feat: add minimal mode view toggled by minimal=true URL parameter

fiveparaminte-main/static/dashboard.html

@@ -865,6 +865,24 @@
             }
         }
 
+        /* === Minimal mode for clean iframe embeds === */
+        body.minimal-mode .header { display: none !important; }
+        body.minimal-mode .patient-banner { display: none !important; }
+        body.minimal-mode .setup-guide { display: none !important; }
+        body.minimal-mode .info-bar { display: none !important; }
+        body.minimal-mode .app-container {
+            padding: 0 !important;
+            max-width: 100% !important;
+            margin: 0 !important;
+        }
+        body.minimal-mode {
+            padding: 0 !important;
+            background: transparent !important;
+        }
+        body.minimal-mode .bg-grid, body.minimal-mode .bg-glow {
+            display: none !important;
+        }
+
         /* === Scrollbar === */
         ::-webkit-scrollbar { width: 6px; }
         ::-webkit-scrollbar-track { background: transparent; }
@@ -1238,6 +1256,12 @@
 
         // === Initialize ===
         document.addEventListener('DOMContentLoaded', () => {
+            const urlParams = new URLSearchParams(window.location.search);
+            const isMinimal = urlParams.get('minimal') === 'true' || urlParams.get('clean') === 'true';
+            if (isMinimal) {
+                document.body.classList.add('minimal-mode');
+            }
+
             initWaveforms();
             updateClock();
             setInterval(updateClock, 1000);