Approve patch 0.1.1 Python publication decision

[docushell-dev]

Summary

• add the patch 0.1.1 Python PyPI publication approval-decision validation record
• accept only the exact ethos-pdf==0.1.1 wheel candidate from the merged approval-request record
• wire the decision guard into release-candidate-prep after the Python approval-request guard

Verification

• python3 .github/scripts/test_patch_0_1_1_python_publication_approval_decision.py
• python3 .github/scripts/test_patch_0_1_1_python_publication_approval_request.py
• python3 .github/scripts/test_release_candidate_prep.py
• python3 .github/scripts/test_milestone_e_source_snapshot_candidate_audit.py
• python3 .github/scripts/test_python_public_api_policy.py
• PYTHONPATH=python python3 -m unittest discover -s python/tests
• make light-check PYTHON=python3
• make release-candidate-prep PYTHON=python3
• git diff --check

Boundaries

• no PyPI upload is performed by this PR
• no sdist or alternate wheel is approved
• public installation wording remains blocked until PyPI availability is closed out
• hosted surfaces, production positioning, Windows packaged artifacts, bundled PDFium, public benchmark claims, ethos-doc, and ethos-rag remain blocked