added easyOCR

tools/OcrDaemon/Daemon.cs

@@ -53,6 +53,8 @@ static class Daemon
         var ocrHandler = new OcrHandler(tessEngine);
         var gridHandler = new GridHandler();
         var detectGridHandler = new DetectGridHandler();
+        var templateMatchHandler = new TemplateMatchHandler();
+        var pythonBridge = new PythonOcrBridge();
 
         // Main loop: read one JSON line, handle, write one JSON line
         string? line;
@@ -72,16 +74,21 @@ static class Daemon
 
                 object response = request.Cmd?.ToLowerInvariant() switch
                 {
+                    "ocr" when request.Engine is "easyocr"
+                                  => pythonBridge.HandleOcr(request, request.Engine),
                     "ocr"         => ocrHandler.HandleOcr(request),
                     "screenshot"  => ocrHandler.HandleScreenshot(request),
                     "capture"     => ocrHandler.HandleCapture(request),
                     "snapshot"    => ocrHandler.HandleSnapshot(request),
+                    "diff-ocr" when request.Engine is "easyocr"
+                                  => HandleDiffOcrPython(ocrHandler, pythonBridge, request),
                     "diff-ocr"    => ocrHandler.HandleDiffOcr(request),
                     "test"        => ocrHandler.HandleTest(request),
                     "tune"        => ocrHandler.HandleTune(request),
                     "grid"        => gridHandler.HandleGrid(request),
-                    "detect-grid" => detectGridHandler.HandleDetectGrid(request),
-                    _             => new ErrorResponse($"Unknown command: {request.Cmd}"),
+                    "detect-grid"     => detectGridHandler.HandleDetectGrid(request),
+                    "match-template"  => templateMatchHandler.HandleTemplateMatch(request),
+                    _                 => new ErrorResponse($"Unknown command: {request.Cmd}"),
                 };
                 WriteResponse(response);
             }
@@ -91,9 +98,59 @@ static class Daemon
             }
         }
 
+        pythonBridge.Dispose();
         return 0;
     }
 
+    private static object HandleDiffOcrPython(OcrHandler ocrHandler, PythonOcrBridge pythonBridge, Request request)
+    {
+        var sw = System.Diagnostics.Stopwatch.StartNew();
+        var p = request.Threshold > 0
+            ? new DiffOcrParams { DiffThresh = request.Threshold }
+            : new DiffOcrParams();
+
+        var cropResult = ocrHandler.DiffCrop(request, p);
+        if (cropResult == null)
+            return new OcrResponse { Text = "", Lines = [] };
+
+        var (cropped, refCropped, current, region) = cropResult.Value;
+        using var _current = current;
+        using var _refCropped = refCropped;
+        var diffMs = sw.ElapsedMilliseconds;
+
+        // Save crop to requested path if provided
+        if (!string.IsNullOrEmpty(request.Path))
+        {
+            var dir = Path.GetDirectoryName(request.Path);
+            if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir))
+                Directory.CreateDirectory(dir);
+            cropped.Save(request.Path, ImageUtils.GetImageFormat(request.Path));
+        }
+
+        // Send crop to Python via base64 over pipe (no temp file I/O)
+        sw.Restart();
+        var ocrResult = pythonBridge.OcrFromBitmap(cropped, request.Engine!);
+        cropped.Dispose();
+        var ocrMs = sw.ElapsedMilliseconds;
+
+        Console.Error.WriteLine($"  diff-ocr-python: diff={diffMs}ms ocr={ocrMs}ms total={diffMs + ocrMs}ms crop={region.Width}x{region.Height}");
+
+        // Offset word coordinates to screen space
+        foreach (var line in ocrResult.Lines)
+            foreach (var word in line.Words)
+            {
+                word.X += region.X;
+                word.Y += region.Y;
+            }
+
+        return new DiffOcrResponse
+        {
+            Text = ocrResult.Text,
+            Lines = ocrResult.Lines,
+            Region = region,
+        };
+    }
+
     private static void WriteResponse(object response)
     {
         var json = JsonSerializer.Serialize(response, JsonOptions);