feat: 添加更多重构模块 (第7批)
包含 IO 和 math 模块的实现：
- IO: initia, levcd, linset, ltegr, ltegrd, odfset, outpri, resolv, srtfrq, start, tabini, xenini
- Math: accel2, alisk1, alisk2, alist1, alist2, concor, conout, conref, contmd, contmp, coolrt, greyd, inilam, linsel, lucy, lymlin, matcon, matgen, moleq, newdm, newdmt, odf1, opacf0, opacf1, opacfa, opacfd, opacfl, opactr, opadd, opahst, pgset, princ, prnt, pzeval, quasim, radpre, radtot, rates1, ratsp1, rdata, rdatax, rechck, rhoeos, rhonen, rhsgen, rossop, rtecf1, rtecmc, rtecmu, rtecom, rtefr1, rteint, russel, rybchn, rybene, rybheq, rybsol, sgmer1, sigave, sigk, solve, solves, state, steqeq, temcor, temper, topbas, trmder, trmdrt
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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