diff --git a/app/(app)/projects/[id]/social/setup/page.tsx b/app/(app)/projects/[id]/social/setup/page.tsx
index 59ec7b06..3c8f8c14 100644
--- a/app/(app)/projects/[id]/social/setup/page.tsx
+++ b/app/(app)/projects/[id]/social/setup/page.tsx
@@ -12,6 +12,17 @@ import { AppPasswordReveal } from "./app-password-reveal";
 
 export const metadata = { title: "Social · Connect accounts" };
 
+// Where to send the user to log in when a cookie session has expired, so they
+// can re-export fresh cookies. Mastodon is instance-specific, so omitted.
+const PLATFORM_LOGIN_URLS: Record<string, string | undefined> = {
+  reddit: "https://www.reddit.com/login",
+  facebook_page: "https://www.facebook.com/login",
+  threads: "https://www.threads.net/login",
+  instagram: "https://www.instagram.com/accounts/login/",
+  x: "https://x.com/login",
+  linkedin: "https://www.linkedin.com/login",
+};
+
 type SetupSearchParams = Promise<{
   connected?: string;
   error?: string;
@@ -131,6 +142,25 @@ export default async function SocialSetupPage({
                       Last post {new Date(a.last_post_at).toLocaleString()}
                     </p>
                   )}
+                  {a.status !== "active" && a.platform !== "bluesky" && (
+                    <p className="mt-1 text-xs text-[var(--color-warn)]">
+                      ⚠ Session expired.{" "}
+                      {PLATFORM_LOGIN_URLS[a.platform] && (
+                        <>
+                          <a
+                            href={PLATFORM_LOGIN_URLS[a.platform]!}
+                            target="_blank"
+                            rel="noreferrer"
+                            className="underline"
+                          >
+                            Log in to {a.platform} ↗
+                          </a>
+                          , then re-export cookies with Cookie-Editor and paste
+                          them in the {a.platform} section below to reconnect.
+                        </>
+                      )}
+                    </p>
+                  )}
                   {a.platform === "bluesky" && a.enc_app_password && (
                     <AppPasswordReveal accountId={a.id} />
                   )}
diff --git a/app/(marketing)/recent/page.tsx b/app/(marketing)/recent/page.tsx
index 1b81db5b..3e9b0790 100644
--- a/app/(marketing)/recent/page.tsx
+++ b/app/(marketing)/recent/page.tsx
@@ -363,5 +363,20 @@ async function fetchOutreachHistory(
     list.push(item);
     byAudit.set(row.audit_id, list);
   }
+
+  // Collapse to one row per channel+provider (the latest attempt), so repeated
+  // sends/retries update in place instead of piling up. Rows are already
+  // ordered newest-first, so the first occurrence per key is the current one.
+  for (const [auditId, list] of byAudit) {
+    const seen = new Set<string>();
+    const deduped: OutreachHistoryItem[] = [];
+    for (const item of list) {
+      const key = `${item.channel}:${item.provider}`;
+      if (seen.has(key)) continue;
+      seen.add(key);
+      deduped.push(item);
+    }
+    byAudit.set(auditId, deduped);
+  }
   return byAudit;
 }
diff --git a/lib/sp/browserPost.ts b/lib/sp/browserPost.ts
index 5c45bc50..2e3a1ca2 100644
--- a/lib/sp/browserPost.ts
+++ b/lib/sp/browserPost.ts
@@ -13,6 +13,7 @@ import type { SupabaseClient } from "@supabase/supabase-js";
 import type OpenAI from "openai";
 import { decryptSecret } from "@/lib/sp/vault";
 import {
+  LOGIN_WALL_PREFIX,
   parseCookies,
   redditBrowserPost,
   facebookBrowserPost,
@@ -198,9 +199,16 @@ async function fail(
       .select("consecutive_failures")
       .eq("id", accountId)
       .maybeSingle();
+    // A login-wall failure means the stored cookies are dead — flag the account
+    // token_expired so the UI prompts a reconnect (re-export cookies) and stops
+    // posting to it until then.
+    const sessionExpired = message.startsWith(LOGIN_WALL_PREFIX);
     await supabase
       .from("sp_account")
-      .update({ consecutive_failures: ((acct?.consecutive_failures ?? 0) as number) + 1 })
+      .update({
+        consecutive_failures: ((acct?.consecutive_failures ?? 0) as number) + 1,
+        ...(sessionExpired ? { status: "token_expired" } : {}),
+      })
       .eq("id", accountId);
   }
   await supabase.from("sp_publish_attempt").insert({
diff --git a/lib/sp/platforms/browser.ts b/lib/sp/platforms/browser.ts
index c732b376..6b5c2ef0 100644
--- a/lib/sp/platforms/browser.ts
+++ b/lib/sp/platforms/browser.ts
@@ -14,7 +14,12 @@
 // scraping flows. Add playwright-extra + stealth plugin if detection becomes
 // a problem.
 
-import { chromium, type Browser, type BrowserContext } from "playwright";
+import {
+  chromium,
+  type Browser,
+  type BrowserContext,
+  type Page,
+} from "playwright";
 import { browserSemaphore } from "@/lib/sp/browserSemaphore";
 import { handleCodeChallenge, type CodeWaiter } from "@/lib/sp/verificationChallenge";
 
@@ -24,6 +29,31 @@ function codePrompt(platform: string): string {
   return `${platform} is asking for a verification code. Enter the code it just sent (email / SMS / authenticator) to finish posting.`;
 }
 
+// Prefix on errors thrown when the cookie session is dead and the platform is
+// showing a login wall. browserPost.ts recognizes it and flags the account as
+// token_expired so the user is prompted to reconnect (re-export cookies).
+export const LOGIN_WALL_PREFIX = "SESSION_EXPIRED";
+
+// After navigating with cookies (and clearing any code challenge), bail out
+// with a clear, recognizable error if we landed on a login page instead of the
+// app — otherwise the composer selectors just time out opaquely. Detects a
+// login URL or a visible password field.
+async function assertLoggedIn(page: Page, platform: string): Promise<void> {
+  const url = page.url().toLowerCase();
+  const onLogin =
+    /\/login|\/signin|\/sign_in|\/uas\/login|accounts\/login|\/auth\/login/.test(url);
+  const passwordVisible = await page
+    .locator('input[type="password"]')
+    .first()
+    .isVisible({ timeout: 1500 })
+    .catch(() => false);
+  if (onLogin || passwordVisible) {
+    throw new Error(
+      `${LOGIN_WALL_PREFIX}: ${platform} session expired — reconnect the account with fresh cookies.`,
+    );
+  }
+}
+
 export type BrowserCookie = {
   name: string;
   value: string;
@@ -133,6 +163,7 @@ export async function redditBrowserPost(args: {
       waitUntil: "domcontentloaded",
     });
     if (waitForCode) await handleCodeChallenge(page, waitForCode, codePrompt("Reddit"));
+    await assertLoggedIn(page, "Reddit");
 
     // Select "Text" tab
     const textTab = page.getByRole("tab", { name: /text/i });
@@ -183,6 +214,7 @@ export async function facebookBrowserPost(args: {
       waitUntil: "domcontentloaded",
     });
     if (waitForCode) await handleCodeChallenge(page, waitForCode, codePrompt("Facebook"));
+    await assertLoggedIn(page, "Facebook");
 
     // Click the "Write something..." composer
     const composer = page.getByPlaceholder(/write something/i)
@@ -246,6 +278,7 @@ export async function threadsBrowserPost(args: {
     const page = await ctx.newPage();
     await page.goto("https://www.threads.net", { waitUntil: "domcontentloaded" });
     if (waitForCode) await handleCodeChallenge(page, waitForCode, codePrompt("Threads"));
+    await assertLoggedIn(page, "Threads");
 
     // New Thread button
     const newThreadBtn = page
@@ -308,6 +341,7 @@ export async function instagramBrowserPost(args: {
     const page = await ctx.newPage();
     await page.goto("https://www.instagram.com", { waitUntil: "domcontentloaded" });
     if (waitForCode) await handleCodeChallenge(page, waitForCode, codePrompt("Instagram"));
+    await assertLoggedIn(page, "Instagram");
 
     // Download image to temp file
     const imgRes = await fetch(imageUrl);
@@ -377,6 +411,7 @@ export async function xBrowserPost(args: {
     const page = await ctx.newPage();
     await page.goto("https://x.com/home", { waitUntil: "domcontentloaded" });
     if (waitForCode) await handleCodeChallenge(page, waitForCode, codePrompt("X"));
+    await assertLoggedIn(page, "X");
 
     // Click the compose box
     const compose = page
@@ -435,6 +470,7 @@ export async function linkedinBrowserPost(args: {
     const page = await ctx.newPage();
     await page.goto("https://www.linkedin.com/feed/", { waitUntil: "domcontentloaded" });
     if (waitForCode) await handleCodeChallenge(page, waitForCode, codePrompt("LinkedIn"));
+    await assertLoggedIn(page, "LinkedIn");
 
     // Start a post
     const startPost = page
@@ -504,6 +540,7 @@ export async function mastodonBrowserPost(args: {
     const page = await ctx.newPage();
     await page.goto(base, { waitUntil: "domcontentloaded" });
     if (waitForCode) await handleCodeChallenge(page, waitForCode, codePrompt("Mastodon"));
+    await assertLoggedIn(page, "Mastodon");
 
     // Mastodon web app — compose textarea. Match the compose box specifically:
     // a bare getByRole("textbox") also matched the "Search or paste URL" input
@@ -532,9 +569,12 @@ export async function mastodonBrowserPost(args: {
       }
     }
 
-    // Toot / Publish button
+    // Toot / Publish button. Mastodon labels it "Publish!" / "Toot!"; also
+    // accept the compose form's submit button as a fallback.
     await page
       .getByRole("button", { name: /publish|toot/i })
+      .or(page.locator("button.compose-form__submit"))
+      .or(page.locator(".compose-form button[type='submit']"))
       .last()
       .click();