修改

backend/sql/add_employment_insurance_eligible.sql

@@ -0,0 +1,5 @@
+-- 雇用保険加入対象フラグを salary_settings テーブルに追加
+ALTER TABLE salary_settings 
+ADD COLUMN IF NOT EXISTS employment_insurance_eligible BOOLEAN DEFAULT TRUE;
+
+COMMENT ON COLUMN salary_settings.employment_insurance_eligible IS '雇用保険加入対象: true=対象、false=非対象';