Complete REPO-WP-0002 template validation and bootstrap docs

Add statehub register consumer guide and validation checklist, register
capability.infotech.repo-template in the registry index, and close the
workplan after filling repo identity placeholders and README bootstrap steps.

.claude/rules/stack-and-commands.md

@@ -8,13 +8,20 @@
 ```bash
 # Orient (offline-safe)
 cat .custodian-brief.md
-cat INTENT.md
+cat README.md
 cat SCOPE.md
 ls workplans/
 
+# Consumer bootstrap docs
+cat docs/statehub-register.md
+cat docs/template-validation-checklist.md
+
 # After workplan or registry edits — from ~/state-hub
 make fix-consistency REPO=repo-seed
 
+# Validate registry entries (from reuse-surface checkout)
+reuse-surface validate --root .
+
 # Sanity-check markdown / registry edits
 git diff --check
 ```