Function setOnClose

src/bridge/replBridgeTransport.ts:304–315

(cb)

      sse.setOnData(cb)
    },
    setOnClose(cb) {
      onCloseCb = cb
      // SSE reconnect-budget exhaustion fires onClose(undefined) — map to
      // 4092 so ws_closed telemetry can distinguish it from HTTP-status
      // closes (SSETransport:280 passes response.status). Stop CCRClient's
      // heartbeat timer before notifying replBridge. (sse.close() doesn't
      // invoke this, so the epoch-mismatch path above isn't double-firing.)
      sse.setOnClose(code => {
        ccr.close()
        cb(code ?? 4092)
      })
    },
    setOnConnect(cb) {
      onConnectCb = cb
    },