@PerMap and @Chunked(n) registries: rows read per map, a state and verbs written, every map checked

- @PerMap registry R of T from "file.lres" reads <maps root>/<map>/file.lres at run time
  (package.ludic's new `maps` line, default assets/maps); @Chunked(n) one file per chunk,
  {cx}/{cz} in its name. No as PREFIX, no constants, no def, never open.
- permap_gen: state R, r_load/_clear/_find/_path; chunked: RChunk, r_in/_out/_slot/_find/
  _clear/_path; a typed reset and fill per record over lres.ludic, rows, lists and list
  records pooled per table / chunk slot, @alloc_ok on what grows at high water.
- permap_consts: lres_consts__(), the program's int and float constants by name.
- permap_check: ludicc --check reads every map directory (fields, types, constants, fn,
  @OneOf/@Range/@Ref, cross-row @Ref keys in the same map, a key twice); --no-maps skips.
- @Ref(PerMapTable) is refused on a non-string field; the schema says scope/chunk per
  registry and scope map on such a Ref, and lists the canonical @Unit spellings; any other
  @Unit spelling is a warning naming the canonical one.
- reseeded (mac + win seeds; bootstrap-cfree out.ll == seed.ll).

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

tools/ludic-cli/selfhost.ludic

@@ -35,6 +35,10 @@ function selfhost_frags() -> []pointer {
   push(f, "selfhost/frontend/attrs.ludic")
   push(f, "selfhost/frontend/attrs_node.ludic")
   push(f, "selfhost/frontend/resource.ludic")
+  push(f, "selfhost/frontend/permap.ludic")
+  push(f, "selfhost/frontend/permap_consts.ludic")
+  push(f, "selfhost/frontend/permap_gen.ludic")
+  push(f, "selfhost/frontend/permap_check.ludic")
   push(f, "selfhost/frontend/defaults.ludic")
   push(f, "selfhost/frontend/view.ludic")
   push(f, "selfhost/frontend/view_conv.ludic")