v3.0.0

PaperForge Research OS v3.0.0 — Core Freeze

Evidence-first research runtime: unified CLI/Service, SQLite Scientific Memory,
Claim/Evidence gates, approval-gated experiments, six compute backends,
deterministic publication pipeline (generic/CVPR/IEEE/Elsevier), protected
experiment blocks, frozen ledgers, grounded narrative, scientific review,
reviewer matrix, PDF layout QA, release eligibility, and crash recovery.

Verification at freeze

• pytest: 833 passed, 5 skipped, 0 failed
• ruff: PASS · mypy (paperforge, 81 files): PASS
• CI (PR #3, merge 6e51ab3): 10/10 jobs green incl. Windows 3.10/3.11/3.12
• Codex review/security on the final delta: skipped (quota exhausted) —
  merge was an explicit owner decision, recorded in-repo.

See CHANGELOG.md for the full list.