expect(updates.join("\n")).not.toContain("Checking Reading");

});

it("extracts mm:think reasoning snapshots for Slack progress draft previews", async () => {

const draftStream = createDraftStreamStub();

createSlackDraftStreamMock.mockReturnValueOnce(draftStream);

mockedDispatchSequence = [];

mockedReplyOptionEvents = [

{

kind: "reasoning",

text: "<mm:think>Reading\nChecking</mm:think>",

isReasoningSnapshot: true,

},

];

await dispatchPreparedSlackMessage(

createPreparedSlackMessage({

accountConfig: { streaming: { progress: { label: "Shelling" } } },

}),

);

expect(draftStream.update).toHaveBeenLastCalledWith(

["Shelling", "• Reading Checking"].join("\n"),

);

const updates = draftStream.update.mock.calls.map((call) => String(call[0]));

expect(updates.join("\n")).toContain("Reading Checking");

});

it("keeps plain Slack reasoning content that starts with Thinking", async () => {

const draftStream = createDraftStreamStub();

createSlackDraftStreamMock.mockReturnValueOnce(draftStream);

"🛠️": "hammer_and_wrench",

"💻": "computer",

};

const SLACK_REASONING_TAG_RE = /<\s*(\/?)\s*(?:think(?:ing)?|thought|antthinking)\b[^<>]*>/gi;

const SLACK_REASONING_TAG_RE =

/<\s*(\/?)\s*(?:(?:antml:|mm:)?(?:think(?:ing)?|thought)|antthinking)\b[^<>]*>/gi;

const SLACK_REASONING_LABEL_PREFIX_RE = /^\s*(?:>\s*)?Reasoning:\s*/iu;

const SLACK_THINKING_LABEL_PREFIX_RE = /^\s*(?:>\s*)?Thinking\.{0,3}(?=\s*(?:\n|_))/iu;