Add growth state frontmatter to all 280 wiki files

TREE(74): training modules, entity profiles, 2890 references, keyword indices
SPROUT(42): knowledge pages, project docs, curated source material
SEED(164): daily notes, raw session logs, unprocessed material

Updated AUDIT_MANIFEST.json with growth classifications.

entities/ryan.md

@@ -9,6 +9,7 @@ nickname: "Ryan"
 emoji: "💨"
 status:
   operator-training: active
+growth: tree
 ---
 
 # Ryan — Student Profile