diff --git a/.claude/metrics/hooks-metrics.json b/.claude/metrics/hooks-metrics.json
index 13d0406d..643ce75a 100644
--- a/.claude/metrics/hooks-metrics.json
+++ b/.claude/metrics/hooks-metrics.json
@@ -4766,6 +4766,27 @@
       "file": "/home/theflow/projects/tractatus/public/architecture.html",
       "result": "passed",
       "reason": null
+    },
+    {
+      "hook": "validate-file-edit",
+      "timestamp": "2025-10-19T18:16:53.178Z",
+      "file": "/home/theflow/projects/tractatus/public/js/components/pressure-chart.js",
+      "result": "passed",
+      "reason": null
+    },
+    {
+      "hook": "validate-file-edit",
+      "timestamp": "2025-10-19T18:17:02.354Z",
+      "file": "/home/theflow/projects/tractatus/public/js/components/pressure-chart.js",
+      "result": "passed",
+      "reason": null
+    },
+    {
+      "hook": "validate-file-edit",
+      "timestamp": "2025-10-19T18:17:09.456Z",
+      "file": "/home/theflow/projects/tractatus/public/architecture.html",
+      "result": "passed",
+      "reason": null
     }
   ],
   "blocks": [
@@ -5029,9 +5050,9 @@
     }
   ],
   "session_stats": {
-    "total_edit_hooks": 491,
+    "total_edit_hooks": 494,
     "total_edit_blocks": 36,
-    "last_updated": "2025-10-19T09:32:03.912Z",
+    "last_updated": "2025-10-19T18:17:09.456Z",
     "total_write_hooks": 190,
     "total_write_blocks": 7
   }
diff --git a/public/architecture.html b/public/architecture.html
index 0ac42788..8fe7a01c 100644
--- a/public/architecture.html
+++ b/public/architecture.html
@@ -549,8 +549,8 @@
   <script src="/js/components/interactive-diagram.js?v=20251019170000"></script>
 
   <!-- Data Visualizations (Phase 3) -->
-  <script src="/js/components/pressure-chart.js?v=20251019173000"></script>
-  <script src="/js/components/activity-timeline.js?v=20251019173000"></script>
+  <script src="/js/components/pressure-chart.js?v=20251019173500"></script>
+  <script src="/js/components/activity-timeline.js?v=20251019173500"></script>
 
   <!-- Footer Component -->
   <script src="/js/components/footer.js"></script>
diff --git a/public/js/components/pressure-chart.js b/public/js/components/pressure-chart.js
index 1303a7fe..a36ff144 100644
--- a/public/js/components/pressure-chart.js
+++ b/public/js/components/pressure-chart.js
@@ -101,11 +101,26 @@ class PressureChart {
       simulateBtn: document.getElementById('pressure-simulate-btn'),
       resetBtn: document.getElementById('pressure-reset-btn')
     };
+
+    // Verify elements were found
+    console.log('[PressureChart] Elements found:', {
+      gaugeFill: !!this.elements.gaugeFill,
+      gaugeValue: !!this.elements.gaugeValue,
+      status: !!this.elements.status,
+      simulateBtn: !!this.elements.simulateBtn,
+      resetBtn: !!this.elements.resetBtn
+    });
   }
 
   attachEventListeners() {
+    if (!this.elements.simulateBtn || !this.elements.resetBtn) {
+      console.error('[PressureChart] Cannot attach event listeners - buttons not found');
+      return;
+    }
+    console.log('[PressureChart] Attaching event listeners to buttons');
     this.elements.simulateBtn.addEventListener('click', () => this.simulate());
     this.elements.resetBtn.addEventListener('click', () => this.reset());
+    console.log('[PressureChart] Event listeners attached successfully');
   }
 
   setLevel(level) {
@@ -190,12 +205,14 @@ class PressureChart {
   }
 
   simulate() {
+    console.log('[PressureChart] Simulate button clicked - starting pressure simulation');
     // Simulate pressure increasing from current to 85%
     const targetLevels = [30, 50, 70, 85];
     let index = 0;
 
     const step = () => {
       if (index >= targetLevels.length) return;
+      console.log('[PressureChart] Setting pressure level to', targetLevels[index]);
       this.setLevel(targetLevels[index]);
       index++;
       setTimeout(step, 1500);
@@ -205,6 +222,7 @@ class PressureChart {
   }
 
   reset() {
+    console.log('[PressureChart] Reset button clicked');
     this.setLevel(0);
   }
 }