[Landing] Update headings and descriptions for clarity in README, installation, and quickstart guides to amplify agentic orchestration (WIP) #6728

Job	Run time
compute-version	3s
build-docs / build-docs	1m 18s
build-artifacts / gateway-build	10s
build-artifacts / runner-test (macos-latest)	1m 8s
build-artifacts / frontend-build	11s
build-artifacts / code-lint	44s
build-artifacts / runner-test (ubuntu-latest)	1m 8s
build-artifacts / generate-json-schema	22s
build-artifacts / python-build	21s
build-artifacts / python-test (macos-latest, 3.11)	2m 44s
build-artifacts / python-test (macos-latest, 3.9)	2m 41s
build-artifacts / python-test (macos-latest, 3.10)	2m 42s
build-artifacts / python-test (macos-latest, 3.13)	3m 1s
build-artifacts / python-test (ubuntu-latest, 3.10)	10m 8s
build-artifacts / python-test (macos-latest, 3.12)	3m 28s
build-artifacts / python-test (windows-latest, 3.10)	2m 23s
build-artifacts / python-test (windows-latest, 3.9)	2m 56s
build-artifacts / python-test (ubuntu-latest, 3.13)	9m 25s
build-artifacts / python-test (ubuntu-latest, 3.9)	10m 32s
build-artifacts / python-test (ubuntu-latest, 3.12)	9m 19s
build-artifacts / python-test (ubuntu-latest, 3.11)	8m 13s
build-artifacts / python-test (windows-latest, 3.13)	2m 25s
build-artifacts / python-test (windows-latest, 3.11)	2m 42s
build-artifacts / python-test (windows-latest, 3.12)	2m 24s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	29s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	27s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	16s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	18s
	1h 21m 58s

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