feat: strategy builder

backend/routers/strategy_builder.py

@@ -149,6 +149,16 @@ def optimize(req: OptimizeRequest):
         )
     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
+        tb = traceback.format_exc()
+        log_system_event(
+            level="ERROR", source="strategy_optimizer",
+            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)")
     return results