I was in Thailand on ED visa then my work contract and certificate of employment for DTV states my length of employment, showing it was the whole time for my ED visa but I got approved and stamped in.
I applied in London on a Wednesday evening with my remote work contract, proof of residence in UK and £11,000 closing bank statements. Thursday they asked for a certificate of employment which I uploaded on Friday. My visa was approved on the Monday. I arrived in Phuket last night and they asked me nothing, just stamped in for the 180 days. I have a 5 year history of covid amnesty, tourist, exempt border bounce by land, two ED visas and an 11 day over stay one year ago because of a passport problem. All good.