cli command statehub register with install

workplans/STATE-WP-0055-statehub-register-cli.md

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+---
+id: STATE-WP-0055
+type: workplan
+title: "StateHub register CLI"
+domain: custodian
+repo: state-hub
+status: finished
+owner: codex
+topic_slug: state-hub
+created: "2026-06-04"
+updated: "2026-06-04"
+state_hub_workstream_id: "eee82afc-a902-48a2-8187-8dae31d05300"
+---
+
+# StateHub register CLI
+
+Implement a convenient `statehub register` command that can be run from an
+established local repository to register it with State Hub and prime it for
+Codex agent work.
+
+## Implement register command
+
+```task
+id: STATE-WP-0055-T01
+status: done
+priority: high
+state_hub_task_id: "83d14bd4-301e-4e8a-9a6c-5f6586c5b070"
+```
+
+Added a `statehub register` CLI entrypoint backed by `llm-connect` inference.
+The command inspects the target repo, derives or confirms repo intent, creates
+`INTENT.md` when absent, writes State Hub agent files and an initial workplan,
+registers the repo and local host path through the State Hub API, and leaves
+clear operator follow-up for `make fix-consistency REPO=<slug>`.