feat: 페이지 타이틀 제거(헤더만 표기) + 게시글 상세 목록아이콘/공지 체크박스화

- 각 화면 내 <h1> 페이지 타이틀 제거 → 헤더 타이틀로 일원화
  (가계부 pending 카운트는 유지, 액션 헤더는 우측 정렬)
- 게시글 상세: 공지 등록/해제 버튼 제거 + '목록' 아이콘 추가(list 아이콘 신규)
- 글 작성/수정 공지 체크박스로 일원화(편집 시 기존값 로드)
- ProfileEdit/AccountInfo 화면 내 뒤로가기 제거, 미사용 router 정리

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

src/views/account/AccountDashboardView.vue

@@ -324,9 +324,6 @@ onMounted(async () => {
 
 <template>
   <section class="dash">
-    <header class="head">
-      <h1>통계</h1>
-    </header>
 
     <div class="month-nav">
       <IconBtn icon="chevronLeft" title="이전 달" size="sm" @click="prevMonth" />

src/views/account/AccountTagView.vue

@@ -1,12 +1,10 @@
 <script setup>
 import { onBeforeUnmount, onMounted, ref, nextTick } from 'vue'
-import { useRouter } from 'vue-router'
 import Sortable from 'sortablejs'
 import { accountApi } from '@/api/accountApi'
 import { useDialog } from '@/composables/dialog'
 import IconBtn from '@/components/ui/IconBtn.vue'
 
-const router = useRouter()
 const dialog = useDialog()
 
 const tags = ref([])
@@ -100,9 +98,6 @@ onBeforeUnmount(() => sortable?.destroy())
 
 <template>
   <section class="tag-admin">
-    <header class="head">
-      <h1>가계부 태그 관리</h1>
-    </header>
     <p class="hint">내가 등록한 태그는 나의 가계부 내역에서만 사용됩니다.</p>
 
     <form class="new-tag" @submit.prevent="addTag">

src/views/account/AccountView.vue

@@ -824,7 +824,7 @@ onMounted(async () => {
 <template>
   <section class="account">
     <header class="account-head">
-      <h1>가계부<span v-if="pendingCount" class="pending-count">확인 필요 {{ pendingCount }}건</span></h1>
+      <span class="pending-wrap"><span v-if="pendingCount" class="pending-count">확인 필요 {{ pendingCount }}건</span></span>
       <IconBtn icon="plus" title="내역 추가" variant="primary" @click="openCreate" />
     </header>
     <Transition name="fade"><p v-if="flashMsg" class="flash">{{ flashMsg }}</p></Transition>

src/views/account/AccountWalletView.vue

@@ -1,12 +1,10 @@
 <script setup>
 import { onBeforeUnmount, onMounted, reactive, ref, watch, nextTick } from 'vue'
-import { useRouter } from 'vue-router'
 import Sortable from 'sortablejs'
 import { accountApi } from '@/api/accountApi'
 import { useDialog } from '@/composables/dialog'
 import IconBtn from '@/components/ui/IconBtn.vue'
 
-const router = useRouter()
 const dialog = useDialog()
 
 const TABS = [
@@ -310,9 +308,6 @@ onBeforeUnmount(() => sortable?.destroy())
 
 <template>
   <section class="wallet">
-    <header class="head">
-      <h1>계좌 관리</h1>
-    </header>
 
     <!-- 순자산 요약 -->
     <div class="networth">

src/views/account/BudgetView.vue

@@ -1,11 +1,9 @@
 <script setup>
 import { computed, onMounted, reactive, ref } from 'vue'
-import { useRouter } from 'vue-router'
 import { accountApi } from '@/api/accountApi'
 import { useDialog } from '@/composables/dialog'
 import IconBtn from '@/components/ui/IconBtn.vue'
 
-const router = useRouter()
 const dialog = useDialog()
 
 const now = new Date()
@@ -244,8 +242,7 @@ onMounted(() => {
 
 <template>
   <section class="budget">
-    <header class="head">
-      <h1>예산 설정</h1>
+    <header class="head" style="justify-content: flex-end">
       <div class="head-actions">
         <IconBtn icon="plus" title="예산 추가" variant="primary" @click="openCreate" />
       </div>

src/views/account/CategoryView.vue

@@ -1,11 +1,9 @@
 <script setup>
 import { computed, onBeforeUnmount, onMounted, reactive, ref, watch, nextTick } from 'vue'
-import { useRouter } from 'vue-router'
 import Sortable from 'sortablejs'
 import { accountApi } from '@/api/accountApi'
 import IconBtn from '@/components/ui/IconBtn.vue'
 
-const router = useRouter()
 
 const categories = ref([])
 const rows = ref([]) // 현재 탭(activeType)의 분류 — 드래그 정렬 대상
@@ -184,8 +182,7 @@ onBeforeUnmount(destroySortables)
 
 <template>
   <section class="cat">
-    <header class="head">
-      <h1>분류 관리</h1>
+    <header class="head" style="justify-content: flex-end">
       <div class="head-actions">
         <button type="button" class="text-btn" @click="importDefaults">기본 분류 불러오기</button>
       </div>

src/views/account/RecurringView.vue

@@ -1,11 +1,9 @@
 <script setup>
 import { computed, onMounted, reactive, ref } from 'vue'
-import { useRouter } from 'vue-router'
 import { accountApi } from '@/api/accountApi'
 import { useDialog } from '@/composables/dialog'
 import IconBtn from '@/components/ui/IconBtn.vue'
 
-const router = useRouter()
 const dialog = useDialog()
 
 const recurrings = ref([])
@@ -240,8 +238,7 @@ onMounted(load)
 
 <template>
   <section class="recur">
-    <header class="head">
-      <h1>고정 지출</h1>
+    <header class="head" style="justify-content: flex-end">
       <div class="head-actions">
         <IconBtn icon="refresh" title="지금 반영" @click="runNow" />
         <IconBtn icon="plus" title="고정 지출 추가" variant="primary" @click="openCreate" />