from PIL import Image

src = r"C:\Users\Mahdi\.cursor\projects\e-projeha-crm\assets\mento-ai-avatar-transparent.png"
dst = r"e:\projeha\crm\apps\web\public\brand\mento-ai-avatar.png"

img = Image.open(src).convert("RGBA")
pixels = img.load()
w, h = img.size
cx, cy = w / 2, h / 2
radius = min(w, h) * 0.42

for y in range(h):
    for x in range(w):
        r, g, b, a = pixels[x, y]
        if r > 245 and g > 245 and b > 245:
            pixels[x, y] = (r, g, b, 0)
            continue
        # leftover dark plate far from character
        if r < 40 and g < 70 and b < 80 and a > 200:
            dist = ((x - cx) ** 2 + (y - cy) ** 2) ** 0.5
            if dist > radius:
                pixels[x, y] = (r, g, b, 0)

bbox = img.getbbox()
if bbox:
    img = img.crop(bbox)
    pad = 12
    padded = Image.new("RGBA", (img.width + pad * 2, img.height + pad * 2), (0, 0, 0, 0))
    padded.paste(img, (pad, pad), img)
    img = padded

img.save(dst, "PNG")
px = img.load()
print("saved", dst, img.size)
print("corner alpha", px[0, 0][3], px[img.width - 1, 0][3])