diff --git a/index.js b/index.js
index 12fd08e..6a83d38 100644
--- a/index.js
+++ b/index.js
@@ -1291,6 +1291,7 @@ let lastExtractionWarningAt = 0;
 const LOCAL_VECTOR_TIMEOUT_MS = 300000;
 const EXTRACTION_VECTOR_SYNC_TIMEOUT_MS = 300000;
 const STATUS_TOAST_THROTTLE_MS = 1500;
+const STAGE_NOTICE_USER_DISMISS_COOLDOWN_MS = 5 * 60 * 1000;
 const RECALL_INPUT_RECORD_TTL_MS = 60000;
 const TRIVIAL_GENERATION_SKIP_TTL_MS = 60000;
 const HISTORY_RECOVERY_SETTLE_MS = 80;
@@ -1351,6 +1352,7 @@ const backgroundVectorSyncCoalescer =
         },
       };
 const lastStatusToastAt = {};
+const dismissedStageNoticeSignatures = new Map();
 let pendingRecallSendIntent = createRecallInputRecord();
 let lastRecallSentUserMessage = createRecallInputRecord();
 let pendingHostGenerationInputSnapshot = createRecallInputRecord();
@@ -4802,6 +4804,36 @@ function refreshVisibleStageNotices() {
   }
 }
 
+function buildStageNoticeSignature(stage, input = {}) {
+  return [
+    String(stage || ""),
+    String(input?.title || ""),
+    String(input?.level || ""),
+    String(input?.message || ""),
+    String(input?.action?.label || ""),
+  ].join("\u001f");
+}
+
+function isStageNoticeDismissedByUser(stage, signature) {
+  if (!stage || !signature) return false;
+  const record = dismissedStageNoticeSignatures.get(stage);
+  if (!record || record.signature !== signature) return false;
+  const dismissedAt = Number(record.dismissedAt || 0);
+  if (Date.now() - dismissedAt <= STAGE_NOTICE_USER_DISMISS_COOLDOWN_MS) {
+    return true;
+  }
+  dismissedStageNoticeSignatures.delete(stage);
+  return false;
+}
+
+function rememberStageNoticeUserDismiss(stage, signature) {
+  if (!stage || !signature) return;
+  dismissedStageNoticeSignatures.set(stage, {
+    signature,
+    dismissedAt: Date.now(),
+  });
+}
+
 function updateStageNotice(
   stage,
   text,
@@ -4832,9 +4864,20 @@ function updateStageNotice(
             : undefined
         : options.action,
   };
+  let signature = "";
+  input.onDismiss = ({ reason } = {}) => {
+    if (reason === "user") {
+      rememberStageNoticeUserDismiss(stage, signature);
+    }
+    if (stageNoticeHandles[stage]?.isClosed?.()) {
+      stageNoticeHandles[stage] = null;
+    }
+  };
+  signature = buildStageNoticeSignature(stage, input);
 
   const currentHandle = stageNoticeHandles[stage];
   if (!currentHandle || currentHandle.isClosed?.()) {
+    if (isStageNoticeDismissedByUser(stage, signature)) return;
     stageNoticeHandles[stage] = showManagedBmeNotice(input);
     return;
   }
diff --git a/ui/notice.js b/ui/notice.js
index 2811ab7..759fe1d 100644
--- a/ui/notice.js
+++ b/ui/notice.js
@@ -501,10 +501,15 @@ export function showManagedBmeNotice(input) {
     closeTimer = null;
   };
 
-  const close = () => {
+  const close = (reason = "programmatic") => {
     if (closed) return;
     clearCloseTimer();
     closed = true;
+    try {
+      currentInput.onDismiss?.({ reason });
+    } catch (error) {
+      console.debug?.("[ST-BME] notice dismiss callback failed", error);
+    }
     item.classList.add("st-bme-notice--out");
     setTimeout(() => {
       item.remove();
@@ -518,7 +523,7 @@ export function showManagedBmeNotice(input) {
     clearCloseTimer();
     if (nextInput.persist) return;
     const duration = Math.max(1400, nextInput.duration_ms || 3200);
-    closeTimer = setTimeout(close, duration);
+    closeTimer = setTimeout(() => close("auto"), duration);
   };
 
   const update = (nextInput) => {
@@ -539,7 +544,7 @@ export function showManagedBmeNotice(input) {
   closeButton.addEventListener("click", (event) => {
     event.preventDefault();
     event.stopPropagation();
-    close();
+    close("user");
   });
 
   content.addEventListener("click", (event) => {
@@ -565,7 +570,7 @@ export function showManagedBmeNotice(input) {
       if (nextLayout === "normal" && !currentInput.persist) {
         clearCloseTimer();
         const duration = Math.max(1400, currentInput.duration_ms || 3200);
-        closeTimer = setTimeout(close, duration);
+        closeTimer = setTimeout(() => close("auto"), duration);
         const progressEl = item.querySelector(".st-bme-notice__progress");
         if (progressEl) {
           progressEl.style.display = "";