feat(engineering): enforce V1-0 write invariants

src/atocore/engineering/wiki.py

@@ -391,6 +391,8 @@ def render_new_entity_form(name: str = "", project: str = "") -> str:
       entity_type: fd.get('entity_type'),
       project: fd.get('project') || '',
       description: fd.get('description') || '',
+      // V1-0: human writes via the wiki form are hand_authored by definition.
+      hand_authored: true,
     };
     try {
       const r = await fetch('/v1/entities', {