diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e17af82f..828bd0e0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 
 ## [Unreleased]
 
+### Added
+- Inigo sound designer agent — soundscape design, ambient layers, diegetic cues, D-018 audio propagation
+- Team-agent mapping in sprint planning — each team has defined default agents for briefing assignment
+- Sprint skills recognize all team branches (server, client, copy, audio, visual, ci)
+- Copy team sprint briefing for Sprint 2 (#368 knowledge vocabulary)
+
 ### Fixed
 - Type safety in GameState visible_tiles loop — validates Dictionary with x/y keys before access (PR #11 review)
 - Entity renderer skips redundant modulate.a writes when alpha unchanged (PR #11 review)