docs(12): phase verified — live email UAT passed (digest sent via tenant SMTP, no double-send)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.planning/STATE.md

@@ -4,8 +4,8 @@ milestone: v1.1
 milestone_name: Ausschreibungs-Radar
 current_phase: 12
 current_phase_name: tender-notifications
-status: verifying
-stopped_at: Completed 12-04-PLAN.md
+status: verified
+stopped_at: Phase 12 verified — live email UAT passed (digest via Mailhog, no double-send)
 last_updated: "2026-07-22T07:32:37.037Z"
 last_activity: 2026-07-22
 last_activity_desc: Phase 12 execution started