chore: bump version to 4.3.1

CI/CD fixes release:
- Lint script now finds SDKs in clients/ directory structure
- Perl lint gracefully skips when modules missing
- Python examples exit 0 when API keys missing (CI-friendly)
- validate-examples.sh race condition fixed

clients/c/src/un.c

@@ -6838,7 +6838,7 @@ void print_usage(const char *prog) {
  * ============================================================================ */
 
 const char *unsandbox_version(void) {
-    return "4.3.0";
+    return "4.3.1";
 }
 
 const char *unsandbox_detect_language(const char *filename) {

clients/csharp/sync/src/Un.cs

@@ -1368,7 +1368,7 @@ Key options:
 public static class Unsandbox
 {
     private const string API_BASE = "https://api.unsandbox.com";
-    private const string VERSION = "4.3.0";
+    private const string VERSION = "4.3.1";
     private static string _lastError;
 
     /// <summary>Extension map for language detection</summary>

clients/dotnet/async/src/Un.cs

@@ -12,7 +12,7 @@ using System.Text.Json.Serialization;
 
 const string API_BASE = "https://api.unsandbox.com";
 const string PORTAL_BASE = "https://unsandbox.com";
-const string VERSION = "4.3.0";
+const string VERSION = "4.3.1";
 
 // ANSI colors
 const string BLUE = "\x1B[34m";

clients/dotnet/sync/src/Un.cs

@@ -12,7 +12,7 @@ using System.Text.Json.Serialization;
 
 const string API_BASE = "https://api.unsandbox.com";
 const string PORTAL_BASE = "https://unsandbox.com";
-const string VERSION = "4.3.0";
+const string VERSION = "4.3.1";
 
 // ANSI colors
 const string BLUE = "\x1B[34m";

clients/go/sync/src/un.go

@@ -1638,7 +1638,7 @@ func LogsStream(creds *Credentials, source, grep string, callback LogCallback) e
 // ============================================================================
 
 // SDKVersion is the version of this SDK.
-const SDKVersion = "4.3.0"
+const SDKVersion = "4.3.1"
 
 // HmacSign computes an HMAC-SHA256 signature for the given message using the secret key.
 // Returns the signature as a lowercase hex string.

clients/groovy/sync/src/un.groovy

@@ -73,7 +73,7 @@
  * </ol>
  *
  * @author Permacomputer Project
- * @version 4.3.0
+ * @version 4.3.1
  */
 
 import javax.crypto.Mac

clients/javascript/async/package.json

@@ -1,6 +1,6 @@
 {
   "name": "un-async",
-  "version": "4.3.0",
+  "version": "4.3.1",
   "description": "Unsandbox async JavaScript SDK - Execute code in 50+ languages",
   "main": "src/un_async.js",
   "type": "module",

clients/javascript/sync/package.json

@@ -1,6 +1,6 @@
 {
   "name": "un-sync",
-  "version": "4.3.0",
+  "version": "4.3.1",
   "description": "unsandbox.com JavaScript SDK (Isomorphic - Node.js + Browser)",
   "type": "module",
   "main": "src/un.js",

clients/lua/sync/src/un.lua

@@ -26,7 +26,7 @@ local mime = require("mime")
 local Un = {}
 Un.API_BASE = "https://api.unsandbox.com"
 Un.PORTAL_BASE = "https://unsandbox.com"
-Un.VERSION = "4.3.0"
+Un.VERSION = "4.3.1"
 Un.LAST_ERROR = ""
 
 -- Colors

clients/perl/sync/src/un.pl

@@ -38,7 +38,7 @@ use Time::HiRes qw(time sleep);
 
 package Un;
 
-our $VERSION = "4.3.0";
+our $VERSION = "4.3.1";
 our $API_BASE = 'https://api.unsandbox.com';
 our $PORTAL_BASE = 'https://unsandbox.com';
 

clients/python/async/setup.py

@@ -7,7 +7,7 @@ from setuptools import setup, find_packages
 
 setup(
     name="unsandbox-async",
-    version="4.3.0",
+    version="4.3.1",
     description="Asynchronous Python SDK for unsandbox.com code execution",
     long_description=open("README.md").read() if False else "Async Python SDK for unsandbox code execution",
     author="unsandbox.com",

clients/python/sync/setup.py

@@ -7,7 +7,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name="unsandbox",
-    version="4.3.0",
+    version="4.3.1",
     author="Unsandbox",
     description="Synchronous Python SDK for unsandbox.com code execution",
     long_description=long_description,

clients/python/sync/src/__init__.py

@@ -27,7 +27,7 @@ from .un import (
     CredentialsError,
 )
 
-__version__ = "4.3.0"
+__version__ = "4.3.1"
 __all__ = [
     "execute_code",
     "execute_async",

clients/rust/async/Cargo.toml

@@ -7,7 +7,7 @@
 
 [package]
 name = "un-async"
-version = "4.3.0"
+version = "4.3.1"
 edition = "2021"
 authors = ["unsandbox.com"]
 description = "Asynchronous Rust SDK for unsandbox.com secure code execution API"

clients/rust/sync/Cargo.toml

@@ -7,7 +7,7 @@
 
 [package]
 name = "un-sync"
-version = "4.3.0"
+version = "4.3.1"
 edition = "2021"
 authors = ["unsandbox.com"]
 description = "Synchronous Rust SDK for unsandbox.com secure code execution API"