bug: fix panic when calling nested chat tool without --force-chat

pkg/runner/runner.go

@@ -97,18 +97,6 @@ func (r *Runner) Close() {
 	r.ports.CloseDaemons()
 }
 
-type ErrContinuation struct {
-	State *State
-}
-
-func (e *ErrContinuation) Prompt() string {
-	return *e.State.Continuation.Result
-}
-
-func (e *ErrContinuation) Error() string {
-	return fmt.Sprintf("chat continuation required: %s", e.Prompt())
-}
-
 type ChatResponse struct {
 	Done    bool      `json:"done"`
 	Content string    `json:"content"`
@@ -188,25 +176,11 @@ func (r *Runner) Chat(ctx context.Context, prevState ChatState, prg types.Progra
 }
 
 func (r *Runner) Run(ctx context.Context, prg types.Program, env []string, input string) (output string, err error) {
-	monitor, err := r.factory.Start(ctx, &prg, env, input)
-	if err != nil {
-		return "", err
-	}
-	defer func() {
-		monitor.Stop(output, err)
-	}()
-
-	callCtx := engine.NewContext(ctx, &prg)
-	state, err := r.call(callCtx, monitor, env, input)
+	resp, err := r.Chat(ctx, nil, prg, env, input)
 	if err != nil {
 		return "", err
 	}
-	if state.Continuation != nil {
-		return "", &ErrContinuation{
-			State: state,
-		}
-	}
-	return *state.Result, nil
+	return resp.Content, nil
 }
 
 type Event struct {

pkg/tests/runner_test.go

@@ -6,7 +6,6 @@ import (
 	"os"
 	"testing"
 
-	"github.com/gptscript-ai/gptscript/pkg/runner"
 	"github.com/gptscript-ai/gptscript/pkg/tests/tester"
 	"github.com/gptscript-ai/gptscript/pkg/types"
 	"github.com/hexops/autogold/v2"
@@ -516,10 +515,11 @@ func TestChat(t *testing.T) {
 }`).Equal(t, toJSONString(t, resp))
 }
 
-func TestChatRunError(t *testing.T) {
+func TestChatRunNoError(t *testing.T) {
 	r := tester.NewRunner(t)
-	_, err := r.Run("", "")
-	autogold.Expect(`"{\n  \"continuation\": {\n    \"state\": {\n      \"completion\": {\n        \"Model\": \"gpt-4-turbo-preview\",\n        \"InternalSystemPrompt\": false,\n        \"Tools\": null,\n        \"Messages\": [\n          {\n            \"role\": \"system\",\n            \"content\": [\n              {\n                \"text\": \"This is a chatbot\"\n              }\n            ]\n          },\n          {\n            \"role\": \"assistant\",\n            \"content\": [\n              {\n                \"text\": \"TEST RESULT CALL: 1\"\n              }\n            ]\n          }\n        ],\n        \"MaxTokens\": 0,\n        \"Temperature\": null,\n        \"JSONResponse\": false,\n        \"Grammar\": \"\",\n        \"Cache\": null\n      }\n    },\n    \"result\": \"TEST RESULT CALL: 1\"\n  },\n  \"continuationToolID\": \"testdata/TestChatRunError/test.gpt:1\"\n}"`).Equal(t, toJSONString(t, toJSONString(t, err.(*runner.ErrContinuation).State)))
+	s, err := r.Run("", "")
+	require.NoError(t, err)
+	autogold.Expect("TEST RESULT CALL: 1").Equal(t, s)
 }
 
 func TestExportContext(t *testing.T) {