Create a freestanding demo application for the Bluetooth Core 6.2 Shorter Connection Intervals feature using the nRF Connect SDK v3.4.0.
Find the shorter_conn_intervals sample in the installed SDK and use it as the starting point.
Create the project in a new folder in this workspace and target nrf54l15dk/nrf54l15/cpuapp.
Verify the sample requirements and run a verification build, then stop.
Do not modify the sample behavior or program a device.
Prepare a concise handoff for a fresh chat for Development.