feat: introduce mental models #430

Job	Run time
build-typescript-client	10s
test-rust-cli	2m 42s
test-typescript-client	1m 45s
build-docs	1m 37s
build-api-python-versions (3.11)	8s
lint-helm-chart	5s
build-python-packages (hindsight-all, hindsight)	12s
test-api	6m 25s
build-python-packages (hindsight-client, hindsight-clients/python)	8s
build-docker-images (cp-only, control-plane)	4m 6s
test-integration	1m 44s
test-python-client	1m 34s
build-python-packages (hindsight-embed, hindsight-embed)	7s
test-litellm-integration	20s
build-python-packages (hindsight-api, hindsight-api)	9s
verify-generated-files	3m 57s
build-api-python-versions (3.13)	10s
build-docker-images (api-only, api)	5m 31s
test-rust-client	1m 44s
build-docker-images (standalone, standalone)	6m 50s
build-api-python-versions (3.12)	8s
test-embed	1m 26s
build-control-plane	59s
test-doc-examples	0s
	41m 57s

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