Complete State Hub bootstrap workplans (WP-0001)

- Review integration files; fill SCOPE where templated
- Document dev workflow in stack-and-commands.md
- Seed WP-0002 implementation workplan; mark bootstrap finished
- Hub sync via fix-consistency

workplans/DOMAIN-WP-0002-domain-tree-index-foundation.md

@@ -0,0 +1,28 @@
+---
+id: DOMAIN-WP-0002
+type: workplan
+title: "Domain tree index foundation"
+domain: communication
+repo: domain-tree
+status: ready
+owner: codex
+topic_slug: communication
+created: "2026-06-22"
+updated: "2026-06-22"
+state_hub_workstream_id: "88a10886-137d-475b-a446-9c34deee9a08"
+---
+
+# Domain tree index foundation
+
+Populate the initial domain tree registry index linked to State Hub topics.
+
+## Seed domain tree index
+
+```task
+id: DOMAIN-WP-0002-T01
+status: todo
+priority: high
+state_hub_task_id: "5008cd75-48d4-4435-a472-eac99bae84bb"
+```
+
+Define `registry/indexes/domain-tree.yaml` structure and seed entries for active infotech domains.