diff --git a/packages/services/evolution-service/src/infrastructure/database/entities/system-experience.orm.ts b/packages/services/evolution-service/src/infrastructure/database/entities/system-experience.orm.ts
index e90963c..bd86a51 100644
--- a/packages/services/evolution-service/src/infrastructure/database/entities/system-experience.orm.ts
+++ b/packages/services/evolution-service/src/infrastructure/database/entities/system-experience.orm.ts
@@ -47,8 +47,9 @@ export class SystemExperienceORM {
   @Column({ name: 'negative_count', default: 0 })
   negativeCount: number;
 
-  @Column('float', { array: true, nullable: true })
-  embedding: number[];
+  // pgvector VECTOR(1536) - exclude from default selects to avoid type conflicts
+  @Column({ type: 'text', name: 'embedding', nullable: true, select: false })
+  embedding: string;
 
   @Column({ name: 'is_active', default: false })
   isActive: boolean;