Improve scanner repeatability guardrails

electron/main.ts

@@ -407,6 +407,12 @@ async function captureSourceFromGdi(sourceId: string, sourceName: string, option
 }
 
 function nativeImageFromGdiCapture(gdi: Awaited<ReturnType<InputHelperService["capturePrimaryScreenViaGdi"]>>) {
+  if (gdi.imageBase64) {
+    return nativeImage.createFromBuffer(Buffer.from(gdi.imageBase64, "base64"));
+  }
+  if (!gdi.dataUrl) {
+    throw new Error("GDI capture returned no image payload.");
+  }
   return nativeImage.createFromDataURL(gdi.dataUrl);
 }
 
@@ -1296,6 +1302,14 @@ async function buildCaptureResult(
   const omitInventoryPreview = Boolean(options.omitInventoryPreview || options.ocrMode === "artifact");
   const detailFingerprint = imageCropFingerprint(sourceImage, detailRect, size);
   const inventoryFingerprint = imageCropFingerprint(sourceImage, inventoryRect, size);
+  const fastOcrPriority: Record<string, number> = {
+    "artifact-substats": 0,
+    "artifact-name": 1,
+    "artifact-footer": 2,
+    "artifact-slot": 3,
+    "artifact-main-stat-label": 4,
+    "artifact-level": 5,
+  };
   const croppedPayload = crops
     .filter((crop) => crop.ocrEnabled !== false)
     .map((crop) => {
@@ -1307,7 +1321,11 @@ async function buildCaptureResult(
           }
         : null;
     })
-    .filter((crop): crop is OcrCropPayload => Boolean(crop));
+    .filter((crop): crop is OcrCropPayload => Boolean(crop))
+    .sort((left, right) => {
+      if (options.ocrMode !== "artifact" || options.ocrProfile !== "fast") return 0;
+      return (fastOcrPriority[left.id] ?? 100) - (fastOcrPriority[right.id] ?? 100);
+    });
   const prepareMs = Date.now() - buildStartedAt;
   const ocrEngine = ocrEngineFromOptions(options);
   const ocrStartedAt = Date.now();

electron/services/inputHelper.ts

@@ -292,7 +292,9 @@ export function createInputHelperService(options: { userDataPath: string; exePat
       : "primary-screen";
 
     return {
-      dataUrl: `data:image/png;base64,${base64}`,
+      ...(typeof result.imageBase64 === "string" && result.imageBase64
+        ? { imageBase64: base64 }
+        : { dataUrl: `data:image/png;base64,${base64}` }),
       width: Number(result.width),
       height: Number(result.height),
       originX: Number(result.originX),