[Landing] Update headings and descriptions for clarity in README, installation, and quickstart guides to amplify agentic orchestration (WIP) #6734

Job	Run time
build-docs / build-docs	1m 24s
compute-version	4s
build-artifacts / runner-test (macos-latest)	1m 5s
build-artifacts / gateway-build	15s
build-artifacts / code-lint	43s
build-artifacts / frontend-build	8s
build-artifacts / runner-test (ubuntu-latest)	1m 4s
build-artifacts / generate-json-schema	22s
build-artifacts / python-build	20s
build-artifacts / python-test (macos-latest, 3.12)	4m 22s
build-artifacts / python-test (windows-latest, 3.11)	2m 13s
build-artifacts / python-test (macos-latest, 3.9)	2m 47s
build-artifacts / python-test (ubuntu-latest, 3.10)	10m 20s
build-artifacts / python-test (macos-latest, 3.13)	2m 50s
build-artifacts / python-test (windows-latest, 3.10)	2m 10s
build-artifacts / python-test (ubuntu-latest, 3.13)	9m 53s
build-artifacts / python-test (windows-latest, 3.12)	2m 17s
build-artifacts / python-test (ubuntu-latest, 3.12)	9m 30s
build-artifacts / python-test (windows-latest, 3.13)	2m 23s
build-artifacts / python-test (macos-latest, 3.11)	2m 51s
build-artifacts / python-test (ubuntu-latest, 3.9)	10m 18s
build-artifacts / python-test (windows-latest, 3.9)	2m 50s
build-artifacts / python-test (ubuntu-latest, 3.11)	9m 35s
build-artifacts / python-test (macos-latest, 3.10)	3m 34s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	29s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	32s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	20s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	23s
	1h 25m 2s

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