id: TASK-027-ECR027
ecr: ECR-027
title: AICoreConfig · KnowledgeChunk（只读薄切片）
role: engineer
status: closed
change_level: L2
parent: WAVE0-FROZEN
predecessor: ECR-026
acceptance:
  - Spec AC mapped
  - KnowledgeChunk read only
  - No UGC / payment