feat: 멤버 관리 연동 + 사용자 검색 API (3단계)

- 멤버 목록/초대/역할변경/제거 프론트 연동(RepoMembersPage), 초대 자동완성
- GET /users 사용자 검색 API + UserController
- RepoMembersPage 역할 변경 드롭다운 잘림(overflow) 수정
- InviteMember/UpdateMember DTO, RepoMember 엔티티 정비

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend/src/pages/relay/RepoMembersPage.vue

@@ -1,18 +1,59 @@
 <script setup lang="ts">
-// 저장소 멤버 — 멤버 목록 + 역할/제거 + 멤버 초대 모달
-import { computed, onMounted, onUnmounted, ref } from 'vue'
+// 저장소 멤버 — 멤버 목록 + 역할/제거 + 멤버 초대 모달 (백엔드 연동)
+import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useRoute, RouterLink } from 'vue-router'
 import AppShell from '@/layouts/AppShell.vue'
 import RepoHeader from '@/components/RepoHeader.vue'
 import RepoTabs from '@/components/RepoTabs.vue'
-import { findRepo, findRepoMembers } from '@/mock/relay.mock'
+import { useRepoStore } from '@/stores/repo.store'
+import { useMemberStore } from '@/stores/member.store'
+import { useUser } from '@/composables/useUser'
+import { avatarColor, initialOf } from '@/shared/utils/format'
+import type { Repo } from '@/mock/relay.mock'
+import type { ApiMember } from '@/types/repo'
+import type { MemberRoleType } from '@/types/member'
 
 type RoleFilter = 'all' | 'admin' | 'member'
 
 const route = useRoute()
 const repoId = computed(() => String(route.params.repoId))
-const repo = computed(() => findRepo(repoId.value))
-const members = computed(() => findRepoMembers(repoId.value))
+const repoStore = useRepoStore()
+const memberStore = useMemberStore()
+
+// 저장소 헤더 — API 연동
+const repo = ref<Repo | null>(null)
+async function loadRepo() {
+  try {
+    repo.value = await repoStore.fetchOne(repoId.value)
+  } catch {
+    repo.value = null // 404/403 은 인터셉터가 알림 처리
+  }
+}
+
+// 멤버 목록 — API 연동
+const members = computed(() => memberStore.members)
+const loading = computed(() => memberStore.loading)
+async function loadMembers() {
+  try {
+    await memberStore.fetchList(repoId.value)
+  } catch {
+    // 인터셉터가 알림 처리
+  }
+}
+
+watch(
+  repoId,
+  () => {
+    loadRepo()
+    loadMembers()
+  },
+  { immediate: true },
+)
+
+// 현재 사용자가 이 저장소의 관리자인지(초대·역할변경·제거 권한)
+const isAdmin = computed(() =>
+  members.value.some((m) => m.isYou && m.roleType === 'admin'),
+)
 
 // 헤더 아바타용 멤버(전체 로스터)
 const headerMembers = computed(() => members.value.map((m) => m.user))
@@ -35,10 +76,122 @@ const filteredMembers = computed(() =>
   }),
 )
 
-// 초대 모달
+// --- 역할 변경 드롭다운 ---
+const openRoleFor = ref<string | null>(null)
+const roleBusy = ref(false)
+function toggleRoleMenu(userId: string) {
+  openRoleFor.value = openRoleFor.value === userId ? null : userId
+}
+async function changeRole(userId: string, roleType: MemberRoleType) {
+  openRoleFor.value = null
+  roleBusy.value = true
+  try {
+    await memberStore.update(repoId.value, userId, { roleType })
+  } catch {
+    // 인터셉터가 알림 처리
+  } finally {
+    roleBusy.value = false
+  }
+}
+
+// --- 멤버 제거 ---
+async function removeMember(userId: string, name: string) {
+  if (!window.confirm(`${name} 님을 저장소에서 제거하시겠습니까?`)) return
+  try {
+    await memberStore.remove(repoId.value, userId)
+  } catch {
+    // 인터셉터가 알림 처리
+  }
+}
+
+// --- 초대 모달 ---
 const showInvite = ref(false)
+const inviteEmail = ref('')
+const inviteRole = ref<MemberRoleType>('member')
+const inviteBusy = ref(false)
+
+// --- 사용자 자동완성(타입어헤드) ---
+const userApi = useUser()
+const userResults = ref<ApiMember[]>([])
+const usersLoading = ref(false)
+const showUserDropdown = ref(false)
+let userSearchTimer: ReturnType<typeof setTimeout> | null = null
+
+// 현재 저장소에 이미 속한 사용자 id (자동완성에서 제외)
+const memberIds = computed(() => new Set(members.value.map((m) => m.user.id)))
+const userOptions = computed(() =>
+  userResults.value.filter((u) => !memberIds.value.has(u.id)),
+)
+
+// 서버 검색 실행 — 입력값으로 이메일/이름 부분일치, 비어 있으면 전체
+async function runUserSearch() {
+  usersLoading.value = true
+  try {
+    userResults.value = await userApi.search(inviteEmail.value)
+  } catch {
+    userResults.value = [] // 인터셉터가 알림 처리
+  } finally {
+    usersLoading.value = false
+  }
+}
+function scheduleUserSearch() {
+  if (userSearchTimer) clearTimeout(userSearchTimer)
+  userSearchTimer = setTimeout(runUserSearch, 200)
+}
+function onEmailFocus() {
+  showUserDropdown.value = true
+  void runUserSearch() // 포커스 시 전체(또는 현재 입력 기준) 목록 표시
+}
+function onEmailInput() {
+  showUserDropdown.value = true
+  scheduleUserSearch()
+}
+function onEmailBlur() {
+  // 항목은 @mousedown.prevent 로 선택하지만, 안전하게 약간 지연 후 닫는다
+  setTimeout(() => (showUserDropdown.value = false), 120)
+}
+function selectUser(u: ApiMember) {
+  inviteEmail.value = u.email
+  showUserDropdown.value = false
+}
+
+function openInvite() {
+  inviteEmail.value = ''
+  inviteRole.value = 'member'
+  userResults.value = []
+  showUserDropdown.value = false
+  showInvite.value = true
+}
+function closeInvite() {
+  showInvite.value = false
+  showUserDropdown.value = false
+}
+
+const canSubmitInvite = computed(
+  () => !inviteBusy.value && inviteEmail.value.trim().length > 0,
+)
+
+async function submitInvite() {
+  if (!canSubmitInvite.value) return
+  inviteBusy.value = true
+  try {
+    await memberStore.invite(repoId.value, {
+      email: inviteEmail.value.trim(),
+      roleType: inviteRole.value,
+    })
+    closeInvite()
+  } catch {
+    // 인터셉터가 알림 처리(미가입/중복 등 BIZ_001 서버 문구 노출)
+  } finally {
+    inviteBusy.value = false
+  }
+}
+
 function onKeydown(e: KeyboardEvent) {
-  if (e.key === 'Escape') showInvite.value = false
+  if (e.key === 'Escape') {
+    showInvite.value = false
+    openRoleFor.value = null
+  }
 }
 onMounted(() => window.addEventListener('keydown', onKeydown))
 onUnmounted(() => window.removeEventListener('keydown', onKeydown))
@@ -70,14 +223,14 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
 
       <RepoHeader
         :repo="repo"
-        meta-text="멤버 5명"
+        :meta-text="`멤버 ${counts.all}명`"
         :members="headerMembers"
         :more-count="0"
       />
       <RepoTabs
         :repo-id="repo.id"
         active="members"
-        :task-count="12"
+        :task-count="repo.totalCount"
         :member-count="counts.all"
       />
 
@@ -141,9 +294,10 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
           </button>
         </div>
         <button
+          v-if="isAdmin"
           class="btn primary invite"
           type="button"
-          @click="showInvite = true"
+          @click="openInvite"
         >
           <svg
             viewBox="0 0 24 24"
@@ -164,7 +318,22 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
       </div>
 
       <!-- 멤버 목록 -->
-      <div class="list">
+      <div
+        v-if="loading"
+        class="state-msg"
+      >
+        멤버를 불러오는 중…
+      </div>
+      <div
+        v-else-if="filteredMembers.length === 0"
+        class="state-msg"
+      >
+        표시할 멤버가 없습니다.
+      </div>
+      <div
+        v-else
+        class="list"
+      >
         <div
           v-for="m in filteredMembers"
           :key="m.user.id"
@@ -182,7 +351,7 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
               >나</span>
             </div>
             <div class="mem-sub">
-              {{ m.email }} <span class="dot">·</span> {{ m.subRole }}
+              {{ m.email }}
             </div>
           </div>
           <div
@@ -191,6 +360,7 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
           >
             <b>{{ m.taskCount }}</b>건 담당
           </div>
+          <!-- 소유자: 변경 불가 고정 표시 -->
           <div
             v-if="m.owner"
             class="role fixed admin"
@@ -211,28 +381,64 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
               /><path d="M7 11V7a5 5 0 0 1 10 0v4" /></svg>
             </span>
           </div>
-          <button
+          <!-- 관리자: 역할 변경 드롭다운 -->
+          <div
+            v-else-if="isAdmin"
+            class="role-wrap"
+          >
+            <button
+              class="role"
+              :class="{ admin: m.roleType === 'admin' }"
+              type="button"
+              :disabled="roleBusy"
+              @click.stop="toggleRoleMenu(m.user.id)"
+            >
+              <span class="role-dot" />{{ m.roleType === 'admin' ? '관리자' : '멤버' }}
+              <span class="caret">
+                <svg
+                  viewBox="0 0 24 24"
+                  fill="none"
+                  stroke="currentColor"
+                  stroke-width="2"
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                ><path d="m6 9 6 6 6-6" /></svg>
+              </span>
+            </button>
+            <div
+              v-if="openRoleFor === m.user.id"
+              class="role-menu"
+            >
+              <button
+                type="button"
+                :class="{ on: m.roleType === 'member' }"
+                @click="changeRole(m.user.id, 'member')"
+              >
+                멤버
+              </button>
+              <button
+                type="button"
+                :class="{ on: m.roleType === 'admin' }"
+                @click="changeRole(m.user.id, 'admin')"
+              >
+                관리자
+              </button>
+            </div>
+          </div>
+          <!-- 일반 멤버 시점: 변경 불가 표시 -->
+          <div
             v-else
-            class="role"
-            type="button"
+            class="role readonly"
+            :class="{ admin: m.roleType === 'admin' }"
           >
             <span class="role-dot" />{{ m.roleType === 'admin' ? '관리자' : '멤버' }}
-            <span class="caret">
-              <svg
-                viewBox="0 0 24 24"
-                fill="none"
-                stroke="currentColor"
-                stroke-width="2"
-                stroke-linecap="round"
-                stroke-linejoin="round"
-              ><path d="m6 9 6 6 6-6" /></svg>
-            </span>
-          </button>
+          </div>
           <button
+            v-if="isAdmin && !m.owner"
             class="mem-remove"
-            :class="{ disabled: m.owner }"
             type="button"
-            :title="m.owner ? '소유자는 제거할 수 없습니다' : '멤버 제거'"
+            title="멤버 제거"
+            @click="removeMember(m.user.id, m.user.name)"
           >
             <svg
               viewBox="0 0 24 24"
@@ -281,81 +487,99 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
               ><path d="M18 6 6 18M6 6l12 12" /></svg>
             </button>
           </div>
-          <div class="modal-body">
-            <label class="m-label">초대할 사람</label>
-            <div class="icombo">
-              <div class="icombo-field">
-                <span class="ichip"><span class="avatar av-f mini">한</span>한지민 <span class="x">×</span></span>
-                <span class="ichip ext">
+          <form
+            class="modal-body"
+            @submit.prevent="submitInvite"
+          >
+            <div class="m-field uc-field">
+              <label class="m-label">초대할 사람 (이메일)</label>
+              <input
+                v-model="inviteEmail"
+                class="m-input"
+                type="email"
+                placeholder="가입된 사용자의 이메일 입력…"
+                autocomplete="off"
+                @focus="onEmailFocus"
+                @input="onEmailInput"
+                @blur="onEmailBlur"
+              >
+              <!-- 사용자 자동완성 드롭다운 -->
+              <div
+                v-if="showUserDropdown"
+                class="user-dd"
+              >
+                <div
+                  v-if="usersLoading"
+                  class="user-dd-msg"
+                >
+                  불러오는 중…
+                </div>
+                <template v-else>
+                  <button
+                    v-for="u in userOptions"
+                    :key="u.id"
+                    type="button"
+                    class="user-dd-item"
+                    @mousedown.prevent="selectUser(u)"
+                  >
+                    <span
+                      class="avatar user-av"
+                      :class="avatarColor(u.id)"
+                    >{{ initialOf(u.name) }}</span>
+                    <span class="user-nm">{{ u.name }}</span>
+                    <span class="user-em">{{ u.email }}</span>
+                  </button>
+                  <div
+                    v-if="userOptions.length === 0"
+                    class="user-dd-msg"
+                  >
+                    {{ inviteEmail.trim() ? '일치하는 사용자가 없습니다.' : '초대할 수 있는 사용자가 없습니다.' }}
+                  </div>
+                </template>
+              </div>
+            </div>
+
+            <div class="m-field">
+              <label class="m-label">역할</label>
+              <div class="select-wrap">
+                <select v-model="inviteRole">
+                  <option value="member">
+                    멤버
+                  </option>
+                  <option value="admin">
+                    관리자
+                  </option>
+                </select>
+                <span class="caret">
                   <svg
-                    width="13"
-                    height="13"
                     viewBox="0 0 24 24"
                     fill="none"
                     stroke="currentColor"
                     stroke-width="2"
-                  ><rect
-                    x="2"
-                    y="4"
-                    width="20"
-                    height="16"
-                    rx="2"
-                  /><path d="m22 6-10 7L2 6" /></svg>
-                  partner@vendor.com <span class="x">×</span>
+                    stroke-linecap="round"
+                    stroke-linejoin="round"
+                  ><path d="m6 9 6 6 6-6" /></svg>
                 </span>
-                <input
-                  class="icombo-input"
-                  placeholder="이름 또는 이메일 입력…"
-                >
-              </div>
-            </div>
-
-            <div class="m-row">
-              <div class="m-role">
-                <label class="m-label">역할</label>
-                <div class="select-wrap">
-                  <select>
-                    <option>멤버</option>
-                    <option>관리자</option>
-                  </select>
-                  <span class="caret">
-                    <svg
-                      viewBox="0 0 24 24"
-                      fill="none"
-                      stroke="currentColor"
-                      stroke-width="2"
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                    ><path d="m6 9 6 6 6-6" /></svg>
-                  </span>
-                </div>
-              </div>
-              <div class="m-grow">
-                <label class="m-label">초대 메시지 <span class="muted">(선택)</span></label>
-                <input
-                  class="m-input"
-                  type="text"
-                  placeholder="함께 캠페인 준비해요!"
-                >
               </div>
             </div>
             <div class="role-hint">
               <b>멤버</b>는 담당자로 배정되어 업무를 수행하고, <b>관리자</b>는 업무 지시와 멤버 관리도 할 수 있습니다.
             </div>
-          </div>
+          </form>
           <div class="modal-foot">
-            <span class="fnote">초대받은 사람에게 메일이 발송됩니다.</span>
+            <span class="fnote">이미 가입된 사용자만 초대할 수 있습니다.</span>
             <button
               class="mbtn"
               type="button"
-              @click="showInvite = false"
+              @click="closeInvite"
             >
               취소
             </button>
             <button
               class="mbtn primary"
               type="button"
-              @click="showInvite = false"
+              :disabled="!canSubmitInvite"
+              @click="submitInvite"
             >
               <svg
                 viewBox="0 0 24 24"
@@ -365,7 +589,7 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
                 stroke-linecap="round"
                 stroke-linejoin="round"
               ><path d="m22 2-7 20-4-9-9-4Z" /><path d="M22 2 11 13" /></svg>
-              초대 보내기 (2)
+              {{ inviteBusy ? '초대 중…' : '초대 보내기' }}
             </button>
           </div>
         </div>
@@ -416,6 +640,10 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
 }
 .mem-row:first-child {
   border-top: none;
+  border-radius: 0.625rem 0.625rem 0 0;
+}
+.mem-row:last-child {
+  border-radius: 0 0 0.625rem 0.625rem;
 }
 .mem-row:hover {
   background: #fafbfc;
@@ -589,6 +817,71 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
   opacity: 0 !important;
   pointer-events: none;
 }
+
+/* 로딩/빈 상태 메시지 */
+.state-msg {
+  padding: 2.5rem 1.125rem;
+  text-align: center;
+  font-size: 0.844rem;
+  color: var(--text-3);
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  background: #fff;
+}
+
+/* 역할 변경 드롭다운 */
+/* 전역 .list 의 overflow:hidden 이 드롭다운을 잘라내므로, 이 화면에서는 보이도록 해제.
+   대신 컨테이너 라운드 코너 클리핑은 각 행의 첫/마지막 모서리에서 유지된다. */
+.list {
+  overflow: visible;
+}
+.role-wrap {
+  position: relative;
+}
+.role:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+.role.readonly {
+  cursor: default;
+  background: #f7f8fa;
+}
+.role-menu {
+  position: absolute;
+  top: calc(100% + 0.25rem);
+  right: 0;
+  z-index: 20;
+  min-width: 6.5rem;
+  background: #fff;
+  border: 1px solid var(--border-strong);
+  border-radius: var(--radius);
+  box-shadow: 0 8px 24px rgba(20, 24, 33, 0.16);
+  padding: 0.25rem;
+  display: flex;
+  flex-direction: column;
+  gap: 0.125rem;
+}
+.role-menu button {
+  height: 2rem;
+  padding: 0 0.625rem;
+  border: none;
+  border-radius: var(--radius-sm);
+  background: transparent;
+  font-family: inherit;
+  font-size: 0.8125rem;
+  font-weight: 600;
+  color: var(--text-2);
+  text-align: left;
+  cursor: pointer;
+}
+.role-menu button:hover {
+  background: #f1f2f4;
+  color: var(--text);
+}
+.role-menu button.on {
+  color: var(--accent);
+  background: var(--accent-weak);
+}
 </style>
 
 <!-- 초대 모달은 Teleport 로 body 에 렌더되므로 비-scoped 전역 스타일 -->
@@ -599,7 +892,7 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
   background: #fff;
   border-radius: 0.875rem;
   box-shadow: 0 24px 64px rgba(20, 24, 33, 0.32);
-  overflow: hidden;
+  /* overflow:hidden 제거 — 자동완성 드롭다운이 모달 밖으로 넘쳐도 잘리지 않도록 */
 }
 .invite-modal .modal-head {
   display: flex;
@@ -644,6 +937,78 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
 }
 .invite-modal .modal-body {
   padding: 0.25rem 1.5rem 0.5rem;
+  /* 전역 .modal-body(text-align:center) 상속 차단 — 폼은 좌측 정렬 */
+  text-align: left;
+}
+/* 모달 입력 필드(이메일/역할) — 세로 스택, 전체 너비 */
+.invite-modal .m-field {
+  margin-top: 1.125rem;
+}
+.invite-modal .m-field:first-child {
+  margin-top: 0;
+}
+
+/* 사용자 자동완성 드롭다운 */
+.invite-modal .uc-field {
+  position: relative;
+}
+.invite-modal .user-dd {
+  position: absolute;
+  top: calc(100% + 0.375rem);
+  left: 0;
+  right: 0;
+  z-index: 10;
+  background: #fff;
+  border: 1px solid var(--border);
+  border-radius: 0.5625rem;
+  box-shadow: 0 12px 32px rgba(20, 24, 33, 0.16);
+  padding: 0.375rem;
+  max-height: 16rem;
+  overflow-y: auto;
+}
+.invite-modal .user-dd-item {
+  display: flex;
+  align-items: center;
+  gap: 0.625rem;
+  width: 100%;
+  padding: 0.4375rem 0.5rem;
+  border: none;
+  background: transparent;
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+  font-family: inherit;
+  text-align: left;
+}
+.invite-modal .user-dd-item:hover {
+  background: #f5f6f8;
+}
+.invite-modal .user-av {
+  width: 1.625rem;
+  height: 1.625rem;
+  font-size: 0.6875rem;
+  flex-shrink: 0;
+}
+.invite-modal .user-nm {
+  font-size: 0.8125rem;
+  font-weight: 600;
+  color: var(--text);
+  white-space: nowrap;
+}
+.invite-modal .user-em {
+  font-size: 0.75rem;
+  color: var(--text-3);
+  margin-left: auto;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  max-width: 14rem;
+  padding-left: 0.5rem;
+}
+.invite-modal .user-dd-msg {
+  padding: 0.75rem 0.5rem;
+  font-size: 0.781rem;
+  color: var(--text-3);
+  text-align: center;
 }
 .invite-modal .m-label {
   font-size: 0.781rem;
@@ -656,76 +1021,6 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
   color: var(--text-3);
   font-weight: 500;
 }
-.invite-modal .icombo {
-  position: relative;
-}
-.invite-modal .icombo-field {
-  border: 1px solid var(--accent);
-  border-radius: var(--radius);
-  padding: 0.4375rem 0.5rem;
-  background: #fff;
-  box-shadow: 0 0 0 3px var(--accent-weak);
-  display: flex;
-  flex-wrap: wrap;
-  gap: 0.375rem;
-  align-items: center;
-}
-.invite-modal .ichip {
-  display: inline-flex;
-  align-items: center;
-  gap: 0.375rem;
-  background: #f1f2f4;
-  border: 1px solid var(--border);
-  border-radius: 20px;
-  padding: 0.1875rem 0.5rem 0.1875rem 0.25rem;
-  font-size: 0.781rem;
-  font-weight: 600;
-  color: var(--text);
-  white-space: nowrap;
-}
-.invite-modal .ichip .avatar.mini {
-  width: 1.125rem;
-  height: 1.125rem;
-  font-size: 0.5625rem;
-}
-.invite-modal .ichip.ext {
-  background: var(--accent-weak);
-  border-color: var(--accent-border);
-  color: var(--accent);
-}
-.invite-modal .ichip .x {
-  color: var(--text-3);
-  cursor: pointer;
-  font-size: 0.8125rem;
-  line-height: 1;
-}
-.invite-modal .ichip .x:hover {
-  color: var(--red);
-}
-.invite-modal .icombo-input {
-  flex: 1;
-  min-width: 7.5rem;
-  border: none;
-  outline: none;
-  font-family: inherit;
-  font-size: 0.8125rem;
-  padding: 0.25rem 0.125rem;
-  background: transparent;
-}
-.invite-modal .icombo-input::placeholder {
-  color: var(--text-3);
-}
-.invite-modal .m-row {
-  display: flex;
-  gap: 0.75rem;
-  margin-top: 1.125rem;
-}
-.invite-modal .m-role {
-  flex: 0 0 9.375rem;
-}
-.invite-modal .m-grow {
-  flex: 1;
-}
 .invite-modal .select-wrap {
   position: relative;
 }
@@ -800,6 +1095,8 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
   border-top: 1px solid var(--border);
   background: #fafbfc;
   margin-top: 1rem;
+  /* overflow:hidden 제거에 따른 하단 라운드 보정 */
+  border-radius: 0 0 0.875rem 0.875rem;
 }
 .invite-modal .modal-foot .fnote {
   font-size: 0.75rem;
@@ -807,6 +1104,8 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
   margin-right: auto;
 }
 .invite-modal .mbtn {
+  /* 전역 .mbtn(flex:1, 확인 다이얼로그용) 상속 차단 — 버튼은 내용 너비로 우측 정렬 */
+  flex: 0 0 auto;
   height: 2.375rem;
   padding: 0 1rem;
   border-radius: var(--radius);
@@ -834,6 +1133,10 @@ onUnmounted(() => window.removeEventListener('keydown', onKeydown))
 .invite-modal .mbtn.primary:hover {
   background: var(--accent-hover);
 }
+.invite-modal .mbtn:disabled {
+  opacity: 0.55;
+  cursor: not-allowed;
+}
 .invite-modal .mbtn svg {
   width: 0.9375rem;
   height: 0.9375rem;