feat: update lake index, sync scraping scripts, and prune unused data files

scripts/buildIndex.ts

@@ -16,9 +16,13 @@ const lakes = lakesConfig.map(lake => {
   let currentFlow = 0;
   let sparkline: number[] = Array(12).fill(0);
 
+  let capacity = 0;
+  let volume = 0;
+  let inflow = 0;
+
   if (fs.existsSync(DATA_FILE)) {
     try {
-      const data: DataRecord[] = JSON.parse(fs.readFileSync(DATA_FILE, 'utf-8'));
+      const data: any[] = JSON.parse(fs.readFileSync(DATA_FILE, 'utf-8'));
       if (data.length > 0) {
         // Find latest valid record or just the last record
         const lastValidLevelData = [...data].reverse().find(d => d.level !== null && !isNaN(d.level));
@@ -35,11 +39,29 @@ const lakes = lakesConfig.map(lake => {
         while (sparkline.length < 12) {
           sparkline.unshift(0);
         }
+
+        const latest = data[data.length - 1];
+        if (latest.volume && latest.volume > 0) {
+          volume = latest.volume;
+        }
+        if (latest.inflow !== undefined) {
+          inflow = latest.inflow;
+        }
       }
     } catch (e) {
       console.error(`Error reading data for ${internalId}`, e);
     }
   }
+  
+  if (lake.minLevel && lake.maxLevel && currentLevel > 0) {
+    const percentage = ((currentLevel - lake.minLevel) / (lake.maxLevel - lake.minLevel)) * 100;
+    capacity = Math.max(0, Math.min(100, Math.round(percentage * 10) / 10)); // Round to 1 decimal place
+    if (volume === 0) {
+      volume = Number(((capacity / 100) * (lake.maxVolume || 0)).toFixed(1));
+    }
+  } else {
+    if (volume === 0) volume = lake.maxVolume || 0;
+  }
 
   return {
     id: lake.id,
@@ -47,10 +69,11 @@ const lakes = lakesConfig.map(lake => {
     river: lake.text.includes('-') ? lake.text.split('-')[1].trim() : '',
     priority: lake.priority || false,
     level: currentLevel.toFixed(2),
-    capacity: 0, // Removed fake capacity
-    inflow: currentFlow.toFixed(1),
+    capacity: capacity,
+    inflow: inflow.toFixed(1),
     outflow: currentFlow.toFixed(1),
-    volume: lake.maxVolume || 0, // Using real maxVolume if known
+    volume: volume,
+    maxVolume: lake.maxVolume || 0,
     lat: lake.coords[0],
     lng: lake.coords[1],
     sparkline