chore(meta): update changelog

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,16 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 ## [Unreleased]
 
 ### Added
+- Planet generator pipeline (`tooling/planet-gen/`) — procedural terrain simulation, Whittaker biome classification, equirectangular heightmap + 512px globe rendering from wiki data
+- Externalized biome/color configuration (`tooling/planet-gen/biomes.toml`) — single source for all classification tables, palettes, and rendering parameters
+- Batch runner with error handling, resume support, determinism verification, and 50% error rate circuit breaker
+- Per-body wiki pages with YAML frontmatter (`wiki/star-systems/*/bodies/*/index.md`) — body definition + profile + visual embeds
+- Body scaffolding tool reads system index.md and generates per-body index.md with frontmatter
+- Ran system (GJ-144) generated: 10 bodies with heightmaps, globe renders, and geographic markers
+- Implant HUD icon set: 13 SVGs (stance, status, interaction, inventory) per D-086
+- 7 procedural planet type renders for wiki/GTTR (`client/assets/planets/`)
+- Ticket #817: batch planet generation for all ~3000 bodies
+- Ticket #816: remove stale Qdrant semantic search infrastructure
 - `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`