Feat Kiro OAuth, Fix Codex

open-sse/executors/codex.js

@@ -0,0 +1,28 @@
+import { BaseExecutor } from "./base.js";
+import { CODEX_DEFAULT_INSTRUCTIONS } from "../config/codexInstructions.js";
+import { PROVIDERS } from "../config/constants.js";
+
+/**
+ * Codex Executor - handles OpenAI Codex API (Responses API format)
+ * Automatically injects default instructions if missing
+ */
+export class CodexExecutor extends BaseExecutor {
+  constructor() {
+    super("codex", PROVIDERS.codex);
+  }
+
+  /**
+   * Transform request before sending - inject default instructions if missing
+   */
+  transformRequest(model, body, stream, credentials) {
+    // If no instructions provided, inject default Codex instructions
+    if (!body.instructions || body.instructions.trim() === "") {
+      body.instructions = CODEX_DEFAULT_INSTRUCTIONS;
+    }
+
+    // Ensure store is false (Codex requirement)
+    body.store = false;
+
+    return body;
+  }
+}