feat: 계정정보 포인트 클릭 시 적립내역 모달

- 포인트 행 클릭 → 적립/차감 내역 모달(사유·일시·증감)
- authApi.pointHistory(), 사유 라벨(BOARD_WRITE=게시판 작성)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/views/settings/AccountInfoView.vue

@@ -22,6 +22,33 @@ onMounted(async () => {
   }
 })
 
+// 포인트 적립내역 모달
+const POINT_REASONS = { BOARD_WRITE: '게시판 작성' }
+function reasonLabel(r) {
+  return POINT_REASONS[r] || r
+}
+const historyOpen = ref(false)
+const history = ref([])
+const historyLoading = ref(false)
+async function openHistory() {
+  historyOpen.value = true
+  historyLoading.value = true
+  try {
+    history.value = await authApi.pointHistory()
+  } catch {
+    history.value = []
+  } finally {
+    historyLoading.value = false
+  }
+}
+function fmtDateTime(s) {
+  if (!s) return ''
+  const d = new Date(s)
+  if (Number.isNaN(d.getTime())) return s
+  const p = (n) => String(n).padStart(2, '0')
+  return `${d.getFullYear()}.${p(d.getMonth() + 1)}.${p(d.getDate())} ${p(d.getHours())}:${p(d.getMinutes())}`
+}
+
 const u = computed(() => auth.user || {})
 const roleLabel = computed(() => (u.value.role === 'ADMIN' ? '관리자' : '일반회원'))
 const isPremium = computed(() => auth.isPremium)
@@ -128,12 +155,38 @@ function goEdit() {
           <RouterLink v-if="!isPremium" to="/upgrade" class="up-link">업그레이드 →</RouterLink>
         </span>
       </div>
-      <div class="row">
+      <button type="button" class="row row-point" @click="openHistory">
         <span class="k">포인트</span>
-        <span class="v"><span class="points">{{ points.toLocaleString('ko-KR') }} P</span></span>
-      </div>
+        <span class="v">
+          <span class="points">{{ points.toLocaleString('ko-KR') }} P</span>
+          <span class="point-more">내역 ›</span>
+        </span>
+      </button>
     </section>
 
+    <!-- 포인트 적립내역 모달 -->
+    <Teleport to="body">
+      <div v-if="historyOpen" class="ph-backdrop" @click.self="historyOpen = false">
+        <div class="ph-modal" role="dialog" aria-modal="true" aria-label="포인트 적립내역">
+          <div class="ph-head">
+            <strong>포인트 적립내역</strong>
+            <button type="button" class="ph-close" aria-label="닫기" @click="historyOpen = false">×</button>
+          </div>
+          <p v-if="historyLoading" class="ph-msg">불러오는 중…</p>
+          <p v-else-if="!history.length" class="ph-msg">적립 내역이 없습니다.</p>
+          <ul v-else class="ph-list">
+            <li v-for="(h, i) in history" :key="i">
+              <div class="ph-main">
+                <span class="ph-reason">{{ reasonLabel(h.reason) }}</span>
+                <span class="ph-date">{{ fmtDateTime(h.createdAt) }}</span>
+              </div>
+              <span class="ph-amount" :class="{ minus: h.amount < 0 }">{{ h.amount > 0 ? '+' : '' }}{{ h.amount }} P</span>
+            </li>
+          </ul>
+        </div>
+      </div>
+    </Teleport>
+
     <button type="button" class="primary-btn" @click="goEdit">이름 변경</button>
   </div>
 </template>
@@ -201,6 +254,107 @@ function goEdit() {
   color: hsla(160, 100%, 37%, 1);
   font-weight: 700;
 }
+.row-point {
+  width: 100%;
+  border: 0;
+  border-bottom: 1px solid var(--color-border);
+  background: transparent;
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+}
+.row-point:last-child {
+  border-bottom: 0;
+}
+.row-point:hover {
+  background: var(--color-background-mute);
+}
+.point-more {
+  margin-left: 0.5rem;
+  font-size: 0.82rem;
+  font-weight: 600;
+  color: var(--color-text);
+  opacity: 0.55;
+}
+/* 포인트 내역 모달 */
+.ph-backdrop {
+  position: fixed;
+  inset: 0;
+  z-index: 2000;
+  background: rgba(0, 0, 0, 0.5);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 1rem;
+}
+.ph-modal {
+  width: 100%;
+  max-width: 380px;
+  max-height: 75vh;
+  display: flex;
+  flex-direction: column;
+  background: var(--color-background);
+  border: 1px solid var(--color-border);
+  border-radius: 10px;
+  overflow: hidden;
+}
+.ph-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 0.85rem 1rem;
+  border-bottom: 1px solid var(--color-border);
+}
+.ph-close {
+  border: 0;
+  background: transparent;
+  color: var(--color-text);
+  font-size: 1.5rem;
+  line-height: 1;
+  cursor: pointer;
+}
+.ph-msg {
+  padding: 2rem 1rem;
+  text-align: center;
+  opacity: 0.7;
+}
+.ph-list {
+  list-style: none;
+  margin: 0;
+  padding: 0.25rem 0;
+  overflow-y: auto;
+}
+.ph-list li {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.75rem;
+  padding: 0.65rem 1rem;
+  border-bottom: 1px solid var(--color-border);
+}
+.ph-list li:last-child {
+  border-bottom: 0;
+}
+.ph-main {
+  display: flex;
+  flex-direction: column;
+  gap: 0.15rem;
+}
+.ph-reason {
+  font-size: 0.92rem;
+}
+.ph-date {
+  font-size: 0.78rem;
+  opacity: 0.6;
+}
+.ph-amount {
+  font-weight: 700;
+  color: hsla(160, 100%, 37%, 1);
+  white-space: nowrap;
+}
+.ph-amount.minus {
+  color: #c0392b;
+}
 .up-link {
   margin-left: 0.5rem;
   font-size: 0.82rem;