infospace: process book-4-introduction

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/entities/economic-system-best-practice.md

@@ -0,0 +1,21 @@
+<!-- generated: provider=openrouter model=arcee-ai/trinity-large-preview:free date=2026-02-19 source=book-4-introduction -->
+
+# Economic System Best Practice
+
+## Definition
+
+The most effective and successful approaches, policies, and procedures within economic arrangements that have been demonstrated through experience to achieve desired outcomes, including the principles and methods that represent optimal economic practice.
+
+## Source Chapter
+
+Book IV, Chapter 0
+
+## Context
+
+Smith's discussion of different systems and their relative merits implies the importance of identifying and understanding best practices in economic arrangements and their role in achieving political economy's objectives.
+
+## Economic Domain
+
+General Theory
+
+---