infospace: process book-1-chapter-03

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/entities/pin-maker-trade.md

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+# Pin-Maker Trade
+
+## Definition
+
+A specialised manufacturing occupation focused on producing pins through a series of distinct operations, used by Smith as his primary example of division of labour's effects on productivity.
+
+## Source Chapter
+
+Book I, Chapter 1
+
+## Context
+
+Smith uses the pin-maker trade to illustrate how dividing 18 distinct operations among specialised workers dramatically increases output compared to a single worker performing all operations.
+
+## Economic Domain
+
+Production
+
+---