diff --git a/.planning/PROJECT.md b/.planning/PROJECT.md
index 223fdb4..42798d7 100644
--- a/.planning/PROJECT.md
+++ b/.planning/PROJECT.md
@@ -10,7 +10,7 @@ Network traffic patterns are instantly recognizable as distinct sounds — a pin
 
 ## Current State
 
-**v1.2 in progress.** Phase 8 (Test and Constant Cleanup) complete 2026-03-27 — stale NumLayers/GainPerLayer constants removed, test bounds future-proofed for extended frequency range. ~4,675 lines of Go across 7 packages.
+**v1.2 in progress.** Phase 9 (Frequency Design and Group Architecture) complete 2026-03-27 — all 14 ClassFreqConfigs rebalanced to major-second ladder (65-1375 Hz) in family bands, Group field added to FreqConfig, auto-assign range moved to [2500, 4000] Hz. ~4,800 lines of Go across 7 packages.
 
 Tech stack: gopacket/gopacket v1.5.0, packetcap/go-pcap (pure Go capture), sjzar/go-lame v0.0.9 (embedded LAME), spf13/cobra v1.10.2, BurntSushi/toml v1.6.0.