feat: multi-provider AI support with auto-detection

- Added support for Google Gemini, OpenAI, Anthropic, and Azure OpenAI
- Implemented API key validation with auto model detection
- Added Error Boundary for better error handling
- Migrated PDF generation to native jsPDF (better quality)
- Added PWA support with offline capabilities
- Implemented tests with Vitest
- Fixed language consistency (PT-BR)
- Improved accessibility (ARIA)

components/PrintableReport.tsx

@@ -28,9 +28,15 @@ const TableRow: React.FC<{item: ComplianceItem}> = ({item}) => (
 
 export const PrintableReport: React.FC<PrintableReportProps> = ({ report }) => {
   const { identification, compliance, overPerformance, equivalents, confidence } = report;
+  const jsonData = JSON.stringify(report);
 
   return (
-    <div id="printable-report-container" style={{ width: '210mm', height: '297mm' }} className="bg-white text-gray-900 p-8 font-sans flex flex-col">
+    <div 
+      id="printable-report-container" 
+      data-report={jsonData}
+      style={{ width: '210mm', minHeight: '297mm' }} 
+      className="bg-white text-gray-900 p-8 font-sans flex flex-col"
+    >
       <header className="flex justify-between items-start pb-2 border-b-2 border-gray-400">
         <div>
             <h1 className="text-3xl font-bold text-blue-800">SteelBase</h1>