled by the single `.opacity()` on ContentView.
+struct SwiftTermView: NSViewRepresentable {
+
+    let session: TerminalSession
+
+    func makeNSView(context: Context) -> NSView {
+        let container = NSView()
+        container.wantsLayer = true
+        container.layer?.backgroundColor = NSColor.black.cgColor
+        embedTerminalView(in: container)
+        return container
+    }
+
+    func updateNSView(_ nsView: NSView, context: Context) {
+        let tv = session.terminalView
+
+        if nsView.subviews.first !== tv {
+            nsView.subviews.forEach { $0.removeFromSuperview() }
+            embedTerminalView(in: nsView)
+        }
+
+        DispatchQueue.main.async {
+            if let window = nsView.window, window.isKeyWindow {
+                window.makeFirstResponder(tv)
+            }
+        }
+    }
+
+    private func embedTerminalView(in container: NSView) {
+        let tv = session.terminalView
+        tv.removeFromSuperview()
+        container.addSubview(tv)
+        tv.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            tv.topAnchor.constraint(equalTo: container.topAnchor),
+            tv.bottomAnchor.constraint(equalTo: container.bottomAnchor),
+            tv.leadingAnchor.constraint(equalTo: container.leadingAnchor),
+            tv.trailingAnchor.constraint(equalTo: container.trailingAnchor),
+        ])
+    }
+}