diff --git a/.gitignore b/.gitignore
index e797fda..7db582b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,9 @@ Desktop.ini
 .vscode/
 *.swp
 *.swo
+
+# Claude Code
+.claude/
+
+# Windows null device artifact
+nul
diff --git a/assets/icon.ico b/assets/icon.ico
new file mode 100644
index 0000000..e8f5a2f
Binary files /dev/null and b/assets/icon.ico differ
diff --git a/assets/icon.png b/assets/icon.png
index 548cd52..a13fed1 100644
Binary files a/assets/icon.png and b/assets/icon.png differ
diff --git a/index.html b/index.html
index 273c30d..259b798 100644
--- a/index.html
+++ b/index.html
@@ -50,7 +50,6 @@
                         </div>
                     </div>
                     <div class="connection-controls">
-                        <button type="button" id="testConnectionBtn" class="btn-outline" disabled>Test Connection</button>
                         <button type="button" id="disconnectBtn" class="btn-outline" disabled>Disconnect</button>
                     </div>
                     <div id="connectionStatus" class="status-message"></div>
@@ -69,8 +68,8 @@
                             <input type="text" id="cookieKey" placeholder="Paste your cookie key here">
                         </div>
                         <div class="proxy-buttons">
-                            <button type="button" id="startCookieProxyBtn" class="btn-primary" disabled>Start Cookie Proxy</button>
-                            <button type="button" id="stopCookieProxyBtn" class="btn-outline" disabled>Stop Cookie Proxy</button>
+                            <button type="button" id="startCookieProxyBtn" class="btn-primary" disabled>Start Proxy</button>
+                            <button type="button" id="stopCookieProxyBtn" class="btn-outline" disabled>Stop Proxy</button>
                         </div>
                     </div>
                 </section>
diff --git a/package-lock.json b/package-lock.json
index 3850785..2dc27fe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,9 @@
       "devDependencies": {
         "electron": "^28.0.0",
         "electron-builder": "^26.4.0",
-        "electron-packager": "^17.1.2"
+        "electron-packager": "^17.1.2",
+        "png-to-ico": "^3.0.1",
+        "sharp": "^0.34.5"
       }
     },
     "node_modules/@develar/schema-utils": {
@@ -457,6 +459,507 @@
         "node": ">= 10.0.0"
       }
     },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.8.1.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@img/colour": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
+      "integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@img/sharp-darwin-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.34.5.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-darwin-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.34.5.tgz",
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+      ],
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+      },
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+        "url": "https://opencollective.com/libvips"
+      },
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+      }
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+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-arm64/-/sharp-libvips-darwin-arm64-1.2.4.tgz",
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+      ],
+      "dev": true,
+      "license": "LGPL-3.0-or-later",
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+      "funding": {
+        "url": "https://opencollective.com/libvips"
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+      "version": "1.2.4",
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+      ],
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+      ],
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+        "url": "https://opencollective.com/libvips"
+      }
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+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-ppc64/-/sharp-libvips-linux-ppc64-1.2.4.tgz",
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+        "ppc64"
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+      "license": "LGPL-3.0-or-later",
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+      "os": [
+        "linux"
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+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
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+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-riscv64/-/sharp-libvips-linux-riscv64-1.2.4.tgz",
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+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
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+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-s390x/-/sharp-libvips-linux-s390x-1.2.4.tgz",
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+      }
+    },
+    "node_modules/@img/sharp-win32-ia32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.34.5.tgz",
+      "integrity": "sha512-FV9m/7NmeCmSHDD5j4+4pNI8Cp3aW+JvLoXcTUo0IqyjSfAZJ8dIUmijx1qaJsIiU+Hosw6xM5KijAWRJCSgNg==",
+      "cpu": [
+        "ia32"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.34.5.tgz",
+      "integrity": "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
     "node_modules/@isaacs/balanced-match": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/@isaacs/balanced-match/-/balanced-match-4.0.1.tgz",
@@ -4593,6 +5096,51 @@
         "node": ">=10.4.0"
       }
     },
+    "node_modules/png-to-ico": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/png-to-ico/-/png-to-ico-3.0.1.tgz",
+      "integrity": "sha512-S8BOAoaGd9gT5uaemQ62arIY3Jzco7Uc7LwUTqRyqJDTsKqOAiyfyN4dSdT0D+Zf8XvgztgpRbM5wnQd7EgYwg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "^22.10.3",
+        "minimist": "^1.2.8",
+        "pngjs": "^7.0.0"
+      },
+      "bin": {
+        "png-to-ico": "bin/cli.js"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/png-to-ico/node_modules/@types/node": {
+      "version": "22.19.10",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.10.tgz",
+      "integrity": "sha512-tF5VOugLS/EuDlTBijk0MqABfP8UxgYazTLo3uIn3b4yJgg26QRbVYJYsDtHrjdDUIRfP70+VfhTTc+CE1yskw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.21.0"
+      }
+    },
+    "node_modules/png-to-ico/node_modules/undici-types": {
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/pngjs": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-7.0.0.tgz",
+      "integrity": "sha512-LKWqWJRhstyYo9pGvgor/ivk2w94eSjE3RGVuzLGlr3NmD8bf7RcYGze1mNdEHRP6TRP6rMuDHk5t44hnTRyow==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.19.0"
+      }
+    },
     "node_modules/postject": {
       "version": "1.0.0-alpha.6",
       "resolved": "https://registry.npmjs.org/postject/-/postject-1.0.0-alpha.6.tgz",
@@ -4974,6 +5522,64 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
+    "node_modules/sharp/node_modules/semver": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz",
+      "integrity": "sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -5562,6 +6168,14 @@
         "utf8-byte-length": "^1.0.1"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "dev": true,
+      "license": "0BSD",
+      "optional": true
+    },
     "node_modules/type-fest": {
       "version": "0.13.1",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.13.1.tgz",
diff --git a/package.json b/package.json
index 2a43047..acff0ed 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,9 @@
   "devDependencies": {
     "electron": "^28.0.0",
     "electron-builder": "^26.4.0",
-    "electron-packager": "^17.1.2"
+    "electron-packager": "^17.1.2",
+    "png-to-ico": "^3.0.1",
+    "sharp": "^0.34.5"
   },
   "dependencies": {
     "axios": "^1.6.0",
diff --git a/renderer.js b/renderer.js
index 4869437..b9887f9 100644
--- a/renderer.js
+++ b/renderer.js
@@ -13,7 +13,6 @@ const statusIndicator = document.getElementById('statusIndicator');
 const deviceSearch = document.getElementById('deviceSearch');
 
 // Connection buttons
-const testConnectionBtn = document.getElementById('testConnectionBtn');
 const disconnectBtn = document.getElementById('disconnectBtn');
 
 // Cookie proxy elements
@@ -28,7 +27,6 @@ let activeCookieProxyConnections = new Map(); // Track cookie-based proxy connec
 let allDevices = []; // Store all devices for search functionality
 
 // Event listeners
-testConnectionBtn.addEventListener('click', handleTestConnection);
 disconnectBtn.addEventListener('click', handleDisconnect);
 
 // Cookie proxy event listeners
@@ -41,32 +39,6 @@ cookieKey.addEventListener('input', updateCookieProxyButtonStates);
 // Device search event listener
 deviceSearch.addEventListener('input', handleDeviceSearch);
 
-// Handle test connection
-async function handleTestConnection() {
-    if (!sessionData.isConnected) {
-        showStatus(connectionStatus, 'Please connect to API first', 'error');
-        return;
-    }
-
-    showStatus(connectionStatus, 'Testing connection...', 'info');
-
-    try {
-        const result = await window.electronAPI.getAuthInfo({
-            deploymentUrl: sessionData.deploymentUrl,
-            cookies: sessionData.cookies
-        });
-
-        if (result.success) {
-            showStatus(connectionStatus, 'Connection test successful!', 'success');
-        } else {
-            showStatus(connectionStatus, `Connection test failed: ${result.message}`, 'error');
-        }
-    } catch (error) {
-        console.error('Test connection error:', error);
-        showStatus(connectionStatus, `Test failed: ${error.message}`, 'error');
-    }
-}
-
 // Handle disconnect
 function handleDisconnect() {
     sessionData.isConnected = false;
@@ -216,10 +188,8 @@ function updateConnectionStatus(connected) {
 // Update button states based on connection status
 function updateButtonStates() {
     if (sessionData.isConnected) {
-        testConnectionBtn.disabled = false;
         disconnectBtn.disabled = false;
     } else {
-        testConnectionBtn.disabled = true;
         disconnectBtn.disabled = true;
         startCookieProxyBtn.disabled = true;
         stopCookieProxyBtn.disabled = true;