add macros (#68)

fixtures/codex-effort.ts

@@ -0,0 +1,27 @@
+import type { Effort, Payload } from "../external.ts";
+
+/**
+ * Test fixture for Codex effort levels.
+ * Runs all three effort levels in sequence.
+ *
+ * Run with:
+ *   AGENT_OVERRIDE=codex pnpm play codex-effort.ts
+ *
+ * Effort levels:
+ *   - "mini": gpt-5.1-codex-mini + modelReasoningEffort: "low"
+ *   - "auto": gpt-5.1-codex + default reasoning
+ *   - "max": gpt-5.1-codex-max + modelReasoningEffort: "high"
+ */
+
+const efforts: Effort[] = ["mini", "auto", "max"];
+
+export default efforts.map((effort) => ({
+  "~pullfrog": true,
+  agent: "codex",
+  prompt: "What is 2 + 2? Reply with just the number.",
+  event: {
+    trigger: "workflow_dispatch",
+  },
+  modes: [],
+  effort,
+})) satisfies Payload[];