fix(syb): accept reliable single spec dimension (#274)

server/app/goauto/sybimport/parse.go

@@ -73,7 +73,10 @@ func Parse(raw string) ParseResult {
 		if size == "" {
 			return ParseResult{Status: models.SYBParseStatusFailed, Note: "productSpec 剥离备注后为空"}
 		}
-		return ParseResult{Size: size, Status: models.SYBParseStatusUncertain, Note: "无分隔符，仅识别出单一规格值"}
+		if explicitSizePattern.MatchString(size) {
+			return ParseResult{Size: size, Status: models.SYBParseStatusSuccess, Note: "仅识别到尺码"}
+		}
+		return ParseResult{Color: size, Status: models.SYBParseStatusSuccess, Note: "仅识别到颜色"}
 	}
 
 	firstPart := stripBrackets(trimmed[:lastComma])
@@ -81,7 +84,17 @@ func Parse(raw string) ParseResult {
 	colorPart, sizePart := firstPart, secondPart
 
 	if colorPart == "" || sizePart == "" {
-		return ParseResult{Color: colorPart, Size: sizePart, Status: models.SYBParseStatusUncertain, Note: "按逗号拆分后有一侧为空"}
+		only := colorPart
+		if only == "" {
+			only = sizePart
+		}
+		if explicitSizePattern.MatchString(only) {
+			return ParseResult{Size: only, Status: models.SYBParseStatusSuccess, Note: "仅识别到尺码"}
+		}
+		if only != "" && !ambiguousPattern.MatchString(only) {
+			return ParseResult{Color: only, Status: models.SYBParseStatusSuccess, Note: "仅识别到颜色"}
+		}
+		return ParseResult{Color: colorPart, Size: sizePart, Status: models.SYBParseStatusFailed, Note: "按逗号拆分后没有可靠规格"}
 	}
 	firstIsSize, secondIsSize := explicitSizePattern.MatchString(firstPart), explicitSizePattern.MatchString(secondPart)
 	if firstIsSize && secondIsSize {