024와이파이 비밀번호 안내판 만들기

Complete these three steps in order:
1. Generate the flat sign artwork with a white square reserved for the QR code. Draw only a thin border; leave the entire inside completely blank. Do not draw QR modules or a QR-like pattern in the image.
2. Run Python to generate a real Wi-Fi QR from the supplied network name and password. Use WPA, error correction M or higher, and a four-module quiet zone.
3. Use Python to paste that QR into the blank square and return the completed PNG. If possible, decode the QR from the completed PNG, compare it with the intended content, and report the result in one line. If code execution is unavailable, return the blank-square artwork from step 1 and say clearly that it has no QR.

Start with step 1 now. Do not explain or ask questions before generating the image. Continue to steps 2 and 3 when Python is available.
Output size 2480x3508 pixels, A4 portrait, 300dpi, print-ready poster.

[Purpose and layout for step 1]
Create a flat Korean Wi-Fi password sign for a shop, ready to print at A4. No wall, frame, hands, phone, room, or perspective mockup. Paint the background to all edges and keep text within 8% safe margins. Use a simple vertical layout. The exact password must be the most legible, prominent information, and the network name second. Keep all supplied characters exactly as written, including case, numbers, underscores, spaces, and punctuation. Use a font that clearly distinguishes O/0, I/l/1, S/5, and B/8.

At 8-16% height, show the shop name "【가게 이름】". At 20-28%, show the large English heading "FREE WIFI". At 33-44%, show the small label "WIFI" with the exact network name "【와이파이 이름】" directly below it. At 47-58%, show the small label "PASSWORD" with the exact password "【비밀번호】" directly below it as the largest and boldest value. Keep the password on one line, adjusting only its font size if needed. The only visible text is the shop name, FREE WIFI, the two English field labels, the two supplied values, and optionally the small line "카메라로 찍으면 바로 연결돼요" below the QR. Keep the heading and field labels in English exactly as specified.

Directly below the password, center one square QR placeholder on the canvas's vertical axis. Make the square approximately 30% of the canvas width, with generous clear space above and below it; aim for its top around 62-64% of the canvas height while keeping the square and any caption within the safe margins. Do not place it in a corner or beside the password. Make its inside pure white, completely blank, with a simple thin border. Do not place any text, texture, decoration, dots, matrix, scan icon, or image-generated QR mark inside. Keep the border clear of the password and all other text. If space permits, put one small centered line "카메라로 찍으면 바로 연결돼요" below the square, outside its border. This is the only empty box on the sign.

[Style]
Use the selected feeling "【느낌】" only for the background, typography, and sparse edge accents. "깔끔": pale warm neutral, deep charcoal sans-serif, one restrained accent. "나무": light low-contrast wood texture, with a broad quiet area behind all text. "손글씨": warm matte paper and friendly headings, but highly legible technical lettering for the credentials. "귀엽게": soft pastel and a few small original edge doodles, with crisp credentials. Keep the surface flat, matte, and high contrast. Never print the feeling name. Avoid logos, mascots, trademarks, watermarks, decorative objects over text, and any extra wording.

[Real QR for steps 2-3]
In Python, set ssid to "【와이파이 이름】" and password to "【비밀번호】". In each value, prefix every literal backslash, semicolon, comma, colon, and double quote with one backslash; escape existing backslashes first. Construct exactly: WIFI:T:WPA;S:<escaped ssid>;P:<escaped password>;;. The angle-bracketed parts here mean the escaped values, not literal angle brackets. Use a QR library such as qrcode with ERROR_CORRECT_M or higher, border=4 modules, dark modules on pure white, and no logo or styling. Use Pillow to fit the whole QR, including its quiet zone, within the reserved white square without covering its border or any text. Save and return the composited PNG. If OpenCV or pyzbar is available, decode the QR from this finished PNG and compare its full text with the payload. Report the result in one line. Never claim a successful scan unless the finished PNG was actually decoded.