infospace: process book-1-chapter-03

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/entities/productive-powers-of-labour.md

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+# Productive Powers of Labour
+
+## Definition
+
+The capacity of labour to generate output, which Smith argues is substantially enhanced through the division of labour, resulting in greater skill, dexterity, and judgment in the application of labour.
+
+## Source Chapter
+
+Book I, Chapter 1
+
+## Context
+
+Smith identifies the division of labour as the primary source of improvements in productive powers of labour, using the pin factory example to demonstrate how specialisation multiplies output.
+
+## Economic Domain
+
+Production
+
+---