Adds the missing pieces revealed during review:
§1 Multi-repo registration decision — choose repo-level vs org-level
up-front. Default doc remains repo-level, but explicitly calls out
org-level as the scaling path for 20+ repos.
§2 Pre-flight check additions:
- Arch detection (x86_64 / aarch64) before downloading runner tarball
- github.com + objects.githubusercontent.com reachability check
- gh CLI auth status check (must be saravanakumardb1)
§4 Installation hardening:
- Step 1 is now idempotent (getent guards on useradd/usermod)
- Step 3 queries latest runner version via gh api (no more stale pin)
- Step 3 includes SHA256 verification of the downloaded tarball
against the release-notes manifest, with explicit STOP-if-mismatch
- Step 3 has REGISTRATION_URL var with commented Option A/B for
repo-level vs org-level scope
§5 Smoke test — added explicit git checkout/add/commit/push commands
for creating the runner/smoke branch (was implicit before).
§8 (renamed) — comprehensive org migration guide:
- Side-by-side table: personal account today vs under-an-org
- Bash loop to transfer all 18 repos via gh api
- git remote set-url commands for each local clone
- Post-migration org-level registration token fetch
- Workflow propagation strategies (reusable workflow vs sync script)
§9 (new) — Monitoring + observability:
- GitHub Actions tab per-repo + per-org workflow views
- Runner pool health (Settings → Actions → Runners) at repo + org level
- gh CLI commands for scripted monitoring (run watch, list, view, runners)
- Host-side journalctl + _diag/ inspection commands
§14 Questions — updated to ask about scope (repo vs org) first.
Section numbering shifted by +1 from §9 onward to make room for the
new Monitoring section.
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