infospace: process book-4-chapter-01

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/processing-log.yaml

@@ -767,3 +767,44 @@
     finish_reason: stop
     duration_seconds: 172.5
     error: null
+- source_id: book-4-chapter-01
+  processed_at: '2026-02-19T20:13:08Z'
+  provider: openrouter
+  model: arcee-ai/trinity-large-preview:free
+  success: true
+  total_prompt_tokens: 51539
+  total_completion_tokens: 15409
+  total_cost: 0.0
+  total_duration_seconds: 656.9
+  total_retries: 0
+  stages:
+  - stage: extract-entities
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 18303
+    completion_tokens: 3670
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 163.3
+    error: null
+  - stage: map-to-vsm
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 5797
+    completion_tokens: 10000
+    cost: 0.0
+    finish_reason: length
+    duration_seconds: 407.2
+    error: null
+  - stage: synthesize-analysis
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 27439
+    completion_tokens: 1739
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 86.4
+    error: null