feat(desktop): Add auto-update functionality to Goose desktop app (#2852)

Co-authored-by: jack <jack@deck.local>
Co-authored-by: Bradley Axen <baxen@squareup.com>

ui/desktop/scripts/generate-update-icon.js

@@ -0,0 +1,53 @@
+const { createCanvas, loadImage } = require('canvas');
+const fs = require('fs');
+const path = require('path');
+
+async function generateUpdateIcon() {
+  // Load the original icon
+  const iconPath = path.join(__dirname, '../src/images/iconTemplate.png');
+  const icon = await loadImage(iconPath);
+  
+  // Create canvas
+  const canvas = createCanvas(22, 22);
+  const ctx = canvas.getContext('2d');
+  
+  // Draw the original icon
+  ctx.drawImage(icon, 0, 0);
+  
+  // Add red dot in top-right corner
+  ctx.fillStyle = '#FF0000';
+  ctx.beginPath();
+  ctx.arc(18, 4, 3, 0, 2 * Math.PI);
+  ctx.fill();
+  
+  // Save the new icon
+  const outputPath = path.join(__dirname, '../src/images/iconTemplateUpdate.png');
+  const buffer = canvas.toBuffer('image/png');
+  fs.writeFileSync(outputPath, buffer);
+  
+  console.log('Generated update icon at:', outputPath);
+  
+  // Also generate @2x version
+  const canvas2x = createCanvas(44, 44);
+  const ctx2x = canvas2x.getContext('2d');
+  
+  // Load and draw @2x version
+  const icon2xPath = path.join(__dirname, '../src/images/iconTemplate@2x.png');
+  const icon2x = await loadImage(icon2xPath);
+  ctx2x.drawImage(icon2x, 0, 0);
+  
+  // Add red dot in top-right corner (scaled)
+  ctx2x.fillStyle = '#FF0000';
+  ctx2x.beginPath();
+  ctx2x.arc(36, 8, 6, 0, 2 * Math.PI);
+  ctx2x.fill();
+  
+  // Save the @2x version
+  const output2xPath = path.join(__dirname, '../src/images/iconTemplateUpdate@2x.png');
+  const buffer2x = canvas2x.toBuffer('image/png');
+  fs.writeFileSync(output2xPath, buffer2x);
+  
+  console.log('Generated @2x update icon at:', output2xPath);
+}
+
+generateUpdateIcon().catch(console.error);