feat: complete release preparation, 10+ ad mediation, CI/CD, and docker deployment

apps/desktop/src/main/services/MemoService.ts

@@ -44,6 +44,9 @@ class MemoService {
   addTag(historyId: string, tag: string): MemoTag {
     const db = getDatabase()
     const normalizedTag = tag.trim().toLowerCase()
+    if (!normalizedTag) {
+      throw new D3ROError(ErrorCode.ConfigInvalidValue, 'Memo tag is empty')
+    }
 
     // 중복 검사
     const existing = db
@@ -355,6 +358,10 @@ class MemoService {
 
 let instance: MemoService | null = null
 
+export function resetMemoServiceForTests(): void {
+  instance = null
+}
+
 export function getMemoService(): MemoService {
   if (!instance) {
     instance = new MemoService()