Update error handling in verifier and improve error message display in VerificationModal

- Updated the error handling in loadVerifier to log detailed errors and provide clearer feedback on WASM script loading issues.
- Modified the error message display in VerificationModal to better format and separate error details for improved user experience.

frontend/src/lib/components/VerificationModal.svelte

@@ -400,7 +400,16 @@
 							</div>
 							<div class="text-center px-4">
 								<p class="font-bold text-lg leading-tight">Verification Failed</p>
-								<p class="text-xs text-muted-foreground mt-1">{errorMessage}</p>
+								{#if errorMessage.includes('(')}
+									<p class="text-sm font-bold mt-1">
+										{errorMessage.split(' (')[0]}
+									</p>
+									<p class="text-[10px] text-muted-foreground mt-0.5 italic">
+										({errorMessage.split(' (')[1]}
+									</p>
+								{:else}
+									<p class="text-xs text-muted-foreground mt-1">{errorMessage}</p>
+								{/if}
 							</div>
 						</div>
 

frontend/src/lib/verifier.ts

@@ -12,7 +12,10 @@ export async function loadVerifier() {
 			script.integrity = 'sha384-PWCs+V4BDf9yY1yjkD/p+9xNEs4iEbuvq+HezAOJiY3XL5GI6VyJXMsvnjiwNbce';
 			script.crossOrigin = 'anonymous';
 			script.onload = () => resolve();
-			script.onerror = () => reject(new Error('Failed to load WASM executor script'));
+			script.onerror = (e) => {
+				console.error('WASM executor script load error:', e);
+				reject(new Error('Failed to load WASM executor script (SRI mismatch or network error)'));
+			};
 			document.head.appendChild(script);
 		});
 	}