Produce a print-ready poster or panel (A2/A3) from an HTML source plus an editable PPTX for teammates, with logo slots, a reprint-proof QR, and margin checks. Use when the user asks for a poster, panel, flyer or signage to print, or says "A3로 만들어줘", "판넬", "인쇄용 PDF", "make a poster to print".
