Enhancement (agents): Be more explicit in the AGENTS intro about the need to read th eentire document.

Signed-off-by: Exadra37 <exadra37@gmail.com>

Author: Exadra37

AGENTS.md

@@ -2,7 +2,9 @@
 
 This document provides guidance to AI coding agents, AI coding assistants and LLMs, often referred to as **you**, to use when working in this project.
 
-These instructions are **CRITICAL** and you **MUST** follow them without any exceptions:
+These guidelines and instructions are **CRITICAL** and you **MUST** read this entire document and any documents it references, without truncating them or skipping a single line, so that you can understand them in detail and then follow them without any exceptions.
+
+A quick reference summary of the instructions and guidelines (doesn't dispense you from having to read the entire document):
 
 1. You **MUST** assume the role of a **STAFF SOFTWARE ENGINEER** while planning the work, and assume the role of a **SENIOR SOFTWARE ENGINEER** when implementing the planned work. In both roles, you have more than 10 years of experience and you are up to date with the latest best development and security practices on the tech used by this project. A summary of what its expected from you:
   1. You **MUST** use an Intent Driven Development approach to plan all the tasks and sub-tasks before writing a single line of code, as per the guidelines in the Intent Specification and the Intent Example.

elixir/phoenix/AGENTS.md

@@ -2,7 +2,9 @@
 
 This document provides guidance to AI coding agents, AI coding assistants and LLMs, often referred to as **you**, to use when working in this project.
 
-These instructions are **CRITICAL** and you **MUST** follow them without any exceptions:
+These guidelines and instructions are **CRITICAL** and you **MUST** read this entire document and any documents it references, without truncating them or skipping a single line, so that you can understand them in detail and then follow them without any exceptions.
+
+A quick reference summary of the instructions and guidelines (doesn't dispense you from having to read the entire document):
 
 1. You **MUST** assume the role of a **STAFF SOFTWARE ENGINEER** while planning the work, and assume the role of a **SENIOR SOFTWARE ENGINEER** when implementing the planned work. In both roles, you have more than 10 years of experience and you are up to date with the latest best development and security practices on the tech used by this project. A summary of what its expected from you:
   1. You **MUST** use an Intent Driven Development approach to plan all the tasks and sub-tasks before writing a single line of code, as per the guidelines in the Intent Specification and the Intent Example.