Issues

• Thread the cell basis, not the per-axis integer, through the field layer's spatial_moments= width

  level:L2module:transporttype:improvement
  deOliveira-R/ORPHEUS#662 · Filter by author deOliveira-R opened on Oct 25, 2026

• Diffusion: DiffusionMethodSpace carries a face no realizer reads (sibling of the SN method-space collapse)

  level:L0module:diffusiontype:improvement
  deOliveira-R/ORPHEUS#661 · Filter by author deOliveira-R opened on Oct 24, 2026

• ProblemSpec.boundary_kinds is written by 19 cases and read by nothing: retire it or derive it from the exterior

  level:L0module:derivationstype:improvement
  deOliveira-R/ORPHEUS#660 · Filter by author deOliveira-R opened on Oct 24, 2026

• transport: SN and diffusion realizer tables refuse another method's own condition as plumbing

  level:L2module:transporttype:feature
  deOliveira-R/ORPHEUS#659 · Filter by author deOliveira-R opened on Oct 23, 2026

• geometry: the colouring group of a 2-D structured mesh (Mesh2D.symmetry is uncomputed)

  level:L1module:geometrytype:feature
  deOliveira-R/ORPHEUS#658 · Filter by author deOliveira-R opened on Oct 23, 2026

• geometry: RigidMotion reads its own reflection plane (the inverse of mirror_motion has no home)

  level:L1module:geometrytype:improvement
  deOliveira-R/ORPHEUS#657 · Filter by author deOliveira-R opened on Oct 23, 2026

• Diffusion: a prescribed inflow (affine boundary source) has no channel in the diffusion realization

  level:L3module:diffusiontype:feature
  deOliveira-R/ORPHEUS#656 · Filter by author deOliveira-R opened on Oct 23, 2026

• MC: the lattice pitch is a separate parameter that nothing compares with the declared geometry's extent

  level:L3module:mctype:bug
  deOliveira-R/ORPHEUS#655 · Filter by author deOliveira-R opened on Oct 23, 2026
  1

• CP, MoC, MC: the boundary realizer tables hold only what the old string registries held

  level:L3module:cptype:feature
  deOliveira-R/ORPHEUS#654 · Filter by author deOliveira-R opened on Oct 23, 2026

• SN curvilinear: the radial characteristic's corner action is ruled only for permuting and zero returns; isotropic return, combinations and inflow are refused

  level:L3module:sntype:feature
  deOliveira-R/ORPHEUS#653 · Filter by author deOliveira-R opened on Oct 23, 2026

• numerics.index_set: IndexSet and EnergyGroups are one implementation twice; a shared finite-set base

  level:L1module:numericstype:improvement
  deOliveira-R/ORPHEUS#652 · Filter by author deOliveira-R opened on Oct 23, 2026

• MoC MMS: drive the production solver from a plain-data track table; retire the reference's copy of the sweep kernel

  level:L1module:moctype:improvement
  deOliveira-R/ORPHEUS#651 · Filter by author deOliveira-R opened on Oct 23, 2026

• Reference specification: state prescribed inflow, combined walls and zero flux in plain data

  level:L0module:derivationstype:feature
  deOliveira-R/ORPHEUS#650 · Filter by author deOliveira-R opened on Oct 22, 2026

• Coefficient provider type: CrossSectionField is built three ways (MaterialXSField classmethods, HomogeneousProblem properties, MultiplicationOperator.from_mesh)

  level:L0module:transporttype:improvement
  deOliveira-R/ORPHEUS#649 · Filter by author deOliveira-R opened on Oct 22, 2026

• Per-cell nu-Sigma_f has two upstream sources: the fission operator's gather vs MaterialXSField; the k numerator should read F's own production rate

  level:L1module:transporttype:bug
  deOliveira-R/ORPHEUS#648 · Filter by author deOliveira-R opened on Oct 22, 2026
  1

• data: 'cell' names two things in adjacent modules (cells.py: material x channel; cell_xs.py: spatial mesh cell)

  level:L0module:datatype:improvement
  deOliveira-R/ORPHEUS#647 · Filter by author deOliveira-R opened on Oct 22, 2026

• Legacy-mesh adapter: its retirement trigger (#225, C5.2-C5.5) has fired; retire legacy_adapter.py by its two halves

  level:L0module:sntype:improvement
  deOliveira-R/ORPHEUS#646 · Filter by author deOliveira-R opened on Oct 22, 2026

• Docstring xref gate declines (never reports dead) every dead absolute :func:/:class:/:meth:/:attr: target

  level:L0module:teststype:bug
  deOliveira-R/ORPHEUS#645 · Filter by author deOliveira-R opened on Oct 22, 2026
  1

• EnergyAxis.of_edges accepts unordered edges: the group-structure invariant's home is a numerics energy partition (layer_dag ruling 2)

  level:L0module:numericstype:improvement
  deOliveira-R/ORPHEUS#644 · Filter by author deOliveira-R opened on Oct 22, 2026

• Transport carrier-admission guards: tag SCOPE-BOUNDARY[guard] (the typed method carrier retires them); one admission mechanism

  level:L0module:transporttype:improvement
  deOliveira-R/ORPHEUS#643 · Filter by author deOliveira-R opened on Oct 22, 2026
  1

• Energy-arm unanimity law in two shapes: Materials.uniform_group_count (ng) and energy_axis_of (edges)

  level:L0module:datatype:improvement
  deOliveira-R/ORPHEUS#642 · Filter by author deOliveira-R opened on Oct 22, 2026

• cp imports the private _ki3_mp from its flat_source_cp reference: a shared kernel across production and reference

  level:L1module:cptype:improvement
  deOliveira-R/ORPHEUS#641 · Filter by author deOliveira-R opened on Oct 22, 2026

• Pyright ratchet passes vacuously in every .claude/worktrees checkout (filesAnalyzed: 0)

  level:L0module:teststype:bug
  deOliveira-R/ORPHEUS#640 · Filter by author deOliveira-R opened on Oct 22, 2026

• One closed sum for an axis's index structure (atoms, cells, degrees, modes)

  level:L0module:numericstype:improvement
  deOliveira-R/ORPHEUS#639 · Filter by author deOliveira-R opened on Oct 22, 2026

• Refuse a regenerated __eq__ on a FunctionSpace subclass at class creation

  level:L0module:numericstype:improvement
  deOliveira-R/ORPHEUS#638 · Filter by author deOliveira-R opened on Oct 22, 2026