feat(spec): add lesson model contract (ADR-0005)

forked from EduCraft/curriculum-project-hub

First product-core concept in the semantic master spec: a curriculum
engineering file is one lesson, modeled as an ordered sequence of typed
element instances over an open kind universe.

- docs/adr/0005: lesson model decision narrative + deferred OPEN items
- spec/Spec/Courseware/Lesson.lean: Primitives carrier (KindId/ElementData/
  TargetId/RenderRule kept abstract), Element, Lesson, RenderConfig, and the
  first checker seed (WarnsIgnored: used-kind-with-no-render-rule => warning)
- wire Spec.lean -> Spec.Courseware; drop placeholder Basic.lean

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

This commit is contained in:

李知远

2026-06-21 23:11:47 +08:00

parent 3a22669f0a

commit 4a828e07b9

5 changed files with 256 additions and 2 deletions

									
										spec/Spec.lean
									
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				-- This module serves as the root of the `Spec` library.

				-- Import modules here that should be built as part of the library.

				import Spec.Basic

				import Spec.Courseware