Simplify jqresult internals while preserving the Compile API

jqresult/compile.go

@@ -4,8 +4,9 @@ import (
 	"github.com/wader/gojq"
 )
 
-// Compile parses filter and returns executable jq code for the given input mode.
-func Compile(filter string, mode InputMode) (*gojq.Code, error) {
+// Compile parses filter and returns executable jq code.
+// The mode parameter is retained for source compatibility; compilation is mode-independent.
+func Compile(filter string, _ InputMode) (*gojq.Code, error) {
 	q, err := gojq.Parse(filter)
 	if err != nil {
 		return nil, err

jqresult/normalize.go

@@ -1,9 +1,6 @@
 package jqresult
 
 import (
-	"encoding/json"
-	"math/big"
-
 	"github.com/wader/gojq"
 )
 
@@ -42,9 +39,6 @@ func NormalizeForEncode(v any) (any, error) {
 		}
 		return out, nil
 	default:
-		if isEncodeLeaf(v) {
-			return v, nil
-		}
 		return v, nil
 	}
 }
@@ -64,16 +58,3 @@ func normalizeIter(it gojq.Iter) ([]any, error) {
 	}
 	return out, nil
 }
-
-// isEncodeLeaf reports values that cannot contain gojq.Iter and need no further normalization.
-func isEncodeLeaf(v any) bool {
-	switch v.(type) {
-	case nil, bool, int, int8, int16, int32, int64,
-		uint, uint8, uint16, uint32, uint64,
-		float32, float64, string,
-		json.Number, *big.Int:
-		return true
-	default:
-		return false
-	}
-}

main.go

@@ -601,6 +601,7 @@ func runJqOutput(
 	jqCode *gojq.Code,
 ) error {
 	useEager := jqMode == jqresult.InputEager
+	// Read-write DML always materializes the full result set before jq runs.
 	if _, ok := mode.(readWrite); ok {
 		useEager = true
 	}
@@ -623,8 +624,6 @@ func runJqOutput(
 	}
 
 	switch mode := mode.(type) {
-	case readWrite:
-		panic("read-write jq uses eager materialization")
 	case single:
 		enc, err := newEncoder(os.Stdout, o.Format, o.CompactOutput, o.JqRawOutput)
 		if err != nil {