fix: files messages stack #1943

Job	Run time
discover-testcases	6s
company-research-agent / cloud	1m 28s
chat-models / cloud	1m 29s
chat-models / alpha	1m 30s
company-research-agent / staging	1m 30s
chat-models / staging	1m 33s
dev-console / alpha	2m 25s
debug-breakpoints / staging	53s
dev-console / cloud	2m 21s
company-research-agent / alpha	1m 11s
debug-breakpoints / alpha	39s
init-flow / staging	1m 2s
ticket-classification / alpha	56s
ticket-classification / staging	51s
simple-local-mcp / staging	50s
init-flow / cloud	58s
simple-local-mcp / cloud	48s
simple-local-mcp / alpha	59s
dev-console / staging	2m 24s
init-flow / alpha	49s
ticket-classification / cloud	1m 2s
debug-breakpoints / cloud	50s
	26m 34s

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