Adopt Audita v2 configuration and subprocess contract

examples/pipeline.full.annotated.yml

@@ -93,19 +93,14 @@ audita:
   # Optional overrides; defaults shown explicitly where applicable.
   binary: audita
   timeout: 3h
-  llm_api_key: AUDITA_LLM_API_KEY
+  credentials: [AUDITA_LLM_API_KEY]
   modules: [glossary, homophones, spoken_word, grammar]
-  base_url: ""
-  model: ""
-  total_llm_concurrency: 2
-  proposal_llm_concurrency: 1
-  validation_model: ""
-  validation_llm_concurrency: 1
+  overlay: ""
+  proposal_profile: ""
+  validation_profile: ""
   transcript_description: ""
   config_path: /usr/local/etc/audita/config.yml
   output_schema: audita-v1
-  work_dir_retention: auto
-  report: true
 
 normalize:
   # Optional; defaults shown explicitly.