task-48: invalid ASIN 记录改为批量 INSERT IGNORE/upsert，唯一键扩为 (data_value, brand)

backend-java/src/main/resources/application.yml

@@ -263,6 +263,7 @@ aiimage:
     max-chunk-rows: ${AIIMAGE_COLLECT_DATA_MAX_CHUNK_ROWS:0}
     brand-check-batch-size: ${AIIMAGE_COLLECT_DATA_BRAND_CHECK_BATCH_SIZE:10}
     brand-check-cache-capacity: ${AIIMAGE_COLLECT_DATA_BRAND_CHECK_CACHE_CAPACITY:512}
+    invalid-asin-batch-size: ${AIIMAGE_COLLECT_DATA_INVALID_ASIN_BATCH_SIZE:100}
   image-video:
     coze-base-url: ${AIIMAGE_IMAGE_VIDEO_COZE_BASE_URL:https://api.coze.cn}
     coze-token: ${AIIMAGE_IMAGE_VIDEO_COZE_TOKEN:sat_Ws4VB1caOPasDivpKIvtOySYx3lhKgQ95H3crIh0tBwiNYtPTyi6bqe0pBaRzpVu}

backend-java/src/main/resources/db/V94__invalid_asin_data_value_brand_unique_key.sql

@@ -0,0 +1,53 @@
+-- invalid ASIN 记录批量 INSERT IGNORE：唯一键从 data_value 扩展为
+-- (data_value, brand)，与记录语义键（ASIN + 品牌）一致，保证批量幂等。
+-- 历史冲突行仅保留最新一条（id 最大），再按冲突行重建唯一键。
+CREATE TABLE IF NOT EXISTS biz_invalid_asin_data (
+    id BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '主键',
+    data_value VARCHAR(128) NOT NULL COMMENT '不符合 ASIN 值',
+    brand TEXT NULL COMMENT 'brand name',
+    group_id BIGINT NULL COMMENT '分组ID',
+    record_source VARCHAR(32) NOT NULL DEFAULT 'AUTO' COMMENT '记录来源',
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+    KEY idx_brand_prefix (brand(191)),
+    KEY idx_created_at (created_at)
+) COMMENT='不符合ASIN数据表';
+
+-- 1. 清理 (data_value, brand) 完全重复的行，仅保留 id 最大的一条
+DELETE t1 FROM biz_invalid_asin_data t1
+JOIN biz_invalid_asin_data t2
+  ON t1.data_value = t2.data_value
+ AND ((t1.brand <=> t2.brand) OR (t1.brand IS NULL AND t2.brand IS NULL))
+ AND t1.id < t2.id;
+
+-- 2. 删除既有单列唯一键 uk_data_value（存在时）
+SET @uk_exists := (
+    SELECT COUNT(*) FROM information_schema.STATISTICS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'biz_invalid_asin_data'
+      AND INDEX_NAME = 'uk_data_value'
+);
+SET @sql_drop_uk := IF(
+    @uk_exists > 0,
+    'ALTER TABLE biz_invalid_asin_data DROP INDEX uk_data_value',
+    'SELECT 1'
+);
+PREPARE stmt_drop_uk FROM @sql_drop_uk;
+EXECUTE stmt_drop_uk;
+DEALLOCATE PREPARE stmt_drop_uk;
+
+-- 3. 重建为 (data_value, brand) 复合唯一键（不存在时）
+SET @uk_dup_exists := (
+    SELECT COUNT(*) FROM information_schema.STATISTICS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'biz_invalid_asin_data'
+      AND INDEX_NAME = 'uk_data_value_brand'
+);
+SET @sql_add_uk := IF(
+    @uk_dup_exists = 0,
+    'ALTER TABLE biz_invalid_asin_data ADD UNIQUE KEY uk_data_value_brand (data_value, brand(191))',
+    'SELECT 1'
+);
+PREPARE stmt_add_uk FROM @sql_add_uk;
+EXECUTE stmt_add_uk;
+DEALLOCATE PREPARE stmt_add_uk;