Refactor dashboard layout and update sensor table columns

- Make metric cards and charts more compact and consistent - Change
SensorConsumptionTable columns: show Room and Value, remove
Current/Total/Average - Update headings and layout for AnalyticsView and
HomeView - Improve responsiveness and spacing for cards and sections

src/components/cards/MetricCard.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="bg-white rounded-2xl shadow-sm flex flex-col justify-between h-full w-full p-4">
+  <div class="bg-white rounded-2xl shadow-sm flex flex-col justify-between aspect-square p-4">
     <h6 class="text-sm font-bold text-gray-500">{{ title }}</h6>
     <div class="flex-grow flex items-center justify-start">
       <p class="text-gray-900 font-bold text-2xl">

src/components/cards/RealtimeEnergyChartCard.vue

@@ -1,8 +1,8 @@
 <template>
-  <div class="bg-white rounded-2xl shadow-sm flex flex-col h-full min-h-[300px]">
-    <div class="p-4 h-full">
-      <h6 class="text-sm font-bold text-gray-500 mb-2">{{ title }}</h6>
-      <v-chart class="h-64 w-full" :option="option" autoresize />
+  <div class="bg-white rounded-2xl shadow-sm flex flex-col p-4">
+    <h6 class="text-sm font-bold text-gray-500 mb-2">{{ title }}</h6>
+    <div class="w-full h-[400px]">
+      <v-chart class="w-full h-full" :option="option" autoresize />
     </div>
   </div>
 </template>

src/components/cards/SensorConsumptionTable.vue

@@ -1,7 +1,6 @@
 <template>
   <div class="bg-white rounded-2xl shadow-sm p-4">
-    <h6 class="text-sm font-bold text-gray-500 mb-4">Sensor Consumption</h6>
-
+    <h6 class="text-sm font-bold text-gray-500 mb-4">Sensor Readings</h6>
     <div class="overflow-x-auto">
       <table class="min-w-full">
         <thead>
@@ -10,13 +9,10 @@
               Sensor ID
             </th>
             <th class="text-right text-xs font-medium text-gray-500 uppercase tracking-wider py-3">
-              Current
+              Room
             </th>
             <th class="text-right text-xs font-medium text-gray-500 uppercase tracking-wider py-3">
-              Total
-            </th>
-            <th class="text-right text-xs font-medium text-gray-500 uppercase tracking-wider py-3">
-              Average
+              Value
             </th>
             <th class="text-right text-xs font-medium text-gray-500 uppercase tracking-wider py-3">
               Last Updated
@@ -55,9 +51,6 @@
                 sensor.humidity?.unit
               }}
             </td>
-            <td class="py-3 text-sm text-gray-600 text-right">
-              {{ sensor.room }}
-            </td>
             <td class="py-3 text-sm text-gray-500 text-right">
               {{ formatTime(sensor.timestamp) }}
             </td>
@@ -66,7 +59,6 @@
       </table>
     </div>
 
-    <!-- Connection Status Indicator -->
     <div class="mt-4 flex items-center justify-between text-xs text-gray-500">
       <div class="flex items-center gap-2">
         <div