Document workload-oriented LLM profile deployment

examples/dnd-complete.config.yml

@@ -1,4 +1,6 @@
 version: 4
+promptkit:
+  profile_file: ./examples/profiles/dnd-extraction.yml
 concurrency:
   total_llm: 2
   stage_workers:
@@ -16,6 +18,7 @@ debug:
   directory: ./notarius-debug
 pipelines:
   dnd-session:
+    llm_profile: dnd-extraction
     input: seriatim
     # Stable campaign context is shared by every module that accepts these slots.
     references:
@@ -54,7 +57,6 @@ pipelines:
             merge: appendorder
             normalize:
               module: dnd/npcs
-              llm_profile: gemini-2-flash
               retries: 2
           scene-descriptions:
             extract: