State-hub connect and initial workplans

.claude/rules/architecture.md

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+# Architecture Notes
+
+The intended architecture is layered:
+
+```text
+markitect-tool     -> syntax layer
+kontextual-engine  -> system/runtime layer
+infospace-bench    -> application layer
+```
+
+The first implementation should establish repo shape before service shape:
+
+- `infospaces/` for concrete infospace projects
+- `schemas/` or dependency references for artifact schemas
+- `workflows/` for application-level workflow definitions
+- `reports/` for evaluation and inspection outputs
+- `docs/` for migration and design records
+
+Use direct dependencies on lower-layer projects only where they clarify the
+boundary. Avoid copying infrastructure wholesale from `markitect-main`.