KPI通用化: bsc_layer_config表+API+企业选择器+企业CRUD

backend/app/models/__init__.py

@@ -282,6 +282,17 @@ class BiReport(Base):
     updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())
 
 
+class BscLayerConfig(Base):
+    """BSC四层配置 — 不同企业的权重配置"""
+    __tablename__ = "bsc_layer_config"
+    id = Column(Integer, primary_key=True, index=True)
+    entity_id = Column(Integer, ForeignKey("entities.id"), nullable=False, comment="企业ID")
+    layer = Column(String(20), nullable=False, comment="financial/customer/process/learning")
+    weight = Column(Float, nullable=False, comment="该层权重（%）")
+    kpi_count_min = Column(Integer, default=2, comment="最少KPI数")
+    kpi_count_max = Column(Integer, default=5, comment="最多KPI数")
+
+
 # 兼容性: P2开发新增的模板API需要的模型
 # KPIDefinition 已存在，KPITemplate映射到同一定义
 KPITemplate = KPIDefinition