Merge branch 'main' of http://43.140.215.244:7040/wangyukun/PRA-only-demo

src/main/capabilities/remaining-core.ts

@@ -171,8 +171,13 @@ register("Image_Base64Decode", async (_ctx, _node, args) => {
   fs.mkdirSync(path.dirname(file), { recursive: true }); fs.writeFileSync(file, Buffer.from(value, "base64")); return file;
 });
 register("Image_CropImg", async (_ctx, node, args) => {
-  const input = path.resolve(text(args, ["file_path", "imagePath", "path"])); const output = path.resolve(text(args, ["output"], input.replace(/(\.[^.]+)$/, "-crop$1")));
+  const rawInput = text(args, ["file_path", "imagePath", "path"]);
+  if (!rawInput.trim()) throw new RuntimeError("validation_error", "图片地址不能为空", { nodeId: node.id, componentId: node.componentId, recommendation: "填写要裁剪的源图片完整路径（如 D:\\images\\shot.png），该组件是从已有图片文件里裁剪区域，不是截屏" });
+  const input = path.resolve(rawInput);
+  if (!fs.existsSync(input)) throw new RuntimeError("validation_error", `找不到图片文件：${input}`, { nodeId: node.id, componentId: node.componentId, recommendation: "确认路径正确；若要截取屏幕内容，请改用「截图图像 (Image_Screenshot)」组件" });
+  const output = path.resolve(text(args, ["output"], input.replace(/(\.[^.]+)$/, "-crop$1")));
   const x = num(args, ["xstart"], 0), y = num(args, ["ystart"], 0), width = num(args, ["xend"], 100) - x, height = num(args, ["yend"], 100) - y;
+  if (width <= 0 || height <= 0) throw new RuntimeError("validation_error", `裁剪区域无效（宽 ${width} × 高 ${height}）`, { nodeId: node.id, componentId: node.componentId, recommendation: "终点坐标需要大于起点坐标（单位是图片上的像素）" });
   fs.mkdirSync(path.dirname(output), { recursive: true });
   await powershell(`Add-Type -AssemblyName System.Drawing;$image=[System.Drawing.Image]::FromFile(${psString(input)});$rect=New-Object System.Drawing.Rectangle(${x},${y},${width},${height});$bitmap=New-Object System.Drawing.Bitmap($rect.Width,$rect.Height);$graphics=[System.Drawing.Graphics]::FromImage($bitmap);$graphics.DrawImage($image,New-Object System.Drawing.Rectangle(0,0,$rect.Width,$rect.Height),$rect,[System.Drawing.GraphicsUnit]::Pixel);$bitmap.Save(${psString(output)});$graphics.Dispose();$bitmap.Dispose();$image.Dispose()`);
   return output;