feat: refactor agent memory representation and modify routes for editing blocks #5011

Job	Run time
run-core-unit-tests (test_client.py)	2m 40s
run-core-unit-tests (test_local_client.py)	1m 5s
run-core-unit-tests (test_client_legacy.py)	4m 6s
run-core-unit-tests (test_server.py)	1m 1s
run-core-unit-tests (test_managers.py)	45s
run-core-unit-tests (test_o1_agent.py)	2m 18s
run-core-unit-tests (test_tool_rule_solver.py)	45s
run-core-unit-tests (test_agent_tool_graph.py)	55s
run-core-unit-tests (test_tool_execution_sandbox.py)	1m 20s
run-core-unit-tests (test_utils.py)	44s
misc-unit-tests	0s
	15m 39s

Provide feedback