Remove dead code: svgLine(), .vcr-clock, .vcr-lcd-time display:none rules

closes #29

public/analytics.js

@@ -6,14 +6,6 @@
   function esc(s) { return s ? String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;') : ''; }
 
   // --- SVG helpers ---
-  function svgLine(points, color, w, h, pad, maxX, maxY) {
-    return points.map((v, i) => {
-      const x = pad + i * ((w - pad * 2) / Math.max(points.length - 1, 1));
-      const y = h - pad - (v / Math.max(maxY, 1)) * (h - pad * 2);
-      return `${x},${y}`;
-    }).join(' ');
-  }
-
   function sparkSvg(data, color, w = 120, h = 32) {
     if (!data.length) return '';
     const max = Math.max(...data, 1);
@@ -117,7 +109,7 @@
       renderTab('overview');
     } catch (e) {
       document.getElementById('analyticsContent').innerHTML =
-        `<div class="text-muted" style="padding:40px">Failed to load: ${e.message}</div>`;
+        `<div class="text-muted" role="alert" aria-live="polite" style="padding:40px">Failed to load: ${e.message}</div>`;
     }
   }
 

public/live.css

@@ -485,9 +485,6 @@
   50% { opacity: 0.3; }
 }
 
-.vcr-clock {
-  display: none; /* replaced by LCD panel */
-}
 .vcr-lcd {
   display: flex;
   flex-direction: column;
@@ -514,9 +511,6 @@
   text-shadow: 0 0 6px rgba(74, 222, 128, 0.6);
   font-weight: 700;
 }
-.vcr-lcd-time {
-  display: none; /* replaced by canvas */
-}
 .vcr-lcd-canvas {
   width: 130px;
   height: 28px;