[Landing] Update headings and descriptions for clarity in README, installation, and quickstart guides to amplify agentic orchestration (WIP) #6733

Job	Run time
compute-version	3s
build-docs / build-docs	1m 20s
build-artifacts / code-lint	47s
build-artifacts / runner-test (ubuntu-latest)	1m 6s
build-artifacts / frontend-build	8s
build-artifacts / runner-test (macos-latest)	1m 3s
build-artifacts / gateway-build	11s
build-artifacts / generate-json-schema	19s
build-artifacts / python-build	20s
build-artifacts / python-test (macos-latest, 3.12)	2m 47s
build-artifacts / python-test (macos-latest, 3.11)	3m 52s
build-artifacts / python-test (macos-latest, 3.10)	2m 50s
build-artifacts / python-test (windows-latest, 3.10)	2m 22s
build-artifacts / python-test (ubuntu-latest, 3.9)	10m 1s
build-artifacts / python-test (ubuntu-latest, 3.11)	9m 37s
build-artifacts / python-test (ubuntu-latest, 3.13)	9m 42s
build-artifacts / python-test (ubuntu-latest, 3.10)	10m 8s
build-artifacts / python-test (ubuntu-latest, 3.12)	9m 43s
build-artifacts / python-test (windows-latest, 3.12)	2m 14s
build-artifacts / python-test (windows-latest, 3.9)	2m 40s
build-artifacts / python-test (windows-latest, 3.13)	2m 48s
build-artifacts / python-test (macos-latest, 3.9)	2m 37s
build-artifacts / python-test (windows-latest, 3.11)	2m 14s
build-artifacts / python-test (macos-latest, 3.13)	3m 3s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	29s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	24s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	19s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	18s
	1h 23m 25s

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