docs: record final review fix evidence

Author: Howe829

.superpowers/sdd/task-14-report.md

@@ -316,6 +316,8 @@ used. No dependency was installed.
 The final branch review based on `dd17b69` and metadata head `729e039`
 confirmed two Important defects and no Critical defect.
 
+Implementation commit: `1059da7` (`fix: authenticate completion evidence atomically`).
+
 First, completion trusted bare team/user evidence-axis `PASS` values. A
 coordinator could therefore reach `DONE` without an independent reviewer or
 the project-bound named user issuing acceptance. TDD added negative coverage
@@ -371,6 +373,6 @@ Ran 1 test
 OK
 
 .venv/bin/python -m unittest discover -s scripts -p 'test_*.py' -q
-Ran 496 tests
+Ran 496 tests in 64.712s
 OK
 ```