Techniques

What CORA would run at HXN: the Capabilities and portable Catalog Methods, bound through an NSLS-II Practice.

HXN does scanning nano-XRF mapping, ptychography, nano-tomography, and spectro-tomography, all variants of one act: raster the sample through the focus and read the per-point detectors. The big modeling question HXN raises is whether scanning and ptychography are new Capabilities or fit existing ones; this scaffold defers coining them, following the Diamond i03/i22 and 32-ID precedent (no new Capability coined for a design-phase reverse-engineered deployment until a real conduct-path consumes it).

HXN technique	CORA expression	Earn-the-abstraction call
Scanning XRF mapping	Method under acquisition (a raster of per-point spectra)	Defer coining a scanning Capability; trigger = first raster conduct-path, or a 2nd scanning beamline
Ptychography	the same raster with a Camera in the detector slot + offline reconstruction	Defer; ptychography is not its own Capability. The reconstruction is a ComputePort leg, not a beamline Method
Nano-tomography	tomography	reuse; raster x rotation, the same family as 2-BM/FXI tomography
Spectro-tomography	compose tomography + energy change	reuse; do not coin spectro_tomography
XANES / energy change	beamline_energy_change	reuse; but the HXN energy change co-moves the zone-plate refocus per element (ENERGY-1), a richer move than FXI's mono-only change
Alignment	alignment	reuse (line-center, knife-edge, center-of-mass)

The central new shape, scanning-probe acquisition with multi-modal per-point detection, is the strongest in-kind argument the catalog has seen for a scanning Capability (the raster is the measurement, not a frame at a fixed pose). It is held open deliberately, not because it is weak, but because the discipline is to coin a Capability when a conduct-path forces it, not at scaffold time. See the Controls seam for how CORA's conducting engine would run the raster over the ControlPort and the ptychographic reconstruction over the ComputePort.