diff --git a/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md b/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md
index 91633b1c..c7cedd30 100644
--- a/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md
+++ b/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md
@@ -24,6 +24,7 @@
 - 2026-02-15: Added reusable GitHub Actions workflow template (`.github/workflows/reusable-pnpm-workspace.yml`) (**7.3**)
 - 2026-02-15: Unblocked platform/tracker Cosmos usage by adding dev auto-init for missing DB/containers (services call `initializeAllContainers()`)
 - 2026-02-15: Verified auth + tracker E2E via container-run smoke: register/login/me; create item/comment/vote; public roadmap vote + submit idea (**6.15**, **6.16**)
+- 2026-02-15: Local Docker cleanup: `docker system prune -af` reclaimed ~10.5GB (build cache)
 
 ## Prereqs (Local)