Allow pasting and attaching images in question Other fields on iPhone

mac/Sources/Byre/Composer.swift

@@ -267,12 +267,12 @@ extension View {
 }
 
 #if os(iOS)
-private struct ComposerMenu: View {
+struct ComposerMenu: View {
     let key: String
     let photos: Bool
-    let models: [String]
-    let selected: String
-    let choose: @MainActor @Sendable (String) -> Void
+    var models: [String] = []
+    var selected = ""
+    var choose: @MainActor @Sendable (String) -> Void = { _ in }
     @Environment(Store.self) private var store
     @Environment(Overlays.self) private var overlays
     @ViewState private var picking = false
@@ -286,6 +286,11 @@ private struct ComposerMenu: View {
                 } label: {
                     Label("Attach photos", systemImage: "photo")
                 }
+                Button {
+                    paste()
+                } label: {
+                    Label("Paste image", systemImage: "doc.on.clipboard")
+                }
             }
             if !models.isEmpty {
                 Picker("Model for the next turn", selection: Binding(get: { selected }, set: choose)) {
@@ -316,6 +321,19 @@ private struct ComposerMenu: View {
             }
         }
     }
+
+    private func paste() {
+        let images = UIPasteboard.general.images ?? []
+        if images.isEmpty {
+            overlays.showAlert("The clipboard has no image.")
+            return
+        }
+        for image in images {
+            if let data = image.jpegData(compressionQuality: 0.85) {
+                store.images.add(key, data, name: nil, overlays)
+            }
+        }
+    }
 }
 #endif