Handle live strategy stop states gracefully

src/components/landing/PortfolioSection.tsx

@@ -901,8 +901,27 @@ export default function PortfolioSection() {
   const handleStop = async () => {
     setIsStopping(true);
     try {
-      await stopStrategy();
+      const result = await stopStrategy();
+      if (result?.status === "stopped") {
         setFreshStartRequested(false);
+        if (result?.warning) {
+          toast({
+            title: "Strategy stopped",
+            description: `Stopped with warning: ${result.warning}`,
+          });
+        }
+      } else if (result?.status === "already_stopped") {
+        setFreshStartRequested(false);
+        toast({
+          title: "Strategy already stopped",
+          description: "The live strategy was already inactive.",
+        });
+      } else {
+        toast({
+          title: "Stop failed",
+          description: result?.message || result?.status || "Unable to stop strategy.",
+        });
+      }
     } catch (error: any) {
       toast({
         title: "Stop failed",