feat(ocr): add a Mistral-based OCR adapter for KVM frames

ts/smartkvm.ocr.smartai.ts

@@ -0,0 +1,46 @@
+import { createMistralOcrEngine } from '@push.rocks/smartai/ocr';
+import type {
+  ISmartAiMistralOcrTransport,
+  TSmartAiMistralOcrConfidenceScoresGranularity,
+  TSmartAiMistralOcrTableFormat,
+} from '@push.rocks/smartai/ocr';
+import type { IOcrEngine, IOcrResult } from './smartkvm.interfaces.js';
+
+export interface ISmartKvmMistralOcrEngineOptions {
+  apiKey?: string;
+  model?: string;
+  endpointUrl?: string;
+  transport?: ISmartAiMistralOcrTransport;
+  includeImageBase64?: boolean;
+  tableFormat?: TSmartAiMistralOcrTableFormat;
+  extractHeader?: boolean;
+  extractFooter?: boolean;
+  confidenceScoresGranularity?: TSmartAiMistralOcrConfidenceScoresGranularity;
+}
+
+export const createMistralKvmOcrEngine = (
+  options: ISmartKvmMistralOcrEngineOptions = {}
+): IOcrEngine => {
+  const smartAiOcrEngine = createMistralOcrEngine({
+    ...options,
+    confidenceScoresGranularity: options.confidenceScoresGranularity ?? 'page',
+  });
+
+  return {
+    recognize: async (frame, recognizeOptions = {}): Promise<IOcrResult> => {
+      if (recognizeOptions.crop) {
+        throw new Error('Mistral KVM OCR does not support crop options yet.');
+      }
+
+      const result = await smartAiOcrEngine.recognizeImage({
+        dataBase64: frame.dataBase64,
+        mimeType: frame.mimeType,
+      });
+
+      return {
+        text: result.text,
+        confidence: result.confidence,
+      };
+    },
+  };
+};