NET-WP-0018: mark workplan frontmatter status: finished (all 9 tasks done per T09)

- Updated per convention (ADR-001 / AGENTS.md): after implementation complete, set status finished.
- Brief + hub workstream already set to finished by prior fix-consistency (C-13).
- This keeps file as source of truth.
- Followed by statehub sync.

workplans/NET-WP-0018-bootstrap-automation-and-rebuild-readiness.md

@@ -4,7 +4,7 @@ type: workplan
 title: "Bootstrap Automation And Rebuild Readiness"
 domain: netkingdom
 repo: net-kingdom
-status: active
+status: finished
 owner: codex
 topic_slug: netkingdom
 created: "2026-06-01"