diff --git a/gtd.org b/gtd.org
index 6fa55fd..d6316e0 100644
--- a/gtd.org
+++ b/gtd.org
@@ -81,7 +81,11 @@ Slim down the org-agent microkernel by moving non-essential cognitive functions
     - State "DONE"       from "TODO"       [2026-04-09 Thu 14:46]
     :END:
 *** TODO Feature: Implement Latent Reflection (Proactive Gardening) using heartbeat idle cycles
-*** TODO Simplification: Refactor Cognitive Loop into a Unified Reactive Signal Pipeline
+*** DONE Simplification: Refactor Cognitive Loop into a Unified Reactive Signal Pipeline
+    CLOSED: [2026-04-09 Thu 15:15]
+    :LOGBOOK:
+    - State "DONE"       from "TODO"       [2026-04-09 Thu 15:15]
+    :END:
 *** TODO Resilience: Implement Micro-Rollbacks for the Immune System
 *** TODO Implement `org-skill-memory-archivist` (Long-term IPFS checkpointing and P2P sync)
 *** TODO Implement True Lisp Sandboxing (eval-safe mechanism in core and policy in skills)