feat: add debug:true to all templates; add LLM_LOG_DIR config

templates/author_bio.yml

@@ -1,5 +1,6 @@
 name: author_bio
 description: "Write a professional author bio and media kit for press, social, and book listings."
+debug: true
 system: agent_prompt
 agent_prompt:
   - "= identity.md"
@@ -72,12 +73,16 @@ adjudication:
     voice_authenticity:
       weight: 30
       description: "Bio reads like a real person, not a press release — specific details, no generic praise"
+debug: true
     length_variants:
       weight: 25
       description: "All four bio lengths are present and appropriately sized for their use case"
+debug: true
     social_optimization:
       weight: 25
       description: "Social bios fit platform character limits and match platform tone"
+debug: true
     completeness:
       weight: 20
       description: "All sections present: short/medium/long bio, first-person, social bios, contact block"
+debug: true