Add explicit Suno handoff action

Sources/MusicAssistantApp/Presentation/FinalReviewView.swift

@@ -3,9 +3,11 @@ import SwiftUI
 
 struct FinalReviewView: View {
     @Binding var project: SongProject
+    @Environment(\.openURL) private var openURL
 
     @State private var newFieldKey = ""
     @State private var newFieldValue = ""
+    @State private var handoffStatus: HandoffStatus?
 
     var body: some View {
         VStack(alignment: .leading, spacing: 12) {
@@ -42,6 +44,16 @@ struct FinalReviewView: View {
                     Label("Prepare fields", systemImage: "wand.and.stars")
                 }
                 .disabled(project.sunoOutput != nil)
+
+                Button(action: sendToSuno) {
+                    Label("Send to Suno", systemImage: "arrow.up.forward.app")
+                }
+            }
+
+            if let handoffStatus {
+                Label(handoffStatus.title, systemImage: handoffStatus.systemImage)
+                    .font(.caption)
+                    .foregroundStyle(handoffStatus.foregroundStyle)
             }
 
             TextField("Suno lyrics", text: sunoLyricsBinding, axis: .vertical)
@@ -165,6 +177,62 @@ struct FinalReviewView: View {
             generatedAt: Date()
         )
     }
+
+    private func sendToSuno() {
+        ensureSunoOutput()
+
+        guard let output = project.sunoOutput else { return }
+
+        do {
+            try CompiledSunoOutputValidator().validate(
+                CompiledSunoOutput(lyricsText: output.lyricsText, stylePrompt: output.stylePrompt)
+            )
+        } catch let validationError as LocalizedError {
+            handoffStatus = .failed(validationError.errorDescription ?? "Unable to prepare the Suno handoff.")
+            return
+        } catch {
+            handoffStatus = .failed("Unable to prepare the Suno handoff.")
+            return
+        }
+
+        openURL(SunoHandoffDestination.createPageURL) { accepted in
+            handoffStatus = accepted
+                ? .opened
+                : .failed("Unable to open the Suno Create page.")
+        }
+    }
+}
+
+private enum HandoffStatus: Equatable {
+    case opened
+    case failed(String)
+
+    var title: String {
+        switch self {
+        case .opened:
+            return "Suno Create opened in your browser."
+        case let .failed(message):
+            return message
+        }
+    }
+
+    var systemImage: String {
+        switch self {
+        case .opened:
+            return "checkmark.circle.fill"
+        case .failed:
+            return "exclamationmark.triangle.fill"
+        }
+    }
+
+    var foregroundStyle: Color {
+        switch self {
+        case .opened:
+            return .green
+        case .failed:
+            return .red
+        }
+    }
 }
 
 #Preview {

Sources/MusicAssistantCore/Integrations/Suno/SunoHandoffService.swift

@@ -1,3 +1,9 @@
+import Foundation
+
 public protocol SunoHandoffService: Sendable {
     func handOff(_ output: CompiledSunoOutput) async throws
 }
+
+public enum SunoHandoffDestination {
+    public static let createPageURL = URL(string: "https://suno.com/create")!
+}

Tests/MusicAssistantCoreTests/SunoHandoffDestinationTests.swift

@@ -0,0 +1,12 @@
+import MusicAssistantCore
+import XCTest
+
+final class SunoHandoffDestinationTests: XCTestCase {
+    func testCreatePageUsesTheOfficialSunoCreateURL() {
+        let url = SunoHandoffDestination.createPageURL
+
+        XCTAssertEqual(url.scheme, "https")
+        XCTAssertEqual(url.host, "suno.com")
+        XCTAssertEqual(url.path, "/create")
+    }
+}

docs/TASKS.md

@@ -107,8 +107,8 @@ requirement is missing and blocks implementation, record it in
 
 ## Phase 8 --- Suno Handoff
 
--   [ ] Implement explicit `Send to Suno` action.
--   [ ] Open the appropriate Suno creation surface.
+-   [x] Implement explicit `Send to Suno` action.
+-   [x] Open the appropriate Suno creation surface.
 -   [ ] Fill supported fields with approved project output.
 -   [ ] Never trigger Generate automatically.
 -   [ ] Detect/report when fields cannot be filled rather than silently