infospace: process book-3-chapter-03

Extract entities, map to VSM, and synthesize analysis.

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

@@ -644,3 +644,44 @@
     finish_reason: stop
     duration_seconds: 124.6
     error: null
+- source_id: book-3-chapter-03
+  processed_at: '2026-02-19T19:40:35Z'
+  provider: openrouter
+  model: arcee-ai/trinity-large-preview:free
+  success: true
+  total_prompt_tokens: 32341
+  total_completion_tokens: 9855
+  total_cost: 0.0
+  total_duration_seconds: 487.1
+  total_retries: 0
+  stages:
+  - stage: extract-entities
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 11420
+    completion_tokens: 2784
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 138.7
+    error: null
+  - stage: map-to-vsm
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 4910
+    completion_tokens: 5760
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 271.1
+    error: null
+  - stage: synthesize-analysis
+    retries: 0
+    provider: openrouter
+    model: arcee-ai/trinity-large-preview:free
+    prompt_tokens: 16011
+    completion_tokens: 1311
+    cost: 0.0
+    finish_reason: stop
+    duration_seconds: 77.3
+    error: null