Fix progress display (#580)

Improve EP progress download printing in samples

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: bmehta001

samples/cs/native-chat-completions/Program.cs

@@ -21,19 +21,22 @@
 
 // Discover available execution providers and their registration status.
 var eps = mgr.DiscoverEps();
+int maxNameLen = 30;
 Console.WriteLine("Available execution providers:");
+Console.WriteLine($"  {"Name".PadRight(maxNameLen)}  Registered");
+Console.WriteLine($"  {new string('─', maxNameLen)}  {"──────────"}");
 foreach (var ep in eps)
 {
-    Console.WriteLine($"  {ep.Name} (registered: {ep.IsRegistered})");
+    Console.WriteLine($"  {ep.Name.PadRight(maxNameLen)}  {ep.IsRegistered}");
 }
 
 // Download and register all execution providers with per-EP progress.
 // EP packages include dependencies and may be large.
 // Download is only required again if a new version of the EP is released.
 // For cross platform builds there is no dynamic EP download and this will return immediately.
+Console.WriteLine("\nDownloading execution providers:");
 if (eps.Length > 0)
 {
-    int maxNameLen = eps.Max(e => e.Name.Length);
     string currentEp = "";
     await mgr.DownloadAndRegisterEpsAsync((epName, percent) =>
     {
@@ -46,11 +49,8 @@ await mgr.DownloadAndRegisterEpsAsync((epName, percent) =>
             currentEp = epName;
         }
         Console.Write($"\r  {epName.PadRight(maxNameLen)}  {percent,6:F1}%");
-        if (percent >= 100)
-        {
-            Console.WriteLine();
-        }
     });
+    Console.WriteLine();
 }
 else
 {

samples/js/native-chat-completions/app.js

@@ -16,16 +16,19 @@ console.log('✓ SDK initialized successfully');
 
 // Discover available execution providers and their registration status.
 const eps = manager.discoverEps();
+const maxNameLen = 30;
 console.log('\nAvailable execution providers:');
+console.log(`  ${'Name'.padEnd(maxNameLen)}  Registered`);
+console.log(`  ${'─'.repeat(maxNameLen)}  ──────────`);
 for (const ep of eps) {
-    console.log(`  ${ep.name} (registered: ${ep.isRegistered})`);
+    console.log(`  ${ep.name.padEnd(maxNameLen)}  ${ep.isRegistered}`);
 }
 
 // Download and register all execution providers with per-EP progress.
 // EP packages include dependencies and may be large.
 // Download is only required again if a new version of the EP is released.
+console.log('\nDownloading execution providers:');
 if (eps.length > 0) {
-    const maxNameLen = Math.max(...eps.map(e => e.name.length));
     let currentEp = '';
     await manager.downloadAndRegisterEps((epName, percent) => {
         if (epName !== currentEp) {
@@ -35,10 +38,8 @@ if (eps.length > 0) {
             currentEp = epName;
         }
         process.stdout.write(`\r  ${epName.padEnd(maxNameLen)}  ${percent.toFixed(1).padStart(5)}%`);
-        if (percent >= 100) {
-            process.stdout.write('\n');
-        }
     });
+    process.stdout.write('\n');
 } else {
     console.log('No execution providers to download.');
 }

sdk/cs/README.md

@@ -94,11 +94,8 @@ await mgr.DownloadAndRegisterEpsAsync((epName, percent) =>
         currentEp = epName;
     }
     Console.Write($"\r  {epName}  {percent,6:F1}%");
-    if (percent >= 100)
-    {
-        Console.WriteLine();
-    }
 });
+Console.WriteLine();
 ```
 
 Catalog access no longer blocks on EP downloads. Call `DownloadAndRegisterEpsAsync` explicitly when you need hardware-accelerated execution providers.

sdk/js/README.md

@@ -67,10 +67,8 @@ await manager.downloadAndRegisterEps((epName, percent) => {
         currentEp = epName;
     }
     process.stdout.write(`\r  ${epName}  ${percent.toFixed(1)}%`);
-    if (percent >= 100) {
-        process.stdout.write('\n');
-    }
 });
+process.stdout.write('\n');
 ```
 
 Catalog access does not block on EP downloads. Call `downloadAndRegisterEps()` when you need hardware-accelerated execution providers.

sdk/python/README.md

@@ -102,10 +102,9 @@ def on_progress(ep_name: str, percent: float) -> None:
             print()
         current_ep = ep_name
     print(f"\r  {ep_name}  {percent:5.1f}%", end="", flush=True)
-    if percent >= 100:
-        print()
 
 manager.download_and_register_eps(progress_callback=on_progress)
+print()
 ```
 
 Catalog access does not block on EP downloads. Call `download_and_register_eps()` when you need hardware-accelerated execution providers.

sdk/rust/README.md

@@ -102,10 +102,8 @@ manager.download_and_register_eps_with_progress(None, move |ep_name: &str, perce
         *current = ep_name.to_string();
     }
     print!("\r  {}  {:5.1}%", ep_name, percent);
-    if percent >= 100.0 {
-        println!();
-    }
 }).await?;
+println!();
 ```
 
 Catalog access does not block on EP downloads. Call `download_and_register_eps` when you need hardware-accelerated execution providers.