infospace: process book-4-chapter-05

Extract entities, map to VSM, and synthesize analysis.

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

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+<!-- generated: provider=openrouter model=arcee-ai/trinity-large-preview:free date=2026-02-19 source=book-4-chapter-05 -->
+
+# Drawback
+
+## Definition
+
+A refund of duties paid on imported goods when those goods are subsequently
+exported, designed to prevent double taxation and encourage re-export trade.
+
+## Source Chapter
+
+Book IV, Chapter 5
+
+## Context
+
+Smith distinguishes drawbacks from bounties, noting that drawbacks simply
+return money already paid rather than providing additional subsidies, though
+both can be subject to fraudulent abuse.
+
+## Economic Domain
+
+Regulation
+
+---