feat: suporte para provedor OpenRouter

services/aiService.ts

@@ -349,6 +349,8 @@ export const analyzeCertificate = async (options: AnalyzeOptions): Promise<Repor
       return analyzeWithAzure(file, apiKey, endpoint!, model);
     case 'ollama':
       return analyzeWithOllama(file, endpoint!, model);
+    case 'openrouter':
+      return analyzeWithOpenRouter(file, apiKey, model);
     default:
       throw new Error(`Provedor não suportado: ${provider}`);
   }
@@ -421,5 +423,58 @@ export const analyzeWithOllama = async (file: File, endpoint: string, model: str
     throw new Error("Resposta vazia do Ollama/OpenWebUI");
   }
 
+  return cleanAndParseJson(content) as ReportData;
+};
+
+export const analyzeWithOpenRouter = async (file: File, apiKey: string, model: string = 'google/gemini-2.5-flash'): Promise<ReportData> => {
+  if (!apiKey) {
+    throw new Error("A chave de API do OpenRouter não foi fornecida.");
+  }
+
+  const base64Data = await new Promise<string>((resolve) => {
+    const reader = new FileReader();
+    reader.onloadend = () => resolve((reader.result as string).split(',')[1]);
+    reader.readAsDataURL(file);
+  });
+
+  const response = await fetch('https://openrouter.ai/api/v1/chat/completions', {
+    method: 'POST',
+    headers: {
+      'Authorization': `Bearer ${apiKey}`,
+      'Content-Type': 'application/json',
+      'HTTP-Referer': 'https://steelcheck.local',
+      'X-Title': 'SteelCheck',
+    },
+    body: JSON.stringify({
+      model,
+      messages: [
+        {
+          role: 'user',
+          content: [
+            { type: 'text', text: PROMPT_BASE + "\n\nRetorne apenas JSON válido sem formatação markdown." },
+            {
+              type: 'image_url',
+              image_url: { url: `data:${file.type};base64,${base64Data}` }
+            }
+          ]
+        }
+      ],
+      temperature: 0.1,
+      response_format: { type: 'json_object' }
+    })
+  });
+
+  if (!response.ok) {
+    const error = await response.json();
+    throw new Error(`Erro do OpenRouter: ${error.error?.message || 'Erro desconhecido'}`);
+  }
+
+  const data = await response.json();
+  const content = data.choices[0]?.message?.content;
+  
+  if (!content) {
+    throw new Error("Resposta vazia do OpenRouter");
+  }
+
   return cleanAndParseJson(content) as ReportData;
 };