- Support `new UnitA.ClassName` and `new unit(UnitA).ClassName` completion.
- Support `createobject("UnitA.ClassName"` and `createobject("unit(UnitA).ClassName"` completion.
- Apply `uses` ordering when resolving ambiguous ClassName (last wins).
- Improve `obj.` member completion using qualified type strings.
- Add class-name completion for `new` and `createobject("..."`.
- Generate constructor parameter snippets in completionItem/resolve.
- Support `obj.` instance member completion (methods/properties/fields).
- Infer `new`/`createobject` result types in SemanticModel TypeSystem.