Add GTL price-traffic chart diagnostic

frontend/src/hooks/useFetchSymbolData.ts

@@ -39,6 +39,7 @@ export function useFetchSymbolData(options: UseFetchSymbolDataOptions = {}) {
       queryClient.invalidateQueries({ queryKey: ['sentiment', symbol] });
       queryClient.invalidateQueries({ queryKey: ['fundamentals', symbol] });
       queryClient.invalidateQueries({ queryKey: ['sr-levels', symbol] });
+      queryClient.invalidateQueries({ queryKey: ['gate-target-ladder', symbol] });
       queryClient.invalidateQueries({ queryKey: ['scores', symbol] });
       // Fetch re-runs the scanner → setups/confidence change. Refresh both the
       // per-ticker trades (['trades', symbol]) and the Overview list (['trades']).

frontend/src/hooks/useTickerDetail.ts

@@ -1,12 +1,12 @@
 import { useQuery } from '@tanstack/react-query';
 import { getOHLCV } from '../api/ohlcv';
 import { getScores } from '../api/scores';
-import { getLevels } from '../api/sr-levels';
+import { getGateTargetLadder, getLevels } from '../api/sr-levels';
 import { getSentiment } from '../api/sentiment';
 import { getFundamentals } from '../api/fundamentals';
 import * as tradesApi from '../api/trades';
 
-export function useTickerDetail(symbol: string) {
+export function useTickerDetail(symbol: string, includeGateTargetLadder = false) {
   const ohlcv = useQuery({
     queryKey: ['ohlcv', symbol],
     queryFn: () => getOHLCV(symbol),
@@ -25,6 +25,12 @@ export function useTickerDetail(symbol: string) {
     enabled: !!symbol,
   });
 
+  const gateTargetLadder = useQuery({
+    queryKey: ['gate-target-ladder', symbol],
+    queryFn: () => getGateTargetLadder(symbol),
+    enabled: !!symbol && includeGateTargetLadder,
+  });
+
   const sentiment = useQuery({
     queryKey: ['sentiment', symbol],
     queryFn: () => getSentiment(symbol),
@@ -43,5 +49,13 @@ export function useTickerDetail(symbol: string) {
     enabled: !!symbol,
   });
 
-  return { ohlcv, scores, srLevels, sentiment, fundamentals, trades };
+  return {
+    ohlcv,
+    scores,
+    srLevels,
+    gateTargetLadder,
+    sentiment,
+    fundamentals,
+    trades,
+  };
 }