);

});

it("rejects lowercased LINE-shaped recipients (#81628 safety net)", async () => {

// 33-char value with lowercase leading char — what an upstream session-key

// fragment looked like before the cron-tool fix. LINE rejects with HTTP 400

// anyway; throwing locally keeps the failure permanent so delivery-recovery

// moves the entry to failed/ immediately instead of silently retrying 5×.

await expect(

sendModule.pushMessagesLine(

"cabcdef0123456789abcdef0123456789",

[{ type: "text", text: "hello" }],

{ cfg: LINE_TEST_CFG },

),

).rejects.toThrow(/Recipient is not a valid LINE id/);

expect(pushMessageMock).not.toHaveBeenCalled();

});

it("accepts case-exact LINE recipients with the leading capital preserved", async () => {

await sendModule.pushMessagesLine(

"Cabcdef0123456789abcdef0123456789",

[{ type: "text", text: "hello" }],

{ cfg: LINE_TEST_CFG },

);

expect(pushMessageMock).toHaveBeenCalledWith({

to: "Cabcdef0123456789abcdef0123456789",

messages: [{ type: "text", text: "hello" }],

});

});

it("logs HTTP body when push fails", async () => {

const err = new Error("LINE push failed") as Error & {

status: number;