row224: trim whitespace in plain-text failure receipt

agents/della/work/queue-224/BUILD.md

@@ -327,3 +327,7 @@ test at packages/cli/tests/thread-launch.test.mjs:1:1
 ✖ packages/cli/tests/thread-launch.test.mjs (62982.9717ms)
   'Promise resolution is still pending but the event loop has already resolved'
 ```
+
+Receipt correction: copied test output contained two whitespace-only lines;
+complete-range diff-check caught them. Trimmed those log lines in this
+follow-up; no test/code or failure text changed, and no test was rerun.