infospace: process book-1-chapter-03

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/entities/machinery-invention.md

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+# Machinery Invention
+
+## Definition
+
+The creation of mechanical devices that facilitate and abridge labour, often emerging as a consequence of the division of labour when workers focus their attention on improving specific production processes.
+
+## Source Chapter
+
+Book I, Chapter 1
+
+## Context
+
+Smith identifies machinery invention as the third benefit of division of labour, arguing that concentrated attention on specific tasks leads workers to discover labour-saving mechanical improvements.
+
+## Economic Domain
+
+Production
+
+---