diff --git a/.gitignore b/.gitignore
index 24943d3..6c8bcfa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,7 @@ __pycache__/
 *.new
 lgtv.env
 .env
+
+# service-account key (secret — never commit)
+*.json
+seth-freiberg-*.json
diff --git a/assets/google-home-icon-144.png b/assets/google-home-icon-144.png
new file mode 100644
index 0000000..f8fe1e9
Binary files /dev/null and b/assets/google-home-icon-144.png differ
diff --git a/scripts/make_icon.py b/scripts/make_icon.py
new file mode 100644
index 0000000..270d909
--- /dev/null
+++ b/scripts/make_icon.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+"""Generate a 144x144 transparent PNG app icon for the Google Home action.
+
+A TV with a power symbol on the screen, in Seth's brand orange (#D35400).
+Drawn at 4x (576px) and downscaled with LANCZOS for crisp anti-aliased edges.
+"""
+from PIL import Image, ImageDraw
+
+S = 576                      # supersampled canvas
+ORANGE = (211, 84, 0, 255)   # #D35400
+SCREEN = (255, 255, 255, 255)
+
+img = Image.new("RGBA", (S, S), (0, 0, 0, 0))
+d = ImageDraw.Draw(img)
+
+# TV frame (rounded rect)
+d.rounded_rectangle([(48, 92), (528, 428)], radius=48, fill=ORANGE)
+# Screen
+d.rounded_rectangle([(86, 130), (490, 390)], radius=26, fill=SCREEN)
+# Stand neck + base
+d.rectangle([(258, 428), (318, 458)], fill=ORANGE)
+d.rounded_rectangle([(196, 458), (380, 484)], radius=13, fill=ORANGE)
+
+# Power symbol on the screen (arc with a gap at top + vertical line)
+cx, cy, r = 288, 262, 66
+d.arc([(cx - r, cy - r), (cx + r, cy + r)], start=300, end=240, fill=ORANGE, width=28)
+d.line([(cx, 172), (cx, 256)], fill=ORANGE, width=28)
+# round the line caps
+for y in (172, 256):
+    d.ellipse([(cx - 14, y - 14), (cx + 14, y + 14)], fill=ORANGE)
+
+out = Image.alpha_composite(Image.new("RGBA", (S, S), (0, 0, 0, 0)), img)
+out = out.resize((144, 144), Image.LANCZOS)
+out.save("assets/google-home-icon-144.png")
+print("wrote assets/google-home-icon-144.png", out.size, out.mode)