State-hub connect and initial workplans

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

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+# Stack And Commands
+
+The implementation stack is not established yet. Until it is, prefer
+documentation and small scaffold changes over choosing frameworks prematurely.
+
+Useful commands:
+
+```bash
+git status --short
+rg --files
+```
+
+State Hub registration was completed with:
+
+```bash
+/home/worsch/the-custodian/state-hub/.venv/bin/custodian register-project --domain markitect --path /home/worsch/infospace-bench
+```