Release v0.11.0: package version bump + version-pin propagation

[pengfei-threemoonslab]

Summary

• Cuts the v0.11.0 release vehicle. Bumps the package version 0.10.0 → 0.11.0 (source of truth: pyproject.toml + src/agents_shipgate/__init__.py) and propagates it to every contract-enforced version surface so tests/test_public_surface_contract.py's pin guards stay green.
• Surfaces updated: Action pins (ThreeMoonsLab/agents-shipgate@v0.11.0), pip pins (agents-shipgate==0.11.0), shipgate_version Action inputs, pre-commit rev, .well-known (version + github_action), llms.txt (latest-release + Action pin), docs/agent-contract-current.md, the bug-report placeholder, distribution.md/faq.md version literals, and the ROADMAP.md "preparing the release" line.
• Regenerated the {{ shipgate_version }}-templated skill copies (advisory-pr-comment.yml) and the two skill prompts carrying the Action pin; render SHA snapshots in tests/test_agent_instructions_renderers.py updated to match. Regenerated llms-full.txt. Cut the CHANGELOG ## Unreleased section as ## 0.11.0 - 2026-05-31.

No engine/behavior change — release-vehicle bump only. The @v0.11.0 Action pins reference the tag this release will create. This branches off the post-#156 main (the branding rebrand, already merged) and is intentionally separate from it.

Type

• CLI or GitHub Action behavior — --version output + Action pins move to 0.11.0; no logic change
• Check or risk-model change
• Input adapter change
• Report, schema, or SARIF output
• Documentation only

Verification

CI is authoritative for python -m ruff check ., python -m compileall -q src tests, and python -m pytest.

Additional local checks run:

• python -m pytest → 2368 passed, 4 skipped, 0 failed
• python -m pytest tests/test_public_surface_contract.py (version-pin guards) → green
• python scripts/generate_schemas.py --check → clean
• python -m ruff check . → clean
• Repo sweep: the only remaining 0.10.0 are intentional — the contract test's illustrative "stale pin" comment and test_baseline_integrity fixtures that simulate a baseline written by a prior version.

Release-readiness notes

• No user-code import added to default scan paths
• No network access added to default scan paths
• New or changed check IDs are documented in docs/checks.md — N/A (no check changes)
• Report/schema changes are additive or documented in STABILITY.md — N/A (no schema change; report schema stays v0.22, packet v0.6)

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