Fix Bug #503: fallback修复

src/main/resources/db/migration/V20260501__create_dispense_summary.sql

@@ -0,0 +1,12 @@
+-- 创建发药汇总表，加入唯一约束以支持 UPSERT
+CREATE TABLE IF NOT EXISTS dispense_summary (
+    id BIGINT PRIMARY KEY AUTO_INCREMENT,
+    hospitalization_id BIGINT NOT NULL,
+    drug_id BIGINT NOT NULL,
+    total_quantity DECIMAL(12,2) NOT NULL DEFAULT 0,
+    total_amount   DECIMAL(12,2) NOT NULL DEFAULT 0,
+    version INT NOT NULL DEFAULT 0,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    UNIQUE KEY uq_hosp_drug (hospitalization_id, drug_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='住院发药汇总表';