fix(cliproxy): resolve windows auth browser not opening

- skip TTY check on Windows (process.stdin.isTTY returns undefined)
- Windows desktop environments always have browser capability
- also fix help-command version to read from package.json

Closes #42

src/cliproxy/auth-handler.ts

@@ -94,8 +94,10 @@ function isHeadlessEnvironment(): boolean {
     return true;
   }
 
-  // Non-interactive (piped stdin)
-  if (!process.stdin.isTTY) {
+  // Non-interactive (piped stdin) - skip on Windows
+  // Windows npm wrappers don't set isTTY correctly (returns undefined, not true)
+  // Windows desktop environments always have browser capability
+  if (process.platform !== 'win32' && !process.stdin.isTTY) {
     return true;
   }
 

src/commands/help-command.ts

@@ -1,7 +1,11 @@
+import * as fs from 'fs';
+import * as path from 'path';
 import { initUI, box, color, dim, sectionHeader, subheader } from '../utils/ui';
 
-// Version is read from VERSION file during build
-const VERSION = '5.3.0';
+// Get version from package.json (same as version-command.ts)
+const VERSION = JSON.parse(
+  fs.readFileSync(path.join(__dirname, '../../package.json'), 'utf8')
+).version;
 
 /**
  * Print a major section with ═══ borders (only for 3 main sections)