v0.9.9

SCPN Quantum Control v0.9.9\n\nHighlights:\n- Upgrades the public documentation surface for differentiable programming, quantum gradients, onboarding, API guides, tutorials, roadmap, and market/application positioning.\n- Refreshes generated capability manifests and README capability block.\n- Fixes Scorecard PYSEC-2026-175/177/178/179 vulnerability findings by updating PyJWT CI lock pins to 2.13.0.\n- Updates pinned actions/cache usage to v4.2.4 to remove Node.js 20 deprecation warnings.\n\nValidation:\n- Remote CI on main is green for commit 5b472b8, including lint, docs deploy, type-check, wheel-check, install-smoke, security, rust-audit, Linux Python 3.10-3.13 tests, Windows/macOS smoke, optional integration, hardware simulator smoke, and ci-gate.\n- Security alert #81 is fixed; open Dependabot and secret-scanning alerts are empty.