infospace: process book-1-chapter-04

Extract entities, map to VSM, and synthesize analysis.

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

@@ -29,3 +29,44 @@
     finish_reason: length
     duration_seconds: 175.1
     error: null
+- source_id: book-1-chapter-04
+  processed_at: '2026-02-19T14:12:53Z'
+  provider: openrouter
+  model: arcee-ai/trinity-large-preview:free
+  success: true
+  total_prompt_tokens: 25186
+  total_completion_tokens: 10573
+  total_cost: 0.0
+  total_duration_seconds: 397.8
+  total_retries: 0
+  stages:
+  - stage: extract-entities
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 6323
+    completion_tokens: 2840
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 156.0
+    error: null
+  - stage: map-to-vsm
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 4967
+    completion_tokens: 6000
+    cost: 0.0
+    finish_reason: length
+    duration_seconds: 184.0
+    error: null
+  - stage: synthesize-analysis
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 13896
+    completion_tokens: 1733
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 57.8
+    error: null