infospace: process book-1-chapter-03

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/entities/contract.md

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+# Contract
+
+## Definition
+
+A formal agreement between parties that establishes mutual obligations and rights, which Smith notes is uniquely human as animals do not engage in contractual arrangements, marking a fundamental distinction between human and animal economic behaviour.
+
+## Source Chapter
+
+Book I, Chapter 2
+
+## Context
+
+Smith uses the absence of contracts in animal behaviour to illustrate that the propensity to truck, barter, and exchange is uniquely human, distinguishing human economic organisation from animal interactions.
+
+## Economic Domain
+
+Exchange
+
+---