fix: SSE 호출부 수정 및 이전에 삭제한 레포를 재등록 했을 때 unique 제약 위반하는 오류 수정

backend/src/main/java/com/stackup/stackup/github/application/GithubRepositoryService.java

@@ -42,7 +42,11 @@ public GithubRepositoryResult register(Long userId, RegisterRepositoryCommand co
         User user = userRepository.findByIdAndDeletedFalse(userId)
             .orElseThrow(() -> new DomainException(ApiErrorCode.USER_NOT_FOUND));
 
-        if (repositoryRepository.findByUser_IdAndGithubRepoIdAndDeletedFalse(userId, command.githubRepoId()).isPresent()) {
+        // soft delete 된 행이 있으면 새 INSERT 대신 그 행을 복구한다
+        GithubRepository existing = repositoryRepository
+            .findByUser_IdAndGithubRepoId(userId, command.githubRepoId())
+            .orElse(null);
+        if (existing != null && !existing.isDeleted()) {
             throw new DomainException(ApiErrorCode.REPO_ALREADY_REGISTERED);
         }
 
@@ -55,14 +59,20 @@ public GithubRepositoryResult register(Long userId, RegisterRepositoryCommand co
             throw new DomainException(ApiErrorCode.VALIDATION_ERROR);
         }
 
-        GithubRepository repo = repositoryRepository.save(GithubRepository.create(
-            user,
-            meta.id(),
-            meta.name(),
-            meta.fullName(),
-            meta.htmlUrl(),
-            meta.defaultBranch()
-        ));
+        GithubRepository repo;
+        if (existing != null) {
+            existing.reactivate(meta.name(), meta.fullName(), meta.htmlUrl(), meta.defaultBranch());
+            repo = existing;
+        } else {
+            repo = repositoryRepository.save(GithubRepository.create(
+                user,
+                meta.id(),
+                meta.name(),
+                meta.fullName(),
+                meta.htmlUrl(),
+                meta.defaultBranch()
+            ));
+        }
 
         events.publishEvent(new RepositoryRegisteredEvent(userId, repo.getId()));
         return GithubRepositoryResult.of(repo);

backend/src/main/java/com/stackup/stackup/github/domain/GithubRepository.java

@@ -117,4 +117,11 @@ public void markFailed() {
     public void markDeleted() {
         this.deleted = true;
     }
+
+    // 이전에 soft delete 된 레포를 다시 등록할 때 같은 행을 복구한다.
+    public void reactivate(String repoName, String repoFullName, String repoUrl, String defaultBranch) {
+        this.deleted = false;
+        this.status = RepositoryStatus.PENDING;
+        updateMetadata(repoName, repoFullName, repoUrl, defaultBranch);
+    }
 }

backend/src/main/java/com/stackup/stackup/github/domain/GithubRepositoryRepository.java

@@ -13,5 +13,7 @@ public interface GithubRepositoryRepository extends JpaRepository<GithubReposito
 
     Optional<GithubRepository> findByUser_IdAndGithubRepoIdAndDeletedFalse(Long userId, Long githubRepoId);
 
+    Optional<GithubRepository> findByUser_IdAndGithubRepoId(Long userId, Long githubRepoId);
+
     List<GithubRepository> findByUser_IdAndGithubRepoIdInAndDeletedFalse(Long userId, Set<Long> githubRepoIds);
 }

frontend/src/features/analysis/model/types.ts

@@ -20,7 +20,7 @@ export type AnalyzedDocument = {
   updatedAt: string
 }
 
-// /api/stream/me 의 DOC_STATE / REPO_STATE 이벤트 data 의 payload 필드.
+// /realtime/stream/me 의 DOC_STATE / REPO_STATE 이벤트 data 의 payload 필드.
 export type AnalysisEventPayload = {
   targetType: AnalysisSourceType
   targetId: number

frontend/src/pages/Workspace/model/useWorkspaceAnalysisStream.ts

@@ -6,7 +6,6 @@ import { repoKeys } from '@/features/repo'
 import { documentKeys } from '@/features/analysis'
 import { useEventStream } from '@/shared/hooks'
 
-// /api/stream/me 를 구독해 분석 상태(DOC_STATE/REPO_STATE) 가 오면
 // 이력서·레포·문서 쿼리를 무효화 → 화면이 자동으로 최신 상태로 갱신된다.
 export function useWorkspaceAnalysisStream() {
   const queryClient = useQueryClient()
@@ -20,7 +19,7 @@ export function useWorkspaceAnalysisStream() {
   }, [queryClient])
 
   useEventStream({
-    path: '/api/stream/me',
+    path: '/realtime/stream/me',
     getToken,
     handlers: {
       DOC_STATE: invalidateAll,