[WIP] Chat launcher experience #2652

Job	Run time
Build samples	29s
Build	3m 35s
Unit test	3m 29s
Type definitions test	3m 28s
Static code analysis	3m 26s
Print commit stats	1m 12s
Merge test snapshots	3s
Merge test results	4s
HTML test (${{ format('{0}/{1}', matrix.shard-index, matrix.shard-count) }})	-1s
	15m 45s

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