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/commercial_family_duration_pattern.md

@@ -0,0 +1,64 @@
+---
+entity_slug: commercial_family_duration_pattern
+evaluator: null
+evaluated_at: '2026-02-23T04:58:00.302118'
+overall_score: 3.8
+scores:
+- name: definition_precision
+  value: 4.0
+  max_value: 5.0
+  rationale: The definition clearly captures a specific empirical observation about
+    wealth persistence patterns across different economic systems. It precisely contrasts
+    commercial vs. agricultural societies and identifies the causal mechanism (extravagant
+    spending vs. property consumability).
+- name: source_grounding
+  value: 5.0
+  max_value: 5.0
+  rationale: This entity directly reflects Smith's explicit observations in Book III,
+    Chapter 4 about the rarity of old wealthy families in commercial countries versus
+    their prevalence in non-commercial societies. The explanation about vanity, personal
+    expense, and consumable property is faithful to Smith's analysis.
+- name: domain_placement
+  value: 4.0
+  max_value: 5.0
+  rationale: '"General Theory" is appropriate as this represents a broad sociological
+    observation about commerce''s effects on social structures rather than a specific
+    economic mechanism. It bridges economic activity and social outcomes in Smith''s
+    theoretical framework.'
+- name: vsm_relevance
+  value: 2.0
+  max_value: 5.0
+  rationale: This entity describes a long-term social pattern rather than an operational
+    system component, making it difficult to map to any specific VSM system. It's
+    more of a systemic outcome or emergent property than a functional element of economic
+    organization.
+- name: explanatory_value
+  value: 4.0
+  max_value: 5.0
+  rationale: The entity illuminates an important structural relationship between commercial
+    development and social stratification patterns, explaining how different economic
+    systems affect wealth concentration and family continuity. It reveals a non-obvious
+    consequence of commercial society that connects economic and social dynamics.
+---
+
+# Evaluation: Commercial Family Duration Pattern
+
+## definition_precision — 4.0 / 5.0
+
+The definition clearly captures a specific empirical observation about wealth persistence patterns across different economic systems. It precisely contrasts commercial vs. agricultural societies and identifies the causal mechanism (extravagant spending vs. property consumability).
+
+## source_grounding — 5.0 / 5.0
+
+This entity directly reflects Smith's explicit observations in Book III, Chapter 4 about the rarity of old wealthy families in commercial countries versus their prevalence in non-commercial societies. The explanation about vanity, personal expense, and consumable property is faithful to Smith's analysis.
+
+## domain_placement — 4.0 / 5.0
+
+"General Theory" is appropriate as this represents a broad sociological observation about commerce's effects on social structures rather than a specific economic mechanism. It bridges economic activity and social outcomes in Smith's theoretical framework.
+
+## vsm_relevance — 2.0 / 5.0
+
+This entity describes a long-term social pattern rather than an operational system component, making it difficult to map to any specific VSM system. It's more of a systemic outcome or emergent property than a functional element of economic organization.
+
+## explanatory_value — 4.0 / 5.0
+
+The entity illuminates an important structural relationship between commercial development and social stratification patterns, explaining how different economic systems affect wealth concentration and family continuity. It reveals a non-obvious consequence of commercial society that connects economic and social dynamics.