v0.2.6

ADR 0011 — the IR as a public input: declare features, don't only detect them. Detection stays the default, but you can now supply the feature model, so a part you built parametrically reads as its own drawing and misdetection becomes recoverable by construction. Plus the first Phase-2 aspect layer (tolerances + fits).

Added

• build_drawing(part, model=…) accepts a caller-supplied PartModel / Sequence[Feature]; detection is skipped and the auto-pass dimensions the declared features (#447).
• Object→feature constructors hole/boss/step/slot/pattern/envelope — read a feature's geometry off the build123d object, or explicit values (#447).
• The fluent Sheet façade (draftwright.Sheet), with Sheet.from_part() seeding the hybrid override mode from detection (#447).
• Toleranced dimensions — a ±/limit tolerance on a diameter/step/hole bore (Sheet.tolerance(...)) (#28).
• Fit-class deviation — Sheet.fit("H7") resolves an ISO 286 fit to its deviation, rendered as the class code (ø20 H7) or signed deviations (show="deviation") (#29).

Changed

• Object constructors honour explicit overrides + validate invalid input at declaration (#451, #452).
• A declared hole/pattern renders at its declared position even where detection missed it (#448).
• Sheet.model() / from_part() no longer build a full drawing just to return the IR (#453).

Fixed

• A narrow diameter band hidden under a larger OD silhouette is no longer silently undimensioned (#298).

Full changelog: CHANGELOG.md