fix(linux): align packaged app identity

Entire-Checkpoint: f957cd9849e0

electron-builder.json

@@ -24,6 +24,8 @@
         "**/*.dylib"
     ],
     "extraMetadata": {
+        "name": "iptvnator",
+        "productName": "IPTVnator",
         "main": "electron-backend/main.js"
     },
     "extraResources": ["dist/apps/electron-backend/workers"],
@@ -43,6 +45,12 @@
     },
     "linux": {
         "category": "Video",
+        "executableName": "iptvnator",
+        "desktop": {
+            "entry": {
+                "StartupWMClass": "iptvnator"
+            }
+        },
         "target": [
             {
                 "target": "AppImage",

tools/packaging/electron-package-identity.test.mjs

@@ -0,0 +1,26 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import test from 'node:test';
+
+const electronBuilderConfig = JSON.parse(
+    fs.readFileSync('electron-builder.json', 'utf8')
+);
+
+test('Linux package identity does not expose the internal Electron backend project name', () => {
+    assert.equal(electronBuilderConfig.productName, 'IPTVnator');
+    assert.equal(electronBuilderConfig.extraMetadata?.name, 'iptvnator');
+    assert.equal(electronBuilderConfig.extraMetadata?.productName, 'IPTVnator');
+    assert.equal(electronBuilderConfig.linux?.executableName, 'iptvnator');
+    assert.equal(
+        electronBuilderConfig.linux?.desktop?.entry?.StartupWMClass,
+        'iptvnator'
+    );
+    assert.notEqual(
+        electronBuilderConfig.extraMetadata?.name,
+        'electron-backend'
+    );
+    assert.notEqual(
+        electronBuilderConfig.linux?.executableName,
+        'electron-backend'
+    );
+});