fix: add OpenAI Codex OAuth to configure

src/commands/openai-codex-model-default.ts

@@ -0,0 +1,46 @@
+import type { ClawdbotConfig } from "../config/config.js";
+import type { AgentModelListConfig } from "../config/types.js";
+
+export const OPENAI_CODEX_DEFAULT_MODEL = "openai-codex/gpt-5.2";
+
+function shouldSetOpenAICodexModel(model?: string): boolean {
+  const trimmed = model?.trim();
+  if (!trimmed) return true;
+  const normalized = trimmed.toLowerCase();
+  if (normalized.startsWith("openai-codex/")) return false;
+  if (normalized.startsWith("openai/")) return true;
+  return normalized === "gpt" || normalized === "gpt-mini";
+}
+
+function resolvePrimaryModel(
+  model?: AgentModelListConfig | string,
+): string | undefined {
+  if (typeof model === "string") return model;
+  if (model && typeof model === "object" && typeof model.primary === "string") {
+    return model.primary;
+  }
+  return undefined;
+}
+
+export function applyOpenAICodexModelDefault(cfg: ClawdbotConfig): {
+  next: ClawdbotConfig;
+  changed: boolean;
+} {
+  const current = resolvePrimaryModel(cfg.agent?.model);
+  if (!shouldSetOpenAICodexModel(current)) {
+    return { next: cfg, changed: false };
+  }
+  return {
+    next: {
+      ...cfg,
+      agent: {
+        ...cfg.agent,
+        model:
+          cfg.agent?.model && typeof cfg.agent.model === "object"
+            ? { ...cfg.agent.model, primary: OPENAI_CODEX_DEFAULT_MODEL }
+            : { primary: OPENAI_CODEX_DEFAULT_MODEL },
+      },
+    },
+    changed: true,
+  };
+}