AGENTS, add more details on where the kotlin executable is for KMP projects compiled with Kotlin Toolchain.

tasks/workstation/linux/software/ai/sandbox.yml

@@ -278,9 +278,11 @@
 
       Please use `kotlin` rather than any `amper` commands. `amper` has
       been deprecated and is intentionally not present on the system.
-      Examples:
+      `kotlin` is available at the root of each KMP project. Examples:
 
       ```
+      cd {{ user_user.home }}/Code/example-kmp-project/
+
       # 1. Compile + link ALL targets (JVM, iOS, Android, native, etc.)
       ./kotlin build