From 7cf0f7d42d7780c2af4b1bda0e31da4332699724 Mon Sep 17 00:00:00 2001
From: zhayujie <yjzha1996@163.com>
Date: Mon, 8 Jun 2026 15:48:21 +0800
Subject: [PATCH] fix(web): self-heal stuck Cancel send button

---
 channel/web/static/js/console.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/channel/web/static/js/console.js b/channel/web/static/js/console.js
index fef64b76..42179fb8 100644
--- a/channel/web/static/js/console.js
+++ b/channel/web/static/js/console.js
@@ -1298,8 +1298,15 @@ sendBtn.addEventListener('click', () => {
 
 function updateSendBtnState() {
     if (sendBtnMode === 'cancel') {
-        // Don't downgrade a Cancel button on input edits.
-        return;
+        // Self-heal a stuck Cancel button: if there's no live stream backing
+        // the current request, the cancel state leaked (e.g. a stream ended
+        // without resetting). Recover to Send so the input isn't blocked.
+        if (!activeRequestId || !activeStreams[activeRequestId]) {
+            resetSendBtnSendMode();
+        } else {
+            // Don't downgrade a genuinely active Cancel button on input edits.
+            return;
+        }
     }
     sendBtn.disabled = uploadingCount > 0 || (!chatInput.value.trim() && pendingAttachments.length === 0);
 }