Sprint 56h: fix spawn_list bug + add iris character_sheet support + voice sig auto-import

templates/chapter_review.yml

@@ -36,10 +36,14 @@ steps:
            List elements that are working well and must survive the editorial process unchanged.
            Be specific: quote or paraphrase the passage. Vague praise ("the writing is good")
            is not useful here.
-           ALSO CHECK: If a Character Bible or Voice Signatures section exists in the project
-           context, verify each named character's voice signature is present and distinct.
-           Can you identify each character's dialogue without speaker tags? Note whether
-           YES or NO for each main character.
+           ALSO CHECK VOICE SIGNATURES:
+           CHARACTER VOICE PROFILES:
+           {character_profiles}
+           If the above block is non-empty: verify each named character in this chapter
+           speaks to their profile. Can you identify each character's dialogue without
+           speaker tags? Note YES or NO for each main character.
+           If the block is empty: check RAG/project context for "## Voice Signatures"
+           and note whether voice differentiation is present.
 
         2. MUST-FIX — CONTINUITY
            List factual errors, POV breaks, timeline inconsistencies, or world-rule violations.