Chris E
John mentioned El Dorado stone fireplace surround as used at Idea house. This would meet code and deflect enough heat to still mount tv at a comfortable viewing height. There is a very simple profile (soho) on their website which could work. Use surround and just paint brick. No mantle if tv to be mounted above because at 14" above box to meet code it would make tv to high.
beam
Beam
Beam
Beam
Casing
Casing
Look at hood. John says we can keep existing hood and wrap it. This is nice but would just do horiz wood at top and not doors.
Q