docs(phase-15): complete phase execution

.planning/STATE.md

@@ -2,15 +2,15 @@
 gsd_state_version: 1.0
 milestone: v3.0
 milestone_name: Phishing Triage Automation
-status: executing
-stopped_at: Phase 15 context gathered
-last_updated: "2026-07-15T11:33:35.155Z"
+status: ready_to_plan
+stopped_at: Phase 15 complete (3/3) — ready to discuss Phase 16
+last_updated: 2026-07-15T12:21:58.275Z
 last_activity: 2026-07-15 -- Phase 15 execution started
 progress:
   total_phases: 7
   completed_phases: 0
   total_plans: 3
-  completed_plans: 0
+  completed_plans: 3
   percent: 0
 ---
 
@@ -21,14 +21,14 @@ progress:
 See: .planning/PROJECT.md (updated 2026-07-14)
 
 **Core value:** A manager/security operator can see every phishing/spam report ticket automatically triaged, deduplicated into campaigns, and classified — with any destructive remediation gated behind explicit human approval.
-**Current focus:** Phase 15 — Data Model, Detection & Ticket Evidence
+**Current focus:** Phase 16 — eml/mime evidence parser
 
 ## Current Position
 
-Phase: 15 (Data Model, Detection & Ticket Evidence) — EXECUTING
-Plan: 1 of 3
-Status: Executing Phase 15
-Last activity: 2026-07-15 -- Phase 15 execution started
+Phase: 16
+Plan: Not started
+Status: Ready to plan
+Last activity: 2026-07-15
 
 Progress: [░░░░░░░░░░] 0%
 
@@ -36,7 +36,7 @@ Progress: [░░░░░░░░░░] 0%
 
 **Velocity:**
 
-- Total plans completed: 50 (v1.0: 42, v2.0: 20 across phases 10-14 — see per-phase table)
+- Total plans completed: 53 (v1.0: 42, v2.0: 20 across phases 10-14 — see per-phase table)
 - Average duration: —
 - Total execution time: 0.0 hours (v3.0)
 
@@ -47,6 +47,7 @@ Progress: [░░░░░░░░░░] 0%
 | 01-09.1 (v1.0) | 34 | - | - |
 | 10-14 (v2.0) | 20 | - | - |
 | 15-21 (v3.0) | TBD | - | - |
+| 15 | 3 | - | - |
 
 **Recent Trend:**