RFC-007 Phase 2: project rule + rfc nodes behind --nodes (fixes #588)

.github/workflows/tests.yml

@@ -401,6 +401,9 @@ jobs:
       - name: Run em-graph suite (RFC-007 core + wave-6 hardening)
         run: node tests/test-em-graph.mjs
 
+      - name: Run em-graph node-projection suite (RFC-007 Phase 2)
+        run: node tests/test-em-graph-nodes.mjs
+
       - name: Run em-doctor suite
         run: node tests/test-em-doctor.mjs
 

docs/EM_SCRIPTS_GUIDE.md

@@ -749,6 +749,11 @@ queries). Undirected BFS, depth default 2, node limit 50 (closest first,
 `truncated` flagged). Lineage keeps superseded nodes, marked via `status`.
 Output: `{root, nodes:[{id,distance,summary,...}], edges:[{from,to,type}]}`.
 
+`--nodes rule` reads the Claude Code memory corpus at
+`~/.claude/projects/<project-slug>/memory/`. On installs without that directory — any
+non-Claude-Code tool, or a fresh machine — the rule-node set is empty and the command still
+exits 0. Rule-node availability is therefore Claude-Code-scoped, not portable across tools.
+
 ### em-capture
 
 Session auto-capture (wave-6 #2): draft candidate episodes from a session