feat: 增加知识库新类型FAQ知识库

sql/04-easyflow-v2.p2-faq.sql

@@ -0,0 +1,38 @@
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- P2: FAQ知识库增强（新增类型与FAQ条目表）
+
+-- 1) document_collection 增加知识库类型
+ALTER TABLE tb_document_collection
+    ADD COLUMN collection_type varchar(16) NOT NULL DEFAULT 'DOCUMENT' COMMENT '知识库类型: DOCUMENT/FAQ' AFTER id;
+
+-- 2) 回填历史数据
+UPDATE tb_document_collection
+SET collection_type = 'DOCUMENT'
+WHERE collection_type IS NULL OR collection_type = '';
+
+-- 3) 增加类型索引
+ALTER TABLE tb_document_collection
+    ADD INDEX idx_collection_type (collection_type);
+
+-- 4) FAQ条目表
+CREATE TABLE IF NOT EXISTS tb_faq_item
+(
+    id            bigint UNSIGNED NOT NULL COMMENT '主键',
+    collection_id bigint UNSIGNED NOT NULL COMMENT '知识库ID',
+    question      varchar(1024) NOT NULL COMMENT '问题',
+    answer_html   longtext NULL COMMENT '答案HTML',
+    answer_text   longtext NULL COMMENT '答案纯文本',
+    order_no      int NULL DEFAULT 0 COMMENT '排序',
+    options       text NULL COMMENT '扩展项',
+    created       datetime NULL COMMENT '创建时间',
+    created_by    bigint UNSIGNED NULL COMMENT '创建人',
+    modified      datetime NULL COMMENT '更新时间',
+    modified_by   bigint UNSIGNED NULL COMMENT '更新人',
+    PRIMARY KEY (id),
+    INDEX idx_faq_collection_id (collection_id),
+    INDEX idx_faq_collection_order (collection_id, order_no)
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT ='FAQ条目';
+
+SET FOREIGN_KEY_CHECKS = 1;