[WIP] Chat launcher experience #2653

Job	Run time
Type definitions test	4m 35s
Unit test	4m 29s
Print commit stats	1m 10s
Build	4m 31s
Build samples	32s
Static code analysis	4m 33s
HTML test (${{ format('{0}/{1}', matrix.shard-index, matrix.shard-count) }})	0s
Merge test results	3s
Merge test snapshots	3s
	19m 56s

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