feat: refactor OverviewView to extract inline charts into components

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/views/OverviewView.vue

@@ -69,16 +69,7 @@
           </select>
         </div>
 
-        <div class="rank-list">
-          <div v-for="item in rankedDepartments" :key="item.name" class="rank-row">
-            <span class="rank-index">{{ item.rank }}</span>
-            <span class="rank-name">{{ item.shortName }}</span>
-            <div class="rank-track">
-              <div class="rank-fill" :style="{ width: item.width, background: item.color }"></div>
-            </div>
-            <strong class="rank-value">{{ item.amountLabel }}</strong>
-          </div>
-        </div>
+        <BarChart :items="rankedDepartments" />
       </article>
 
       <article class="panel dashboard-card bottleneck-panel">
@@ -110,28 +101,12 @@
           <h3>预算执行率（本月） <i class="pi pi-info-circle"></i></h3>
         </div>
 
-        <div class="budget-gauge" :style="{ '--budget-ratio': `${budgetSummary.ratio}` }">
-          <div class="budget-gauge-ring"></div>
-          <div class="budget-gauge-center">
-            <strong>{{ budgetSummary.ratio }}%</strong>
-            <span>已执行</span>
-          </div>
-        </div>
-
-        <div class="budget-summary">
-          <div>
-            <span>预算总额</span>
-            <strong>{{ budgetSummary.total }}</strong>
-          </div>
-          <div>
-            <span>已执行</span>
-            <strong>{{ budgetSummary.used }}</strong>
-          </div>
-          <div>
-            <span>剩余可用</span>
-            <strong>{{ budgetSummary.left }}</strong>
-          </div>
-        </div>
+        <GaugeChart
+          :ratio="budgetSummary.ratio"
+          :total="budgetSummary.total"
+          :used="budgetSummary.used"
+          :left="budgetSummary.left"
+        />
 
         <button type="button" class="text-link">查看详情 <i class="pi pi-angle-right"></i></button>
       </article>
@@ -153,6 +128,8 @@ import {
 } from '../data/metrics.js'
 import TrendChart from '../components/charts/TrendChart.vue'
 import DonutChart from '../components/charts/DonutChart.vue'
+import BarChart from '../components/charts/BarChart.vue'
+import GaugeChart from '../components/charts/GaugeChart.vue'
 
 defineProps({
   filteredRequests: { type: Array, required: true }
@@ -335,6 +312,12 @@ const rankedDepartments = computed(() => {
 
 .dashboard-card {
   padding: 20px;
+  transition: box-shadow 200ms ease, transform 200ms ease;
+}
+
+.dashboard-card:hover {
+  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
+  transform: translateY(-1px);
 }
 
 .trend-panel,
@@ -387,56 +370,22 @@ const rankedDepartments = computed(() => {
   text-align: center;
 }
 
-.rank-list,
+.bottleneck-panel,
+.budget-panel {
+  display: flex;
+  flex-direction: column;
+}
+
+.bottleneck-panel .text-link,
+.budget-panel .text-link {
+  margin-top: auto;
+}
+
 .bottleneck-list {
+  flex: 1;
   display: grid;
   gap: 16px;
-}
-
-.rank-row {
-  display: grid;
-  grid-template-columns: 24px 72px minmax(0, 1fr) auto;
-  align-items: center;
-  gap: 12px;
-}
-
-.rank-index {
-  width: 24px;
-  height: 24px;
-  display: grid;
-  place-items: center;
-  border-radius: 999px;
-  background: #94a3b8;
-  color: #fff;
-  font-size: 12px;
-  font-weight: 500;
-}
-
-.rank-row:first-child .rank-index {
-  background: #f59e0b;
-}
-
-.rank-name {
-  color: #475569;
-  font-size: 14px;
-}
-
-.rank-value {
-  color: #334155;
-  font-size: 14px;
-  font-weight: 500;
-}
-
-.rank-track {
-  height: 24px;
-  overflow: hidden;
-  border-radius: 999px;
-  background: #f1f5f9;
-}
-
-.rank-fill {
-  height: 100%;
-  border-radius: inherit;
+  align-content: center;
 }
 
 .bottleneck-row {
@@ -523,63 +472,6 @@ const rankedDepartments = computed(() => {
   font-size: 14px;
 }
 
-.budget-gauge {
-  position: relative;
-  height: 128px;
-  display: grid;
-  place-items: center;
-}
-
-.budget-gauge-ring {
-  width: 172px;
-  height: 92px;
-  border-radius: 172px 172px 0 0;
-  background: conic-gradient(from 180deg, #10b981 0 calc(var(--budget-ratio) * 1.8deg), #e2e8f0 calc(var(--budget-ratio) * 1.8deg) 180deg);
-  -webkit-mask: radial-gradient(circle at 50% 100%, transparent 0 52px, #000 53px);
-  mask: radial-gradient(circle at 50% 100%, transparent 0 52px, #000 53px);
-}
-
-.budget-gauge-center {
-  position: absolute;
-  inset: auto 0 10px;
-  display: grid;
-  place-items: center;
-}
-
-.budget-gauge-center strong {
-  color: #10b981;
-  font-size: 24px;
-  line-height: 1;
-}
-
-.budget-gauge-center span {
-  margin-top: 4px;
-  color: #64748b;
-  font-size: 12px;
-}
-
-.budget-summary {
-  display: grid;
-  grid-template-columns: repeat(3, minmax(0, 1fr));
-  gap: 8px;
-  margin-top: 16px;
-  text-align: center;
-}
-
-.budget-summary span {
-  display: block;
-  color: #64748b;
-  font-size: 12px;
-}
-
-.budget-summary strong {
-  display: block;
-  margin-top: 6px;
-  color: #1e293b;
-  font-size: 13px;
-  font-weight: 500;
-}
-
 @media (max-width: 1320px) {
   .kpi-grid {
     grid-template-columns: repeat(3, minmax(0, 1fr));