docs: record 0.1.1 release evidence

[tensornull]

Summary

• mark cometapi==0.1.1 as publicly available
• record the exact fix, release-PR, immutable tag, live-smoke, OIDC, digest, provenance, and public-registry evidence
• record the accepted maintenance release in the repository's canonical architecture and agent contract
• preserve the completed 0.1.0 and Registry Alpha evidence as historical records

Why

The normal v0.1.1 Release Please/OIDC workflow and independent public-PyPI verification are complete. Repository documentation must now describe shipped behavior and retain the final remote, live, and registry evidence in a separate post-release change.

Impact

Documentation only. This change does not alter package code, workflow code, version metadata, release variables, tags, releases, or registry state. It does not activate 0.2.

Verification

• uv sync --locked
• uv lock --check
• Ruff check and format check
• Pyright strict
• pytest -m "not live" (308 passed, 1 deselected)
• version/changelog and public-document checks
• secret and workflow semantic checks
• actionlint 1.7.12
• final standalone copied-checkout verification, including build, twine, artifact inspection, wheel/sdist clean installs, and all README examples
• git diff --check
• independent Standards and Spec review

No required local check was skipped. The separately gated exact-release live and public-registry checks are linked in the recorded release evidence and were not rerun for this documentation-only PR.