infospace: process book-3-chapter-04

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/metrics/history.yaml

@@ -544,3 +544,29 @@
     concern: C1
   metadata:
     source: collection-checks
+- snapshot_id: c0a3a2f7
+  created_at: '2026-02-19T19:40:36.127574+00:00'
+  schema_name: default
+  entity_count: 581
+  entity_evaluations: []
+  collection_metrics:
+  - name: coherence_components
+    value: 0.0
+    concern: C3
+  - name: consistency_cycles
+    value: 0.0
+    concern: C4
+  - name: coverage_ratio
+    value: 0.5657894736842105
+    concern: C2
+  - name: granularity_entropy
+    value: 2.976210216312238
+    concern: C5
+  - name: modularity
+    value: 0.0
+    concern: C3
+  - name: redundancy_ratio
+    value: 0.0068846815834767644
+    concern: C1
+  metadata:
+    source: collection-checks