Add Puppeteer scripts for navigation testing and debugging

- Created nav-debug.cjs to log anchor tags and simulate clicks on the Voice navigation link, capturing click events and page navigation.
- Added nav-test.cjs to test the Voice link click and log the URL at various intervals, capturing any page errors.
- Introduced nav-test2.cjs to check the presence of specific elements on the /voice/ page and log any console errors.
- Implemented nav-test4019.cjs to monitor network requests and responses related to the Voice navigation, verifying button presence and click functionality.

services/frontend/nav-test4019.cjs

@@ -0,0 +1,26 @@
+const puppeteer = require("puppeteer-core");
+(async () => {
+  const browser = await puppeteer.launch({ executablePath: "/usr/bin/google-chrome", headless: true, args: ["--no-sandbox","--disable-setuid-sandbox"] });
+  const page = await browser.newPage();
+  const net = [];
+  page.on("request", (r) => { const u = r.url(); if (u.includes("_rsc") || u.includes("/voice")) net.push("REQ " + r.method() + " " + u); });
+  page.on("response", (r) => { const u = r.url(); if (u.includes("_rsc") || u.includes("/voice")) net.push("RES " + r.status() + " " + u); });
+  page.on("pageerror", (e) => console.log("PAGEERR:", e.message));
+  await page.goto("http://127.0.0.1:4019/dashboard/", { waitUntil: "domcontentloaded", timeout: 30000 });
+  await new Promise((r) => setTimeout(r, 2500));
+
+  const info = await page.evaluate(() => {
+    const b = document.querySelector('button[aria-label="Voice"]');
+    const a = document.querySelector('a[aria-label="Voice"]');
+    return { buttonPresent: !!b, aPresent: !!a };
+  });
+  console.log("NAV button present:", info.buttonPresent, "| a present:", info.aPresent);
+
+  await page.evaluate(() => {
+    const b = document.querySelector('button[aria-label="Voice"]');
+    if (b) b.click();
+  });
+  await new Promise((r) => setTimeout(r, 3000));
+  console.log("URL after click:", page.url(), "| history:", await page.evaluate(() => history.length));
+  await browser.close();
+})().catch((e) => { console.error("FAIL:", e.message); process.exit(1); });