fix: 화면별 액션 아이콘 위치 정리(타이틀 제거 후 빈 헤더 해소)

- 가계부: 내역 추가 → month-nav(검색·필터 옆), 헤더는 pending 있을 때만
- 예산: 예산 추가 → month-nav(월 변경 옆)
- 고정지출: 지금 반영/추가 → 안내문구 아래
- 커뮤니티: 글쓰기 → 태그 필터와 같은 줄(list-top)
- 분류 관리: 기본 분류 불러오기 → 지출/수입 탭과 같은 줄(tabs-row)
- 미사용 boardTitle/boardLabel 정리

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

src/views/board/BoardListView.vue

@@ -4,7 +4,7 @@ import { useRoute, useRouter } from 'vue-router'
 import { boardApi } from '@/api/boardApi'
 import { formatRelative } from '@/utils/datetime'
 import { useAuthStore } from '@/stores/auth'
-import { boardLabel, DEFAULT_BOARD } from '@/constants/boards'
+import { DEFAULT_BOARD } from '@/constants/boards'
 import IconBtn from '@/components/ui/IconBtn.vue'
 
 const route = useRoute()
@@ -14,7 +14,6 @@ const isAdmin = computed(() => auth.user?.role === 'ADMIN')
 
 // 현재 게시판(카테고리)
 const category = computed(() => route.params.category || DEFAULT_BOARD)
-const boardTitle = computed(() => boardLabel(category.value))
 
 const posts = ref([])
 const tags = ref([])
@@ -128,19 +127,18 @@ onMounted(loadTags)
 
 <template>
   <section class="board">
-    <header class="board-head" style="justify-content: flex-end">
+    <div class="list-top">
+      <div class="tag-filter">
+        <button
+          v-for="t in tags"
+          :key="t"
+          type="button"
+          class="tag-chip"
+          :class="{ active: activeTag === t }"
+          @click="filterByTag(t)"
+        >{{ t }}</button>
+      </div>
       <IconBtn icon="edit" title="글쓰기" variant="primary" @click="router.push(`/board/${category}/write`)" />
-    </header>
-
-    <div v-if="tags.length" class="tag-filter">
-      <button
-        v-for="t in tags"
-        :key="t"
-        type="button"
-        class="tag-chip"
-        :class="{ active: activeTag === t }"
-        @click="filterByTag(t)"
-      >{{ t }}</button>
     </div>
 
     <!-- 검색 적용 표시 -->
@@ -247,6 +245,20 @@ button:disabled {
   opacity: 0.5;
   cursor: not-allowed;
 }
+.list-top {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 0.75rem;
+  margin-bottom: 1rem;
+}
+.list-top .tag-filter {
+  flex: 1;
+  margin-bottom: 0;
+}
+.list-top > .icon-btn {
+  flex: none;
+}
 .tag-filter {
   display: flex;
   flex-wrap: wrap;