infospace: process book-3-chapter-02

Extract entities, map to VSM, and synthesize analysis.

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

@@ -603,3 +603,44 @@
     finish_reason: stop
     duration_seconds: 143.3
     error: null
+- source_id: book-3-chapter-02
+  processed_at: '2026-02-19T19:30:22Z'
+  provider: openrouter
+  model: arcee-ai/trinity-large-preview:free
+  success: true
+  total_prompt_tokens: 40316
+  total_completion_tokens: 16171
+  total_cost: 0.0
+  total_duration_seconds: 720.4
+  total_retries: 0
+  stages:
+  - stage: extract-entities
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 11568
+    completion_tokens: 4403
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 146.3
+    error: null
+  - stage: map-to-vsm
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 6529
+    completion_tokens: 10000
+    cost: 0.0
+    finish_reason: length
+    duration_seconds: 449.5
+    error: null
+  - stage: synthesize-analysis
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 22219
+    completion_tokens: 1768
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 124.6
+    error: null