Category explanation

solar_relay/web/index.html

@@ -30,8 +30,13 @@
     </section>
     <section class="panel">
       <div class="panel-heading"><div><p class="eyebrow">DAILY COVERAGE</p><h2>Five-minute completeness</h2></div><label class="range">History <select id="history"><option value="7">7 days</option><option value="14" selected>14 days</option><option value="30">30 days</option><option value="90">90 days</option></select></label></div>
-      <p class="panel-note">Complete means a valid energy, meter and boiler extraction in that five-minute interval. It does not mean continuous measurement. Recovered cloud history supplies energy only.</p>
-      <div class="table-scroll"><table><thead><tr><th>Day</th><th>Complete intervals</th><th class="source-column">Energy</th><th class="source-column">Meter</th><th class="source-column">Boiler</th><th>Status</th></tr></thead><tbody id="days"><tr><td colspan="6" class="empty">Waiting for the local archive…</td></tr></tbody></table></div>
+      <p class="panel-note">Each count shows five-minute intervals with valid data out of the elapsed intervals for that day. Complete intervals have all three sources. Polling does not guarantee continuous observation. Solar.web recovery fills Energy only.</p>
+      <dl class="coverage-definitions">
+        <div><dt>Energy</dt><dd id="energy-description">Solar production, household consumption and electricity imported from or exported to the grid. Available from live readings or recovered Solar.web history.</dd></div>
+        <div><dt>Meter</dt><dd id="meter-description">Running totals of electricity bought from and sold to the grid. Requires live meter readings; Solar.web history cannot fill these counters.</dd></div>
+        <div><dt>Boiler</dt><dd id="boiler-description">Boiler control output: enabled or disabled. Both states count as valid data. Heating energy is not measured, and Solar.web cannot recover past switch states.</dd></div>
+      </dl>
+      <div class="table-scroll"><table><thead><tr><th scope="col">Day</th><th scope="col">Complete intervals</th><th scope="col" class="source-column" aria-describedby="energy-description">Energy</th><th scope="col" class="source-column" aria-describedby="meter-description">Meter</th><th scope="col" class="source-column" aria-describedby="boiler-description">Boiler</th><th scope="col">Status</th></tr></thead><tbody id="days"><tr><td colspan="6" class="empty">Waiting for the local archive…</td></tr></tbody></table></div>
     </section>
     <section class="panel detail" aria-label="Selected day interval details">
       <div class="panel-heading"><div><p class="eyebrow">FIVE-MINUTE INTERVALS</p><h2 id="selected-date">Select a day</h2></div><div class="legend"><span><i class="complete"></i>Complete</span><span><i class="partial"></i>Partial</span><span><i class="missing"></i>Missing</span><span><i class="future"></i>Upcoming</span></div></div>