attributes: a target the program does not have at all (an @Ref registry, an @Tint / @OneOf constant) is a warning and "unresolved" in the schema, not an error - a package names the game's registry without importing it; a name of another kind is still an error; reseeded

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

examples/lang/attributes.ludic

@@ -37,6 +37,7 @@ program Attributes {
   registry Tools of Tool as TL from "data/attr_tools.lres"
   # a tool hung on the camp's rack: which, and from which node of ITS model
   property RackSlot {
+    @Ref(Items) item: int = 0                  # a registry this program lacks: a warning, unresolved
     @Ref(Tools) tool: int = 0
     @Node(tool) hook: string = "grip"
   }

examples/rejected/node_bad.ludic

@@ -1,7 +1,6 @@
-# attributes: @Node / @Clip name a field of its record that names a glTF - `handle` names no field,
-# `tag` is a plain string, `kit` refers to a registry whose record has two models - and a listing
-# @OneOf and @Tint name constants that exist, which KITS_NONE and TSLOT_NONE are not (all six are
-# reported)
+# attributes: @Node / @Clip name a field of their record that names a glTF - `handle` names no field,
+# `tag` is a plain string, and `kit` refers to a registry whose record has two models: four errors.
+# @OneOf's KITS_NONE and @Tint's TSLOT_NONE are in no part of the program: two warnings.
 program R {
   property Kit {
     key: string = ""

examples/rejected/ref_unknown.ludic

@@ -1,9 +1,10 @@
-# attributes: @Ref names a registry - there is no registry Vendorz, nor Shops (both are reported)
+# attributes: @Ref names a registry - Vendor is a record, which is an error; Shops is in no part of
+# this program, which is only a warning (a package may name the game's registry it cannot import)
 program R {
   property Vendor { key: string = "" }
   registry Vendors of Vendor
   property Tool {
-    @Ref(Vendorz) seller: int = 0
+    @Ref(Vendor) seller: int = 0
     @Ref(Shops) shop: int = 0
   }
   entry { print(VENDORS_COUNT) }