feat(analysis): 분석 요청 null 검증 추가

Author: Hyeseung-OH

backend/src/main/java/com/backend/domain/analysis/controller/AnalysisController.java

@@ -8,6 +8,8 @@
 import com.backend.domain.analysis.service.AnalysisService;
 import com.backend.domain.repository.entity.Repositories;
 import com.backend.domain.repository.service.RepositoryService;
+import com.backend.global.exception.BusinessException;
+import com.backend.global.exception.ErrorCode;
 import com.backend.global.response.ApiResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
@@ -28,6 +30,10 @@ public class AnalysisController {
     // POST: 분석 요청
     @PostMapping
     public ResponseEntity<ApiResponse<Void>> analyzeRepository(@RequestBody AnalysisRequest request) {
+        if (request == null) {
+            throw new BusinessException(ErrorCode.INVALID_INPUT_VALUE);
+        }
+
         analysisService.analyze(request.githubUrl());
         return ResponseEntity.ok(ApiResponse.success());
     }