diff --git a/static/commands.js b/static/commands.js
index c09cbf54..c7d9cd52 100644
--- a/static/commands.js
+++ b/static/commands.js
@@ -875,6 +875,26 @@ async function cmdSteer(args){
  * @param {boolean} explicitSteer - True if the user explicitly invoked /steer
  *   (vs the busy-mode auto-fallback). Affects toast wording only.
  */
+function _showSteerIndicator(text){
+  const inner=document.getElementById('msgInner');
+  if(!inner) return;
+  // Remove any existing steer indicator
+  const old=inner.querySelector('.steer-indicator');
+  if(old) old.remove();
+  const el=document.createElement('div');
+  el.className='steer-indicator';
+  const badge=document.createElement('span');
+  badge.className='steer-badge';
+  badge.textContent='Steer';
+  const body=document.createElement('span');
+  body.className='steer-body';
+  body.textContent=text.length>120?text.slice(0,117)+'…':text;
+  el.appendChild(badge);
+  el.appendChild(body);
+  inner.appendChild(el);
+  if(typeof scrollToBottom==='function') scrollToBottom();
+}
+
 async function _trySteer(msg, explicitSteer){
   let result=null;
   try{
@@ -887,6 +907,11 @@ async function _trySteer(msg, explicitSteer){
     result={accepted:false, fallback:'network_error'};
   }
   if(result&&result.accepted){
+    // Show a transient steer indicator in the chat (NOT in S.messages — it must
+    // survive the done event's S.messages=d.session.messages replacement).
+    // The indicator self-removes when the turn completes (done/cancel/error
+    // all call renderMessages which rebuilds msgInner).
+    _showSteerIndicator(msg);
     showToast(t('cmd_steer_delivered'),2500);
     return;
   }
diff --git a/static/style.css b/static/style.css
index 98661718..7b463d4c 100644
--- a/static/style.css
+++ b/static/style.css
@@ -796,6 +796,10 @@
   @media(min-width:1800px){.messages-inner{max-width:1200px;}}
   .msg-row{padding:10px 0;}
   .msg-row+.msg-row{border-top:none;}
+  /* Steer indicator: transient banner below messages, removed on renderMessages rebuild */
+  .steer-indicator{display:flex;align-items:baseline;gap:8px;padding:10px 0;opacity:.65;font-style:italic;color:var(--accent-text);}
+  .steer-indicator .steer-body{white-space:pre-wrap;word-break:break-word;}
+  .steer-badge{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-text);background:var(--accent-bg);border:1px solid var(--accent-bg-strong);border-radius:4px;padding:1px 6px;vertical-align:middle;line-height:1.6;font-style:normal;flex-shrink:0;}
   .msg-role{font-size:12px;font-weight:500;letter-spacing:.01em;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
   .msg-role.user{color:var(--accent);}
   .msg-role.assistant{color:var(--accent-text);opacity:.6;}
diff --git a/tests/test_1062_busy_input_modes.py b/tests/test_1062_busy_input_modes.py
index 934dac8b..47ede9ab 100644
--- a/tests/test_1062_busy_input_modes.py
+++ b/tests/test_1062_busy_input_modes.py
@@ -106,7 +106,7 @@ class TestSlashCommandHandlers:
         # The shared helper must contain the fallback path
         helper_idx = COMMANDS_JS.find("async function _trySteer(")
         assert helper_idx >= 0, "_trySteer helper must exist"
-        helper_body = COMMANDS_JS[helper_idx:helper_idx + 1500]
+        helper_body = COMMANDS_JS[helper_idx:helper_idx + 2000]
         assert "queueSessionMessage" in helper_body
         assert "cancelStream" in helper_body
         # Toast should differ from interrupt to signal it's the steer path
@@ -139,7 +139,7 @@ class TestSlashCommandHandlers:
         # cmdSteer delegates to _trySteer; that helper clears pendingFiles
         idx_try = COMMANDS_JS.find("function _trySteer(")
         assert idx_try >= 0, "_trySteer not found"
-        try_body = COMMANDS_JS[idx_try:idx_try + 1200]
+        try_body = COMMANDS_JS[idx_try:idx_try + 1600]
         assert "S.pendingFiles=[]" in try_body, (
             "_trySteer must clear S.pendingFiles in its fallback path — "
             "without this, files are lost on steer→interrupt fallback"