chore: align alpha6 published package docs

chore: refresh P9-8 evidence after stale-docs guard

chore: prepare alpha.4 release candidate

Prepare the alpha.4 release-prep package metadata, package-visible docs, packaged-docs policy, and contract coverage.

Validated locally and with PR CI. No real npm publish, GitHub Release mutation, dist-tag/deprecate change, npm token setup, or authenticated real agent run was performed.

Merge pull request #14 from iiwish/codex/p7-6-alpha-3-main-rc-evidence

Record P7-6 alpha.3 main RC evidence

Merge pull request #11 from iiwish/codex/p7-4-alpha-2-final-publish-l…

…ock-evidence

P7-4 alpha.2 publish evidence

agent-cli-runtime v0.1.0-alpha.1

agent-cli-runtime v0.1.0-alpha.0