chore(plans): mark admin-redesign + lab-split as Complete

Both features merged to master; status updated from In Progress to

Complete with merge-commit refs for traceability.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

plans/admin-redesign/PLAN.md

@@ -3,7 +3,7 @@
 **Branch:** `feature/admin-redesign`
 **Base branch:** `master`
 **Created:** 2026-05-16
-**Status:** 🟡 In Progress
+**Status:** ✅ Complete (merged `1aa6660` + permissions-hardening merge `8269f5b`)
 **Strategy:** Incremental
 **Mode:** Automated
 **Execution:** Orchestrator

plans/lab-split/PLAN.md

@@ -3,7 +3,7 @@
 **Branch:** `feature/lab-split`
 **Base branch:** `master`
 **Created:** 2026-05-22
-**Status:** 🟡 In Progress
+**Status:** ✅ Complete (4/5 phases merged `5d5f51a`, Phase 5 deferred)
 **Strategy:** Incremental
 **Mode:** Automated
 **Execution:** Direct