feat(example): add per-entity LLM evaluations for 985 WoN entities (S3.3)

Batch evaluation of all 988 entities via OpenRouter. 984 succeeded on
first pass; 3 failed (network errors). eval-summary --update-metrics
written with per_entity_mean=3.9556.

Viability dashboard: 6/6 PASS
  redundancy_ratio   0.0061  (max 0.10)
  coverage_ratio     0.6190  (min 0.40)
  coherence_comps    0.0000  (max 3)
  consistency_cycles 0.0000  (max 0)
  granularity_entropy 2.6748 (min 1.0)
  per_entity_mean    3.9556  (min 3.5)

Dimension breakdown (mean across 985 entities):
  definition_precision  3.62
  source_grounding      4.36
  domain_placement      4.56
  vsm_relevance         3.31
  explanatory_value     3.94

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

examples/infospace-with-history/output/evaluations/silver_price_variation.md

@@ -0,0 +1,64 @@
+---
+entity_slug: silver_price_variation
+evaluator: null
+evaluated_at: '2026-02-23T06:21:30.147355'
+overall_score: 4.6
+scores:
+- name: definition_precision
+  value: 4.0
+  max_value: 5.0
+  rationale: The definition clearly specifies what is being measured (silver value
+    relative to other commodities, particularly corn) and identifies the key causal
+    factors (supply from mines, demand from commerce). It avoids circularity and captures
+    a distinct economic phenomenon rather than a vague concept.
+- name: source_grounding
+  value: 5.0
+  max_value: 5.0
+  rationale: This entity is directly grounded in Smith's detailed empirical analysis
+    in Book I, Chapter 11, where he extensively examines historical silver price data
+    relative to corn over four centuries. The entity accurately reflects Smith's actual
+    investigation rather than imposing external concepts.
+- name: domain_placement
+  value: 5.0
+  max_value: 5.0
+  rationale: The "Exchange" domain is perfectly appropriate since this entity concerns
+    the relative exchange values between silver and other commodities over time. This
+    is fundamentally about exchange relationships and price mechanisms in markets.
+- name: vsm_relevance
+  value: 4.0
+  max_value: 5.0
+  rationale: This entity maps well to S4 (intelligence/environmental adaptation) as
+    it represents the economic system's response to environmental changes in silver
+    supply and commercial demand. It also connects to S1 as it affects primary market
+    operations through changing relative values.
+- name: explanatory_value
+  value: 5.0
+  max_value: 5.0
+  rationale: This entity provides substantial explanatory power by illuminating the
+    mechanism through which precious metal values adjust to supply and demand changes,
+    serving as evidence for Smith's broader theories about wealth, commerce, and monetary
+    systems. It reveals structural relationships between mining output, commercial
+    development, and price formation.
+---
+
+# Evaluation: Silver Price Variation
+
+## definition_precision — 4.0 / 5.0
+
+The definition clearly specifies what is being measured (silver value relative to other commodities, particularly corn) and identifies the key causal factors (supply from mines, demand from commerce). It avoids circularity and captures a distinct economic phenomenon rather than a vague concept.
+
+## source_grounding — 5.0 / 5.0
+
+This entity is directly grounded in Smith's detailed empirical analysis in Book I, Chapter 11, where he extensively examines historical silver price data relative to corn over four centuries. The entity accurately reflects Smith's actual investigation rather than imposing external concepts.
+
+## domain_placement — 5.0 / 5.0
+
+The "Exchange" domain is perfectly appropriate since this entity concerns the relative exchange values between silver and other commodities over time. This is fundamentally about exchange relationships and price mechanisms in markets.
+
+## vsm_relevance — 4.0 / 5.0
+
+This entity maps well to S4 (intelligence/environmental adaptation) as it represents the economic system's response to environmental changes in silver supply and commercial demand. It also connects to S1 as it affects primary market operations through changing relative values.
+
+## explanatory_value — 5.0 / 5.0
+
+This entity provides substantial explanatory power by illuminating the mechanism through which precious metal values adjust to supply and demand changes, serving as evidence for Smith's broader theories about wealth, commerce, and monetary systems. It reveals structural relationships between mining output, commercial development, and price formation.