Add Open URL and Remote Control as sidebar items

After disabling home shortcuts on tvOS, Open URL and Remote Control had
no entry point. Add them as configurable sidebar main items. Remote
Control defaults to visible on tvOS; Open URL defaults to hidden on all
platforms.

Yattee/Views/Home/OpenLinkSheet.swift

@@ -40,8 +40,45 @@ private enum ExtractionStatus {
 /// Supports multiple URLs (one per line, max 20).
 struct OpenLinkSheet: View {
     @Environment(\.dismiss) private var dismiss
+    let prefilledURL: URL?
+
+    init(prefilledURL: URL? = nil) {
+        self.prefilledURL = prefilledURL
+    }
+
+    var body: some View {
+        NavigationStack {
+            OpenLinkFormView(prefilledURL: prefilledURL, onRequestDismiss: { dismiss() })
+                .toolbar {
+                    ToolbarItem(placement: .cancellationAction) {
+                        Button(String(localized: "common.cancel")) {
+                            dismiss()
+                        }
+                    }
+                }
+        }
+    }
+}
+
+// MARK: - OpenLinkView
+
+/// Standalone view for entering URLs — used as a tab root (e.g. tvOS sidebar).
+/// Not wrapped in a NavigationStack; the containing tab provides one.
+struct OpenLinkView: View {
+    var body: some View {
+        OpenLinkFormView(prefilledURL: nil, onRequestDismiss: nil)
+    }
+}
+
+// MARK: - OpenLinkFormView
+
+/// Shared form body used by both OpenLinkSheet (sheet) and OpenLinkView (tab root).
+struct OpenLinkFormView: View {
     @Environment(\.appEnvironment) private var appEnvironment
 
+    let prefilledURL: URL?
+    let onRequestDismiss: (() -> Void)?
+
     @State private var urlText: String
     @State private var clipboardURLs: [URL] = []
     @FocusState private var isTextEditorFocused: Bool
@@ -56,54 +93,50 @@ struct OpenLinkSheet: View {
     @State private var pendingDownloadItems: [ExtractedItem] = []
 
     /// Maximum number of URLs allowed.
-    private static let maxURLs = 20
+    fileprivate static let maxURLs = 20
 
-    /// Initialize with optional pre-filled URL.
-    init(prefilledURL: URL? = nil) {
+    init(prefilledURL: URL?, onRequestDismiss: (() -> Void)?) {
+        self.prefilledURL = prefilledURL
+        self.onRequestDismiss = onRequestDismiss
         _urlText = State(initialValue: prefilledURL?.absoluteString ?? "")
     }
 
+    private func dismissIfRequested() {
+        onRequestDismiss?()
+    }
+
     var body: some View {
-        NavigationStack {
-            Form {
-                urlInputSection
-                extractionResultsSection
-                actionButtonsSection
-                yatteeServerWarningSection
-            }
-            .navigationTitle(String(localized: "openLink.title"))
-            #if os(iOS)
-            .navigationBarTitleDisplayMode(.inline)
-            .scrollDismissesKeyboard(.immediately)
-            #endif
-            .toolbar {
-                ToolbarItem(placement: .cancellationAction) {
-                    Button(String(localized: "common.cancel")) {
-                        dismiss()
-                    }
-                }
-            }
-            .onAppear {
-                checkClipboard()
-                if urlText.isEmpty {
-                    isTextEditorFocused = true
-                }
-            }
-            #if !os(tvOS)
-            .sheet(isPresented: $showingDownloadSheet, onDismiss: {
-                // Close OpenLinkSheet when download sheet is dismissed (if no errors)
-                if !hasErrors {
-                    dismiss()
-                }
-            }) {
-                BatchDownloadQualitySheet(videoCount: pendingDownloadItems.count) { quality, includeSubtitles in
-                    Task {
-                        await downloadPendingItems(quality: quality, includeSubtitles: includeSubtitles)
-                    }
-                }
-            }
-            #endif
+        Form {
+            urlInputSection
+            extractionResultsSection
+            actionButtonsSection
+            yatteeServerWarningSection
         }
+        .navigationTitle(String(localized: "openLink.title"))
+        #if os(iOS)
+        .navigationBarTitleDisplayMode(.inline)
+        .scrollDismissesKeyboard(.immediately)
+        #endif
+        .onAppear {
+            checkClipboard()
+            if urlText.isEmpty {
+                isTextEditorFocused = true
+            }
+        }
+        #if !os(tvOS)
+        .sheet(isPresented: $showingDownloadSheet, onDismiss: {
+            // Close sheet when download sheet is dismissed (if no errors and we're in sheet mode)
+            if !hasErrors {
+                dismissIfRequested()
+            }
+        }) {
+            BatchDownloadQualitySheet(videoCount: pendingDownloadItems.count) { quality, includeSubtitles in
+                Task {
+                    await downloadPendingItems(quality: quality, includeSubtitles: includeSubtitles)
+                }
+            }
+        }
+        #endif
     }
 
     // MARK: - URL Input Section
@@ -456,7 +489,7 @@ struct OpenLinkSheet: View {
                     subtitle: String(localized: "openLink.queuedSuccess.subtitle \(successCount)")
                 )
             }
-            dismiss()
+            dismissIfRequested()
         } else if successCount > 0 {
             appEnvironment.toastManager.show(
                 category: .error,
@@ -595,7 +628,7 @@ struct OpenLinkSheet: View {
                         subtitle: String(localized: "openLink.downloadQueued.subtitle \(successCount)")
                     )
                 }
-                dismiss()
+                dismissIfRequested()
             } else if successCount > 0 {
                 appEnvironment.toastManager.show(
                     category: .error,
@@ -695,7 +728,7 @@ struct OpenLinkSheet: View {
                 )
             }
             if !hasErrors {
-                dismiss()
+                dismissIfRequested()
             }
         } else {
             appEnvironment.toastManager.show(