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Double-Loop Agent Development
Effective agent development requires constantly switching between editing agent instructions and observing agent execution
Decision Rule
When an agent fails, don't just fix the immediate issue - update the underlying instructions to prevent similar failures
How It Works
Agent fails → observe failure mode → update instructions → test again → repeat until robust
Failure Modes
Only fixing surface-level symptoms
Not testing changes thoroughly
Making too many changes at once
Example Decision
“Agent fails to find message button on LinkedIn. Instead of just showing it where the button is, update instructions to always look for message buttons in multiple locations.”