fix desktop tray icon telegram topics and checkin intervals

scripts/desktop/generate-icons.test.ts

@@ -21,13 +21,14 @@ afterEach(async () => {
 });
 
 describe('generateDesktopIconAssets', () => {
-  it('writes rounded desktop icon outputs for build and runtime usage', async () => {
+  it('writes rounded desktop icon outputs and a tray template asset', async () => {
     const { generateDesktopIconAssets } = await import('./generate-icons.mjs');
 
     const dir = await makeTempDir();
     const sourcePath = join(dir, 'logo.png');
     const buildOutputPath = join(dir, 'build.png');
     const webOutputPath = join(dir, 'desktop-icon.png');
+    const trayTemplateOutputPath = join(dir, 'desktop-tray-template.png');
 
     await sharp({
       create: {
@@ -42,15 +43,19 @@ describe('generateDesktopIconAssets', () => {
       sourcePath,
       buildOutputPath,
       webOutputPath,
+      trayTemplateOutputPath,
     });
 
     const buildMeta = await sharp(buildOutputPath).metadata();
     const webMeta = await sharp(webOutputPath).metadata();
+    const trayMeta = await sharp(trayTemplateOutputPath).metadata();
 
     expect(buildMeta.width).toBe(512);
     expect(buildMeta.height).toBe(512);
     expect(webMeta.width).toBe(512);
     expect(webMeta.height).toBe(512);
+    expect(trayMeta.width).toBe(512);
+    expect(trayMeta.height).toBe(512);
 
     const { data, info } = await sharp(buildOutputPath)
       .ensureAlpha()
@@ -64,5 +69,18 @@ describe('generateDesktopIconAssets', () => {
 
     expect(await sharp(buildOutputPath).png().toBuffer())
       .toEqual(await sharp(webOutputPath).png().toBuffer());
+
+    const trayBuffer = await sharp(trayTemplateOutputPath)
+      .ensureAlpha()
+      .raw()
+      .toBuffer({ resolveWithObject: true });
+
+    expect(alphaAt(trayBuffer.data, trayBuffer.info.width, 0, 0)).toBe(0);
+    expect(alphaAt(trayBuffer.data, trayBuffer.info.width, Math.floor(trayBuffer.info.width / 2), Math.floor(trayBuffer.info.height / 2))).toBe(255);
+
+    const trayCenterOffset = (Math.floor(trayBuffer.info.height / 2) * trayBuffer.info.width + Math.floor(trayBuffer.info.width / 2)) * 4;
+    expect(trayBuffer.data[trayCenterOffset]).toBe(0);
+    expect(trayBuffer.data[trayCenterOffset + 1]).toBe(0);
+    expect(trayBuffer.data[trayCenterOffset + 2]).toBe(0);
   });
 });