fix: auto add newlines for single-line mermaid code

footer.php

@@ -315,6 +315,38 @@
 
 							
 
+							// 如果代码看起来像是一行（前100个字符中换行符很少），尝试智能添加换行
+
+							let first100 = code.substring(0, 100);
+
+							let newlineCount = (first100.match(/\n/g) || []).length;
+
+							console.log('Newline count in first 100 chars:', newlineCount);
+
+							
+
+							if (newlineCount < 2) {
+
+								console.log('Code appears to be on one line, attempting to add newlines...');
+
+								// 在 Mermaid 语法关键位置添加换行
+
+								code = code
+
+									.replace(/-->/g, '\n    -->')
+
+									.replace(/\|([^|]+)\|/g, '|$1|\n   ')
+
+									.replace(/\{([^}]+)\}/g, '{\n        $1\n    }')
+
+									.trim();
+
+								console.log('After adding newlines, first 200 chars:', code.substring(0, 200));
+
+							}
+
+							
+
 							// 立即渲染这个图表
 
 							try {