From 0991f74275c2eb35bc243814bdb7954b0af003d8 Mon Sep 17 00:00:00 2001
From: tolelom <98kimsungmin@naver.com>
Date: Wed, 25 Mar 2026 11:36:24 +0900
Subject: [PATCH] docs: add Phase 6-3 mixer status and deferred items

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 docs/DEFERRED.md |  7 +++++++
 docs/STATUS.md   | 14 ++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/docs/DEFERRED.md b/docs/DEFERRED.md
index 1b78ea1..b3bb8ba 100644
--- a/docs/DEFERRED.md
+++ b/docs/DEFERRED.md
@@ -62,6 +62,13 @@
 - **raycast_all (다중 hit)** — 가장 가까운 hit만 반환.
 - **BVH 조기 종료 최적화** — 모든 리프 검사 후 최소 t 선택. front-to-back 순회 미구현.
 
+## Phase 6-3
+
+- **동적 그룹 생성** — 고정 4개(Master/Bgm/Sfx/Voice)만. 런타임 추가 불가.
+- **그룹 간 라우팅/버스** — 미구현. 단순 Master → 개별 그룹 구조만.
+- **이펙트 체인** — Reverb, EQ 등 미구현.
+- **비선형 페이드 커브** — 선형 페이드만.
+
 ## Phase 6-2
 
 - **도플러 효과** — 미구현. 상대 속도 기반 주파수 변조.
diff --git a/docs/STATUS.md b/docs/STATUS.md
index 542dbaf..afc671d 100644
--- a/docs/STATUS.md
+++ b/docs/STATUS.md
@@ -86,6 +86,12 @@
 - voltex_audio: mix_sounds spatial integration (per-sound attenuation + panning)
 - voltex_audio: play_3d, set_listener API
 
+### Phase 6-3: Mixer
+- voltex_audio: MixGroup (Master, Bgm, Sfx, Voice), MixerState
+- voltex_audio: GroupState with linear fade (tick-based)
+- voltex_audio: effective_volume (group * master)
+- voltex_audio: set_group_volume, fade_group API
+
 ## Crate 구조
 
 ```
@@ -96,13 +102,13 @@ crates/
 ├── voltex_ecs       — Entity, SparseSet, World, Transform, Hierarchy, Scene, WorldTransform
 ├── voltex_asset     — Handle<T>, AssetStorage<T>, Assets
 ├── voltex_physics   — Collider, ContactPoint, BvhTree, RigidBody, detect_collisions, physics_step, raycast
-└── voltex_audio     — AudioClip, WAV parser, mixing, WASAPI backend, AudioSystem
+└── voltex_audio     — AudioClip, WAV parser, mixing, WASAPI backend, AudioSystem, MixGroup, spatial
 ```
 
-## 테스트: 191개 전부 통과
+## 테스트: 200개 전부 통과
 
 - voltex_asset: 14
-- voltex_audio: 26 (audio_clip 2 + wav 5 + mixing 9 + audio_system 2 + spatial 8)
+- voltex_audio: 35 (audio_clip 2 + wav 5 + mixing 11 + audio_system 2 + spatial 8 + mix_group 7)
 - voltex_ecs: 39
 - voltex_math: 37 (29 + AABB 6 + Ray 2)
 - voltex_physics: 52 (collider 2 + narrow 11 + bvh 5 + collision 7 + rigid_body 3 + integrator 3 + solver 5 + ray 10 + raycast 6)
@@ -122,7 +128,7 @@ crates/
 - ibl_demo — Normal map + IBL
 - audio_demo — 사인파 오디오 재생
 
-## 다음: Phase 6-3 (믹서)
+## 다음: Phase 7 (고급 렌더링) — Stretch Goal
 
 스펙 참조: `docs/superpowers/specs/2026-03-24-voltex-engine-design.md`