An Arithmetic Stratification of Polynomial Continued Fractions: Program Statement of the SIARC Series (v2.2: Full M-axis V0 Closure Series)

V2.2 (May 2026): Consolidates full M-axis V0 closure series (M4, M7, M8a, M8b) and M6.CC R1; supersedes v2.1 internal staging. Version difference The v2.2 revision of the SIARC umbrella program statement extends the v2.0 §Closure Cascade and Bridge Provenance section from 3 milestones to 6 milestones, adding the M-axis V0 ratification cascade triple landed 2026-05-09: M7 V0 (cubic/quartic borderline-anormal A residual; soft-branch ratification at MEDIUM-HIGH; bridge SHA 7f93b9e; SOFT-BRANCH, HARD-BRANCH-PENDING), M8a V0 (catalogue-wide Painlevé-test stratum labeling via the Conte–Musette necessary criterion; 60/60 LABELED uniformly; bridge SHA cb429e1; ALG-TEST-SCALE, STOKES-DICHOTOMY-DELEGATED-TO-M8B), and…