Move LSP semantics into typed analysis

examples/http_server.gt

@@ -30,7 +30,7 @@ class EpicControllerImpl(val db: *bun.DB) {
         db.NewCreateTable().Model(model).IfNotExists().Exec(ctx)
         val user = BunUser("user-from-gotlin")
         db.NewInsert().Model(user).Exec(ctx)
-        val total = db.NewSelect().Model(model).Count(ctx)
+        val total = db.NewSelect().Model(model).Count(ctx).unwrap()
 
         fmt.Fprintln(w, "bun users total:", total)
     }