Add streaming terminal chat UX

README.md

@@ -31,6 +31,9 @@ Type a message, "/help" for commands, or "/exit" to quit.
 you>
 ```
 
+Interactive responses stream into the terminal as they are generated, and the
+session keeps conversation history until you reset or exit.
+
 You can also keep using one-shot mode when scripting:
 
 ```bash
@@ -78,6 +81,7 @@ npm run dev -- "/tools"
 The core provides:
 
 - `/help` — show available commands
+- `/history` — show how many conversation items are currently in memory
 - `/reset` — clear the current conversation history
 - `/exit` — leave the interactive session