fix: 修复CodeQL检测到的代码问题

packages/shader-editor/src/analysis/ShaderAnalyzer.ts

@@ -186,9 +186,9 @@ export class ShaderAnalyzer {
      * 从源代码中移除注释。
      */
     private removeComments(source: string): string {
-        // Remove single-line comments.
-        // 移除单行注释。
-        let result = source.replace(/\/\/.*$/gm, '');
+        // Remove single-line comments (non-greedy, stop at newline).
+        // 移除单行注释（非贪婪，遇到换行停止）。
+        let result = source.replace(/\/\/[^\n\r]*/g, '');
         // Remove multi-line comments.
         // 移除多行注释。
         result = result.replace(/\/\*[\s\S]*?\*\//g, '');

packages/shader-editor/src/components/ShaderEditorPanel.tsx

@@ -38,7 +38,7 @@ export function ShaderEditorPanel({ filePath: propFilePath }: ShaderEditorPanelP
 
     const [activeTab, setActiveTab] = useState<'vertex' | 'fragment'>('fragment');
     const [showAnalysis, setShowAnalysis] = useState(true);
-    const [showPreview, setShowPreview] = useState(true);
+    const [_showPreview, _setShowPreview] = useState(true);
     const [vertexAnalysis, setVertexAnalysis] = useState<ShaderAnalysis | null>(null);
     const [fragmentAnalysis, setFragmentAnalysis] = useState<ShaderAnalysis | null>(null);
     const [compileError, setCompileError] = useState<string | null>(null);