first commit

frontend/src/hooks/useTickerDetail.ts

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+import { useQuery } from '@tanstack/react-query';
+import { getOHLCV } from '../api/ohlcv';
+import { getScores } from '../api/scores';
+import { getLevels } from '../api/sr-levels';
+import { getSentiment } from '../api/sentiment';
+import { getFundamentals } from '../api/fundamentals';
+
+export function useTickerDetail(symbol: string) {
+  const ohlcv = useQuery({
+    queryKey: ['ohlcv', symbol],
+    queryFn: () => getOHLCV(symbol),
+    enabled: !!symbol,
+  });
+
+  const scores = useQuery({
+    queryKey: ['scores', symbol],
+    queryFn: () => getScores(symbol),
+    enabled: !!symbol,
+  });
+
+  const srLevels = useQuery({
+    queryKey: ['sr-levels', symbol],
+    queryFn: () => getLevels(symbol),
+    enabled: !!symbol,
+  });
+
+  const sentiment = useQuery({
+    queryKey: ['sentiment', symbol],
+    queryFn: () => getSentiment(symbol),
+    enabled: !!symbol,
+  });
+
+  const fundamentals = useQuery({
+    queryKey: ['fundamentals', symbol],
+    queryFn: () => getFundamentals(symbol),
+    enabled: !!symbol,
+  });
+
+  return { ohlcv, scores, srLevels, sentiment, fundamentals };
+}