Three table headers introduced in recent agent-runtime / Codex-harness
doc commits used Title Case despite the surrounding house style:
- agent-runtimes.md L17: 'What It Means' -> 'What it means'
- agent-runtimes.md L100: 'Why It Matters' -> 'Why it matters'
- codex-harness.md L615: 'V1 Boundary' / 'Future Path' ->
'V1 boundary' / 'Future path' (V1 stays as the recognized acronym)