fmt, fixes and additions

heromodels/examples/legal_contract_example.rs

@@ -70,7 +70,7 @@ fn main() {
         .add_signer(signer2.clone())
         .add_revision(revision1.clone())
         .add_revision(revision2.clone());
-    
+
     // The `#[model]` derive handles `created_at` and `updated_at` in `base_data`.
     // `base_data.touch()` might be called internally by setters or needs explicit call if fields are set directly.
     // For builder pattern, the final state of `base_data.updated_at` reflects the time of the last builder call if `touch()` is implicit.
@@ -87,7 +87,7 @@ fn main() {
 
     println!("\n--- Contract Details After Signing ---");
     println!("{:#?}", contract);
-    
+
     println!("\n--- Accessing Specific Fields ---");
     println!("Contract Title: {}", contract.title);
     println!("Contract Status: {:?}", contract.status);
@@ -97,7 +97,10 @@ fn main() {
     println!("Updated At (timestamp): {}", contract.base_data.modified_at); // From BaseModelData
 
     if let Some(first_signer_details) = contract.signers.first() {
-        println!("\nFirst Signer: {} ({})", first_signer_details.name, first_signer_details.email);
+        println!(
+            "\nFirst Signer: {} ({})",
+            first_signer_details.name, first_signer_details.email
+        );
         println!("  Status: {:?}", first_signer_details.status);
         if let Some(signed_time) = first_signer_details.signed_at {
             println!("  Signed At: {}", signed_time);
@@ -110,6 +113,6 @@ fn main() {
         println!("  Created By: {}", latest_rev.created_by);
         println!("  Revision Created At: {}", latest_rev.created_at);
     }
-    
+
     println!("\nLegal Contract Model demonstration complete.");
 }