feat(lsp): quick fixes for the textflag include and the argument area

Assisted-by: GLM 5.3 Flash

lint/abi.go

@@ -11,6 +11,15 @@ import (
 	"strings"
 )
 
+// ExpectedArgSize computes the argument-area size (parameters plus results,
+// laid out with Go's alignment rules on a 64-bit target) implied by the
+// `// func …` signature in a doc comment.  It returns ok=false when there is
+// no parseable signature or it uses a type whose size cannot be determined
+// (a named type), so the caller can skip the fix rather than guess.
+func ExpectedArgSize(doc string) (int64, bool) {
+	return abiExpectedArgSize(doc)
+}
+
 // abiExpectedArgSize computes the argument-area size (parameters plus results,
 // laid out with Go's alignment rules on a 64-bit target) from the `// func …`
 // signature in a TEXT function's doc comment.  It returns ok=false when there