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- Add uploadAssetBinary method to aiGenerationClient (FormData + busboy) - Replace base64 dataUrl upload in uploadProductImages with direct blob upload via /oss/upload-binary multipart endpoint - This eliminates the DATA_URL_PATTERN regex parsing bug that produced 44-byte corrupt files on OSS, causing DashScope "image format illegal" errors Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>