Add tool to clean up facebook

popup.js

@@ -0,0 +1,77 @@
+const statusEl = document.getElementById("status");
+
+function setStatus(text) {
+  statusEl.textContent = text;
+}
+
+async function getFacebookTab() {
+  const tabs = await chrome.tabs.query({
+    active: true,
+    currentWindow: true,
+  });
+  const tab = tabs[0];
+  if (!tab?.id) throw new Error("No active tab");
+  if (!/^https:\/\/(www\.)?facebook\.com\//i.test(tab.url || "")) {
+    throw new Error("Open a facebook.com Activity Log tab first");
+  }
+  return tab;
+}
+
+async function ping(tabId) {
+  return chrome.tabs.sendMessage(tabId, { type: "FB_CLEANER_PING" });
+}
+
+async function injectContent(tabId) {
+  if (!chrome.scripting?.executeScript) {
+    throw new Error(
+      "Reload this extension on chrome://extensions, then refresh Facebook"
+    );
+  }
+  await chrome.scripting.executeScript({
+    target: { tabId },
+    files: ["content.js"],
+  });
+  if (chrome.scripting.insertCSS) {
+    await chrome.scripting.insertCSS({
+      target: { tabId },
+      files: ["panel.css"],
+    });
+  }
+  // Give the content script a moment to register listeners
+  await new Promise((r) => setTimeout(r, 150));
+}
+
+async function ensureContent(tabId) {
+  try {
+    await ping(tabId);
+  } catch {
+    await injectContent(tabId);
+    await ping(tabId);
+  }
+}
+
+async function send(type) {
+  const tab = await getFacebookTab();
+  await ensureContent(tab.id);
+  return chrome.tabs.sendMessage(tab.id, { type });
+}
+
+document.getElementById("start").addEventListener("click", async () => {
+  try {
+    setStatus("Starting…");
+    const res = await send("FB_CLEANER_START");
+    setStatus(res?.ok ? "Deletion started on the page" : res?.error || "Failed");
+  } catch (e) {
+    setStatus(e.message || String(e));
+  }
+});
+
+document.getElementById("stop").addEventListener("click", async () => {
+  try {
+    setStatus("Stopping…");
+    const res = await send("FB_CLEANER_STOP");
+    setStatus(res?.ok ? "Stop requested" : res?.error || "Failed");
+  } catch (e) {
+    setStatus(e.message || String(e));
+  }
+});