feat: market event

frontend/src/pages/MarketEvents.tsx

@@ -436,6 +436,10 @@ function EventDetail({
           preds:      latest.prediction_json || {},
           actuals:    latest.actual_json || {},
           drift:      driftByInst,
+          pricesMode: undefined,
+          lagMin:     undefined,
+          lagDays:    undefined,
+          lagDebug:   undefined,
         })
         if (latest.graph_json?.nodes?.length) {
           setGraphData(latest.graph_json as GraphData)
@@ -550,7 +554,7 @@ function EventDetail({
       })
       const d = await r.json()
       if (!r.ok) throw new Error(d.detail || r.statusText)
-      setAnResult({
+      const freshResult = {
         score:      d.activation?.score ?? null,
         preds:      d.node_values ?? {},
         actuals:    d.actual_moves ?? {},
@@ -559,9 +563,11 @@ function EventDetail({
         lagMin:     d.effective_lag_min,
         lagDays:    d.effective_lag_days,
         lagDebug:   d.lag_debug,
-      })
+      }
+      setAnResult(freshResult)
       if (d.graph_json?.nodes?.length) setGraphData(d.graph_json)
       await loadAnalyses()
+      setAnResult(freshResult)  // loadAnalyses() écrase anResult — on restaure le résultat frais
     } catch (e: any) { setAnResult({ score: null, preds: {}, actuals: {} }) }
     finally { setLoadingAn(false) }
   }