Fix main CI: drop unused import (shake 39→38)#73
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…refinement Port Lee Lemma 1.10 (countable precompact-coordinate-ball basis) and Theorem 1.15 (countable locally finite refinement subordinate to any open cover) into OpenGALib/Manifold/Charts/PrecompactBasis.lean. The source binder [TopologicalManifold n M] is restated as the four Mathlib classes [TopologicalSpace M] [T2Space M] [SecondCountableTopology M] [ChartedSpace (EuclideanSpace ℝ (Fin n)) M]; the TopologicalManifold.locallyCompactSpace_of_topologicalManifold projection is re-pointed to ChartedSpace.locallyCompactSpace. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Single **Math.** anchor tags (dropped **Eng.** proof-narration), module docstring re-framed by architectural layer (basis needs only topology + chart; refinement adds paracompactness via a reusable abstract lemma), provenance footer. Statements and proofs unchanged.
Mathlib.Geometry.Manifold.ContMDiff.Atlas was unused; shake baseline is 38 and the new domain pushed it to 39, failing CI on the #72 main merge. Carried over from the original port; build + linters unaffected.
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main 上 #72 合并后 CI 红:Shake unused-import 检查 39 > 38 基线。新
Manifold域的CoordinateBall.lean带了一个未用 importMathlib.Geometry.Manifold.ContMDiff.Atlas(原移植带来的),删之即回到 38。本 PR 同时带上 develop 上自 #72 以来的内容(#66 precompact-basis + 台账更新)。已本地验证:全库构建 3670 jobs + shake = 38。