CHORE(merge): merge from develop

- Initial setup and all features from develop branch
- Includes: auth, deploy, docker, style fixes
- K3S deployment configuration

nextjs/lib/services/disciple.ts

@@ -0,0 +1,63 @@
+import { apiGet, apiPost, apiDelete, apiPut } from "@/lib/api";
+import { API_ENDPOINTS } from "@/const";
+
+export interface DiscipleVideo {
+  id: number;
+  stage: string;
+  step: string | null;
+  videoUrl: string;
+  order: number;
+  createdAt: string;
+  updatedAt: string;
+  thumbnailUrl?: string;
+  embedUrl?: string;
+}
+
+export interface DiscipleVideoData {
+  stage: string;
+  step?: string | null;
+  videoUrl: string;
+}
+
+interface DiscipleReorderData {
+  videoId1: number;
+  videoId2: number;
+}
+
+/**
+ * 모든 제자훈련 영상 가져오기
+ */
+export async function getAllDiscipleVideos(): Promise<DiscipleVideo[]> {
+  return apiGet<DiscipleVideo[]>(API_ENDPOINTS.DISCIPLE.BASE);
+}
+
+/**
+ * 특정 stage의 영상들 가져오기
+ */
+export async function getDiscipleVideosByStage(stage: string): Promise<DiscipleVideo[]> {
+  return apiGet<DiscipleVideo[]>(API_ENDPOINTS.DISCIPLE.BY_STAGE(stage));
+}
+
+/**
+ * 영상 생성
+ */
+export async function createDiscipleVideo(data: DiscipleVideoData): Promise<DiscipleVideo> {
+  return apiPost<DiscipleVideo>(API_ENDPOINTS.DISCIPLE.BASE, data);
+}
+
+/**
+ * 영상 삭제
+ */
+export async function deleteDiscipleVideo(id: number): Promise<void> {
+  return apiDelete<void>(API_ENDPOINTS.DISCIPLE.BY_ID(id));
+}
+
+/**
+ * 영상 순서 변경 (두 비디오의 순서를 교환)
+ */
+export async function swapDiscipleVideos(videoId1: number, videoId2: number): Promise<DiscipleVideo[]> {
+  return apiPut<DiscipleVideo[], DiscipleReorderData>(
+    API_ENDPOINTS.DISCIPLE.REORDER,
+    { videoId1, videoId2 }
+  );
+}