Refresh agent instruction files

.claude/rules/repo-boundary.md

@@ -1,19 +1,8 @@
-# Repo Boundary
+## Repo boundary
 
-`infospace-bench` owns application-level infospace usage. It must not absorb
-lower-layer responsibilities.
+This repo owns **infospace-bench** only. It does not own:
 
-Belongs here:
-
-- Infospace definitions and examples
-- Application workflow definitions
-- Evaluation and inspection reports
-- Migration notes from `markitect-main`
-- Workplans for applied infospace capabilities
-
-Belongs elsewhere:
-
-- Markdown parsing and structural syntax primitives: `markitect-tool`
-- Runtime persistence and orchestration: `kontextual-engine`
-- LLM provider abstraction: `llm-connect` or equivalent
-- Final production domain artifacts: the relevant domain repo
+<!-- TODO: List what belongs in adjacent repos, e.g.:
+- SSH key management → railiance-infra/
+- State hub code     → state-hub/
+-->