follow dev8, 1. 修复匹配/ZR耦合归一漏乘4π三处(hR_PDF/Z_MS/tmd_matching_hybrid, 对照dev8 matching_new+fit_zr_new, A_s≡αs/4π用真耦合须×4π); 2. fit_ratio补jackknife std×√(n−1)重标定; 3. quasi_tmd_pdf批量GEMM提速7.8–68x(逐位一致), sum-rule/TMD-NLO测试按真耦合实测重标定, conftest 40/40全绿; [opencode].