feat(api)!: 适配新版后端接口

切换到 Cookie 会话和新版 DTO，并迁移画廊、地图、个人主页、百科及上传流程。停用后端尚未实现的账号与徽章功能，同时纳入新版 API 契约文档。

BREAKING CHANGE: 前端不再兼容旧 /api/v1 接口和 refresh token 流程。

src/components/cloud/QuickUploadModal.vue

@@ -91,9 +91,7 @@ function handleRemove(id: string) {
 function onCategoryChange(event: Event) {
   if (!activeItem.value) return
   const value = (event.target as HTMLSelectElement).value
-  if (value === 'other') {
-    activeItem.value.cloudCategoryId = 'other'
-  } else if (value === '') {
+  if (value === '') {
     activeItem.value.cloudCategoryId = null
   } else {
     activeItem.value.cloudCategoryId = Number(value)
@@ -102,6 +100,7 @@ function onCategoryChange(event: Event) {
 }
 
 function formatDatetimeLocal(iso: string): string {
+  if (!iso) return ''
   const date = new Date(iso)
   const pad = (value: number) => String(value).padStart(2, '0')
   return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}T${pad(date.getHours())}:${pad(date.getMinutes())}`
@@ -110,8 +109,7 @@ function formatDatetimeLocal(iso: string): string {
 function onCapturedAtChange(event: Event) {
   if (!activeItem.value) return
   const value = (event.target as HTMLInputElement).value
-  if (!value) return
-  activeItem.value.capturedAt = new Date(value).toISOString()
+  activeItem.value.capturedAt = value ? new Date(value).toISOString() : ''
   delete activeItem.value.errors.capturedAt
 }
 
@@ -169,7 +167,7 @@ async function handleSubmit() {
 
   const result = await uploadAll()
   if (!result.ok) {
-    errorMsg.value = '上传失败，请稍后重试'
+    errorMsg.value = result.errorMessage || '上传失败，请稍后重试'
     return
   }
 
@@ -217,7 +215,7 @@ onBeforeUnmount(() => {
         </div>
 
         <div class="max-h-[72vh] overflow-y-auto px-5 py-5">
-          <input ref="fileInput" type="file" accept="image/*" class="hidden" @change="handleFileSelect" />
+          <input ref="fileInput" type="file" accept="image/jpeg,image/png,image/webp" class="hidden" @change="handleFileSelect" />
 
           <NAlert v-if="successMsg" type="success" :bordered="false" title="已提交审核" class="mb-4">
             图片审核通过后会出现在画廊和地图中。
@@ -248,7 +246,7 @@ onBeforeUnmount(() => {
           >
             <NIcon size="42" class="text-sky-600"><CloudUpload /></NIcon>
             <p class="mt-3 text-base font-semibold text-slate-800">选择一张云图</p>
-            <p class="oc-field-help">支持 JPG、PNG，可点击或拖拽上传。</p>
+            <p class="oc-field-help">支持 JPEG、PNG、WebP，图片不超过 20MB。</p>
           </div>
 
           <template v-else-if="activeItem">
@@ -275,21 +273,13 @@ onBeforeUnmount(() => {
                     <option v-for="cloudType in cloudsStore.cloudTypes" :key="cloudType.id" :value="cloudType.id">
                       {{ cloudType.name }}（{{ cloudType.name_en }}）
                     </option>
-                    <option value="other">其他</option>
                   </select>
-                  <input
-                    v-if="activeItem.cloudCategoryId === 'other'"
-                    v-model="activeItem.customCloudType"
-                    type="text"
-                    placeholder="输入云的类型"
-                    class="oc-field-control mt-2"
-                    @input="activeItem.errors = {}"
-                  />
                   <p v-if="activeItem.errors.cloudCategory" class="oc-field-error">{{ activeItem.errors.cloudCategory }}</p>
+                  <p v-if="activeItem.errors.file" class="oc-field-error">{{ activeItem.errors.file }}</p>
                 </div>
 
                 <div>
-                  <label class="oc-field-label">拍摄时间 <span class="oc-field-required">*</span></label>
+                  <label class="oc-field-label">拍摄时间</label>
                   <input
                     type="datetime-local"
                     :value="formatDatetimeLocal(activeItem.capturedAt)"
@@ -300,7 +290,7 @@ onBeforeUnmount(() => {
                 </div>
 
                 <div>
-                  <label class="oc-field-label">经纬度</label>
+                  <label class="oc-field-label">经纬度 <span class="oc-field-required">*</span></label>
                   <div class="grid grid-cols-[minmax(0,1fr)_minmax(0,1fr)_40px] gap-2">
                     <div>
                       <input
@@ -336,17 +326,7 @@ onBeforeUnmount(() => {
                       </NIcon>
                     </button>
                   </div>
-                  <p class="mt-1 text-xs text-slate-400">选填，可手动输入，也可以点击右侧地图按钮选点。</p>
-                </div>
-
-                <div>
-                  <label class="oc-field-label">位置名称</label>
-                  <input
-                    v-model="activeItem.locationName"
-                    type="text"
-                    placeholder="如：北京、成都"
-                    class="oc-field-control"
-                  />
+                  <p class="mt-1 text-xs text-slate-400">必填，可手动输入，也可以点击右侧地图按钮选点。</p>
                 </div>
 
                 <div>
@@ -354,9 +334,11 @@ onBeforeUnmount(() => {
                   <textarea
                     v-model="activeItem.description"
                     rows="3"
+                    maxlength="128"
                     placeholder="描述一下这张图片..."
                     class="oc-field-control resize-none"
                   ></textarea>
+                  <p v-if="activeItem.errors.description" class="oc-field-error">{{ activeItem.errors.description }}</p>
                 </div>
 
                 <label class="flex items-center justify-between gap-4 border border-slate-200 bg-slate-50 px-4 py-3">