build: add npm run serve:dist to server from dist folder for quick testing in electron

package.json

@@ -25,6 +25,7 @@
         "_ci-releaseElectronApp": "cd src-electron && npm run build:appimage && cd ..",
         "_ci-update-phcode-build": "node src-build/update-phcode-build.js",
         "serve": "node src-build/serveForPlatform.js",
+        "serve:dist": "node src-build/serveForPlatform.js --dist",
         "serve:tauri": "node src-build/serveForPlatform.js tauri",
         "serve:electron": "node src-build/serveForPlatform.js electron",
         "postinstall": "node ./src-build/downloadNodeBinary.js && node ./src-build/setupElectron.js",
@@ -49,4 +50,4 @@
         "branch": "tauri",
         "commit": "deb309997d34383ffc01c623902537ad095c79f3"
     }
-}
+}

src-build/serveForPlatform.js

@@ -32,14 +32,15 @@ function createTauriDevConfig() {
 }
 
 // Get target from CLI arg, or detect from platform
-const cliArg = process.argv[2];
+const cliArgs = process.argv.slice(2).filter(arg => !arg.startsWith('--'));
+const cliArg = cliArgs[0];
 let target;
 
 if (cliArg === 'tauri' || cliArg === 'electron') {
     target = cliArg;
 } else if (cliArg) {
     console.error(`Unknown target: ${cliArg}`);
-    console.error('Usage: npm run serve [tauri|electron]');
+    console.error('Usage: npm run serve [tauri|electron] [--dist]');
     process.exit(1);
 } else {
     // Auto-detect: Linux uses Electron, Windows/Mac use Tauri
@@ -65,6 +66,13 @@ if (target !== recommendedTarget) {
     console.warn(y(`╚${border}╝\n`));
 }
 
+const serveDist = process.argv.includes('--dist');
+
+if (serveDist && target === "tauri") {
+    console.error('Error: --dist flag is only supported with Electron, not Tauri.');
+    process.exit(1);
+}
+
 console.log(`Platform: ${platform}, target: ${target}`);
 
 // Run platform-specific command
@@ -95,6 +103,13 @@ if (target === "tauri") {
     const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf8'));
     const effectiveConfig = JSON.parse(readFileSync(configDest, 'utf8'));
     effectiveConfig.version = packageJson.version;
+
+    // When --dist flag is passed, serve from ../phoenix/dist instead of ../phoenix/src
+    if (serveDist) {
+        console.log('Serving from ../phoenix/dist (--dist mode)');
+        effectiveConfig.phoenixLoadURL = effectiveConfig.phoenixLoadURL.replace('/src/', '/dist/');
+    }
+
     writeFileSync(configDest, JSON.stringify(effectiveConfig, null, 2));
 
     console.log('Starting Electron...');