feat: markdown streaming #3304

Job	Run time
Build	5m 2s
Verify build-browser (windows-latest)	2m 9s
Print commit stats	1m 3s
Verify build-browser (macos-26)	56s
Verify build-browser (ubuntu-latest)	49s
Build samples	23s
Static code analysis	4m 12s
Type definitions test	2m 17s
Unit test	3m 12s
HTML test (2/17)	7m 47s
HTML test (3/17)	7m 19s
HTML test (4/17)	7m 23s
HTML test (6/17)	7m 53s
HTML test (9/17)	7m 55s
HTML test (1/17)	6m 46s
HTML test (5/17)	7m 59s
HTML test (12/17)	7m 21s
HTML test (7/17)	6m 56s
HTML test (11/17)	7m 9s
HTML test (8/17)	7m 18s
HTML test (10/17)	7m 24s
HTML test (13/17)	7m 37s
HTML test (16/17)	7m 11s
HTML test (15/17)	7m 18s
HTML test (14/17)	8m 3s
HTML test (17/17)	7m 28s
Merge test snapshots	3s
Merge test results	30s
	2h 27m 23s

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