a chat link is one token now, and tooltips print true costs

- a chat link edits as one atomic token: the caret can't land inside it, its colors survive, one keypress removes it whole
- spell tooltips print the resolved mana cost through the reference's own table walk, and the "% of base mana" line dies
- the spirit healer's confirm comes back after a cancel and wears its warning icon
- the dressing room's pane is a live animating model, and a tried-on bow lands in the hand

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

crates/benilla-ui/src/script/editbox/methods.rs

@@ -196,11 +196,15 @@ pub(in crate::script) fn install(lua: &Lua) -> mlua::Result<()> {
             Ok((ins[0], ins[1], ins[2], ins[3]))
         })?,
     )?;
-    // GetNumLetters: the CHARACTER count (not bytes) — `0x7992c0` walks the class array.
+    // GetNumLetters: the LETTER count — `0x7992c0` walks the class array (`0x77bc80`), which
+    // counts classes 2, 3 and 6 only, so escapes are free and a 43-byte item link reports 9
+    // (decision 1077). Not bytes, and not chars either.
     m.set(
         "GetNumLetters",
         lua.create_function(|lua, this: Table| {
-            with_editbox(lua, &this, |eb| eb.text.chars().count() as i64)
+            with_editbox(lua, &this, |eb| {
+                crate::markup::ClassMap::new(&eb.text).num_letters() as i64
+            })
         })?,
     )?;