Rework evalbuff: commit learning, parallel agents, trace compression … #5999

Job	Run time
build-and-check	3m 7s
test-integration-packages/internal	1m 16s
test-integration-packages/billing	1m 5s
test-integration-common	50s
test-integration-packages/agent-runtime	50s
test-integration-sdk	4m 52s
test-integration-cli	43s
test-packages/agent-runtime	53s
test-sdk	53s
test-.agents	44s
test-packages/billing	52s
test-web	49s
test-integration-web	47s
test-common	42s
test-cli	55s
test-packages/internal	49s
	20m 7s

Provide feedback