chore: archive v1.0 milestone — MVP shipped

4 phases, 18 plans, 24/24 requirements, 98 tests GREEN.
Archived ROADMAP + REQUIREMENTS to milestones/. ROADMAP collapsed.
PROJECT.md evolved with validated requirements and key decisions.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.planning/STATE.md

@@ -1,27 +1,27 @@
 ---
 gsd_state_version: 1.0
-milestone: v1.0
-milestone_name: milestone
-status: executing
-stopped_at: Completed 04-05-PLAN.md — Phase 4 human verification approved, all 18 checks passed
-last_updated: "2026-03-27T14:02:52.665Z"
-last_activity: 2026-03-26 — Completed plan 01-02 (Backend Schema Registry)
+milestone: v1.1
+milestone_name: ""
+status: milestone_complete
+stopped_at: v1.0 MVP milestone archived — ready for next milestone
+last_updated: "2026-03-27T00:00:00.000Z"
+last_activity: 2026-03-27 — v1.0 milestone complete
 progress:
-  total_phases: 4
-  completed_phases: 4
-  total_plans: 18
-  completed_plans: 18
-  percent: 50
+  total_phases: 0
+  completed_phases: 0
+  total_plans: 0
+  completed_plans: 0
+  percent: 0
 ---
 
 # Project State
 
 ## Project Reference
 
-See: .planning/PROJECT.md (updated 2026-03-26)
+See: .planning/PROJECT.md (updated 2026-03-27)
 
 **Core value:** An IT pro can go from zero to a deployable rclone setup in minutes — without needing to know rclone's config syntax or PowerShell deployment conventions.
-**Current focus:** Phase 1 — Foundation
+**Current focus:** Planning next milestone (v1.1)
 
 ## Current Position