功能增加

backend/internal/providers/adapters.go

@@ -25,6 +25,13 @@ func NewEvoLink(c Config, client HTTPClient) *EvoLink {
 			payload["size"] = size
 		} else if width, widthOK := positiveInteger(r.Settings["width"]); widthOK {
 			if height, heightOK := positiveInteger(r.Settings["height"]); heightOK {
+				// A4 custom pixels ignore the resolution shortcut. Match the
+				// frontend's 1K budget rather than silently requesting a 2K image.
+				if width == 1680 && height == 2376 {
+					width, height = 848, 1200
+				} else if width == 2376 && height == 1680 {
+					width, height = 1200, 848
+				}
 				payload["size"] = supportedRatio(width, height)
 			}
 		}