Improves deserialization efficiency for agents. #411

Job	Run time
Code Coverage	25m 3s
Build Example Application UIs (stocks_simulated/ui, npm install && npm run build)	15s
Clippy	1m 19s
Check (windows-latest)	3m 3s
Check (ubuntu-latest)	1m 4s
Documentation	59s
Check (macos-latest)	1m 55s
Rustfmt	21s
Test (windows-latest)	5m 33s
Test (ubuntu-latest)	2m 47s
Test (macos-latest)	3m 1s
	45m 20s

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