Function feed_resolve 

pub fn feed_resolve(
    gpu: &dyn GpuBackend,
    kernel: KernelHandle,
    sources: DevicePtr,
    cells: DevicePtr,
    ids_out: DevicePtr,
    n_rows: u32,
    stream: u64,
) -> Result<()>

2026-09-25: ids_out[i] is the inline id when sources[i] has FEED_HOST_BIT set, else cells[sources[i]].