docs: prepare v0.1.0 public release

[Gandy2025]

Summary

• prepare the repository to enter frozen-candidate qualification for public v0.1.0
• define Codex and Claude Code as the supported hosts and document an honest install, repeat-install, update, rollback, uninstall, reinstall, and fresh-session lifecycle
• attest the local ticket contract to mattpocock/skills v1.2.2 at commit 8b36d4fb2635b3c21998dcd8144439c9e5ba7302, with hashed representative fixtures exercised through the real builder and validator
• add the minimum English-canonical public trust surface, linked Chinese translations, contribution and development guides, GitHub Private Vulnerability Reporting instructions, issue/PR templates, CODEOWNERS, changelog, and release policy
• pin release evidence to skills@1.5.22 while keeping a separate skills@latest forward-compatibility smoke

Support and release boundaries

• v0.1.0 is planned to support both Codex and Claude Code
• Python 3.10+, Node.js 22.20+, skills@1.5.22, First Tree CLI 0.5.18+, and authenticated gh for GitHub ticket sources are documented as the support baseline
• the security policy states that no supported release line has been announced and makes no future security-fix commitment
• Wayfinder maps, native GitLab/custom tracker APIs, background monitoring, automatic source-ticket writeback, and a general model-evaluation platform remain out of scope
• published tag immutability is a release policy, not a current repository claim; publication fails closed unless tag/Release enforcement is enabled and verified
• the product Skill instructions and runtime scripts are unchanged; this PR updates compatibility provenance, deterministic coverage, distribution checks, and release documentation

Exact evidence

• base: 4c10cc3f77e2d49bd6e304caf5f163b4dba97ea6
• head: d793e2616d29ecd2d3fe0a1205a86b08b394322c
• Python 3.10: structure validation, 79 tests (one expected case-sensitive-filesystem skip), deterministic five-case Floor, compileall
• Python 3.12: structure validation, 79 tests (one expected case-sensitive-filesystem skip), deterministic five-case Floor, compileall
• uvx ruff check .
• uvx ruff format --check .
• uvx --from skills-ref agentskills validate skills/run-with-first-tree
• npx --yes skills@1.5.22 add . --list
• npx --yes skills@latest add . --list (latest resolved to 1.5.22)
• git diff --check 4c10cc3f77e2d49bd6e304caf5f163b4dba97ea6...HEAD
• independent pre-commit reviews: Standards 0 findings; Spec 0 findings
• exact-head GitHub Actions run 31086573932: Python 3.10, Python 3.12, and Distribution contracts all passed

Intentionally deferred

This Draft does not change repository visibility, enable GitHub settings, create a tag or Release, publish an artifact, run a Codex or Claude model-backed Gate, or claim anonymous-install/public-release qualification. It remains Draft until independent QA passes this exact head. Release actions still require a frozen candidate and separate human authorization.