diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e97eb27f..17e863bc5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 ## [Unreleased]
 
 ### Added
+- Contradiction monologue lines — 16 hand-authored lines (8 detective, 8 smuggler) for Sera/Kael FRIEND arc, Phase 2 blindsiding + Phase 3 pattern recognition, cognitive-dissonance-not-accusation tone per D-083 (#552)
+- Diegetic tutorial monologue — 20 lines (10 per character) teaching movement, fog, sound, NPC interaction, and insert/HUD through character voice, fire-once on first-time events (#330)
 - `/sprint-status` cleanup sweep skill — consistent health report with tickets by status, PR cross-reference, bookkeeping issue detection, and open work by team
 - `sprint sweep` CLI subcommand — structured JSON output for sprint health checks (grouped tickets, per-team summary, issue detection)
 - Knowledge Flow & NPC Boundaries workshop — 5 D-records (D-079–D-083) covering grant architecture, NPC-to-NPC propagation, unprompted disclosure, NPC information boundaries MVP, contradiction detection pipeline