chore(graphify): add knowledge graph + interactive maps

Generated by graphify (local Ollama backend). Includes graph.json,
GRAPH_REPORT.md, and interactive HTML map(s). Scratch cache/ and
intermediates are gitignored.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

graphify-out/.gitignore

@@ -0,0 +1,6 @@
+# graphify scratch — regenerable, never commit
+cache/
+.graphify_*
+*.detail
+# dated semantic backups
+20??-??-??/