v3.3.0

What's Changed

• fix(types): governed create returns the { response, receipt } envelope by @c-1k in #83
• fix(pricing): four-tier cache pricing — kill the ~7-8× cache understatement by @c-1k in #85
• fix(types): governed openai/google surfaces return the { response, receipt } envelope by @c-1k in #84
• fix(audit): validate inclusion-proof topology against leafIndex and treeSize by @c-1k in #86
• feat(audit): chain events for policy denials and ledger rejections by @c-1k in #87
• feat(site): the receipts redesign — evidence-dossier landing page by @c-1k in #88
• feat(site): share card mirrors the hero by @c-1k in #89

Full Changelog: v3.2.0...v3.3.0