feat: 增强错误定位

src/main/java/org/jcnc/snow/compiler/lexer/core/LexicalError.java

@@ -50,6 +50,6 @@ public class LexicalError {
      */
     @Override
     public String toString() {
-        return file + ": 行 " + line + ", 列 " + column + ": " + message;
+        return file + ":" + line + ":" + column + ": " + message;
     }
 }

src/main/java/org/jcnc/snow/compiler/parser/context/ParseError.java

@@ -40,6 +40,6 @@ public class ParseError {
      */
     @Override
     public String toString() {
-        return file + ": 行 " + line + ", 列 " + column + ": " + message;
+        return file + ":" + line + ":" + column + ": " + message;
     }
 }

src/main/java/org/jcnc/snow/compiler/semantic/error/SemanticError.java

@@ -50,7 +50,7 @@ public record SemanticError(Node node, String message) {
 
         StringBuilder sb = new StringBuilder();
         if (file != null && !file.isBlank()) sb.append(file).append(":");
-        sb.append((line >= 0 && col >= 0) ? "行 " + line + ", 列 " + col : "未知位置");
+        sb.append((line >= 0 && col >= 0) ? line + ":" + col : "未知位置");
         sb.append(": ").append(message);
         return sb.toString();
     }