Add error guards to catch blocks

src/components/dice/DiceInteraction.tsx

@@ -108,7 +108,9 @@ function DiceInteraction({
         }
       });
     } catch (error) {
-      setError(error);
+      if (error instanceof Error) {
+        setError(error);
+      }
     }
   }, [onSceneMount]);
 

src/helpers/grid.ts

@@ -562,7 +562,9 @@ export async function getGridSizeFromImage(image: HTMLImageElement) {
   try {
     prediction = await gridSizeML(image, candidates);
   } catch (error) {
-    logError(error);
+    if (error instanceof  Error) {
+      logError(error);
+    }
   }
 
   if (!prediction) {

src/hooks/useImageDrop.ts

@@ -67,10 +67,12 @@ function useImageDrop(
           }
         }
       } catch (e) {
-        if (e.message === "Failed to fetch") {
-          addToast("Unable to import image: failed to fetch");
-        } else {
-          addToast("Unable to import image");
+        if (e instanceof Error) {
+          if (e.message === "Failed to fetch") {
+            addToast("Unable to import image: failed to fetch");
+          } else {
+            addToast("Unable to import image");
+          }
         }
       }
     }