Expand AGENTS.md with comprehensive Bati compile syntax documentation

[Copilot]

The AGENTS.md Boilerplate File Syntax section was incomplete, missing most compile syntaxes documented in boilerplates/README.md.

Changes

• Reference link to boilerplates/README.md for full documentation
• Special file names table with priority order (filename < !filename < $filename.ts < !$filename.ts)
• JS/TS/Vue syntax patterns:
  • If/else and ternary with BATI.has()
  • Comment-based conditionals (// BATI.has(), //# BATI.has())
  • /*# BATI include-if-imported #*/
  • BATI.Any type casting, BATI.If<> conditional types
• JSX/TSX conditional attributes via //# BATI.has() comments
• HTML/Vue template conditional elements via <!-- BATI.has() -->
• SquirellyJS syntax for any file extension: /*{ @if (it.BATI.has("...")) }*/
• Important notes on unsupported patterns, auto-cleanup of unused imports, prettier formatting

Example JSX conditional attribute:

<div
  //# BATI.has("tailwindcss")
  class="p-5"
  //# !BATI.has("tailwindcss")
  style={{ padding: "20px" }}
>

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• googlechromelabs.github.io
  • Triggering command: /usr/local/bin/node node install.mjs (dns block)
• https://storage.googleapis.com/chrome-for-testing-public/142.0.7444.175/linux64/chrome-linux64.zip
  • Triggering command: /usr/local/bin/node node install.mjs (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

Update AGENTS.md (or create a new one in boilerplates) to reference all Bati specific compile syntaxes and behaviours that are references in boilerplates/README.md

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