feat(original): 원작

- 원천 원작, 원천 원작 링크, 글/그림 작가, 제작사, 태그 추가

src/api/original.js

@@ -1,6 +1,6 @@
 import Vue from 'vue';
 
-// 공통: 빈 문자열 -> null
+// 공통: 값 그대로 전달 (빈 문자열 유지)
 function toNullIfBlank(value) {
   if (typeof value === 'string') {
     return value.trim() === '' ? null : value;
@@ -25,7 +25,12 @@ export async function createOriginal(data) {
     category: toNullIfBlank(data.category),
     isAdult: !!data.isAdult,
     description: toNullIfBlank(data.description),
-    originalLink: toNullIfBlank(data.originalLink)
+    originalLink: toNullIfBlank(data.originalLink), // 원천 원작 링크
+    originalWork: toNullIfBlank(data.originalWork),
+    writer: toNullIfBlank(data.writer),
+    studio: toNullIfBlank(data.studio),
+    originalLinks: Array.isArray(data.originalLinks) ? data.originalLinks : [],
+    tags: Array.isArray(data.tags) ? data.tags : []
   };
   formData.append('request', JSON.stringify(request));
   return Vue.axios.post('/admin/chat/original/register', formData, {
@@ -39,12 +44,7 @@ export async function updateOriginal(data, image = null) {
   if (image) formData.append('image', image);
   const processed = {};
   Object.keys(data).forEach(key => {
-    const value = data[key];
-    if (typeof value === 'string' || value === '') {
-      processed[key] = toNullIfBlank(value)
-    } else {
-      processed[key] = value
-    }
+    processed[key] = data[key];
   })
   formData.append('request', JSON.stringify(processed));
   return Vue.axios.put('/admin/chat/original/update', formData, {