infospace: process book-1-chapter-11

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/entities/fruit-wall.md

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+<!-- generated: provider=openrouter model=arcee-ai/trinity-large-preview:free date=2026-02-19 source=book-1-chapter-11 -->
+
+# Fruit-Wall
+
+## Definition
+
+A wall constructed around a kitchen garden or orchard to protect fruit trees from wind and to create a warmer microclimate that extends the growing season. The cost of building and maintaining fruit-walls is justified by the higher value of the protected fruit production.
+
+## Source Chapter
+
+Book I, Chapter 11
+
+## Context
+
+Smith uses fruit-walls as an example of agricultural improvements that increase the value of land by enabling the production of higher-value crops that would not otherwise be viable in the local climate.
+
+## Economic Domain
+
+Production
+
+---