From 34a4228e78034676a16b5a0b3ebc6e375e2cc9cf Mon Sep 17 00:00:00 2001
From: OpenSquared <opensquaredgeneva@gmail.com>
Date: Sat, 18 Jul 2026 23:46:02 +0200
Subject: [PATCH] feat: strategy builder

---
 backend/routers/strategy_builder.py    | 5 ++---
 frontend/src/pages/StrategyBuilder.tsx | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/backend/routers/strategy_builder.py b/backend/routers/strategy_builder.py
index 4549229..cb6c3c8 100644
--- a/backend/routers/strategy_builder.py
+++ b/backend/routers/strategy_builder.py
@@ -147,8 +147,6 @@ def optimize(req: OptimizeRequest):
             objective=req.constraints.objective,
             top_n=req.constraints.top_n,
         )
-    except ValueError as e:
-        raise HTTPException(status_code=404, detail=str(e))
     except Exception as e:
         import traceback
         from services.database import log_system_event
@@ -158,7 +156,8 @@ def optimize(req: OptimizeRequest):
             message=f"Optimize failed for {req.scenario.symbol}: {e}",
             ticker=req.scenario.symbol, details={"error": str(e), "traceback": tb},
         )
-        raise HTTPException(status_code=500, detail=f"Erreur optimiseur: {e} (détail complet dans System Logs)")
+        status = 404 if isinstance(e, ValueError) else 500
+        raise HTTPException(status_code=status, detail=f"{e}")
     return results
 
 
diff --git a/frontend/src/pages/StrategyBuilder.tsx b/frontend/src/pages/StrategyBuilder.tsx
index 57d3ac0..681a288 100644
--- a/frontend/src/pages/StrategyBuilder.tsx
+++ b/frontend/src/pages/StrategyBuilder.tsx
@@ -733,7 +733,7 @@ export default function StrategyBuilder() {
 
       {optimizeMutation.isError && (
         <div className="px-4 py-3 rounded border border-red-700/40 bg-red-900/10 text-xs text-red-300">
-          Erreur lors de l'optimisation.
+          {(optimizeMutation.error as any)?.response?.data?.detail ?? "Erreur lors de l'optimisation."}
         </div>
       )}
       {optimizeMutation.data && (