v0.3.0-beta.1

What's Changed

• Lens Round 2 remediation — close all actionable audit findings by @RsNomad in #56
• Lens Round 3 remediation — fail-safe edit-approval settle, host emit-invariant, and consent-detail attribution by @RsNomad in #57
• chore: untrack internal design notes and scrub stale doc-path references by @RsNomad in #58
• chore: ignore docs_claude/ (internal notes dir) so it can never be co… by @RsNomad in #60
• Test hardening: deterministic indexer watch tests + headless control/ imports by @RsNomad in #61
• chore(release): bump version 0.2.0 → 0.3.0 for v0.3.0-beta.1 by @RsNomad in #62

Full Changelog: v0.2.0-beta.1...v0.3.0-beta.1