Print g3 progress and status on same line

- print_g3_progress now uses print! instead of println!
- print_g3_status completes the line with just the status
- Result: 'g3: compacting session ... [done]' on one line

crates/g3-cli/src/ui_writer_impl.rs

@@ -213,7 +213,8 @@ impl UiWriter for ConsoleUiWriter {
 
     fn print_g3_progress(&self, message: &str) {
         use crossterm::style::{Attribute, Color, ResetColor, SetAttribute, SetForegroundColor};
-        println!(
+        use std::io::Write;
+        print!(
             "{}{}g3:{}{} {} ...",
             SetAttribute(Attribute::Bold),
             SetForegroundColor(Color::Green),
@@ -221,10 +222,12 @@ impl UiWriter for ConsoleUiWriter {
             SetAttribute(Attribute::Reset),
             message
         );
+        let _ = std::io::stdout().flush();
     }
 
     fn print_g3_status(&self, message: &str, status: &str) {
-        use crossterm::style::{Attribute, Color, ResetColor, SetAttribute, SetForegroundColor};
+        use crossterm::style::{Color, ResetColor, SetForegroundColor};
+        let _ = message; // unused now - progress already printed the message
         let status_colored = if status.starts_with("error") || status == "failed" {
             format!(
                 " {}[{}]{}",
@@ -235,15 +238,7 @@ impl UiWriter for ConsoleUiWriter {
         } else {
             format!(" [{}]", status)
         };
-        println!(
+        println!("{}", status_colored);
-            "{}{}g3:{}{} {} ... {}",
-            SetAttribute(Attribute::Bold),
-            SetForegroundColor(Color::Green),
-            ResetColor,
-            SetAttribute(Attribute::Reset),
-            message,
-            status_colored
-        );
     }
 
     fn print_context_thinning(&self, message: &str) {