[Landing] Update headings and descriptions for clarity in README, installation, and quickstart guides to amplify agentic orchestration (WIP) #6738

Job	Run time
compute-version	3s
build-docs / build-docs	1m 18s
build-artifacts / gateway-build	10s
build-artifacts / runner-test (ubuntu-latest)	1m 2s
build-artifacts / code-lint	48s
build-artifacts / frontend-build	8s
build-artifacts / runner-test (macos-latest)	1m 22s
build-artifacts / python-build	19s
build-artifacts / generate-json-schema	19s
build-artifacts / python-test (macos-latest, 3.13)	3m 38s
build-artifacts / python-test (ubuntu-latest, 3.12)	9m 40s
build-artifacts / python-test (ubuntu-latest, 3.11)	10m 16s
build-artifacts / python-test (windows-latest, 3.10)	2m 11s
build-artifacts / python-test (macos-latest, 3.10)	3m 2s
build-artifacts / python-test (ubuntu-latest, 3.13)	9m 57s
build-artifacts / python-test (ubuntu-latest, 3.9)	10m 42s
build-artifacts / python-test (windows-latest, 3.12)	2m 25s
build-artifacts / python-test (windows-latest, 3.9)	3m 52s
build-artifacts / python-test (windows-latest, 3.13)	2m 17s
build-artifacts / python-test (macos-latest, 3.11)	3m 10s
build-artifacts / python-test (windows-latest, 3.11)	2m 24s
build-artifacts / python-test (ubuntu-latest, 3.10)	10m 21s
build-artifacts / python-test (macos-latest, 3.9)	3m 12s
build-artifacts / python-test (macos-latest, 3.12)	2m 59s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	27s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	27s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	14s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	23s
	1h 27m 6s

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