remove selectedEngine

Author: kinseydurhamgrace

cli/cmd/engine-cli/main.go

@@ -34,7 +34,6 @@ var (
 	commitEmail              string
 	assignmentID             string
 	enableModelSelection     bool
-	selectedEngine           string
 	selectedModel            string
 	defaultModel             string
 	availableModels          []string
@@ -95,7 +94,6 @@ func init() {
 	runCmd.Flags().StringVar(&commitEmail, "commit-email", "engine-cli@users.noreply.github.com", "Git author email for commits")
 	runCmd.Flags().StringVar(&assignmentID, "assignment-id", "", "Assignment ID to enable cross-run history persistence")
 	runCmd.Flags().BoolVar(&enableModelSelection, "enable-model-selection", false, "Enable the model selection feature flag in the job response")
-	runCmd.Flags().StringVar(&selectedEngine, "selected-engine", "", "Selected engine family for this job (for example: claude or codex)")
 	runCmd.Flags().StringVar(&selectedModel, "selected-model", "", "Selected model for this job")
 	runCmd.Flags().StringVar(&defaultModel, "default-model", "", "Default model for this engine")
 	runCmd.Flags().StringSliceVar(&availableModels, "available-model", nil, "Available model for this engine (repeatable)")
@@ -162,7 +160,6 @@ func runEngine(cmd *cobra.Command, args []string) error {
 		CommitLogin:              commitLogin,
 		CommitEmail:              commitEmail,
 		EnableModelSelection:     enableModelSelection,
-		SelectedEngine:           selectedEngine,
 		SelectedModel:            selectedModel,
 		DefaultModel:             defaultModel,
 		AvailableModels:          availableModels,
@@ -286,7 +283,6 @@ func runEngine(cmd *cobra.Command, args []string) error {
 	}
 
 	if enableModelSelection {
-		env.SelectedEngine = selectedEngine
 		env.SelectedModel = selectedModel
 		env.DefaultModel = defaultModel
 		env.AvailableModels = availableModels

cli/internal/runner/runner.go

@@ -23,7 +23,6 @@ type Environment struct {
 	InferenceToken  string
 	InferenceURL    string
 	GitToken        string
-	SelectedEngine  string
 	SelectedModel   string
 	DefaultModel    string
 	AvailableModels []string
@@ -142,10 +141,6 @@ func buildEnv(env Environment, extra map[string]string) []string {
 		platformVars["GITHUB_INFERENCE_URL"] = env.InferenceURL
 	}
 
-	if env.SelectedEngine != "" {
-		platformVars["GITHUB_SELECTED_ENGINE"] = env.SelectedEngine
-	}
-
 	if env.SelectedModel != "" {
 		platformVars["GITHUB_SELECTED_MODEL"] = env.SelectedModel
 	}

cli/internal/server/server.go

@@ -32,7 +32,6 @@ type JobConfig struct {
 	CommitEmail              string
 	MCPProxyURL              string
 	EnableModelSelection     bool
-	SelectedEngine           string
 	SelectedModel            string
 	DefaultModel             string
 	AvailableModels          []string
@@ -217,10 +216,6 @@ func (s *MockPlatformServer) handleGetJob(w http.ResponseWriter, r *http.Request
 			"model_selection": true,
 		}
 
-		if s.jobConfig.SelectedEngine != "" {
-			response["selected_engine"] = s.jobConfig.SelectedEngine
-		}
-
 		if s.jobConfig.SelectedModel != "" {
 			response["selected_model"] = s.jobConfig.SelectedModel
 		}

docs/integration-guide.md

@@ -94,7 +94,6 @@ The platform injects these environment variables into the engine process at runt
 | `GITHUB_INFERENCE_TOKEN` | Yes | Token used by your inference client / SDK for model calls. |
 | `GITHUB_INFERENCE_URL` | Yes | Base URL for the inference API (e.g. Copilot API). Use this along with `GITHUB_INFERENCE_TOKEN` to make LLM inference calls. |
 | `GITHUB_GIT_TOKEN` | Yes | Token used for authenticated `git clone` / `git push`. |
-| `GITHUB_SELECTED_ENGINE` | No | Engine family selected for this run (e.g. `claude`, `codex`). Only set when model selection is enabled. |
 | `GITHUB_SELECTED_MODEL` | No | Model selected by the platform for this run. Only set when model selection is enabled. |
 | `GITHUB_DEFAULT_MODEL` | No | Default model for the selected engine. Only set when model selection is enabled. |
 | `GITHUB_AVAILABLE_MODELS` | No | JSON array of models the engine can choose from (e.g. `["claude-sonnet-4.5","claude-opus-4.1"]`). Only set when model selection is enabled. |
@@ -151,7 +150,6 @@ Headers:
   "features": {
     "model_selection": true
   },
-  "selected_engine": "claude",
   "selected_model": "claude-sonnet-4.5",
   "default_model": "claude-sonnet-4.5",
   "available_models": ["claude-sonnet-4.5", "claude-opus-4.1"],
@@ -171,7 +169,6 @@ Headers:
 | `commit_login` | Git author name for commits. |
 | `commit_email` | Git author email for commits. |
 | `features` | Optional feature flags. Currently supports `model_selection` (boolean). |
-| `selected_engine` | Engine family selected for this run (e.g. `claude` or `codex`). Present when `features.model_selection` is `true`. |
 | `selected_model` | Model selected by the platform for this run. Present when `features.model_selection` is `true`. |
 | `default_model` | Default model for the selected engine. Present when `features.model_selection` is `true`. |
 | `available_models` | List of models the engine can choose from. Present when `features.model_selection` is `true`. |

src/client.ts

@@ -485,8 +485,6 @@ export interface JobDetails {
     commit_login: string;
     commit_email: string;
     mcp_proxy_url?: string;
-    /** Engine family selected for this run (e.g., "claude" or "codex"). Present when model selection is enabled. */
-    selected_engine?: string;
     /** Model selected by the platform for this run. Present when model selection is enabled. */
     selected_model?: string;
     /** Default model for the selected engine. Present when model selection is enabled. */