feat(cli): print summary when continuous mode is interrupted

crates/irtt-cli/src/lib.rs

@@ -29,7 +29,7 @@ pub struct CliArgs {
         default_value = "10s",
         value_parser = parse_test_duration,
         help = "Test duration; use 0 for continuous mode",
-        long_help = "Test duration; use 0 for continuous mode.\n\nFinite runs retain exact statistics for final summaries. Continuous mode uses bounded-memory running statistics and does not print a finite summary."
+        long_help = "Test duration; use 0 for continuous mode.\n\nFinite runs retain exact statistics for final summaries. Continuous mode uses bounded-memory running statistics and prints a final summary only when interrupted."
     )]
     pub duration: Duration,
 

crates/irtt-cli/src/main.rs

@@ -130,6 +130,7 @@ fn run(args: CliArgs, shutdown_requested: &AtomicBool) -> Result<(), Box<dyn std
 
     let events = client.close()?;
     output.print_events(&events)?;
+    output.print_final_summary = should_print_final_summary(continuous, interrupted);
     output.print_summary()?;
     output.out.flush()?;
     Ok(())
@@ -156,6 +157,10 @@ fn should_drain_final(continuous: bool, interrupted: bool) -> bool {
     !continuous || interrupted
 }
 
+fn should_print_final_summary(continuous: bool, interrupted: bool) -> bool {
+    !continuous || interrupted
+}
+
 fn open_event(outcome: &OpenOutcome) -> &ClientEvent {
     match outcome {
         OpenOutcome::Started { event, .. } | OpenOutcome::NoTestCompleted { event, .. } => event,