diff --git a/docs/pr-media/1834/compression-toast-visible.png b/docs/pr-media/1834/compression-toast-visible.png
new file mode 100644
index 00000000..045ba46b
Binary files /dev/null and b/docs/pr-media/1834/compression-toast-visible.png differ
diff --git a/static/messages.js b/static/messages.js
index 75758f7c..52402e5d 100644
--- a/static/messages.js
+++ b/static/messages.js
@@ -1152,7 +1152,7 @@ function attachLiveStream(activeSid, streamId, uploaded=[], options={}){
       }
       if(typeof _setCompressionSessionLock==='function') _setCompressionSessionLock(null);
       if(!S.busy&&typeof renderMessages==='function') renderMessages();
-      showToast(message||'Context compressed');
+      showToast(message||'Context compressed', 8000);
     });
 
     source.addEventListener('metering',e=>{
diff --git a/tests/test_auto_compression_card.py b/tests/test_auto_compression_card.py
index aaac6b7e..a14bf2ef 100644
--- a/tests/test_auto_compression_card.py
+++ b/tests/test_auto_compression_card.py
@@ -103,6 +103,21 @@ def test_auto_compression_card_reuses_compression_card_renderer():
     assert "auto_compress_label" in helper
 
 
+def test_auto_compression_compressed_sse_showtoast_has_explicit_longer_duration():
+    block = _compressed_listener_block()
+
+    assert 'showToast' in block
+    # Must call showToast with an explicit duration that is meaningfully longer
+    # than the default (3000 ms) so the compressed event toast is harder to miss.
+    import re
+    m = re.search(r'showToast\(.*?,\s*(\d+)\s*\)', block)
+    assert m is not None, 'showToast call in compressed SSE handler has no explicit duration'
+    duration = int(m.group(1))
+    assert duration >= 8000, (
+        f'compressed SSE showToast duration ({duration} ms) must be >= 8000 ms'
+    )
+
+
 def test_auto_compression_card_survives_compression_session_rotation():
     src = _read("static/messages.js")