docs(phase-07): complete phase execution

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.planning/STATE.md

@@ -4,7 +4,7 @@ milestone: v1.1
 milestone_name: Custom Sound Mappings
 status: executing
 stopped_at: Completed 07-02-PLAN.md
-last_updated: "2026-03-26T20:52:30.478Z"
+last_updated: "2026-03-26T20:55:57.847Z"
 last_activity: 2026-03-26
 progress:
   total_phases: 3
@@ -25,8 +25,8 @@ See: .planning/PROJECT.md (updated 2026-03-26)
 
 ## Current Position
 
-Phase: 07 (custom-rules-and-print-config) — EXECUTING
-Plan: 2 of 2
+Phase: 07
+Plan: Not started
 Status: Ready to execute
 Last activity: 2026-03-26