infospace: process book-4-introduction

Extract entities, map to VSM, and synthesize analysis.

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

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+
+# Economic System Implementation
+
+## Definition
+
+The practical application and operationalization of chosen economic principles and arrangements within a society, involving the establishment of institutions, policies, and practices that realize the theoretical framework of the selected economic system.
+
+## Source Chapter
+
+Book IV, Chapter 0
+
+## Context
+
+While not explicitly discussed by Smith in this chapter, the concept of implementation is implied in his discussion of how different systems are actually practiced in different nations and historical periods.
+
+## Economic Domain
+
+Regulation
+
+---