Refactor code structure for improved readability and maintainability

report_gen/page_7.html

@@ -1,4 +1,4 @@
-<div class="w-full page bg-white" style="height: 297mm;"></div>
+<div class="w-full page bg-white">
   <!-- Header Section -->
   <div class="bg-black text-white px-6 py-4 flex items-center justify-between">
     <div class="flex items-center">
@@ -150,7 +150,7 @@
       
       <!-- Respiratory Graph -->
       <div class="flex justify-center mb-4">
-        <img src="{{ respiratory_graph | default('../graphs/respiratory_chart.png') }}" 
+        <img src="{{ respiratory_graph }}" 
              alt="Respiratory Analysis Chart" 
              class="w-full max-w-4xl h-64 object-contain">
       </div>