diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72b450baa..adcbaaf3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 
 ### Added
 - `PROJECT_STATE.md` at repo root — shared project state referenced by all 18 agent briefings
+- Economics decision domain (`decisions/economics.md`): D-171–D-187 covering currency system, commodity taxonomy, shadow economy, corporation tiers, productivity seeding, simulation architecture, data pipeline, gate transmission levels
+- Commodity catalog: 36 commodity types in `wiki/economics/commodities.toml` with 21 production chains in `wiki/economics/production_chains.toml`
+- Wiki stub pages for all 36 commodities at `wiki/economics/commodities/`
+- SQL schema spec for #804 systems.db extension (`wiki/economics/schema.md`)
+- Burnelli-Sheldon economist agent (`.claude/agents/burnelli-sheldon.md`)
+- Workshop archives: #796 (economics design, 3 rounds) and #801 (commodity catalog, 3 rounds + validation)
 
 ### Changed
 - Amended 7 stale D-records with supersession notes (D-012, D-035, D-044, D-061, D-086, D-090, D-119)