docs: add session titles to changelog

Author: Predixx

CHANGELOG.md

@@ -5,6 +5,7 @@ All notable changes to the Artemis VS Code extension will be documented in this
 ## [Unreleased] - 0.4.1
 ### Added
 
+- **Session Titles**: Iris chat sessions display LLM-generated titles from Artemis in the session list and chat header.
 - **Theia/EduIDE Compatibility**: Full support for running the extension in browser-based Theia environments (e.g., Artemis EduIDE), including Bearer token authentication, environment-based auto-login, DataBridge for late-arriving credentials, and automatic repository cloning.
 - **Session Analyzer**: Session recording system that captures coding activity (text changes, cursor/scroll movements, build results) with continuous EQ score tracking, replay engine, and a standalone viewer app for analyzing recorded sessions.
 - **Configurable Start Page**: New `artemis.startPage` setting to choose which page opens after login: Dashboard (default), Course List, or automatically open the course/exercise detected in the current workspace.