diff --git a/public/architecture.html b/public/architecture.html
index 8fe7a01c..8a58360f 100644
--- a/public/architecture.html
+++ b/public/architecture.html
@@ -549,7 +549,7 @@
   <script src="/js/components/interactive-diagram.js?v=20251019170000"></script>
 
   <!-- Data Visualizations (Phase 3) -->
-  <script src="/js/components/pressure-chart.js?v=20251019173500"></script>
+  <script src="/js/components/pressure-chart.js?v=20251019174000"></script>
   <script src="/js/components/activity-timeline.js?v=20251019173500"></script>
 
   <!-- Footer Component -->
diff --git a/public/js/components/pressure-chart.js b/public/js/components/pressure-chart.js
index a36ff144..cdf8cde1 100644
--- a/public/js/components/pressure-chart.js
+++ b/public/js/components/pressure-chart.js
@@ -35,6 +35,7 @@ class PressureChart {
   }
 
   render() {
+    console.log('[PressureChart] render() called, container:', this.container);
     this.container.innerHTML = `
       <div class="pressure-chart-container">
         <div class="flex items-center justify-between mb-4">
@@ -102,6 +103,10 @@ class PressureChart {
       resetBtn: document.getElementById('pressure-reset-btn')
     };
 
+    // Verify innerHTML was set
+    console.log('[PressureChart] innerHTML length:', this.container.innerHTML.length);
+    console.log('[PressureChart] First 100 chars:', this.container.innerHTML.substring(0, 100));
+
     // Verify elements were found
     console.log('[PressureChart] Elements found:', {
       gaugeFill: !!this.elements.gaugeFill,