fix(upgrade): preserve summary after progress cleanup

e2e/cli/test_upgrade_progress_summary

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+echo 'dummy 1' >.tool-versions
+mise install dummy@1.0.0 >/dev/null 2>&1
+
+output="$(MISE_FORCE_PROGRESS=1 mise up dummy 2>&1)"
+summary_line="  dummy 1.0.0 → 1.1.0"
+
+if [[ $output != *"$summary_line"* ]]; then
+  fail "upgrade summary did not include '$summary_line': $output"
+fi
+
+after_summary="${output#*"$summary_line"}"
+if grep -q $'\033\\[[0-9;]*J' <<<"$after_summary"; then
+  fail "upgrade summary was followed by a terminal clear sequence"
+fi

src/cli/upgrade.rs

@@ -411,6 +411,7 @@ impl Upgrade {
                 });
         }
 
+        mpr.finish_progress();
         Self::print_summary(&outdated, &successful_versions)?;
 
         install_error

src/ui/multi_progress_report.rs

@@ -181,9 +181,13 @@ impl MultiProgressReport {
 
         progress_trace!("footer_finish: completed={}, total={}", completed, total);
 
-        // Stop clx progress
-        progress::stop();
+        self.finish_progress();
+    }
 
+    /// Render the final progress state, then clear clx's registered jobs so
+    /// later regular terminal output cannot be erased by process shutdown.
+    pub fn finish_progress(&self) {
+        progress::stop();
         self.reset_jobs();
     }