infospace: process book-4-chapter-04

Extract entities, map to VSM, and synthesize analysis.

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

@@ -674,3 +674,29 @@
     concern: C1
   metadata:
     source: collection-checks
+- snapshot_id: 1a627e11
+  created_at: '2026-02-19T20:31:42.053539+00:00'
+  schema_name: default
+  entity_count: 755
+  entity_evaluations: []
+  collection_metrics:
+  - name: coherence_components
+    value: 0.0
+    concern: C3
+  - name: consistency_cycles
+    value: 0.0
+    concern: C4
+  - name: coverage_ratio
+    value: 0.5138888888888888
+    concern: C2
+  - name: granularity_entropy
+    value: 2.9687836255062288
+    concern: C5
+  - name: modularity
+    value: 0.0
+    concern: C3
+  - name: redundancy_ratio
+    value: 0.007947019867549669
+    concern: C1
+  metadata:
+    source: collection-checks