refactor(energy): drop anomaly coloring on hydrogen daily bars

All bars now use the cyan→blue gradient consistently, matching the
electric daily chart. Anomaly information stays available via the
table row tinting and the trend pills below.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/modules/energy/HydrogenDaily.tsx

@@ -129,13 +129,9 @@ export default function HydrogenDaily() {
                 cursor={{ fill: 'rgba(34, 211, 238, 0.06)' }}
               />
               <Bar dataKey="totalKg" radius={[4, 4, 0, 0]}>
-                {trendData.map((r, i) => {
-                  const isAbnormal = Math.abs(r.chainPct) >= 0.3;
-                  const fill = isAbnormal
-                    ? r.chainPct > 0 ? '#10b981' : '#ef4444'
-                    : 'url(#hydrogenBarGrad)';
-                  return <Cell key={i} fill={fill} />;
-                })}
+                {trendData.map((_, i) => (
+                  <Cell key={i} fill="url(#hydrogenBarGrad)" />
+                ))}
               </Bar>
               <defs>
                 <linearGradient id="hydrogenBarGrad" x1="0" x2="0" y1="0" y2="1">