fix: handle Windows backspace in masked input + support custom browser path (#36, #34)

- wizard.ts: also check for \b (0x08) which Windows terminals send for backspace
- browser-tools: read BROWSER_PATH env var and pass as executablePath to Playwright

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/resources/extensions/browser-tools/index.ts

@@ -343,7 +343,10 @@ async function ensureBrowser(): Promise<{ browser: Browser; context: BrowserCont
 	// Lazy import so playwright is only loaded when actually needed
 	const { chromium } = await import("playwright");
 
-	browser = await chromium.launch({ headless: false });
+	const launchOptions: Record<string, unknown> = { headless: false };
+	const customPath = process.env.BROWSER_PATH;
+	if (customPath) launchOptions.executablePath = customPath;
+	browser = await chromium.launch(launchOptions);
 	context = await browser.newContext({
 		deviceScaleFactor: 2,
 		viewport: { width: 1280, height: 800 },

src/wizard.ts

@@ -26,6 +26,17 @@ async function promptMasked(label: string, hint: string): Promise<string> {
       process.stdin.resume()
       process.stdin.setEncoding('utf8')
       let value = ''
+      const redraw = () => {
+        process.stdout.clearLine(0)
+        process.stdout.cursorTo(0)
+        if (value.length === 0) {
+          process.stdout.write('  ')
+        } else {
+          const dots = '●'.repeat(Math.min(value.length, 24))
+          const counter = value.length > 24 ? ` ${dim}(${value.length})${reset}` : ` ${dim}${value.length}${reset}`
+          process.stdout.write(`  ${dots}${counter}`)
+        }
+      }
       const handler = (ch: string) => {
         if (ch === '\r' || ch === '\n') {
           process.stdin.setRawMode(false)
@@ -37,16 +48,14 @@ async function promptMasked(label: string, hint: string): Promise<string> {
           process.stdin.setRawMode(false)
           process.stdout.write('\n')
           process.exit(0)
-        } else if (ch === '\u007f') {
+        } else if (ch === '\u007f' || ch === '\b') {
           if (value.length > 0) {
             value = value.slice(0, -1)
           }
-          process.stdout.clearLine(0)
-          process.stdout.cursorTo(0)
-          process.stdout.write('  ' + '*'.repeat(value.length))
+          redraw()
         } else {
           value += ch
-          process.stdout.write('*')
+          redraw()
         }
       }
       process.stdin.on('data', handler)