模板在线编辑与导出链路重构

init.sql

@@ -50,6 +50,35 @@ CREATE TABLE IF NOT EXISTS paragraphs (
     FOREIGN KEY (model_id) REFERENCES ai_models(id) ON DELETE SET NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
+CREATE TABLE IF NOT EXISTS template_blocks (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    template_id INT NOT NULL,
+    source_paragraph_id INT DEFAULT NULL COMMENT '来源段落 ID',
+    parent_block_id INT DEFAULT NULL COMMENT '父块 ID',
+    sort_index INT DEFAULT 0 COMMENT '排序',
+    block_type VARCHAR(30) DEFAULT 'text' COMMENT 'heading/text/table/ai_slot/variable',
+    anchor_ref VARCHAR(500) DEFAULT '' COMMENT '原始锚点引用',
+    title VARCHAR(500) DEFAULT '' COMMENT '块标题',
+    content_json TEXT DEFAULT '{}' COMMENT '块内容 JSON',
+    style_json TEXT DEFAULT '{}' COMMENT '块样式 JSON',
+    edit_mode VARCHAR(20) DEFAULT 'manual' COMMENT 'manual/ai',
+    placeholder_key VARCHAR(120) DEFAULT '' COMMENT 'AI 占位键',
+    variable_key VARCHAR(120) DEFAULT '' COMMENT '变量键',
+    default_value TEXT DEFAULT '' COMMENT '默认值',
+    model_id INT DEFAULT NULL COMMENT '指定模型',
+    need_prompt TINYINT(1) DEFAULT 1 COMMENT '是否需要提示词',
+    prompt_text TEXT DEFAULT '' COMMENT '预设提示词',
+    need_file TINYINT(1) DEFAULT 0 COMMENT '是否需要参考文件',
+    file_note TEXT DEFAULT '' COMMENT '备注说明',
+    output_format VARCHAR(20) DEFAULT 'text' COMMENT 'text/table/mixed/chart',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (template_id) REFERENCES templates(id) ON DELETE CASCADE,
+    FOREIGN KEY (source_paragraph_id) REFERENCES paragraphs(id) ON DELETE SET NULL,
+    FOREIGN KEY (parent_block_id) REFERENCES template_blocks(id) ON DELETE SET NULL,
+    FOREIGN KEY (model_id) REFERENCES ai_models(id) ON DELETE SET NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
 CREATE TABLE IF NOT EXISTS documents (
     id INT AUTO_INCREMENT PRIMARY KEY,
     template_id INT NOT NULL,