chore: prepare VIP-597 for proposal

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: fred-venus

simulations/vip-597/bsctestnet.ts

@@ -4,7 +4,7 @@ import { ethers } from "hardhat";
 import { expectEvents } from "src/utils";
 import { forking, testVip } from "src/vip-framework";
 
-import vip610Testnet, { CORE_MARKETS, NEW_VBEP20_DELEGATE_IMPL } from "../../vips/vip-597/bsctestnet";
+import vip597Testnet, { CORE_MARKETS, NEW_VBEP20_DELEGATE_IMPL } from "../../vips/vip-597/bsctestnet";
 import VBEP20_DELEGATOR_ABI from "./abi/VBep20Delegator.json";
 
 const BLOCK_NUMBER = 93362756;
@@ -20,7 +20,7 @@ forking(BLOCK_NUMBER, async () => {
     });
   });
 
-  testVip("VIP-610 testnet", await vip610Testnet(), {
+  testVip("VIP-597 testnet", await vip597Testnet(), {
     callbackAfterExecution: async (txResponse: TransactionResponse) => {
       const totalMarkets = CORE_MARKETS.length;
       await expectEvents(txResponse, [VBEP20_DELEGATOR_ABI], ["NewImplementation"], [totalMarkets]);

vips/vip-597/bscmainnet.ts

@@ -233,6 +233,10 @@ Currently, only a repayment of type(uint256).max is treated as a full repayment.
 
 This update generalises the logic so that **any repayment exceeding the borrower's debt is capped**, improving safety and user experience across repayment and liquidation scenarios.
 
+#### Proposed Change
+
+**Update in VToken.sol (repayBorrowFresh):**
+
 The technical details of the proposed change (including before/after code diff) can be found in the [community post](https://community.venus.io/t/proposal-vtoken-repayment-logic-improvement/5688).
 
 #### Impact
@@ -242,6 +246,13 @@ The technical details of the proposed change (including before/after code diff)
 - **Events**: RepayBorrow events now reflect the actual repaid amount
 - **Math Safety**: Prevents underflow in repayment calculations
 
+#### Scope
+
+- **Contract:** VToken
+- **Function:** repayBorrowFresh
+- **Change Type:** Single-line logic update
+- **Code Impact:** Minimal (2 additions, 6 deletions)
+
 #### Summary
 
 If approved, this VIP will:

vips/vip-597/bsctestnet.ts

@@ -158,10 +158,10 @@ export const CORE_MARKETS = [
   },
 ];
 
-const vip610Testnet = () => {
+const vip597Testnet = () => {
   const meta = {
     version: "v2",
-    title: "VIP-610 [BNB Chain] Repay Logic Improvement - VToken Implementation Upgrade",
+    title: "VIP-597 [BNB Chain] VToken Repayment Logic Improvement",
     description: `This VIP upgrades the VBep20Delegate implementation for all core pool markets on BNB Chain testnet to include the repay logic improvement.
 
 The updated implementation caps the repayment amount to the borrower's actual outstanding debt, preventing over-repayment scenarios. Previously, only \`type(uint256).max\` was treated as "repay full balance". Now, any amount exceeding the actual borrow balance is automatically capped.
@@ -188,4 +188,4 @@ The updated implementation caps the repayment amount to the borrower's actual ou
   );
 };
 
-export default vip610Testnet;
+export default vip597Testnet;