diff --git a/tests/browser/workspace-activity.spec.mjs b/tests/browser/workspace-activity.spec.mjs
index a8adb14..f61eac5 100644
--- a/tests/browser/workspace-activity.spec.mjs
+++ b/tests/browser/workspace-activity.spec.mjs
@@ -643,3 +643,22 @@ test('an unknown or restarted job view says so', async ({ page, request }) => {
     await expect(fileRows(page)).toHaveCount(1);
     await expect(pill(page)).toBeHidden();
 });
+
+// Review M3: a finished job the server no longer lists is gone from this tab too, and its open view says so.
+test('a finished job the server pruned leaves its open view honest', async ({ page, request }) => {
+    await page.setViewportSize({ width: 1600, height: 1100 });
+    const job = await startJob(request);
+    await step(request, job.id, { processed: 1, records: [{ group: 'added', path: 'kept/row.png', detail: 'Added' }] });
+    await finish(request, job.id);
+    await openJob(page, job.id);
+    await expect(fileRows(page)).toHaveCount(1);
+    await filter(page).focus();
+    await expect(await request.post('/__test__/jobs/restart')).toBeOK();
+    // The next periodic list read (15 s) no longer has the finished job.
+    test.slow();
+    await expect(main(page).locator('section.surface p.empty-state')).toHaveText('This job is not in this session’s Activity. Jobs are kept until ComfyUI restarts.', { timeout: 20000 });
+    await expect(progressSection(page)).toHaveCount(0);
+    await expect(heading(page).locator('h1')).toHaveText('Activity');
+    await expect(heading(page).locator('h1')).toBeFocused();
+    await expect(page).toHaveTitle('Activity · Prompt Manager');
+});
diff --git a/tests/js/workspace-toast.test.js b/tests/js/workspace-toast.test.js
new file mode 100644
index 0000000..907498f
--- /dev/null
+++ b/tests/js/workspace-toast.test.js
@@ -0,0 +1,96 @@
+// The shell's shared toast: plain messages clear after 6.5 s; a message with a link stays 20 s (D57), and any toast
+// stays while the pointer or keyboard focus rests on it.
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+const source = import('../../web/js/workspace/toast.mjs');
+
+class FakeToast extends EventTarget {
+    constructor() { super(); this.held = false; this.nodes = []; this.text = ''; }
+    get textContent() { return this.text; }
+    set textContent(value) { this.text = value; this.nodes = []; }
+    replaceChildren(...nodes) { this.nodes = nodes; this.text = nodes.map(node => node.textContent).join(''); }
+    matches(selector) { assert.equal(selector, ':hover, :focus-within'); return this.held; }
+}
+
+function install() {
+    const toast = new FakeToast();
+    const previous = global.document;
+    global.document = {
+        getElementById: id => id === 'workspace-toast' ? toast : null,
+        createTextNode: text => ({ textContent: text }),
+        createElement: tag => ({ tag, href: '', textContent: '' }),
+    };
+    return { toast, restore: () => { global.document = previous; } };
+}
+
+test('a plain toast clears after 6.5 s and a linked one after 20 s', async t => {
+    const { showWorkspaceToast, TOAST_MS, LINK_TOAST_MS } = await source;
+    t.mock.timers.enable({ apis: ['setTimeout'] });
+    const { toast, restore } = install();
+    try {
+        showWorkspaceToast('Scan started.');
+        assert.equal(toast.textContent, 'Scan started.');
+        t.mock.timers.tick(TOAST_MS);
+        assert.equal(toast.textContent, '');
+
+        showWorkspaceToast(['Another job is running: ', { text: 'Scan', href: '#/activity/x' }, '.']);
+        assert.equal(toast.textContent, 'Another job is running: Scan.');
+        assert.deepEqual(toast.nodes[1], { tag: 'a', href: '#/activity/x', textContent: 'Scan' });
+        t.mock.timers.tick(TOAST_MS);
+        assert.equal(toast.textContent, 'Another job is running: Scan.');
+        t.mock.timers.tick(LINK_TOAST_MS - TOAST_MS);
+        assert.equal(toast.textContent, '');
+    } finally {
+        restore();
+    }
+});
+
+test('a toast under the pointer or focus waits until they leave', async t => {
+    const { showWorkspaceToast, TOAST_MS } = await source;
+    t.mock.timers.enable({ apis: ['setTimeout'] });
+    const { toast, restore } = install();
+    try {
+        showWorkspaceToast('Prompt copied.');
+        toast.held = true;
+        t.mock.timers.tick(TOAST_MS);
+        assert.equal(toast.textContent, 'Prompt copied.', 'held: it stays');
+        // Focus moving inside the toast keeps it; leaving it starts a fresh 6.5 s.
+        toast.dispatchEvent(new Event('focusout'));
+        t.mock.timers.tick(0);
+        toast.dispatchEvent(new Event('pointerleave'));
+        assert.equal(toast.textContent, 'Prompt copied.');
+        toast.held = false;
+        toast.dispatchEvent(new Event('focusout'));
+        t.mock.timers.tick(0);
+        t.mock.timers.tick(TOAST_MS - 1);
+        assert.equal(toast.textContent, 'Prompt copied.');
+        t.mock.timers.tick(1);
+        assert.equal(toast.textContent, '');
+
+        // A newer toast replaces a held one and stops waiting for the old one's pointer.
+        showWorkspaceToast('First.');
+        toast.held = true;
+        t.mock.timers.tick(TOAST_MS);
+        showWorkspaceToast('Second.');
+        toast.held = false;
+        toast.dispatchEvent(new Event('pointerleave'));
+        t.mock.timers.tick(TOAST_MS - 1);
+        assert.equal(toast.textContent, 'Second.');
+        t.mock.timers.tick(1);
+        assert.equal(toast.textContent, '');
+    } finally {
+        restore();
+    }
+});
+
+test('a page without the toast shows nothing and does not fail', async () => {
+    const { showWorkspaceToast } = await source;
+    const previous = global.document;
+    global.document = { getElementById: () => null };
+    try {
+        assert.doesNotThrow(() => showWorkspaceToast('Nothing.'));
+    } finally {
+        global.document = previous;
+    }
+});
diff --git a/tools/vendor/frontend-coverage-baseline.json b/tools/vendor/frontend-coverage-baseline.json
index cbe31b2..b4bfa2f 100644
--- a/tools/vendor/frontend-coverage-baseline.json
+++ b/tools/vendor/frontend-coverage-baseline.json
@@ -157,7 +157,7 @@
   },
   "workspace/activity-job-view.mjs": {
     "lines": 97,
-    "branches": 82,
+    "branches": 83,
     "functions": 98,
     "statements": 97
   },
@@ -169,8 +169,8 @@
   },
   "workspace/activity-store.mjs": {
     "lines": 98,
-    "branches": 94,
-    "functions": 95,
+    "branches": 95,
+    "functions": 98,
     "statements": 98
   },
   "workspace/activity.mjs": {
@@ -349,7 +349,7 @@
   },
   "workspace/toast.mjs": {
     "lines": 98,
-    "branches": 86,
+    "branches": 98,
     "functions": 98,
     "statements": 98
   },