fix(ralph-loop): update template to reflect 500 iteration cap

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/features/builtin-commands/templates/ralph-loop.test.ts

@@ -0,0 +1,15 @@
+import { describe, expect, test } from "bun:test"
+import { ULW_LOOP_TEMPLATE } from "./ralph-loop"
+
+describe("ULW_LOOP_TEMPLATE", () => {
+  test("returns the documented iteration caps for ultrawork and normal modes", () => {
+    // given
+    const expectedIterationCaps = "The iteration limit is 500 for ultrawork mode, 100 for normal mode"
+
+    // when
+    const template = ULW_LOOP_TEMPLATE
+
+    // then
+    expect(template).toContain(expectedIterationCaps)
+  })
+})