diff --git a/.planning/STATE.md b/.planning/STATE.md
index 757096d..bbcba9b 100644
--- a/.planning/STATE.md
+++ b/.planning/STATE.md
@@ -2,16 +2,16 @@
 gsd_state_version: 1.0
 milestone: v3.0
 milestone_name: Phishing Triage Automation
-status: executing
+status: completed
 stopped_at: Phase 17 planned, 1 plan ready
-last_updated: "2026-07-15T18:25:57.157Z"
-last_activity: 2026-07-15 -- Phase 17 execution started
+last_updated: "2026-07-15T18:34:03.648Z"
+last_activity: 2026-07-15 -- Phase 17 marked complete
 progress:
   total_phases: 7
-  completed_phases: 2
+  completed_phases: 3
   total_plans: 7
-  completed_plans: 6
-  percent: 29
+  completed_plans: 7
+  percent: 43
 ---
 
 # Project State
@@ -25,10 +25,10 @@ See: .planning/PROJECT.md (updated 2026-07-14)
 
 ## Current Position
 
-Phase: 17 (mimecast-blast-radius-lookup) — EXECUTING
+Phase: 17 — COMPLETE
 Plan: 1 of 1
-Status: Executing Phase 17
-Last activity: 2026-07-15 -- Phase 17 execution started
+Status: Phase 17 complete
+Last activity: 2026-07-15 -- Phase 17 marked complete
 
 Progress: [░░░░░░░░░░] 0%