diff --git a/templates/book_chapter.yml b/templates/book_chapter.yml
index dc532a5..0e042f4 100644
--- a/templates/book_chapter.yml
+++ b/templates/book_chapter.yml
@@ -1,6 +1,7 @@
 name: book_chapter
 description: "Write one chapter — continuity check, draft, self-check, then spawn editorial review."
 debug: true
+rag_exclude: [business_plan, charter]
 system: agent_prompt
 
 requires:
@@ -444,7 +445,7 @@ steps:
           chapter_ref: "{chapter_ref}"
           chapter_number: "{chapter_number}"
           review_letter: "a"
-          character_profiles: "{character_profiles}"
+          character_profiles: "{character_profiles|}"
 
       - task_type: chapter_review
         task_name: "Review (Lane): {chapter_ref}"
@@ -459,7 +460,7 @@ steps:
           chapter_ref: "{chapter_ref}"
           chapter_number: "{chapter_number}"
           review_letter: "b"
-          character_profiles: "{character_profiles}"
+          character_profiles: "{character_profiles|}"
 
       - task_type: chapter_review
         task_name: "Review (Cora): {chapter_ref}"
@@ -474,7 +475,7 @@ steps:
           chapter_ref: "{chapter_ref}"
           chapter_number: "{chapter_number}"
           review_letter: "c"
-          character_profiles: "{character_profiles}"
+          character_profiles: "{character_profiles|}"
 
       - task_type: chapter_roundtable
         task_name: "Roundtable: {chapter_ref}"
@@ -490,7 +491,7 @@ steps:
           genre_audience: "{genre_audience}"
           chapter_ref: "{chapter_ref}"
           chapter_target_words: "{chapter_target_words}"
-          character_profiles: "{character_profiles}"
+          character_profiles: "{character_profiles|}"
         depends_on:
           - "Review (Devon): {chapter_ref}"
           - "Review (Lane): {chapter_ref}"