Share image input across agent vendors

internal/codex/session.go

@@ -17,6 +17,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"g.fc.run/ai/byre/internal/agentinput"
 	"g.fc.run/ai/byre/internal/mcp"
 	"g.fc.run/ai/byre/internal/procgroup"
 )
@@ -58,11 +59,6 @@ func (e Event) Decode() (any, error) {
 	return v, nil
 }
 
-type Image struct {
-	MediaType string
-	Data      []byte
-}
-
 type RPCError struct {
 	Code    int64           `json:"code"`
 	Message string          `json:"message"`
@@ -368,7 +364,7 @@ func (s *Session) SetModel(model string) {
 	s.stateMu.Unlock()
 }
 
-func (s *Session) Send(ctx context.Context, text string, images ...Image) (Turn, error) {
+func (s *Session) Send(ctx context.Context, text string, images ...agentinput.Image) (Turn, error) {
 	input := []UserInput{}
 	for _, img := range images {
 		input = append(input, UserInput{