diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md
index 7ef3486..7d87bc9 100644
--- a/.planning/ROADMAP.md
+++ b/.planning/ROADMAP.md
@@ -15,7 +15,7 @@ Decimal phases appear between their surrounding integers in numeric order.
 
 - [x] **Phase 1: Framework kernel foundation** - Config, plugin registry, event bus, container and CLI skeleton boot the `summer` binary (completed 2026-09-16)
 - [x] **Phase 2: API parity harness bootstrap** - Fixture recorder + replay-and-diff harness against the live PHP backend, built on the Phase 1 command kernel (completed 2026-09-17)
-- [ ] **Phase 3: First vertical slice — genres end to end** - `GET /_fonoteka/api/v1/genres` passes the parity diff through every layer
+- [x] **Phase 3: First vertical slice — genres end to end** - `GET /_fonoteka/api/v1/genres` passes the parity diff through every layer (completed 2026-09-17)
 - [ ] **Phase 4: CLI scaffolding, i18n and mail** - Scaffolding commands, translated/pluralized strings, mail templates
 - [ ] **Phase 5: Data layer full fidelity** - All 25 models and 27 migrations with fillable/hidden/cast/soft-delete discipline
 - [ ] **Phase 6: HTTP routing, auth groups and rate limiting** - Three auth groups, named rate buckets, OAuth-safe middleware structure
@@ -134,7 +134,7 @@ Plans:
 
 **Wave 4** *(blocked on Wave 3 completion)*
 
-- [ ] 03-04-PLAN.md — Complete unit, integration and security verification
+- [x] 03-04-PLAN.md — Complete unit, integration and security verification
 
 ### Phase 4: CLI scaffolding, i18n and mail
 
@@ -348,7 +348,7 @@ Phases execute in numeric order: 1 → 2 → 3 → 4 → 5 → 6 → 7 → 8 →
 |-------|----------------|--------|-----------|
 | 1. Framework kernel foundation | 4/4 | Complete   | 2026-09-16 |
 | 2. API parity harness bootstrap | 5/5 | Complete   | 2026-09-17 |
-| 3. First vertical slice — genres end to end | 3/4 | In Progress|  |
+| 3. First vertical slice — genres end to end | 4/4 | Complete   | 2026-09-17 |
 | 4. CLI scaffolding, i18n and mail | 0/TBD | Not started | - |
 | 5. Data layer full fidelity | 0/TBD | Not started | - |
 | 6. HTTP routing, auth groups and rate limiting | 0/TBD | Not started | - |
diff --git a/.planning/STATE.md b/.planning/STATE.md
index a99e83c..abab31f 100644
--- a/.planning/STATE.md
+++ b/.planning/STATE.md
@@ -2,16 +2,16 @@
 gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
-status: executing
-stopped_at: Completed 03-03-PLAN.md
-last_updated: "2026-09-17T18:23:37.257Z"
+status: verifying
+stopped_at: Completed 03-04-PLAN.md
+last_updated: "2026-09-17T18:40:53.780Z"
 last_activity: 2026-09-17
 progress:
   total_phases: 15
-  completed_phases: 2
+  completed_phases: 3
   total_plans: 13
-  completed_plans: 11
-  percent: 13
+  completed_plans: 13
+  percent: 20
 ---
 
 # Project State
@@ -27,10 +27,10 @@ See: .planning/PROJECT.md (updated 2026-09-16)
 
 Phase: 03 (first-vertical-slice-genres-end-to-end) — EXECUTING
 Plan: 4 of 4
-Status: Ready to execute
+Status: Phase complete — ready for verification
 Last activity: 2026-09-17
 
-Progress: [█████████░] 85%
+Progress: [██████████] 100%
 
 ## Performance Metrics
 
@@ -56,6 +56,7 @@ Progress: [█████████░] 85%
 | Phase 03 P03-01 | 17 min | 2 tasks | 52 files |
 | Phase 03 P03-02 | 5 min | 2 tasks | 8 files |
 | Phase 03 P03-03 | 8 min | 2 tasks | 17 files |
+| Phase 03 P03-04 | 15 min | 2 tasks | 15 files |
 
 ## Accumulated Context
 
@@ -96,6 +97,9 @@ Recent decisions affecting current work:
 - [Phase 03]: A ported route with a trusted seed_hook skips the global PHP bootstrap replay — D-20: unported register/login and POST genres; the hook mints a test-only JWT
 - [Phase 03]: Corpus passing increments only after the ported subtest succeeds; pending never counts as passing — QA-04 T-03-06: 154 recorded, 1 passing, 153 pending
 - [Phase 03]: Colliding fixture IDs are derived from CanonicalGenres seed order (rock=1, electronic=2, jazz=4) — D-20: set id:token, id:wishlist-album, id:genre from PHP seed order, not user input
+- [Phase 03]: Phase 3 gate inlines TestParitySynthetic and CLI record/replay; PHP --fresh-php stays the Phase 2 sign-off because four wishlist album_count routes currently fail on live PHP — check-phase2.sh --fresh-php reports 150/154 on wishlist album_count expected 1 vs live 2. Phase 3 did not change PHP, tide, or those fixtures, so the Phase 3 gate must not fail on that drift.
+- [Phase 03]: testcontainers-go v0.44.0 is the STACK-named test dependency for framework lagoon isolation tests, matching the app TestMain — DATA-01 isolation tests need a real ICU pl-PL Postgres. The app already used testcontainers; the framework module now pins the same STACK versions so lagoon tests do not share the app TestMain.
+- [Phase 03]: High-severity T-03-01 through T-03-04 and T-03-06 are closed with failing-when-broken tests; token issuing remains test-only until Phase 7 — Roadmap required a security review of the JWT guard. 03-SECURITY-REVIEW.md maps each threat to a passing test; minting tokens through a production API is out of this slice.
 
 ### Pending Todos
 
@@ -117,6 +121,6 @@ Items acknowledged and carried forward from previous milestone close:
 
 ## Session Continuity
 
-Last session: 2026-09-17T18:23:37.224Z
-Stopped at: Completed 03-03-PLAN.md
+Last session: 2026-09-17T18:40:46.963Z
+Stopped at: Completed 03-04-PLAN.md
 Resume file: None