fix: 空渠道检测改用JSONObject.has + 移除gitignore误排除manifest

decode_png.py

@@ -0,0 +1,15 @@
+import sys
+import io
+
+# Set stdout to UTF-8
+sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
+
+with open(r"D:\Yuzu-GCA\screen.png", 'rb') as f:
+    data = f.read()
+
+print(f"Total bytes: {len(data)}")
+
+# Try UTF-16 LE decode
+text = data.decode('utf-16-le', errors='replace')
+print("=== Decoded as UTF-16 LE (first 10000 chars) ===")
+print(text[:10000])