refactor: remove redundant to_string method and adjust formatting

- remove to_string method from GitMessage struct since Display trait handles formatting
- update clipboard text setting to use format macro for consistency
- fix table printing to eliminate extra newline in output

Signed-off-by: mingcheng <[email protected]>

Author: mingcheng

src/cli.rs

@@ -105,7 +105,7 @@ pub fn print_table(title: &str, content: &str) {
         .with(tabled::settings::Width::wrap(120))
         .with(tabled::settings::Alignment::left());
 
-    print!("{}\n", table);
+    println!("{}", table);
 }
 
 #[cfg(test)]

src/main.rs

@@ -157,7 +157,7 @@ async fn main() -> std::result::Result<(), Box<dyn Error>> {
     // Copy the commit message to clipboard if the --copy option is enabled
     if cli.copy {
         let mut clipboard = Clipboard::new()?;
-        clipboard.set_text(&message.to_string())?;
+        clipboard.set_text(format!("{}", &message))?;
         writeln!(
             std::io::stdout(),
             "the commit message has been copied to clipboard."

src/message.rs

@@ -9,7 +9,7 @@
  * File Created: 2025-10-16 15:06:58
  *
  * Modified By: mingcheng <[email protected]>
- * Last Modified: 2025-10-16 16:28:06
+ * Last Modified: 2025-10-16 16:33:51
  */
 
 use crate::repository::Git;
@@ -98,13 +98,6 @@ impl GitMessage {
         self.title.is_empty() && self.content.is_empty()
     }
 
-    /// Convert the message to a formatted string suitable for git commit
-    ///
-    /// Returns the commit message in the format: `title\n\ncontent`
-    pub fn to_string(&self) -> String {
-        format!("{}\n\n{}", self.title, self.content)
-    }
-
     /// Get the total character count of the commit message
     pub fn char_count(&self) -> usize {
         self.title.len() + 2 + self.content.len() // +2 for "\n\n"