* docs: add architecture overview, contributing guide, and GitHub discussion draft
ARCHITECTURE.md covers server layer diagram, subsystems, and runtime info.
CONTRIBUTING.md covers dev setup, build, test, and submission workflow.
GITHUB-DISCUSSION-DRAFT.md drafts the upstream discussion post for the HA fork.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* chore: trim verbose comment in Dockerfile.runtime
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
ZoltyMat