feat: add Ollama local provider support

- Added Ollama (local) as AI provider option
- Configure VPS endpoint for Ollama connection
- Auto-detect available models from Ollama server
- Support for vision-capable models (llama3.2-vision, etc)

services/aiService.ts

@@ -347,7 +347,67 @@ export const analyzeCertificate = async (options: AnalyzeOptions): Promise<Repor
       return analyzeWithAnthropic(file, apiKey, model);
     case 'azure':
       return analyzeWithAzure(file, apiKey, endpoint!, model);
+    case 'ollama':
+      return analyzeWithOllama(file, endpoint!, model);
     default:
       throw new Error(`Provedor não suportado: ${provider}`);
   }
+};
+
+export const analyzeWithOllama = async (file: File, endpoint: string, model: string = 'llama3.2-vision'): Promise<ReportData> => {
+  if (!endpoint) {
+    throw new Error("O endpoint do Ollama é necessário. Configure o endereço da sua VPS.");
+  }
+
+  const base64Data = await new Promise<string>((resolve) => {
+    const reader = new FileReader();
+    reader.onloadend = () => resolve((reader.result as string).split(',')[1]);
+    reader.readAsDataURL(file);
+  });
+
+  const url = `${endpoint}/api/chat`;
+
+  const response = await fetch(url, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({
+      model,
+      messages: [
+        {
+          role: 'user',
+          content: [
+            {
+              type: 'image',
+              data: base64Data
+            },
+            {
+              type: 'text',
+              text: PROMPT_BASE + "\n\nRetorne apenas JSON válido sem formatação markdown."
+            }
+          ]
+        }
+      ],
+      format: 'json',
+      options: {
+        temperature: 0.1,
+        num_predict: 4096
+      }
+    })
+  });
+
+  if (!response.ok) {
+    const error = await response.text();
+    throw new Error(`Erro do Ollama: ${error}`);
+  }
+
+  const data = await response.json();
+  const content = data.message?.content;
+  
+  if (!content) {
+    throw new Error("Resposta vazia do Ollama");
+  }
+
+  return cleanAndParseJson(content) as ReportData;
 };