Add a Unix activation script, Antigravity-specific installer guidance,
and cross-platform recovery documentation so users can reduce the
live skill set when truncation or context overload appears.
Regenerate the canonical bundle/catalog artifacts after merging the
stale goldrush-api removal so main stays release-ready.
Refs #381
Unify main-branch maintenance around repo-state and release-state commands so generated docs, contributor acknowledgements, tracked web assets, and canonical artifacts stay aligned across CI and scheduled hygiene runs.
Harden release publication by reusing deterministic sync commands, adding package dry-run verification, and covering the new workflow contract with regression tests.
Consolidate the repository into clearer apps, tools, and layered docs areas so contributors can navigate and maintain it more reliably. Align validation, metadata sync, and CI around the same canonical workflow to reduce drift across local checks and GitHub Actions.
