Add gemini-web skill

skills/gemini-web/scripts/get-cookie.ts

@@ -0,0 +1,21 @@
+#!/usr/bin/env -S npx -y bun
+
+import process from 'node:process';
+
+import { getGeminiCookieMapViaChrome } from './chrome-auth.js';
+import { writeGeminiCookieMapToDisk } from './cookie-store.js';
+import { resolveGeminiWebChromeProfileDir, resolveGeminiWebCookiePath } from './paths.js';
+
+async function main(): Promise<void> {
+  const cookiePath = resolveGeminiWebCookiePath();
+  const profileDir = resolveGeminiWebChromeProfileDir();
+
+  const log = (msg: string) => console.log(msg);
+  const cookieMap = await getGeminiCookieMapViaChrome({ userDataDir: profileDir, log });
+  await writeGeminiCookieMapToDisk(cookieMap, { cookiePath, log });
+}
+
+main().catch((error) => {
+  console.error(error instanceof Error ? error.message : String(error));
+  process.exit(1);
+});