refactor: remove auto_run, add default install dir value

frontend/src/pages/admin/versions/[id].vue

@@ -55,7 +55,6 @@ const formData = ref({
   entry_file: '',
   entry_files: [] as string[],
   desktop_shortcut_files: [] as string[],
-  auto_run: false,
   default_install_dir: '',
   file: null as File | null,
   base_version_id: '' as string,
@@ -68,6 +67,16 @@ const selectedApplication = computed(() => {
   return applications.value.find(app => String(app.id) === formData.value.application_id)
 })
 
+// 当应用选择变化时，自动设置默认安装目录
+watch(
+  () => selectedApplication.value,
+  (app) => {
+    if (app && !formData.value.default_install_dir) {
+      formData.value.default_install_dir = `C:\\Program Files\\${app.name}`
+    }
+  }
+)
+
 const baseVersionFiles = ref<VersionFileInfo[]>([])
 
 const mergedFiles = computed(() => {
@@ -146,7 +155,6 @@ async function fetchVersion() {
       formData.value.changelog = ver.changelog || ''
       formData.value.entry_file = ver.entry_file || ''
       formData.value.base_version_id = ver.base_version_id ? String(ver.base_version_id) : ''
-      formData.value.auto_run = ver.auto_run || false
       formData.value.default_install_dir = ver.default_install_dir || ''
       // 解析 entry_files JSON
       try {
@@ -371,7 +379,6 @@ async function handleSubmit() {
       entry_file: formData.value.entry_file,
       entry_files: JSON.stringify(formData.value.entry_files),
       desktop_shortcut_files: JSON.stringify(formData.value.desktop_shortcut_files),
-      auto_run: formData.value.auto_run,
       default_install_dir: formData.value.default_install_dir,
     }
 
@@ -693,14 +700,6 @@ onMounted(() => {
               <div class="space-y-4 rounded-lg border p-4">
                 <h4 class="font-medium">{{ t('admin.versions.createForm.installOptions') }}</h4>
 
-                <div class="flex items-center justify-between">
-                  <div class="space-y-0.5">
-                    <UiLabel class="text-sm">{{ t('admin.versions.createForm.autoRun') }}</UiLabel>
-                    <p class="text-xs text-muted-foreground">{{ t('admin.versions.createForm.autoRunDesc') }}</p>
-                  </div>
-                  <UiSwitch v-model="formData.auto_run" :disabled="saving" />
-                </div>
-
                 <div class="space-y-2">
                   <UiLabel class="text-sm">{{ t('admin.versions.createForm.defaultInstallDir') }}</UiLabel>
                   <UiInput

frontend/src/pages/admin/versions/create.vue

@@ -54,7 +54,6 @@ const formData = ref({
   entry_file: '',
   entry_files: [] as string[],
   desktop_shortcut_files: [] as string[],
-  auto_run: false,
   default_install_dir: '',
   file: null as File | null,
   base_version_id: '' as string,
@@ -67,6 +66,16 @@ const selectedApplication = computed(() => {
   return applications.value.find(app => String(app.id) === formData.value.application_id)
 })
 
+// 当应用选择变化时，自动设置默认安装目录
+watch(
+  () => selectedApplication.value,
+  (app) => {
+    if (app && !formData.value.default_install_dir) {
+      formData.value.default_install_dir = `C:\\Program Files\\${app.name}`
+    }
+  }
+)
+
 const baseVersionFiles = ref<VersionFileInfo[]>([])
 
 const mergedFiles = computed(() => {
@@ -337,7 +346,6 @@ async function handleSubmit() {
       entry_file: formData.value.entry_file,
       entry_files: JSON.stringify(formData.value.entry_files),
       desktop_shortcut_files: JSON.stringify(formData.value.desktop_shortcut_files),
-      auto_run: formData.value.auto_run,
       default_install_dir: formData.value.default_install_dir,
       file_path: uploadedData.value.file_path,
       file_size: uploadedData.value.file_size,
@@ -613,14 +621,6 @@ onMounted(() => {
               <div class="space-y-4 rounded-lg border p-4">
                 <h4 class="font-medium">{{ t('admin.versions.createForm.installOptions') }}</h4>
 
-                <div class="flex items-center justify-between">
-                  <div class="space-y-0.5">
-                    <UiLabel class="text-sm">{{ t('admin.versions.createForm.autoRun') }}</UiLabel>
-                    <p class="text-xs text-muted-foreground">{{ t('admin.versions.createForm.autoRunDesc') }}</p>
-                  </div>
-                  <UiSwitch v-model="formData.auto_run" :disabled="saving" />
-                </div>
-
                 <div class="space-y-2">
                   <UiLabel class="text-sm">{{ t('admin.versions.createForm.defaultInstallDir') }}</UiLabel>
                   <UiInput