diff --git a/scripts/harb-evaluator/helpers/swap.ts b/scripts/harb-evaluator/helpers/swap.ts
index 9c991df..93793fe 100644
--- a/scripts/harb-evaluator/helpers/swap.ts
+++ b/scripts/harb-evaluator/helpers/swap.ts
@@ -154,6 +154,7 @@ export async function buyKrk(page: Page, ethAmount: string, opts?: BuyKrkOptions
         console.log(`[swap] Transfer event received (${logs.length} log(s))`);
         break;
       }
+      // eslint-disable-next-line no-restricted-syntax -- Polling with timeout: eth_getFilterLogs is HTTP-only polling (not push). See AGENTS.md #Engineering Principles.
       await new Promise(r => setTimeout(r, 200));
     }
     // Clean up filter
diff --git a/scripts/harb-evaluator/scenarios/passive-confidence/no-dilution.spec.ts b/scripts/harb-evaluator/scenarios/passive-confidence/no-dilution.spec.ts
index 6178310..8e18b63 100644
--- a/scripts/harb-evaluator/scenarios/passive-confidence/no-dilution.spec.ts
+++ b/scripts/harb-evaluator/scenarios/passive-confidence/no-dilution.spec.ts
@@ -57,7 +57,7 @@ test('passive holders are not diluted', async ({ browser }) => {
     await connectWallet(pageA);
 
     console.log('[TEST] Wallet A buying 1 ETH of KRK...');
-    await buyKrk(pageA, '1', 'walletA');
+    await buyKrk(pageA, '1', undefined, 'walletA');
 
     const krkBalanceA = await getKrkBalance(config.rpcUrl, config.contracts.Kraiken, ADDRESS_A);
     console.log(`[TEST] Wallet A KRK balance after buy: ${krkBalanceA}`);
@@ -96,7 +96,7 @@ test('passive holders are not diluted', async ({ browser }) => {
     await connectWallet(pageB);
 
     console.log('[TEST] Wallet B buying 5 ETH of KRK...');
-    await buyKrk(pageB, '5', 'walletB');
+    await buyKrk(pageB, '5', undefined, 'walletB');
 
     const krkBalanceB = await getKrkBalance(config.rpcUrl, config.contracts.Kraiken, ADDRESS_B);
     console.log(`[TEST] Wallet B KRK balance after buy: ${krkBalanceB}`);