docs(02): create phase plan (5 plans, 4 waves)

.planning/STATE.md

@@ -4,7 +4,7 @@ milestone: v1.0
 milestone_name: milestone
 status: executing
 stopped_at: Phase 2 context gathered
-last_updated: "2026-06-18T10:48:31.286Z"
+last_updated: "2026-06-18T11:16:49.005Z"
 last_activity: 2026-06-18 -- Plan 01-02 Portal Shell complete
 progress:
   total_phases: 6
@@ -27,7 +27,7 @@ See: .planning/PROJECT.md (updated 2026-06-18)
 
 Phase: 1 of 6 (Foundation & Portal Shell)
 Plan: 2 of 3 in current phase (completed)
-Status: Executing phase 1
+Status: Ready to execute
 Last activity: 2026-06-18 -- Plan 01-02 Portal Shell complete
 
 Progress: [██░░░░░░░░] 10%