How to add the DFU OTA with SMP to a matter sample project like light_bulb

I would like to add smp ota firmware upgrade to the matter sample project, can you provide me with the specific steps to do so, and in which path is the ota file compiled and generated?

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  • It is mentioned here that there are two ways of upgrading, one is the MATTER standard ota upgrade and the other is the smp protocol ota upgrade. I would like to ask how to do the ota upgrade through smp, besides configuring DCONFIG_CHIP_DFU_OVER_BT_SMP=y, what other steps are required, such as whether LE broadcasting needs to be enabled, through which APP how to operate the upgrade, etc.

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