v0.2.9

What's Changed

• N21: capture-record conformance kit by @Tavrin in #39
• N22: blind review disagreement board by @Tavrin in #40
• N23: offline evidence replay packs by @Tavrin in #41
• N20: CLI and MCP authority-boundary harness by @Tavrin in #42
• N19: isolated document rendering and explicit page maps by @Tavrin in #43
• Optical-code (QR/barcode) decode verification by @Tavrin in #45
• Signed human approvals (opt-in policy) by @Tavrin in #46
• Release 0.2.9 by @Tavrin in #50

Full Changelog: v0.2.8...v0.2.9