서버 코드를 Router, Service, Repository 계층으로 분리하고 오류 처리 및 파일 삭제 로직 개선

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

pnpm-lock.yaml

@@ -29,9 +29,6 @@ importers:
       superjson:
         specifier: ^2.2.6
         version: 2.2.6
-      uuid:
-        specifier: ^14.0.3
-        version: 14.0.3
       zod:
         specifier: ^4.6.5
         version: 4.6.5
@@ -2470,10 +2467,6 @@ packages:
   util-deprecate@1.0.2:
     resolution: {integrity: sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==}
 
-  uuid@14.0.3:
-    resolution: {integrity: sha512-Sc5u1VVln93y1Xnz4R+CunOZc7R9LUcTmhj7Rc7Eg3HVcf7rVn2FOoa812fe0W8p3jD7xeoGSYbfqCGGH2B6xw==}
-    hasBin: true
-
   vite@8.3.4:
     resolution: {integrity: sha512-IftLE8phJhdNRIGNEV4JCCvfNScoZQVfcXaN8TQropWGJtOHcu+iAB9pHcuGvmEb/kddw0LBe/jS8ztdC6xdiQ==}
     engines: {node: ^20.19.0 || >=22.12.0}
@@ -4771,8 +4764,6 @@ snapshots:
 
   util-deprecate@1.0.2: {}
 
-  uuid@14.0.3: {}
-
   vite@8.3.4(@types/node@26.6.5)(jiti@1.21.7)(yaml@2.9.1):
     dependencies:
       lightningcss: 1.33.0