diff --git a/docs/superpowers/specs/2026-06-08-paste-mcp-ambient-layer-design.md b/docs/superpowers/specs/2026-06-08-paste-mcp-ambient-layer-design.md
index b24d754..0673e9e 100644
--- a/docs/superpowers/specs/2026-06-08-paste-mcp-ambient-layer-design.md
+++ b/docs/superpowers/specs/2026-06-08-paste-mcp-ambient-layer-design.md
@@ -29,7 +29,7 @@ Paste holds the hot layer. It does not replace any deep storage system.
 ## Phased Architecture
 
 ### Phase 1: Content Outbox + Call Prep
-**Trigger:** Implement now. No startup dependency, no auth risk.
+**Trigger:** ~~Implement now~~ **COMPLETE — 2026-06-09**
 
 **Pinboards created:**
 - `Content Outbox` — staging layer for all publishable content