v0.2.1

Summary\n- Publishes Epoch under the canonical @kyanitelabs/epoch npm package identity.\n- Aligns README, site install snippets, LLM discovery docs, package metadata, AGENTS identity, and CHANGELOG with the live package.\n- Keeps release workflow metadata aligned with npm trusted publishing.\n\n## Install\nbash\nclaude mcp add epoch -- npx @kyanitelabs/epoch\n\n\n## Verification\n- npm latest: @kyanitelabs/epoch@0.2.1\n- PR #43 CI passed and merged.\n- PR #44 CI passed and merged.\n\n## Release note\nDo not republish 0.2.1; future telemetry receiver/status work needs a new version bump.