Follows #1077: a result-changing fix of an upstream defect is an opt-in
`Kernel::fixes` field and the default is pinned SMLib behaviour.
- WR-214 (#480): the Boolean's topology intersector sets
`split_self_loops_on_vertices` from `proto_edge_self_loop_on_vertex_degenerate`
instead of forcing it off.
- WR-254 (#528): the slice side rule for coincident faces needs
`slice_coincident_faces_sheet_side`; by default the slice takes upstream's
difference rule.
- WR-265 (#388): `put_outer_shells_first` (shell order and the nested-solid
void-flag rewrite) needs `boolean_outer_shell_first`.
The boolean.api_brep runner can now build sheets (SmApiCreatePlane) and operands
that are an SmApiBoolean result, and it gains the C++-confirmed WR-254 and WR-265
repros as fixture cases that pass at the default. Each fix has an issue test with
the field on and a test that pins the default.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011gJAwcLRBPQXYLmvXd3pWf
125 shims carried private copies of the same small helpers (put_vec, st,
nl_status, Rd, dump_crv, read_nurb, ...). Move the most common, byte-identical
form of each into three headers grouped by the upstream API they need, and have
those shims pull them in with `using sc::<name>;`. Shims with a different
variant keep their own copy; files touched by open PRs are left alone.
`the_context()` stays per shim (its function-local SmContext must not be shared).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FBLgPenT24P1dunqnZR1Dj
SmApiBrep.cpp boolean entry points: SmApiBoolean, SmApiBooleanUnion/
Difference/Intersection/Merge, SmApiMergeBreps, SmApiBooleanWithOptions,
SmApiBooleanLists, SmApiBooleanTrees and their static validators. Input
validation is compared against the C++; everything past it reaches SmMerge
and is deferred (boolean.merge_p2, boolean.merge_p3). Co-ports
SmMergeOptions into boolean::merge::p1.
difftest: cases=284 passed=142 failed=0 deferred=142
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BY8UpXKuMci15rAWGXsbsm
Brett Lawson