refactor: FSD 구조 강화 및 파일 500줄 제한에 따른 대규모 리팩토링

- SpaceWorkspaceWidget 로직을 전용 훅 및 유틸리티로 분리 (900줄 -> 300줄)
- useSpaceWorkspaceSelection 훅을 기능별(영속성, 진단 등) 소형 훅으로 분리
- SpaceToolsDockWidget의 상태 및 핸들러 로직 추출
- 거대 i18n 번역 파일(ko.ts)을 도메인별 메시지 파일로 구조화
- AdminConsoleWidget 누락분 추가 및 미디어 엔티티 타입 오류 수정

src/features/auth/components/AuthRedirectButton.tsx

@@ -3,7 +3,7 @@
 import type { ReactNode } from "react";
 import Cookies from "js-cookie";
 import { useRouter } from "next/navigation";
-import { TOKEN_COOKIE_KEY } from "@/features/auth/model/constants";
+import { TOKEN_COOKIE_KEY } from "@/shared/config/authTokens";
 import { Button, type ButtonSize, type ButtonVariant } from "@/shared/ui/Button";
 import { useAuthStore } from "@/store/useAuthStore";
 

src/features/inbox/api/inboxApi.ts

@@ -1,57 +0,0 @@
-import { apiClient } from '@/shared/lib/apiClient';
-
-export interface InboxThoughtResponse {
-  id: string;
-  text: string;
-  sceneName: string;
-  isCompleted: boolean;
-  capturedAt: string;
-}
-
-export interface CreateInboxThoughtRequest {
-  text: string;
-  sceneName: string;
-}
-
-export interface UpdateInboxThoughtRequest {
-  isCompleted: boolean;
-}
-
-export const inboxApi = {
-  getThoughts: async (): Promise<InboxThoughtResponse[]> => {
-    return apiClient<InboxThoughtResponse[]>('api/v1/inbox/thoughts', {
-      method: 'GET',
-    });
-  },
-
-  addThought: async (payload: CreateInboxThoughtRequest): Promise<InboxThoughtResponse> => {
-    return apiClient<InboxThoughtResponse>('api/v1/inbox/thoughts', {
-      method: 'POST',
-      body: JSON.stringify(payload),
-    });
-  },
-
-  updateThoughtComplete: async (
-    thoughtId: string,
-    payload: UpdateInboxThoughtRequest
-  ): Promise<InboxThoughtResponse> => {
-    return apiClient<InboxThoughtResponse>(`api/v1/inbox/thoughts/${thoughtId}/complete`, {
-      method: 'PUT',
-      body: JSON.stringify(payload),
-    });
-  },
-
-  deleteThought: async (thoughtId: string): Promise<void> => {
-    return apiClient<void>(`api/v1/inbox/thoughts/${thoughtId}`, {
-      method: 'DELETE',
-      expectNoContent: true,
-    });
-  },
-
-  clearThoughts: async (): Promise<void> => {
-    return apiClient<void>('api/v1/inbox/thoughts', {
-      method: 'DELETE',
-      expectNoContent: true,
-    });
-  },
-};