feat: provider persistence + various fixes #5743

Job	Run time
unit-run (test_vector_embeddings.py)	57s
unit-run (test_client.py)	2m 21s
unit-run (test_client_legacy.py)	2m 37s
unit-run (test_server.py)	1m 22s
unit-run (test_v1_routes.py)	1m 0s
unit-run (test_local_client.py)	1m 11s
unit-run (test_managers.py)	1m 21s
unit-run (test_base_functions.py)	1m 24s
unit-run (test_tool_schema_parsing.py)	2m 58s
unit-run (test_tool_rule_solver.py)	59s
unit-run (test_memory.py)	1m 7s
unit-run (test_utils.py)	57s
unit-run (test_stream_buffer_readers.py)	56s
	19m 10s

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