tuonq/ChatAI @ f2b81a2f23d3695293577b286ebd42b5678edb7c

Yidadaa 7e8def50aa feat: close #444 use env var to disable gpt-4		1 rok temu
..
build.ts	fce3b3ce7b feat: use commit time as version id	1 rok temu
server.ts	7e8def50aa feat: close #444 use env var to disable gpt-4	1 rok temu