work on model training

cmd/ingestd/web/index.html

@@ -198,7 +198,7 @@
           </div>
           <div class="chart-card" data-chart="chart-rain-prob">
             <div class="chart-header">
-              <div class="chart-title">Predicted Rain Probability (Observed Inputs)</div>
+              <div class="chart-title">Predicted Rain Probability (Model)</div>
               <button class="chart-link" data-chart="chart-rain-prob" title="Copy chart link">Share</button>
             </div>
             <div class="chart-canvas">