working on crop

src/game/ScreenReader.ts

@@ -1,7 +1,7 @@
 import { mkdir } from 'fs/promises';
 import { join } from 'path';
 import { logger } from '../util/logger.js';
-import { OcrDaemon, type OcrResponse, type OcrEngine, type OcrPreprocess, type DiffOcrParams, type DiffOcrResponse, type TemplateMatchResult } from './OcrDaemon.js';
+import { OcrDaemon, type OcrResponse, type OcrEngine, type OcrPreprocess, type DiffOcrParams, type DiffCropParams, type OcrParams, type DiffOcrResponse, type TemplateMatchResult } from './OcrDaemon.js';
 import { GridReader, type GridLayout, type CellCoord } from './GridReader.js';
 import type { Region } from '../types.js';
 
@@ -23,11 +23,28 @@ export class ScreenReader {
   settings: OcrSettings = {
     engine: 'easyocr',
     screenPreprocess: 'none',
-    tooltipPreprocess: 'bgsub',
-    tooltipParams: {},
+    tooltipPreprocess: 'tophat',
+    tooltipParams: {
+      crop: { diffThresh: 10 },
+      ocr: { kernelSize: 21 },
+    },
     saveDebugImages: true,
   };
 
+  /**
+   * Eagerly spawn the OCR daemon and warm up the EasyOCR model.
+   * Fire-and-forget a small OCR request so the Python model loads in the background.
+   */
+  async warmup(): Promise<void> {
+    await this.daemon.warmup();
+    // Fire a small EasyOCR request to trigger Python model load
+    // Use a tiny 1×1 region to minimize work, we only care about loading the model
+    const { engine } = this.settings;
+    if (engine !== 'tesseract') {
+      await this.daemon.ocr({ x: 0, y: 0, width: 100, height: 100 }, engine);
+    }
+  }
+
   // ── Screenshot capture ──────────────────────────────────────────────
 
   async captureScreen(): Promise<Buffer> {