docs(phase-20): complete phase execution

.planning/STATE.md

@@ -4,13 +4,13 @@ milestone: v1.3
 milestone_name: Research & Decision Tools
 status: planning
 stopped_at: Completed 20-02-PLAN.md
-last_updated: "2026-04-06T06:12:00.000Z"
+last_updated: "2026-04-06T06:17:39.050Z"
 last_activity: 2026-04-06
 progress:
-  total_phases: 13
-  completed_phases: 11
-  total_plans: 33
-  completed_plans: 33
+  total_phases: 14
+  completed_phases: 13
+  total_plans: 38
+  completed_plans: 36
   percent: 0
 ---
 
@@ -25,10 +25,10 @@ See: .planning/PROJECT.md (updated 2026-04-03)
 
 ## Current Position
 
-Phase: 18 of 18 (PostgreSQL Migration)
+Phase: 20 of 18 (PostgreSQL Migration)
 Plan: Not started
 Status: Ready to plan
-Last activity: 2026-04-05
+Last activity: 2026-04-06
 
 Progress: [----------] 0% (v2.0 milestone)