fix: Use correct field name 'classification' instead of 'atomic_type'

Component model uses 'classification' field for AtomicType enum

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/figma-sync.py

@@ -128,7 +128,7 @@ async def main():
         "components": [
             {
                 "name": c.name,
-                "atomic_type": c.atomic_type.value if hasattr(c.atomic_type, 'value') else str(c.atomic_type),
+                "classification": c.classification.value if hasattr(c.classification, 'value') else str(c.classification),
                 "variant_count": len(c.variants) if c.variants else 0,
             }
             for c in components