feat: Story 3.5 Step-04-Review-Abschluss (bmad-code-review, 3 Layer; kein Loopback) — §5.11-Leasing-/Dirty-Tree-Sektion (Branch-Form lease/<area>/<id>, Lockfile, Merge-Base-Disziplin, Lease-Freigabe, Root-Scope, Dirty-Tree-Schutz, AD-17c-Merge-Pfad, Commit-Boundary, log.md, Determinismus; §7-Vorbehalt :357 aufgelöst, §8 Revision 3.0/3.1); Sandbox L1-L6+N1+D1+D2 (Exit 0, 21 PASS); 4 Defers; Review-Fixes (Text: UNCOMMITTED_INPUT-Gleichsetzung, 3.5/3.6-Seam, Norm-Rückverweis; Sandbox: Header-Bullet-Paare, L4-Restore, L6-BUILD_HEAD); Suggested Review Order + Status done; log.md 10/10 PASS; AD-3 unverändert

Co-Authored-By: Claude <noreply@anthropic.com>

_bmad-output/implementation-artifacts/sprint-status.yaml

@@ -29,7 +29,7 @@
 # - Dev moves story to 'review', then runs code-review (fresh context, different LLM recommended)
 # - Retrospective appends its action items to action_items; the status view surfaces open ones
 generated: 08-14-2026 00:00
-last_updated: 08-19-2026 16:40
+last_updated: 08-19-2026 20:37
 project: wow20
 project_key: NOKEY
 tracking_system: file-system
@@ -55,7 +55,7 @@ development_status:
   3-2-relevanzbestimmung-textual-deterministisch-umsetzen-grep-rip: done
   3-3-bestehende-concepts-erweitern-präzisieren-korrigieren: done
   3-4-wissen-aus-mehreren-sources-synthetisieren: done
-  3-5-leasing-dirty-tree-schutz-für-konkurrierende-producer-umsetz: backlog
+  3-5-leasing-dirty-tree-schutz-für-konkurrierende-producer-umsetz: done
   3-6-lease-staleness-recovery-basis-absichern: backlog
   3-7-reason-mutate-trennung-und-konsistenz-endzustand-sicherstell: backlog
   3-8-determinismus-vertrag-ad-17h-als-agent-instruktions-validato: backlog