[id774]

Summary

• add doc/VERSIONS and establish v1.0 as the initial repository release dated 2026-10-03
• update the repository policy to define repository version history and its relationship to source-file version histories
• link the version history from the README
• keep package versions, OpenAPI version metadata, runtime behavior, and source code unchanged

Validation

• confirmed doc/VERSIONS starts with v1.0 (2026-10-03) and Initial release.
• confirmed repository and source-file version scopes are defined separately
• confirmed package version fields and OpenAPI info.version are unchanged
• confirmed no Git tag or GitHub Release was created
• npm run format:check
• git diff --check

Scope

Repository version-history and versioning-policy establishment only.
No runtime, dependency, API, package-version, Git-tag, or GitHub-Release change is included.