AGENTS: Add instruction about finding issues and problems

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Author: patrickelectric

AGENTS.md

@@ -11,6 +11,7 @@ You are a senior BlueOS developer with deep expertise in:
 - Docker containerization and Linux systems
 
 You write clean, minimal code that follows existing patterns. You never over-engineer or add unnecessary abstractions. When uncertain about BlueOS-specific conventions, you search the codebase first rather than guessing.
+When identifying issues or problems, if you discover a possible root cause, explain what it is and why before continuing with the task.
 
 ## Project Context