cli · BagToad · Mar 25, 2026 · Mar 25, 2026 · Mar 25, 2026 · Mar 25, 2026
@@ -311,7 +311,7 @@ func IssueCreate(client *Client, repo *Repository, params map[string]interface{}
 	}
 	issue := &result.CreateIssue.Issue
 
-	// Assign users using login-based mutation when ActorAssignees is true (github.com).
+	// Assign users using login-based mutation when ApiActorsSupported is true (github.com).
 	if assigneeLogins, ok := params["assigneeLogins"].([]string); ok && len(assigneeLogins) > 0 {
 		err := ReplaceActorsForAssignableByLogin(client, repo, issue.ID, assigneeLogins)
 		if err != nil {

@@ -524,15 +524,15 @@ func CreatePullRequest(client *Client, repo *Repository, params map[string]inter
 		}
 	}
 
-	// Assign users using login-based mutation when ActorAssignees is true (github.com).
+	// Assign users using login-based mutation when ApiActorsSupported is true (github.com).
 	if assigneeLogins, ok := params["assigneeLogins"].([]string); ok && len(assigneeLogins) > 0 {
 		err := ReplaceActorsForAssignableByLogin(client, repo, pr.ID, assigneeLogins)
 		if err != nil {
 			return pr, err
 		}
 	}
 
-	// TODO requestReviewsByLoginCleanup
+	// TODO ApiActorsSupported
 	// Request reviewers using either login-based (github.com) or ID-based (GHES) mutation.
 	// The ID-based path can be removed once GHES supports requestReviewsByLogin.
 	userLogins, hasUserLogins := params["userReviewerLogins"].([]string)
@@ -599,6 +599,12 @@ func ReplaceActorsForAssignableByLogin(client *Client, repo ghrepo.Interface, as
 
 	actorLogins := make([]githubv4.String, len(logins))
 	for i, l := range logins {
+		// The replaceActorsForAssignable mutation requires the [bot] suffix
+		// for bot actor logins (e.g. "copilot-swe-agent[bot]"), unlike
+		// requestReviewsByLogin which has a separate botLogins field.
+		if l == CopilotAssigneeLogin {
+			l = l + "[bot]"
+		}
 		actorLogins[i] = githubv4.String(l)
 	}
 

@@ -922,14 +922,15 @@ func (m *RepoMetadataResult) Merge(m2 *RepoMetadataResult) {
 }
 
 type RepoMetadataInput struct {
-	Assignees      bool
-	ActorAssignees bool
-	Reviewers      bool
-	TeamReviewers  bool
-	Labels         bool
-	ProjectsV1     bool
-	ProjectsV2     bool
-	Milestones     bool
+	Assignees     bool
+	Reviewers     bool
+	TeamReviewers bool
+	// TODO ApiActorsSupported
+	ApiActorsSupported bool
+	Labels             bool
+	ProjectsV1         bool
+	ProjectsV2         bool
+	Milestones         bool
 }
 
 // RepoMetadata pre-fetches the metadata for attaching to issues and pull requests
@@ -938,7 +939,8 @@ func RepoMetadata(client *Client, repo ghrepo.Interface, input RepoMetadataInput
 	var g errgroup.Group
 
 	if input.Assignees || input.Reviewers {
-		if input.ActorAssignees {
+		// TODO ApiActorsSupported
+		if input.ApiActorsSupported {
 			g.Go(func() error {
 				actors, err := RepoAssignableActors(client, repo)
 				if err != nil {

@@ -23,11 +23,35 @@ type Detector interface {
 }
 
 type IssueFeatures struct {
-	ActorIsAssignable bool
+	// TODO ApiActorsSupported
+	// ApiActorsSupported indicates the host supports actor-based APIs. True for
+	// github.com and ghe.com, false for GHES.
+	//
+	// The GitHub API has two generations of assignee/reviewer types:
+	//
+	// Legacy (GHES): Uses AssignableUser (users only) and node-ID-based mutations.
+	//   - assignableUsers query returns []AssignableUser
+	//   - Mutations take node IDs (assigneeIds, userReviewerIds, teamReviewerIds)
+	//
+	// Actor-based (github.com): Uses AssignableActor (User + Bot union) and
+	// login-based mutations, enabling assignment of non-user actors like Copilot.
+	//   - suggestedActors query returns []AssignableActor (User | Bot)
+	//   - suggestedReviewerActors returns []ReviewerCandidate (User | Bot | Team)
+	//   - Mutations take logins (replaceActorsForAssignable, requestReviewsByLogin)
+	//
+	// When GHES adds support for the actor-based types and mutations, this flag
+	// can be removed and all // TODO ApiActorsSupported sites collapsed to the
+	// actor-only path. To verify GHES support, check whether the GHES GraphQL
+	// schema includes:
+	//   - The suggestedActors field on Repository (assignee search)
+	//   - The suggestedReviewerActors field on PullRequest (reviewer search)
+	//   - The replaceActorsForAssignable mutation
+	//   - The requestReviewsByLogin mutation
+	ApiActorsSupported bool
 }
 
 var allIssueFeatures = IssueFeatures{
-	ActorIsAssignable: true,
+	ApiActorsSupported: true,
 }
 
 type PullRequestFeatures struct {
@@ -136,7 +160,7 @@ func (d *detector) IssueFeatures() (IssueFeatures, error) {
 	}
 
 	return IssueFeatures{
-		ActorIsAssignable: false, // replaceActorsForAssignable GraphQL mutation unavailable on GHES
+		ApiActorsSupported: false, // TODO ApiActorsSupported — actor-based mutations unavailable on GHES
 	}, nil
 }
 

@@ -23,23 +23,23 @@ func TestIssueFeatures(t *testing.T) {
 			name:     "github.com",
 			hostname: "github.com",
 			wantFeatures: IssueFeatures{
-				ActorIsAssignable: true,
+				ApiActorsSupported: true,
 			},
 			wantErr: false,
 		},
 		{
 			name:     "ghec data residency (ghe.com)",
 			hostname: "stampname.ghe.com",
 			wantFeatures: IssueFeatures{
-				ActorIsAssignable: true,
+				ApiActorsSupported: true,
 			},
 			wantErr: false,
 		},
 		{
 			name:     "GHE",
 			hostname: "git.my.org",
 			wantFeatures: IssueFeatures{
-				ActorIsAssignable: false,
+				ApiActorsSupported: false,
 			},
 			wantErr: false,
 		},

@@ -179,7 +179,7 @@ func createRun(opts *CreateOptions) (err error) {
 
 	// Replace special values in assignees
 	// For web mode, @copilot should be replaced by name; otherwise, login.
-	assigneeReplacer := prShared.NewSpecialAssigneeReplacer(apiClient, baseRepo.RepoHost(), issueFeatures.ActorIsAssignable, !opts.WebMode)
+	assigneeReplacer := prShared.NewSpecialAssigneeReplacer(apiClient, baseRepo.RepoHost(), issueFeatures.ApiActorsSupported, !opts.WebMode)
 	assignees, err := assigneeReplacer.ReplaceSlice(opts.Assignees)
 	if err != nil {
 		return err
@@ -188,14 +188,14 @@ func createRun(opts *CreateOptions) (err error) {
 	assigneeSet.AddValues(assignees)
 
 	tb := prShared.IssueMetadataState{
-		Type:           prShared.IssueMetadata,
-		ActorAssignees: issueFeatures.ActorIsAssignable,
-		Assignees:      assigneeSet.ToSlice(),
-		Labels:         opts.Labels,
-		ProjectTitles:  opts.Projects,
-		Milestones:     milestones,
-		Title:          opts.Title,
-		Body:           opts.Body,
+		Type:               prShared.IssueMetadata,
+		ApiActorsSupported: issueFeatures.ApiActorsSupported, // TODO ApiActorsSupported
+		Assignees:          assigneeSet.ToSlice(),
+		Labels:             opts.Labels,
+		ProjectTitles:      opts.Projects,
+		Milestones:         milestones,
+		Title:              opts.Title,
+		Body:               opts.Body,
 	}
 
 	if opts.RecoverFile != "" {
@@ -309,7 +309,7 @@ func createRun(opts *CreateOptions) (err error) {
 				State:     &tb,
 			}
 			var assigneeSearchFunc func(string) prompter.MultiSelectSearchResult
-			if issueFeatures.ActorIsAssignable {
+			if issueFeatures.ApiActorsSupported {
 				assigneeSearchFunc = prShared.RepoAssigneeSearchFunc(apiClient, baseRepo)
 			}
 			err = prShared.MetadataSurvey(opts.Prompter, opts.IO, baseRepo, fetcher, &tb, projectsV1Support, nil, assigneeSearchFunc)

@@ -548,7 +548,7 @@ func Test_createRun(t *testing.T) {
 						{ "data": { "replaceActorsForAssignable": { "__typename": "" } } }
 					`, func(inputs map[string]interface{}) {
 						assert.Equal(t, "ISSUEID", inputs["assignableId"])
-						assert.Equal(t, []interface{}{"copilot-swe-agent", "MonaLisa"}, inputs["actorLogins"])
+						assert.Equal(t, []interface{}{"copilot-swe-agent[bot]", "MonaLisa"}, inputs["actorLogins"])
 					}))
 			},
 			wantsStdout: "https://github.com/OWNER/REPO/issues/12\n",
@@ -1161,7 +1161,7 @@ func TestIssueCreate_AtCopilotAssignee(t *testing.T) {
 		{ "data": { "replaceActorsForAssignable": { "__typename": "" } } }
 	`, func(inputs map[string]interface{}) {
 			assert.Equal(t, "NEWISSUEID", inputs["assignableId"])
-			assert.Equal(t, []interface{}{"copilot-swe-agent"}, inputs["actorLogins"])
+			assert.Equal(t, []interface{}{"copilot-swe-agent[bot]"}, inputs["actorLogins"])
 		}))
 
 	output, err := runCommand(http, true, `-a @copilot -t hello -b "cash rules everything around me"`, nil)

@@ -215,9 +215,9 @@ func editRun(opts *EditOptions) error {
 
 	lookupFields := []string{"id", "number", "title", "body", "url"}
 	if editable.Assignees.Edited {
-		// TODO actorIsAssignableCleanup
-		if issueFeatures.ActorIsAssignable {
-			editable.Assignees.ActorAssignees = true
+		// TODO ApiActorsSupported
+		if issueFeatures.ApiActorsSupported {
+			editable.ApiActorsSupported = true
 			lookupFields = append(lookupFields, "assignedActors")
 		} else {
 			lookupFields = append(lookupFields, "assignees")
@@ -249,9 +249,9 @@ func editRun(opts *EditOptions) error {
 	// Fetch editable shared fields once for all issues.
 	apiClient := api.NewClientFromHTTP(httpClient)
 
-	// Wire up search function for assignees when ActorIsAssignable is available.
+	// Wire up search function for assignees when ApiActorsSupported is available.
 	// Interactive mode only supports a single issue, so we use its ID for the search query.
-	if issueFeatures.ActorIsAssignable && opts.Interactive && len(issues) == 1 {
+	if issueFeatures.ApiActorsSupported && opts.Interactive && len(issues) == 1 {
 		editable.AssigneeSearchFunc = prShared.AssigneeSearchFunc(apiClient, baseRepo, issues[0].ID)
 	}
 
@@ -280,7 +280,8 @@ func editRun(opts *EditOptions) error {
 		editable.Body.Default = issue.Body
 		// We use Actors as the default assignees if Actors are assignable
 		// on this GitHub host.
-		if editable.Assignees.ActorAssignees {
+		// TODO ApiActorsSupported
+		if editable.ApiActorsSupported {
 			editable.Assignees.Default = issue.AssignedActors.DisplayNames()
 			editable.Assignees.DefaultLogins = issue.AssignedActors.Logins()
 		} else {

@@ -395,7 +395,7 @@ func Test_editRun(t *testing.T) {
 				mockIssueProjectItemsGet(t, reg)
 				mockRepoMetadata(t, reg)
 				mockIssueUpdate(t, reg)
-				mockIssueUpdateActorAssignees(t, reg)
+				mockIssueUpdateApiActors(t, reg)
 				mockIssueUpdateLabels(t, reg)
 				mockProjectV2ItemUpdate(t, reg)
 			},
@@ -444,8 +444,8 @@ func Test_editRun(t *testing.T) {
 				mockIssueProjectItemsGet(t, reg)
 				mockIssueUpdate(t, reg)
 				mockIssueUpdate(t, reg)
-				mockIssueUpdateActorAssignees(t, reg)
-				mockIssueUpdateActorAssignees(t, reg)
+				mockIssueUpdateApiActors(t, reg)
+				mockIssueUpdateApiActors(t, reg)
 				mockIssueUpdateLabels(t, reg)
 				mockIssueUpdateLabels(t, reg)
 				mockProjectV2ItemUpdate(t, reg)
@@ -608,7 +608,7 @@ func Test_editRun(t *testing.T) {
 				mockIssueProjectItemsGet(t, reg)
 				mockRepoMetadata(t, reg)
 				mockIssueUpdate(t, reg)
-				mockIssueUpdateActorAssignees(t, reg)
+				mockIssueUpdateApiActors(t, reg)
 				mockIssueUpdateLabels(t, reg)
 				mockProjectV2ItemUpdate(t, reg)
 			},
@@ -902,7 +902,7 @@ func mockIssueUpdate(t *testing.T, reg *httpmock.Registry) {
 	)
 }
 
-func mockIssueUpdateActorAssignees(t *testing.T, reg *httpmock.Registry) {
+func mockIssueUpdateApiActors(t *testing.T, reg *httpmock.Registry) {
 	reg.Register(
 		httpmock.GraphQL(`mutation ReplaceActorsForAssignable\b`),
 		httpmock.GraphQLMutation(`
@@ -935,7 +935,7 @@ func mockProjectV2ItemUpdate(t *testing.T, reg *httpmock.Registry) {
 	)
 }
 
-func TestActorIsAssignable(t *testing.T) {
+func TestApiActorsSupported(t *testing.T) {
 	t.Run("when actors are assignable, query includes assignedActors", func(t *testing.T) {
 		ios, _, _, _ := iostreams.Test()
 

@@ -399,15 +399,15 @@ func createRun(opts *CreateOptions) error {
 
 	client := ctx.Client
 
-	// Detect ActorIsAssignable feature to determine if we can use search-based
+	// Detect ApiActorsSupported feature to determine if we can use search-based
 	// reviewer selection (github.com) or need to use legacy ID-based selection (GHES)
 	issueFeatures, err := opts.Detector.IssueFeatures()
 	if err != nil {
 		return err
 	}
 	var reviewerSearchFunc func(string) prompter.MultiSelectSearchResult
 	var assigneeSearchFunc func(string) prompter.MultiSelectSearchResult
-	if issueFeatures.ActorIsAssignable {
+	if issueFeatures.ApiActorsSupported {
 		reviewerSearchFunc = func(query string) prompter.MultiSelectSearchResult {
 			candidates, moreResults, err := api.SuggestedReviewerActorsForRepo(client, ctx.PRRefs.BaseRepo(), query)
 			if err != nil {
@@ -424,14 +424,14 @@ func createRun(opts *CreateOptions) error {
 		assigneeSearchFunc = shared.RepoAssigneeSearchFunc(client, ctx.PRRefs.BaseRepo())
 	}
 
-	state, err := NewIssueState(*ctx, *opts)
+	state, err := NewIssueState(*ctx, *opts, issueFeatures.ApiActorsSupported)
 	if err != nil {
 		return err
 	}
 
-	if issueFeatures.ActorIsAssignable {
-		state.ActorReviewers = true
-		state.ActorAssignees = true
+	// TODO ApiActorsSupported
+	if issueFeatures.ApiActorsSupported {
+		state.ApiActorsSupported = true
 	}
 
 	var openURL string
@@ -672,14 +672,14 @@ func initDefaultTitleBody(ctx CreateContext, state *shared.IssueMetadataState, u
 	return nil
 }
 
-func NewIssueState(ctx CreateContext, opts CreateOptions) (*shared.IssueMetadataState, error) {
+func NewIssueState(ctx CreateContext, opts CreateOptions, apiActorsSupported bool) (*shared.IssueMetadataState, error) {
 	var milestoneTitles []string
 	if opts.Milestone != "" {
 		milestoneTitles = []string{opts.Milestone}
 	}
 
-	meReplacer := shared.NewMeReplacer(ctx.Client, ctx.PRRefs.BaseRepo().RepoHost())
-	assignees, err := meReplacer.ReplaceSlice(opts.Assignees)
+	assigneeReplacer := shared.NewSpecialAssigneeReplacer(ctx.Client, ctx.PRRefs.BaseRepo().RepoHost(), apiActorsSupported, !opts.WebMode)
+	assignees, err := assigneeReplacer.ReplaceSlice(opts.Assignees)
 	if err != nil {
 		return nil, err
 	}

@@ -965,7 +965,7 @@ func Test_createRun(t *testing.T) {
 				`, func(inputs map[string]interface{}) {
 						assert.Equal(t, "NEWPULLID", inputs["pullRequestId"])
 						if _, ok := inputs["assigneeIds"]; ok {
-							t.Error("did not expect assigneeIds in updatePullRequest when ActorAssignees is true")
+							t.Error("did not expect assigneeIds in updatePullRequest when ApiActorsSupported is true")
 						}
 						assert.Equal(t, []interface{}{"BUGID", "TODOID"}, inputs["labelIds"])
 						assert.Equal(t, []interface{}{"ROADMAPID"}, inputs["projectIds"])