fix(mpp-vscode): address PR #32 review comments

- Fix repository URL from phodal/auto-dev to phodal/auto-dev-sketch
- Remove unused colors variable in status-bar.ts
- Add platform detection for welcome message keybinding (Cmd vs Ctrl)

Author: phodal

mpp-vscode/package.json

@@ -7,7 +7,7 @@
   "license": "Apache-2.0",
   "repository": {
     "type": "git",
-    "url": "https://github.com/phodal/auto-dev"
+    "url": "https://github.com/phodal/auto-dev-sketch"
   },
   "engines": {
     "vscode": "^1.85.0"

mpp-vscode/src/extension.ts

@@ -127,8 +127,10 @@ export async function activate(context: vscode.ExtensionContext) {
   // Show welcome message on first install
   const welcomeShownKey = 'autodev.welcomeShown';
   if (!context.globalState.get(welcomeShownKey)) {
+    const isMac = process.platform === 'darwin';
+    const keyCombo = isMac ? 'Cmd+Shift+A' : 'Ctrl+Shift+A';
     vscode.window.showInformationMessage(
-      'AutoDev extension installed successfully! Press Cmd+Shift+A to open chat.'
+      `AutoDev extension installed successfully! Press ${keyCombo} to open chat.`
     );
     context.globalState.update(welcomeShownKey, true);
   }

mpp-vscode/src/services/status-bar.ts

@@ -70,13 +70,6 @@ export class StatusBarManager {
       error: '$(error)'
     };
 
-    const colors: Record<StatusBarState, string | undefined> = {
-      idle: undefined,
-      thinking: new vscode.ThemeColor('statusBarItem.warningForeground').toString(),
-      streaming: new vscode.ThemeColor('statusBarItem.prominentForeground').toString(),
-      error: new vscode.ThemeColor('statusBarItem.errorForeground').toString()
-    };
-
     const icon = icons[this.state];
     const text = message || this.getDefaultText();