fix(ui): prevent close button overlapping theme toggle

Docs: link server CLI docs and list flags/env vars

packages/ui/src/App.tsx

@@ -460,25 +460,17 @@ const App: Component = () => {
         <Show when={showFolderSelection()}>
           <div class="fixed inset-0 bg-black/50 z-50 flex items-center justify-center">
             <div class="w-full h-full relative">
-              <button
-                onClick={() => {
-                  setShowFolderSelection(false)
-                  setIsAdvancedSettingsOpen(false)
-                  clearLaunchError()
-                }}
-                class="absolute top-4 right-4 z-10 p-2 bg-white dark:bg-gray-800 rounded-lg shadow-lg hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors"
-                title={t("app.launchError.closeTitle")}
-              >
-                <svg class="w-5 h-5 text-gray-600 dark:text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
-                </svg>
-              </button>
               <FolderSelectionView
                 onSelectFolder={handleSelectFolder}
                 isLoading={isSelectingFolder()}
                 advancedSettingsOpen={isAdvancedSettingsOpen()}
                 onAdvancedSettingsOpen={() => setIsAdvancedSettingsOpen(true)}
                 onAdvancedSettingsClose={() => setIsAdvancedSettingsOpen(false)}
+                onClose={() => {
+                  setShowFolderSelection(false)
+                  setIsAdvancedSettingsOpen(false)
+                  clearLaunchError()
+                }}
               />
             </div>
           </div>

packages/ui/src/components/folder-selection-view.tsx

@@ -1,6 +1,6 @@
 import { Select } from "@kobalte/core/select"
 import { Component, createSignal, Show, For, onMount, onCleanup, createEffect } from "solid-js"
-import { Folder, Clock, Trash2, FolderPlus, Settings, ChevronRight, MonitorUp, Star, Languages, ChevronDown } from "lucide-solid"
+import { Folder, Clock, Trash2, FolderPlus, Settings, ChevronRight, MonitorUp, Star, Languages, ChevronDown, X } from "lucide-solid"
 import { useConfig } from "../stores/preferences"
 import AdvancedSettingsModal from "./advanced-settings-modal"
 import DirectoryBrowserDialog from "./directory-browser-dialog"
@@ -23,6 +23,7 @@ interface FolderSelectionViewProps {
   onAdvancedSettingsOpen?: () => void
   onAdvancedSettingsClose?: () => void
   onOpenRemoteAccess?: () => void
+  onClose?: () => void
 }
 
 const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
@@ -373,7 +374,18 @@ const FolderSelectionView: Component<FolderSelectionViewProps> = (props) => {
                 class="selector-button selector-button-secondary w-auto p-2 inline-flex items-center justify-center"
                 onClick={() => props.onOpenRemoteAccess?.()}
               >
-                <MonitorUp class="w-4 h-4" />
+                  <MonitorUp class="w-4 h-4" />
+                </button>
+            </Show>
+            <Show when={props.onClose}>
+              <button
+                type="button"
+                class="selector-button selector-button-secondary w-auto p-2 inline-flex items-center justify-center"
+                onClick={() => props.onClose?.()}
+                aria-label={t("app.launchError.close")}
+                title={t("app.launchError.closeTitle")}
+              >
+                <X class="w-4 h-4" />
               </button>
             </Show>
           </div>