chore(main): release 2.18.0

[github-actions]

🤖 I have created a release beep boop

2.18.0 (2026-06-18)

✨ Features

• add Cloudflare Terraform baseline (3cf6857)
• blog: organize archive by editorial category (b6752a6)
• blog: simplify archive layout (a6ef371)
• content: add emoji shortcode (5afeb3f)

🐛 Bug Fixes

• blog: remove post header separator (5b67bd2)
• blog: remove related posts section (9a4caca)

📚 Documentation

• add felix custom theme case study (dede9f9)
• add macos terraform install steps (9dad594)
• avoid managed challenge injection (94666ba)
• clarify explicit custom policy and public files (370c9d3)
• clarify managed ai crawler controls (afaec9a)
• clarify runtime blocklist source policy (7b71d39)
• clarify upgrade release source (c37bd38)
• clarify www apex redirect rule (9179489)
• clone latest code release in quickstart (0c51061)
• disable bot fight mode for strict csp (5e9f1bb)
• distinguish source and runtime link registries (16cc536)
• document content security policy (4a172b6)
• document custom page security profiles (7fbe415)
• document custom public doctor ignores (d33b459)
• document edge transformation controls (470135a)
• document localized tests protection (6f989fd)
• document proxied www dns record (6552c7d)
• document tree-only runtime link registry (7c983aa)
• document v8s-fix maintenance workflow (2d92f45)
• expand felix custom theme case study (d895be9)
• explain release and main upgrades (28158ae)
• feature felix page carousel (d3b1e9d)
• link footer overrides to custom page security (012c906)
• move Terraform reference to v8s-config (6781bf1)
• move upgrade faq into data (91ae994)
• prefer ai crawl control (f004c32)
• protect localized tests paths (f74da86)
• rename custom override settings (585c3c5)
• setup: simplify quickstart clone flow (4df19a3)

🧹 Chores

• document Terraform tool commands (d87c69b)

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