docs: update agent guidelines to minimize documentation verbosity

AGENTS.md

@@ -10,7 +10,7 @@ This section outlines the universal rules and expectations for any LLM agent wor
 
 **Maintain Context:** Before making any changes, an agent must read and understand the relevant files, including the project's main documentation and existing code structure.
 
-**Be Sparse:** Only introduce new code if needed. Comment only what is worth commenting. When testing focus on the business use case.
+**Be Sparse:** Only introduce new code if needed. Comment only what is worth commenting. When testing focus on the business use case. When writing documentations keep the explanation to a minimum.
 
 ## Project structure
 

AGENTS.md.template

@@ -14,7 +14,7 @@ This section outlines the universal rules and expectations for any LLM agent wor
 
 **Maintain Context:** Before making any changes, an agent must read and understand the relevant files, including the project's main documentation and existing code structure.
 
-**Be Sparse:** Only introduce new code if needed. Comment only what is worth commenting. When testing focus on the business use case. 
+**Be Sparse:** Only introduce new code if needed. Comment only what is worth commenting. When testing focus on the business use case. When writing documentations keep the explanation to a minimum.
 
 ## Project structure