[http-specs] Fix bulletPointsModel API signature to match runtime behavior

[Copilot]

Plan to fix bulletPointsModel API and runtime behavior mismatch

• Update main.tsp: Change op bulletPointsModel response type from NoContentResponse to OkResponse
• Update mockapi.ts: Wrap the request body in an input property to match the expected format { "input": {"prop": "Simple"} }
• Verify the changes build successfully - TypeSpec compiles without errors
• Run any relevant tests to ensure no regressions - Compiled JavaScript output verified
• Add changelog entry for the fix
• Run pnpm ci in http-specs folder - formatting and validation passed

Changes Made:

main.tsp

• Changed response type from NoContentResponse (status 204) to OkResponse (status 200)
• Updated scenarioDoc to show correct input format: {"input": {"prop": "Simple"}}

mockapi.ts

• Wrapped request body in input property to match the operation signature
• Now sends {input: {prop: "Simple"}} instead of {prop: "Simple"}

Changelog

• Added changelog entry in .chronus/changes/ documenting the fix

All changes compile successfully and validation passed (717 scenarios passed, 2 pre-existing failures unrelated to this change).

Original prompt

---

This section details on the original issue you should resolve

<issue_title>[http-specs][bug] API doesn't follow runtime behavior</issue_title>
<issue_description>

typespec/packages/http-specs/specs/documentation/main.tsp

Lines 85 to 96 in 7157290

	@scenarioDoc("""
	Test bullet points in model and enum documentation.
	Expected input:
	```json
	{
	"prop": "Simple"
	}
	```
	""")
	@post
	@route("/bullet-points/model")
	op bulletPointsModel(input: BulletPointsModel): NoContentResponse;

doesn't follow runtime behavior of

typespec/packages/http-specs/specs/documentation/mockapi.ts

Lines 37 to 42 in 7157290

	Scenarios.Documentation_Lists_bulletPointsModel = createPostServerTests(
	"/documentation/lists/bullet-points/model",
	{
	prop: "Simple",
	},
	);

The related file shall make the following 2 fixes

1. change response type of op bulletPointsModel to OkResponse
2. update expected request of op bulletPointsModel to

{
  "input": {"prop": "Simple"}
}

NOTE: please fix main.tsp and mockapi.ts at the same time.</issue_description>

Comments on the Issue (you are @copilot in this section)

@msyyc After this issue resolved, we could reopen test case for https://github.com//pull/8927/files#diff-8a1b7d09be7a2e3e5524ec956eac181cf0bade458ce3cac4f65d240fa5217e64

• Fixes [http-specs][bug] API doesn't follow runtime behavior #9173

---

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commit: 7a1f806

[github-actions]

All changed packages have been documented.

• ✅ @typespec/http-specs

Show changes

@typespec/http-specs - fix ✏️

Fix bulletPointsModel API signature to match runtime behavior - changed response type to OkResponse and updated request body structure

[msyyc]

@markcowl / @timotheeguerin Pls help review, thanks!