docs(phase-17): complete phase execution — milestone v2.0 done

Author: SoulKyu

.planning/ROADMAP.md

@@ -336,4 +336,4 @@ Phases execute in numeric order: 14 -> 15 -> 16 -> 17
 | 14. Access Key Enhancement & Array Connection | 2/2 | Complete    | 2026-03-29 | - |
 | 15. Replication Resources | 3/3 | Complete    | 2026-03-29 | - |
 | 16. Workflow & Documentation | 1/1 | Complete    | 2026-03-29 | - |
-| 17. Testing | 2/2 | Complete   | 2026-03-29 | - |
+| 17. Testing | 2/2 | Complete    | 2026-03-29 | - |

.planning/STATE.md

@@ -4,7 +4,7 @@ milestone: v2.0
 milestone_name: Cross-Array Bucket Replication
 status: executing
 stopped_at: Completed 17-01-PLAN.md
-last_updated: "2026-03-29T12:07:42.900Z"
+last_updated: "2026-03-29T12:08:29.450Z"
 last_activity: 2026-03-29 — Completed 16-01 workflow and documentation
 progress:
   total_phases: 17