infospace: process book-4-introduction

Extract entities, map to VSM, and synthesize analysis.

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

@@ -570,3 +570,29 @@
     concern: C1
   metadata:
     source: collection-checks
+- snapshot_id: 8b9c77d8
+  created_at: '2026-02-19T19:46:21.560554+00:00'
+  schema_name: default
+  entity_count: 593
+  entity_evaluations: []
+  collection_metrics:
+  - name: coherence_components
+    value: 0.0
+    concern: C3
+  - name: consistency_cycles
+    value: 0.0
+    concern: C4
+  - name: coverage_ratio
+    value: 0.575
+    concern: C2
+  - name: granularity_entropy
+    value: 2.9983768290604895
+    concern: C5
+  - name: modularity
+    value: 0.0
+    concern: C3
+  - name: redundancy_ratio
+    value: 0.006745362563237774
+    concern: C1
+  metadata:
+    source: collection-checks

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

@@ -1,6 +1,6 @@
 coherence_components: 0.0
 consistency_cycles: 0.0
-coverage_ratio: 0.565789
-granularity_entropy: 2.97621
+coverage_ratio: 0.575
+granularity_entropy: 2.998377
 modularity: 0.0
-redundancy_ratio: 0.006885
+redundancy_ratio: 0.006745