v3.8.0 — Hardening & Documentation

What's New

Hardening

• Coverage gate raised to 98% — de-omitted 6 modules, added 34 tests (1058 total, 98.10%)
• NumPy 2.x audit — zero deprecated calls, fully compatible
• CI coverage gate — synced ci.yml and pyproject.toml to fail_under = 98

Documentation

• 25 new API reference pages — all 44 subpackages now in mkdocstrings nav
• Reorganized API nav — Core / Compiler & Export / Domain Modules / Infrastructure

Automation

• Stale issue workflow — weekly sweep, 60+14 day lifecycle, exempt: pinned/security/roadmap

Roadmap

• 4 of 7 v3.8 items complete; remaining: Rust engine parity, SIMD kernels, hardware benchmarks