docs: add maintainability anti-pattern to Agentic Loops

Warn against generating large codebases you don't understand or know
how to maintain - a key risk of long autonomous coding sessions.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: PaulDuvall

experiments/NOTES.md

@@ -98,6 +98,7 @@ This file tracks patterns under exploration that may eventually be formalized in
 - Vague completion criteria ("make it good" vs. explicit success metrics)
 - Tasks requiring human judgment or design decisions
 - Prompts without self-correction guidance (test → fix → retry cycles)
+- Generating large codebases you don't understand or know how to maintain
 
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