fix: fileExists symlink handling for compatibility

Author: bajrangCoder

src/plugins/system/android/com/foxdebug/system/System.java

@@ -691,14 +691,29 @@ private void hasPermission(String permission, CallbackContext callback) {
     }
 
     public boolean fileExists(String path, String countSymlinks) {
-        Path p = new File(path).toPath();
+        boolean followSymlinks = !Boolean.parseBoolean(countSymlinks);
+        File file = new File(path);
+
+        // Android < O does not implement File#toPath(), fall back to legacy checks
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+            if (!file.exists()) return false;
+            if (followSymlinks) {
+                try {
+                    // If canonical and absolute paths differ, it's a symlink
+                    return file.getCanonicalPath().equals(file.getAbsolutePath());
+                } catch (IOException ignored) {
+                    return false;
+                }
+            }
+            return true;
+        }
+
+        Path p = file.toPath();
         try {
-            if (Boolean.parseBoolean(countSymlinks)) {
-                // This will return true even for broken symlinks
-                return Files.exists(p, LinkOption.NOFOLLOW_LINKS);
-            } else {
-                // Check target file, not symlink itself
+            if (followSymlinks) {
                 return Files.exists(p) && !Files.isSymbolicLink(p);
+            } else {
+                return Files.exists(p, LinkOption.NOFOLLOW_LINKS);
             }
         } catch (Exception e) {
             return false;
@@ -1301,4 +1316,4 @@ private void setInputType(String type) {
         }
         webView.setInputType(mode);
     }
-}
+}