test(ethereum): Update v2swap fixture to include expanded command details

  Update the fixture to reflect improved Uniswap Universal Router visualization
  with expanded field details for V2 Swap, Pay Portion, and Unwrap commands.

Author: prasanna-anchorage

src/chain_parsers/visualsign-ethereum/src/protocols/uniswap/config.rs

@@ -15,9 +15,9 @@
 //! Currently, only V1.2 is implemented. Future versions should be added as separate
 //! contract type markers below.
 
-use alloy_primitives::Address;
 use crate::registry::{ContractRegistry, ContractType};
-use crate::token_metadata::{TokenMetadata, ErcStandard};
+use crate::token_metadata::{ErcStandard, TokenMetadata};
+use alloy_primitives::Address;
 
 /// Contract type marker for Uniswap Universal Router V1.2
 ///

src/chain_parsers/visualsign-ethereum/src/protocols/uniswap/contracts/permit2.rs

@@ -8,7 +8,7 @@
 #![allow(unused_imports)]
 
 use alloy_primitives::Address;
-use alloy_sol_types::{sol, SolCall};
+use alloy_sol_types::{SolCall, sol};
 use chrono::{TimeZone, Utc};
 use visualsign::{SignablePayloadField, SignablePayloadFieldCommon, SignablePayloadFieldTextV2};
 
@@ -108,11 +108,7 @@ impl Permit2Visualizer {
 
         let text = format!(
             "Approve {} {} {} to spend {} (expires: {})",
-            call.spender,
-            amount_str,
-            token_symbol,
-            token_symbol,
-            expiration_str
+            call.spender, amount_str, token_symbol, token_symbol, expiration_str
         );
 
         SignablePayloadField::TextV2 {
@@ -136,29 +132,40 @@ impl Permit2Visualizer {
             .unwrap_or_else(|| format!("{:?}", token));
 
         // Format amount with proper decimals
-        let amount_u128: u128 = call.permitSingle.details.amount.to_string().parse().unwrap_or(0);
+        let amount_u128: u128 = call
+            .permitSingle
+            .details
+            .amount
+            .to_string()
+            .parse()
+            .unwrap_or(0);
         let (amount_str, _) = registry
             .and_then(|r| r.format_token_amount(chain_id, token, amount_u128))
-            .unwrap_or_else(|| (call.permitSingle.details.amount.to_string(), token_symbol.clone()));
+            .unwrap_or_else(|| {
+                (
+                    call.permitSingle.details.amount.to_string(),
+                    token_symbol.clone(),
+                )
+            });
 
         // Format expiration timestamp
-        let expiration_u64: u64 = call.permitSingle.details.expiration.to_string().parse().unwrap_or(0);
+        let expiration_u64: u64 = call
+            .permitSingle
+            .details
+            .expiration
+            .to_string()
+            .parse()
+            .unwrap_or(0);
         let expiration_str = if expiration_u64 == u64::MAX {
             "never".to_string()
         } else {
-            let dt = Utc
-                .timestamp_opt(expiration_u64 as i64, 0)
-                .unwrap();
+            let dt = Utc.timestamp_opt(expiration_u64 as i64, 0).unwrap();
             dt.format("%Y-%m-%d %H:%M UTC").to_string()
         };
 
         let text = format!(
             "Permit {} to spend {} {} from {} (expires: {})",
-            call.permitSingle.spender,
-            amount_str,
-            token_symbol,
-            call.owner,
-            expiration_str
+            call.permitSingle.spender, amount_str, token_symbol, call.owner, expiration_str
         );
 
         SignablePayloadField::TextV2 {
@@ -214,7 +221,10 @@ mod tests {
     #[test]
     fn test_visualize_too_short() {
         let visualizer = Permit2Visualizer;
-        assert_eq!(visualizer.visualize_tx_commands(&[0x01, 0x02], 1, None), None);
+        assert_eq!(
+            visualizer.visualize_tx_commands(&[0x01, 0x02], 1, None),
+            None
+        );
     }
 
     // TODO: Add tests for Permit2 functions once implemented
@@ -247,7 +257,8 @@ impl crate::visualizer::ContractVisualizer for Permit2ContractVisualizer {
     fn visualize(
         &self,
         context: &crate::context::VisualizerContext,
-    ) -> Result<Option<Vec<visualsign::AnnotatedPayloadField>>, visualsign::vsptrait::VisualSignError> {
+    ) -> Result<Option<Vec<visualsign::AnnotatedPayloadField>>, visualsign::vsptrait::VisualSignError>
+    {
         let contract_registry = crate::registry::ContractRegistry::with_default_protocols();
 
         if let Some(field) = self.inner.visualize_tx_commands(