fix(runtime): hide successful plugin install output

image/entrypoint.test.mjs

@@ -30,6 +30,8 @@ exec "$@"
 printf 'dsh %s\n' "$*" >> "$TRACE"
 test "$npm_config_ignore_scripts:$npm_config_ignore_pnpmfile" = true:true || exit 91
 if [ "$1" = plugin ]; then
+ echo 'install progress and peer warnings'
+ echo 'install stderr diagnostics' >&2
  test "$*" = "plugin --profile web install --ignore-scripts$EXPECTED_ARGS" || exit 92
  exit "$PLUGIN_STATUS"
 fi
@@ -59,9 +61,12 @@ sleep 0.1
       assert.match(trace, /dsh plugin --profile web install --ignore-scripts/);
       assert.equal(existsSync(join(dir, 'profiles/web/.dsh-lockfile-pending')), pending && status !== '0');
       if (status === '0') {
+        assert.doesNotMatch(output, /install progress|install stderr/);
         assert.match(output, /reconciliation complete/);
         assert.match(trace, /dsh web/);
       } else {
+        assert.match(result.stderr, /install progress and peer warnings/);
+        assert.match(result.stderr, /install stderr diagnostics/);
         assert.ok(output.includes('failed (exit ' + status + ')'), output);
         assert.doesNotMatch(trace, /caddy|dsh web/);
       }