fix: consolidate 3 fetchBars calls into 1 per stock and add 500ms delay between sequential loads to avoid rate limiting

app/routes/analyze.tsx

@@ -210,20 +210,29 @@ export default function Analyze() {
     loadPortfolio();
   }, []);
 
-  // Auto-load indicators for stocks that don't have them yet
+  // Auto-load indicators for stocks that don't have them yet (sequential with delay to avoid rate limits)
   useEffect(() => {
     const unloaded = stocks.filter((s) => !s.indicatorsLoading && s.indicators.rsi == null);
     if (unloaded.length === 0) return;
 
-    unloaded.forEach(async (stock) => {
-      setStocks((s) => s.map((st) => st.id === stock.id ? { ...st, indicatorsLoading: true } : st));
-      const indicators = await loadIndicators(stock.ticker);
-      if (indicators) {
-        setStocks((s) => s.map((st) => st.id === stock.id ? { ...st, indicators, indicatorsLoading: false } : st));
-      } else {
-        setStocks((s) => s.map((st) => st.id === stock.id ? { ...st, indicatorsLoading: false } : st));
+    let cancelled = false;
+    const loadSequential = async () => {
+      for (const stock of unloaded) {
+        if (cancelled) break;
+        setStocks((s) => s.map((st) => st.id === stock.id ? { ...st, indicatorsLoading: true } : st));
+        const indicators = await loadIndicators(stock.ticker);
+        if (cancelled) break;
+        if (indicators) {
+          setStocks((s) => s.map((st) => st.id === stock.id ? { ...st, indicators, indicatorsLoading: false } : st));
+        } else {
+          setStocks((s) => s.map((st) => st.id === stock.id ? { ...st, indicatorsLoading: false } : st));
+        }
+        // 500ms delay between each stock to avoid rate limiting
+        await new Promise((r) => setTimeout(r, 500));
       }
-    });
+    };
+    loadSequential();
+    return () => { cancelled = true; };
   }, [stocks]);
 
   useEffect(() => {
@@ -411,6 +420,7 @@ export default function Analyze() {
       } else {
         setStocks((s) => s.map((st) => st.id === stock.id ? { ...st, indicatorsLoading: false } : st));
       }
+      await new Promise((r) => setTimeout(r, 500));
     }
   };