fix(mattermost): suppress draft progress chatter

extensions/mattermost/src/mattermost/monitor.test.ts

@@ -17,6 +17,7 @@ import {
   resolveMattermostThreadSessionContext,
   shouldFinalizeMattermostPreviewAfterDispatch,
   shouldClearMattermostDraftPreview,
+  shouldSuppressMattermostDefaultToolProgressMessages,
   shouldUpdateMattermostDraftToolProgress,
   type MattermostMentionGateInput,
   type MattermostRequireMentionResolverInput,
@@ -314,6 +315,37 @@ describe("shouldUpdateMattermostDraftToolProgress", () => {
   });
 });
 
+describe("shouldSuppressMattermostDefaultToolProgressMessages", () => {
+  type MattermostConfig = NonNullable<NonNullable<OpenClawConfig["channels"]>["mattermost"]>;
+
+  function resolveSuppressDefaultProgress(mattermostConfig: MattermostConfig) {
+    const account = resolveMattermostAccount({
+      cfg: {
+        channels: {
+          mattermost: mattermostConfig,
+        },
+      },
+      accountId: "default",
+      allowUnresolvedSecretRef: true,
+    });
+    return shouldSuppressMattermostDefaultToolProgressMessages(account);
+  }
+
+  it("suppresses standalone progress messages while draft previews are active", () => {
+    expect(resolveSuppressDefaultProgress({ enabled: true })).toBe(true);
+  });
+
+  it("keeps standalone progress messages available when draft streaming is off", () => {
+    expect(
+      resolveSuppressDefaultProgress({
+        streaming: {
+          mode: "off",
+        },
+      }),
+    ).toBe(false);
+  });
+});
+
 describe("shouldClearMattermostDraftPreview", () => {
   it("deletes the preview after successful normal final delivery", () => {
     expect(

extensions/mattermost/src/mattermost/monitor.ts

@@ -127,6 +127,12 @@ export function shouldUpdateMattermostDraftToolProgress(
   );
 }
 
+export function shouldSuppressMattermostDefaultToolProgressMessages(
+  account: Pick<ResolvedMattermostAccount, "streamingMode">,
+): boolean {
+  return account.streamingMode !== "off";
+}
+
 type MediaKind = "image" | "audio" | "video" | "document" | "unknown";
 
 type MattermostReaction = {
@@ -1648,6 +1654,8 @@ export async function monitorMattermostProvider(opts: MonitorMattermostOpts = {}
         });
         const draftPreviewEnabled = account.streamingMode !== "off";
         const draftToolProgressEnabled = shouldUpdateMattermostDraftToolProgress(account);
+        const suppressDefaultToolProgressMessages =
+          shouldSuppressMattermostDefaultToolProgressMessages(account);
         const draftStream = draftPreviewEnabled
           ? createMattermostDraftStream({
               client,
@@ -1844,6 +1852,9 @@ export async function monitorMattermostProvider(opts: MonitorMattermostOpts = {}
                         replyOptions: {
                           ...replyOptions,
                           disableBlockStreaming: true,
+                          ...(suppressDefaultToolProgressMessages
+                            ? { suppressDefaultToolProgressMessages: true }
+                            : {}),
                           onModelSelected,
                           onPartialReply: (payload) => {
                             if (account.streamingMode !== "progress") {