feat(submitter): add form validation tips and improve submission checks

1. add real-time form validation prompt component for submission page
2. add URL validation for official website and screenshot format checks
3. refactor form validity calculation and user input status judgment
4. replace mirror switch with configurable base URL, support dev proxy path handling
5. add processing logic for base64 format screenshots
6. optimize history search and form reset logic

src/components/SubmitterWindow.vue

@@ -384,6 +384,55 @@
           </button>
         </div>
 
+        <!-- 表单校验提示 -->
+        <div
+          v-if="!isFormValid && hasUserStartedFilling"
+          class="mt-3 p-3 bg-amber-50 border border-amber-200 rounded-lg dark:bg-amber-900/20 dark:border-amber-800"
+        >
+          <p
+            class="text-sm font-medium text-amber-700 dark:text-amber-400 mb-1.5"
+          >
+            请完善以下信息：
+          </p>
+          <ul class="text-xs text-amber-600 dark:text-amber-500 space-y-0.5">
+            <li v-if="!formData.name.trim()">
+              <i class="fas fa-times-circle mr-1"></i> 应用名称
+            </li>
+            <li v-if="!formData.pkgname.trim()">
+              <i class="fas fa-times-circle mr-1"></i> 包名
+            </li>
+            <li v-if="!formData.version.trim()">
+              <i class="fas fa-times-circle mr-1"></i> 版本号
+            </li>
+            <li v-if="!formData.category.trim()">
+              <i class="fas fa-times-circle mr-1"></i> 分类
+            </li>
+            <li v-if="!formData.debFilePath">
+              <i class="fas fa-times-circle mr-1"></i> 安装包
+            </li>
+            <li v-if="!formData.remark.trim()">
+              <i class="fas fa-times-circle mr-1"></i> 测试情况
+            </li>
+            <li v-if="!formData.website.trim()">
+              <i class="fas fa-times-circle mr-1"></i> 官网地址
+            </li>
+            <li
+              v-if="
+                formData.website.trim() && !isValidUrl(formData.website.trim())
+              "
+            >
+              <i class="fas fa-times-circle mr-1"></i> 官网地址格式不正确（需以
+              http:// 或 https:// 开头）
+            </li>
+            <li v-if="!formData.tags.trim()">
+              <i class="fas fa-times-circle mr-1"></i> 标签
+            </li>
+            <li v-if="formData.screenshots.length === 0">
+              <i class="fas fa-times-circle mr-1"></i> 至少上传一张截图
+            </li>
+          </ul>
+        </div>
+
         <div
           v-if="isSubmitting || isPackaging"
           class="p-4 bg-blue-50 border border-blue-200 rounded-lg dark:bg-blue-900/20 dark:border-blue-800"
@@ -652,6 +701,7 @@
 
 <script setup lang="ts">
 import { ref, reactive, computed, watch } from "vue";
+import { APM_STORE_BASE_URL } from "@/global/storeConfig";
 
 interface HistoryArchInfo {
   id: number;
@@ -755,14 +805,55 @@ const tagsList = ref<Tag[]>([]);
 const selectedTags = ref<Tag[]>([]);
 const selectedTagValue = ref("");
 
+const isValidUrl = (url: string): boolean => {
+  if (!url.trim()) return false;
+  try {
+    const parsed = new URL(url);
+    return parsed.protocol === "http:" || parsed.protocol === "https:";
+  } catch {
+    return false;
+  }
+};
+
 const isFormValid = computed(() => {
-  return (
+  const hasRequiredFields =
     formData.name.trim() &&
     formData.pkgname.trim() &&
     formData.version.trim() &&
     formData.category.trim() &&
     formData.debFilePath &&
-    formData.remark.trim()
+    formData.remark.trim() &&
+    formData.website.trim() &&
+    formData.tags.trim();
+
+  if (!hasRequiredFields) return false;
+
+  // 官网：必须为有效的 http/https URL
+  if (!isValidUrl(formData.website.trim())) {
+    return false;
+  }
+
+  // 截图：至少一张，且每张都是有效的 data URL 或 http/https URL
+  if (formData.screenshots.length === 0) return false;
+  for (const screenshot of formData.screenshots) {
+    if (
+      !screenshot.startsWith("data:") &&
+      !screenshot.startsWith("http://") &&
+      !screenshot.startsWith("https://")
+    ) {
+      return false;
+    }
+  }
+
+  return true;
+});
+
+const hasUserStartedFilling = computed(() => {
+  return (
+    formData.name.trim() ||
+    formData.pkgname.trim() ||
+    formData.debFilePath ||
+    formData.screenshots.length > 0
   );
 });
 
@@ -952,8 +1043,6 @@ const selectDebFile = async () => {
   }
 };
 
-const useMirror = ref(true);
-
 const searchHistoryApp = async () => {
   console.log(
     "[Submitter] ============== SEARCHING HISTORY INFO ==============",
@@ -962,7 +1051,6 @@ const searchHistoryApp = async () => {
     "[Submitter] pkgname is not empty, searching history with:",
     formData.pkgname,
   );
-  console.log("[Submitter] Using mirror:", useMirror.value);
 
   console.log(
     "[Submitter] Calling IPC: search-history-app with pkgname:",
@@ -971,7 +1059,7 @@ const searchHistoryApp = async () => {
   const historyResult = await window.ipcRenderer.invoke(
     "search-history-app",
     formData.pkgname,
-    useMirror.value,
+    APM_STORE_BASE_URL,
   );
   console.log(
     "[Submitter] Received history search response:",
@@ -1079,6 +1167,9 @@ const searchHistoryApp = async () => {
         historyResult?.message,
       );
     }
+    // 未找到历史记录时清空旧数据，避免上一个应用的残留
+    availableArchs.value = [];
+    showArchDialog.value = false;
   }
 };
 
@@ -1261,9 +1352,12 @@ const selectArch = async (arch: HistoryArchInfo) => {
     console.log("[Submitter] Tags loaded from history:", selectedTags.value);
   }
 
-  const baseUrl = useMirror.value
-    ? `https://mirrors.sdu.edu.cn/spark-store/${arch.store}/${arch.category}/${arch.pkgname}`
-    : `https://spk-json.spark-app.store/${arch.store}/${arch.category}/${arch.pkgname}`;
+  // 开发模式下来自 Vite 代理的路径（如 /local_amd64-store），
+  // 后端 fetch/fs 无法处理，需要解析为实际 CDN 地址
+  const resolvedBaseUrl = APM_STORE_BASE_URL.startsWith("/")
+    ? "https://erotica.spark-app.store"
+    : APM_STORE_BASE_URL;
+  const baseUrl = `${resolvedBaseUrl}/${arch.store}/${arch.category}/${arch.pkgname}`;
 
   console.log(
     "[Submitter] Building icon and screenshot URLs with baseUrl:",
@@ -1391,6 +1485,12 @@ const resetForm = () => {
   uploadStage.value = "";
   uploadStageMessage.value = "";
   uploadStages.value = [];
+  selectedTags.value = [];
+  selectedTagValue.value = "";
+  availableArchs.value = [];
+  showArchDialog.value = false;
+  currentDebArch.value = "";
+  isSearchingHistory.value = false;
 };
 
 const closeSubmitSuccessModal = () => {