LeetCUDA 20261026

What's Changed

• docs(leetcuda): fix cross-layer correctness issues and add review skill by @DefTruth in #577
• docs(leetcuda): fix correctness issues from six-round audit by @DefTruth in #578
• docs(leetcuda): correct FP8/FP4 quantization claims and bench scope by @DefTruth in #579
• docs(book): R22 correctness audit fixes, R23 de-AI tone pass, and RTD cache cleanup by @DefTruth in #580
• feat(book): cross-file lint for kaogu citations, cross-chapter tables and figure-code indices by @DefTruth in #581
• docs: fix full-book correctness audit findings by @DefTruth in #582
• docs(book): fix ch03 bottleneck claim and 4 listing line refs by @DefTruth in #583

Full Changelog: v4.1.2...v4.1.3