diff --git a/ui/src/pages/chat/chat-composer-actions.test.ts b/ui/src/pages/chat/chat-composer-actions.test.ts
index 8612af1235c8..c278adcc295a 100644
--- a/ui/src/pages/chat/chat-composer-actions.test.ts
+++ b/ui/src/pages/chat/chat-composer-actions.test.ts
@@ -294,10 +294,10 @@ describe("renderChatComposer controls", () => {
         textarea.value = liveDraft;
       }
 
-      pressComposerEnter(container, modifiers);
+      const action = pressComposerEnter(container, modifiers);
 
       expect(onSend).toHaveBeenCalledOnce();
-      expect(onSend).toHaveBeenCalledWith("steer");
+      expect(onSend).toHaveBeenCalledWith("steer", action);
     },
   );
 
@@ -319,9 +319,27 @@ describe("renderChatComposer controls", () => {
         sendShortcut,
       });
 
-      pressComposerEnter(container, { altKey, ctrlKey: true });
+      const action = pressComposerEnter(container, { altKey, ctrlKey: true });
 
-      expect(onSend.mock.calls).toEqual([[]]);
+      expect(onSend.mock.calls).toEqual([[undefined, action]]);
+    },
+  );
+
+  it.each(["keyboard", "pointer"] as const)(
+    "passes the original %s submission event through the composer",
+    (kind) => {
+      const onSend = vi.fn();
+      const { container } = renderComposer({ draft: "Repeat this message", onSend });
+      const action =
+        kind === "keyboard"
+          ? pressComposerEnter(container)
+          : new MouseEvent("click", { bubbles: true, cancelable: true });
+
+      if (kind === "pointer") {
+        primaryButton(container).dispatchEvent(action);
+      }
+
+      expect(onSend).toHaveBeenCalledWith(undefined, action);
     },
   );
 
diff --git a/ui/src/pages/chat/chat-pane-render.ts b/ui/src/pages/chat/chat-pane-render.ts
index 9f41c98f9155..458a9d236037 100644
--- a/ui/src/pages/chat/chat-pane-render.ts
+++ b/ui/src/pages/chat/chat-pane-render.ts
@@ -529,7 +529,7 @@ export class ChatPane extends ChatPaneLayoutRender {
         state.requestUpdate?.();
       },
       onRemoveAttachment: this.removeBrowserAnnotation,
-      onSend: (followUpModeOverride) =>
+      onSend: (followUpModeOverride, submissionAction) =>
         catalogKey
           ? void this.continueCatalogSession(catalogKey)
           : suggestionViewer
@@ -537,6 +537,7 @@ export class ChatPane extends ChatPaneLayoutRender {
             : void state.handleSendChat(
                 undefined,
                 followUpModeOverride ? { followUpMode: followUpModeOverride } : undefined,
+                submissionAction,
               ),
       onCompact: sessionActionCallbacks.onCompact,
       // Checkpoint deep-link carries the archived filter so the row stays findable.
diff --git a/ui/src/pages/chat/chat-send-submit.ts b/ui/src/pages/chat/chat-send-submit.ts
index ea8754d06d8f..3be87b5fd84e 100644
--- a/ui/src/pages/chat/chat-send-submit.ts
+++ b/ui/src/pages/chat/chat-send-submit.ts
@@ -195,6 +195,7 @@ export async function handleSendChat(
   host: ChatHost,
   messageOverride?: string,
   opts?: ChatSendSubmitOptions,
+  submissionAction?: Event,
 ) {
   const previousDraft = host.chatMessage;
   const userMessage = (messageOverride ?? host.chatMessage).trim();
@@ -470,7 +471,7 @@ export async function handleSendChat(
   // Keep their guards independent so submitting one cannot suppress the other.
   const submitKind = requestedEditId ? "queued-edit" : "message";
   const submitKey = chatSubmitKey(host, submitKind, effectiveMessage, attachmentsToSend);
-  await withChatSubmitGuard(host, submitKey, async () => {
+  const submitMessage = async () => {
     if (host.chatLoading) {
       // A terminal event can render before its authoritative leaf arrives.
       // Reuse the in-flight history request before fencing the follow-up send.
@@ -593,7 +594,8 @@ export async function handleSendChat(
       // The reconnect queue owns the quote; later offline turns must not reuse it.
       host.chatReplyTarget = null;
     }
-  });
+  };
+  await withChatSubmitGuard(host, submitKey, submitMessage, submissionAction);
 }
 
 function prependReplyQuote(
diff --git a/ui/src/pages/chat/chat-send.test.ts b/ui/src/pages/chat/chat-send.test.ts
index 4deb8d61ad9d..27648d238083 100644
--- a/ui/src/pages/chat/chat-send.test.ts
+++ b/ui/src/pages/chat/chat-send.test.ts
@@ -5821,6 +5821,26 @@ describe("handleSendChat", () => {
     expect(host.chatMessages).toStrictEqual([]);
   });
 
+  it("queues identical messages from distinct user actions while coalescing re-entry", async () => {
+    const sent = createDeferred<unknown>();
+    const host = makeChatHost({
+      requestHandlers: { "chat.send": () => sent.promise },
+    });
+    const firstAction = new Event("submit");
+    const secondAction = new Event("submit");
+
+    const first = handleSendChat(host, "same prompt", undefined, firstAction);
+    const reentry = handleSendChat(host, "same prompt", undefined, firstAction);
+    const second = handleSendChat(host, "same prompt", undefined, secondAction);
+
+    expect(host.request.mock.calls.filter(([method]) => method === "chat.send")).toHaveLength(1);
+    expect(host.chatQueue).toHaveLength(2);
+    expect(host.chatQueue.map((item) => item.text)).toEqual(["same prompt", "same prompt"]);
+
+    sent.resolve({ runId: host.chatQueue[0]?.sendRunId, status: "started" });
+    await Promise.all([first, reentry, second]);
+  });
+
   it("keeps an acknowledged live send pending while durable history is briefly stale", async () => {
     let historyRequests = 0;
     let runId: string | undefined;
diff --git a/ui/src/pages/chat/chat-state-controller.ts b/ui/src/pages/chat/chat-state-controller.ts
index d0b9b705318b..0919dbf6dd0b 100644
--- a/ui/src/pages/chat/chat-state-controller.ts
+++ b/ui/src/pages/chat/chat-state-controller.ts
@@ -89,8 +89,8 @@ export class ChatStateController<TState extends ChatPageHost> implements Reactiv
     state.requestUpdate = () => renderLifecycle.invalidate();
     this.cleanups.push(subscribeChatOutboxProjection(state));
     const sendChat = state.handleSendChat;
-    state.handleSendChat = async (messageOverride, options) => {
-      const pending = sendChat(messageOverride, options);
+    state.handleSendChat = async (messageOverride, options, submissionAction) => {
+      const pending = sendChat(messageOverride, options, submissionAction);
       renderLifecycle.invalidate();
       try {
         await pending;
diff --git a/ui/src/pages/chat/chat-state-host.ts b/ui/src/pages/chat/chat-state-host.ts
index 553c06d94874..5667faeb7267 100644
--- a/ui/src/pages/chat/chat-state-host.ts
+++ b/ui/src/pages/chat/chat-state-host.ts
@@ -135,7 +135,11 @@ export type ChatPageHost = ChatHost &
     handleChatScroll: (event: Event) => void;
     handleChatDraftChange: (next: string) => void;
     handleChatInputHistoryKey: (input: ChatInputHistoryKeyInput) => ChatInputHistoryKeyResult;
-    handleSendChat: (messageOverride?: string, options?: unknown) => Promise<void>;
+    handleSendChat: (
+      messageOverride?: string,
+      options?: unknown,
+      submissionAction?: Event,
+    ) => Promise<void>;
     handleAbortChat: (options?: unknown) => Promise<void>;
     removeQueuedMessage: (id: string) => void;
     retryQueuedChatMessage: (id: string) => Promise<void>;
diff --git a/ui/src/pages/chat/chat-state-page.ts b/ui/src/pages/chat/chat-state-page.ts
index c555b97113db..6780a34b9aca 100644
--- a/ui/src/pages/chat/chat-state-page.ts
+++ b/ui/src/pages/chat/chat-state-page.ts
@@ -293,7 +293,7 @@ export function createPageState(
   };
   attachChatRealtimeActions(state);
   state.loadAssistantIdentity = () => loadPageAssistantIdentity(state);
-  state.handleSendChat = (messageOverride, options) => {
+  state.handleSendChat = (messageOverride, options, submissionAction) => {
     const message = messageOverride ?? state.chatMessage;
     const isCommand =
       parseSlashCommand(message) !== null ||
@@ -312,7 +312,7 @@ export function createPageState(
     ) {
       autoPromptNotificationsOnSend(context);
     }
-    return handleSendChat(state, messageOverride, options as never);
+    return handleSendChat(state, messageOverride, options as never, submissionAction);
   };
   state.handleAbortChat = async (options) => {
     await handleAbortChat(state, options as never);
diff --git a/ui/src/pages/chat/chat-submit-guard.ts b/ui/src/pages/chat/chat-submit-guard.ts
index 87daa4413f8b..f067ce84e51e 100644
--- a/ui/src/pages/chat/chat-submit-guard.ts
+++ b/ui/src/pages/chat/chat-submit-guard.ts
@@ -1,25 +1,35 @@
+import { generateUUID } from "../../lib/uuid.ts";
 import type { ChatHost } from "./chat-send-contract.ts";
 
+const submissionActionIds = new WeakMap<Event, string>();
+
 export async function withChatSubmitGuard<T>(
   host: ChatHost,
   key: string,
   run: () => Promise<T>,
+  action?: Event,
 ): Promise<T | undefined> {
+  let guardKey = key;
+  if (action) {
+    const actionId = submissionActionIds.get(action) ?? generateUUID();
+    submissionActionIds.set(action, actionId);
+    guardKey = `${key}\0${actionId}`;
+  }
   const guards = (host.chatSubmitGuards ??= new Map<string, Promise<void>>());
-  if (guards.has(key)) {
+  if (guards.has(guardKey)) {
     return undefined;
   }
   let releaseGuard!: () => void;
   const guard = new Promise<void>((resolve) => {
     releaseGuard = resolve;
   });
-  guards.set(key, guard);
+  guards.set(guardKey, guard);
   try {
     return await run();
   } finally {
     releaseGuard();
-    if (guards.get(key) === guard) {
-      guards.delete(key);
+    if (guards.get(guardKey) === guard) {
+      guards.delete(guardKey);
     }
   }
 }
diff --git a/ui/src/pages/chat/components/chat-composer-controls.ts b/ui/src/pages/chat/components/chat-composer-controls.ts
index c027657d6abc..23410520aff8 100644
--- a/ui/src/pages/chat/components/chat-composer-controls.ts
+++ b/ui/src/pages/chat/components/chat-composer-controls.ts
@@ -36,7 +36,7 @@ export type ChatRunControlsProps = {
   onDictationPointerDown?: (event: PointerEvent) => void;
   onPrimaryActionPointerDown?: (event: PointerEvent) => void;
   onAbort?: () => void;
-  onSend: () => void;
+  onSend: (submissionAction?: Event) => void;
   onToggleVoice?: () => void;
   onToggleCamera?: () => void;
   microphonePicker?: TemplateResult | typeof nothing;
@@ -222,8 +222,8 @@ export function renderChatPrimaryActions(props: ChatRunControlsProps) {
   const activeRunActionTooltip = queueSteerShortcutAvailable
     ? `${activeRunActionLabel} ⏎ · ${t("chat.queue.steer")} ${t("chat.sendShortcutModifierEnter")}`
     : activeRunActionLabel;
-  // Lit passes the click event to handlers; keep it out of the scalar send override.
-  const send = () => props.onSend();
+  // Preserve the click identity without mistaking it for a follow-up mode.
+  const send = (event: Event) => props.onSend(event);
   const abortAction = props.canAbort
     ? html`
         <openclaw-tooltip .content=${t("chat.runControls.stop")}>
diff --git a/ui/src/pages/chat/components/chat-composer-keydown.ts b/ui/src/pages/chat/components/chat-composer-keydown.ts
index 7fed2231aad3..bf867ce35448 100644
--- a/ui/src/pages/chat/components/chat-composer-keydown.ts
+++ b/ui/src/pages/chat/components/chat-composer-keydown.ts
@@ -207,9 +207,9 @@ export function createComposerKeyDownHandler({
       commitDraft(target.value);
       const steerImmediately = steerNowEnabled && (event.metaKey || event.ctrlKey) && !event.altKey;
       if (steerImmediately) {
-        props.onSend("steer");
+        props.onSend("steer", event);
       } else {
-        props.onSend();
+        props.onSend(undefined, event);
       }
       syncDraftAfterSend(target);
     }
diff --git a/ui/src/pages/chat/components/chat-composer-types.ts b/ui/src/pages/chat/components/chat-composer-types.ts
index d7bc20a5ad3a..e0323f93e8f9 100644
--- a/ui/src/pages/chat/components/chat-composer-types.ts
+++ b/ui/src/pages/chat/components/chat-composer-types.ts
@@ -126,7 +126,7 @@ export type ChatComposerProps = ChatAttachmentControlsProps & {
   onDraftChange: (next: string) => void;
   onHistoryKeydown?: (input: ChatInputHistoryKeyInput) => ChatInputHistoryKeyResult;
   onSlashIntent?: () => void | Promise<void>;
-  onSend: (followUpModeOverride?: "steer") => void;
+  onSend: (followUpModeOverride?: "steer", submissionAction?: Event) => void;
   onCompact?: () => void | Promise<void>;
   onToggleRealtimeTalk?: () => void;
   onToggleRealtimeCamera?: () => void;
diff --git a/ui/src/pages/chat/components/chat-composer.ts b/ui/src/pages/chat/components/chat-composer.ts
index a03c4a045a70..d24327d36bce 100644
--- a/ui/src/pages/chat/components/chat-composer.ts
+++ b/ui/src/pages/chat/components/chat-composer.ts
@@ -327,7 +327,7 @@ export function renderChatComposer(props: ChatComposerProps) {
     commitComposerDraft(props, target.value);
     props.onTypingChange?.(false);
   };
-  const handleSend = () => {
+  const handleSend = (submissionAction?: Event) => {
     const draft = state.composerTextarea?.value ?? props.draft;
     if (!canSubmitDraft(draft)) {
       return;
@@ -336,7 +336,7 @@ export function renderChatComposer(props: ChatComposerProps) {
     state.composingDraft = null;
     commitComposerDraft(props, draft);
     props.onTypingChange?.(false);
-    props.onSend();
+    props.onSend(undefined, submissionAction);
     syncComposerDraftAfterSend(state.composerTextarea);
   };
   const handleVoicePrimaryAction = () => {