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/competition_among_dealers.md

@@ -0,0 +1,64 @@
+---
+entity_slug: competition_among_dealers
+evaluator: null
+evaluated_at: '2026-02-23T05:01:28.280123'
+overall_score: 4.6
+scores:
+- name: definition_precision
+  value: 4.0
+  max_value: 5.0
+  rationale: The definition clearly distinguishes competition among dealers as a specific
+    force that creates a price floor (dealers won't accept less than market price)
+    while ensuring price acceptance at market levels. It avoids circularity and captures
+    a distinct regulatory mechanism rather than general competitive behavior.
+- name: source_grounding
+  value: 5.0
+  max_value: 5.0
+  rationale: This entity is directly grounded in Smith's text from Book I, Chapter
+    7, with the exact quoted phrase "obliges them all to accept of this price, but
+    does not oblige them to accept of less." The concept represents Smith's actual
+    analysis of how dealer competition functions in price regulation.
+- name: domain_placement
+  value: 5.0
+  max_value: 5.0
+  rationale: The "Exchange" domain is perfectly appropriate since this concept deals
+    specifically with the mechanics of how prices are determined and accepted in market
+    transactions. It's fundamentally about the exchange process rather than production,
+    distribution, or consumption.
+- name: vsm_relevance
+  value: 4.0
+  max_value: 5.0
+  rationale: This maps well to S2 (coordination/anti-oscillation) as it describes
+    a mechanism that prevents price oscillations below natural levels and coordinates
+    market behavior among dealers. It could also relate to S3 as an internal market
+    regulation mechanism.
+- name: explanatory_value
+  value: 5.0
+  max_value: 5.0
+  rationale: "This entity illuminates a crucial structural mechanism in Smith's price\
+    \ theory\u2014how competition creates asymmetric pressure that establishes price\
+    \ floors while allowing market clearing. It explains the specific dynamics of\
+    \ how natural price equilibrium is maintained from the supply side."
+---
+
+# Evaluation: Competition Among Dealers
+
+## definition_precision — 4.0 / 5.0
+
+The definition clearly distinguishes competition among dealers as a specific force that creates a price floor (dealers won't accept less than market price) while ensuring price acceptance at market levels. It avoids circularity and captures a distinct regulatory mechanism rather than general competitive behavior.
+
+## source_grounding — 5.0 / 5.0
+
+This entity is directly grounded in Smith's text from Book I, Chapter 7, with the exact quoted phrase "obliges them all to accept of this price, but does not oblige them to accept of less." The concept represents Smith's actual analysis of how dealer competition functions in price regulation.
+
+## domain_placement — 5.0 / 5.0
+
+The "Exchange" domain is perfectly appropriate since this concept deals specifically with the mechanics of how prices are determined and accepted in market transactions. It's fundamentally about the exchange process rather than production, distribution, or consumption.
+
+## vsm_relevance — 4.0 / 5.0
+
+This maps well to S2 (coordination/anti-oscillation) as it describes a mechanism that prevents price oscillations below natural levels and coordinates market behavior among dealers. It could also relate to S3 as an internal market regulation mechanism.
+
+## explanatory_value — 5.0 / 5.0
+
+This entity illuminates a crucial structural mechanism in Smith's price theory—how competition creates asymmetric pressure that establishes price floors while allowing market clearing. It explains the specific dynamics of how natural price equilibrium is maintained from the supply side.