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ajandClaude Fable 5.1
8f27eac2ca
Plates with staged automatic scrap cut-offs could not be planned: P260810-01 plate 1 ran out of budget even at 10x effort, while the same plate plans Ready in 3.6k expansions without the lines. A cut-off was one fixed program cut whole before every part its line passes through, which dragged the tour to the middle of the sheet and left the head at the far edge of the line; and cutting every line first (the rejected alternative) weakens the sheet and breaks the containment operators rely on when they fast-forward a changed program. A cut-off stays one definition, but Plate.RegenerateCutOffs now makes one part per trimmed segment, each with its own place in the cut sequence. CutOffSegments gives each segment the span of the nominal line it stands for (end of the segment before it to start of the one after), and the dependency rules of the planner and Part Sequencing use that span, so a segment precedes only the parts beside it. The free-order search plans the parts as if the segments were not there, so adding lines no longer changes a plate's route, then CutOffInsertion slides each segment into the latest gap before its first part where the rapid into its pierce and the rapid from its end cross nothing cut before; only when one fits nowhere is the plate searched with the segments among the parts. The search looks through segments wherever they sit (entries face the next part, hole routes rank from the pre-segment position, rapids are still checked from the segment's end), so an applied plan replanned with the order kept replays Ready. Segments saved out of consecutive order are recorded per segment in the .nest file (`segments`); older readers load them consecutively. P260810-01 plate 1 now plans Ready in 3639 expansions with every check passing; rapid travel 1836 against 1547 without the lines. Plates without cut-offs keep their PlanningCharacterizationTests digests, and the problem-nest corpus has no plate below its baseline. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>