small nits (#138)

nerdai · web-flow · commit 87c11a652593 · 2025-08-23T11:24:06.000-04:00
diff --git a/uml/ch01/llm_agent_build_mental_model.puml b/uml/ch01/llm_agent_build_mental_model.puml
@@ -1,4 +1,11 @@
 @startmindmap llm_agent_build_mental_model
+
+<style>
+rootNode {
+  LineThickness 2.0
+}
+</style>
+
 * LLM Agent
 **_ Stage 3
 *** human in the loop
