release: v1.4.1 — 上传策略设置、保留原图与上传 tagNames

管理员可在设置页配置上传大小、格式、限流与保留原图；上传 API 支持按标签名称打标。

server/utils/multipart-form.ts

@@ -0,0 +1,30 @@
+import type { MultiPartData } from 'h3'
+
+export function readMultipartFormFieldValues(
+  formData: MultiPartData[],
+  fieldName: string
+): string[] {
+  const field = formData.find(part => part.name === fieldName)
+  if (field?.data?.length) {
+    const raw = new TextDecoder().decode(field.data).trim()
+    if (!raw) return []
+    try {
+      const parsed = JSON.parse(raw) as unknown
+      if (Array.isArray(parsed)) {
+        return parsed.map(item => String(item).trim()).filter(Boolean)
+      }
+    } catch {
+      // fall through to comma-separated parsing
+    }
+    return raw.split(',').map(item => item.trim()).filter(Boolean)
+  }
+
+  const repeatFields = formData.filter(
+    part => part.name === fieldName && part.data?.length
+  )
+  if (!repeatFields.length) return []
+
+  return repeatFields
+    .map(part => new TextDecoder().decode(part.data!).trim())
+    .filter(Boolean)
+}