Fix extra segment handling in motivator generation for improved output formatting

services/motivator.py

@@ -47,6 +47,7 @@ async def generate_motivators(
     if offer:
         extra.append(f"Offer: {offer}")
     extra_block = "\n".join(extra) if extra else ""
+    extra_segment = f"\n{extra_block}" if extra_block else ""
 
     system = """You are a marketing strategist who uncovers the deepest emotional motivators behind purchases.
 Output only motivators: short, punchy statements in the customer's internal voice (first-person).
@@ -64,7 +65,7 @@ CONCEPT (visual HOW):
 - Name: {concept_name}
 - Structure: {concept_structure}
 - Visual: {concept_visual}
-{f"\n{extra_block}" if extra_block else ""}
+{extra_segment}
 
 Generate exactly {count} distinct emotional motivators that fit this angle and concept.
 Each motivator = one short statement, customer's internal voice.