docs: add GET /api/chats/{id}/artist

[arpitgupta1214]

Summary

• document new GET /api/chats/{id}/artist endpoint
• add chat reference page: api-reference/chat/artist
• add OpenAPI path and response schemas for success/error cases
• add page to Chat navigation group

Summary by CodeRabbit

Release Notes

• New Features

  • Added a new API endpoint to retrieve artist information and details associated with a specific chat session.

• Documentation

  • Added complete API reference documentation for the new chat artist endpoint, including request parameters, response formats, and error handling information.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 07cef824-6a0e-4843-8a7c-aec645656c76

📥 Commits

Reviewing files that changed from the base of the PR and between 073fb8e and 2f526f1.

📒 Files selected for processing (1)

• api-reference/chat/artist.mdx

📝 Walkthrough

Walkthrough

A new chat artist API endpoint has been introduced, including the OpenAPI specification with request/response schemas, a corresponding documentation page, and navigation index updates to reflect the addition.

Changes

Cohort / File(s)	Summary
API Documentation api-reference/chat/artist.mdx	New documentation page for the GET /api/chats/{id}/artist endpoint with frontmatter configuration.
OpenAPI Specification api-reference/openapi.json	Added new endpoint GET /api/chats/{id}/artist accepting a UUID path parameter and returning chat artist information (room ID, artist ID, and existence status) with success (200) and error (400, 404, 401) response schemas.
Navigation Index docs.json	Added new page entry to Chat group under API reference navigation and fixed end-of-file formatting.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 A whisker-twitch of joy, I say,
New endpoints bloom along the way!
The artist's data now takes flight,
Through schemas clean and docs so bright! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: adding documentation for the GET /api/chats/{id}/artist endpoint, which is the primary focus of the PR.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/arpit-docs-chat-artist-endpoint

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[coderabbitai]

Actionable comments posted: 1

🧹 Nitpick comments (1)

api-reference/openapi.json (1)

6531-6550: Consider reusing the existing chat error schema to avoid drift.

GetChatArtistErrorResponse is structurally identical to GetChatsErrorResponse. Reusing the existing schema keeps docs DRY and easier to maintain.

♻️ Suggested refactor

@@
-          "400": {
+          "400": {
             "description": "Bad request - invalid chat id",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/GetChatArtistErrorResponse"
+                  "$ref": "#/components/schemas/GetChatsErrorResponse"
                 }
               }
             }
           },
@@
-          "404": {
+          "404": {
             "description": "Not found - chat does not exist or is not accessible",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/GetChatArtistErrorResponse"
+                  "$ref": "#/components/schemas/GetChatsErrorResponse"
                 }
               }
             }
           }
@@
-      "GetChatArtistErrorResponse": {
-        "type": "object",
-        "required": [
-          "status",
-          "error"
-        ],
-        "properties": {
-          "status": {
-            "type": "string",
-            "enum": [
-              "error"
-            ],
-            "description": "Status of the request"
-          },
-          "error": {
-            "type": "string",
-            "description": "Error message describing what went wrong"
-          }
-        }
-      },

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@api-reference/openapi.json` around lines 6531 - 6550, Get rid of the
duplicated schema by replacing the GetChatArtistErrorResponse definition with a
$ref to the existing GetChatsErrorResponse schema so both use the same canonical
error object; locate the GetChatArtistErrorResponse entry in the OpenAPI file
and change its definition to reference GetChatsErrorResponse (use the same
component name GetChatsErrorResponse) to avoid drift between
GetChatArtistErrorResponse and GetChatsErrorResponse.

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@api-reference/chat/artist.mdx`:
- Around line 2-3: The OpenAPI frontmatter uses a lowercase HTTP method; update
the openapi frontmatter value in api-reference/chat/artist.mdx from "get
/api/chats/{id}/artist" to use an uppercase method (e.g., "GET
/api/chats/{id}/artist") so it matches the required 'METHOD /path' format used
by the other API reference pages and tooling that reads the openapi key.

---

Nitpick comments:
In `@api-reference/openapi.json`:
- Around line 6531-6550: Get rid of the duplicated schema by replacing the
GetChatArtistErrorResponse definition with a $ref to the existing
GetChatsErrorResponse schema so both use the same canonical error object; locate
the GetChatArtistErrorResponse entry in the OpenAPI file and change its
definition to reference GetChatsErrorResponse (use the same component name
GetChatsErrorResponse) to avoid drift between GetChatArtistErrorResponse and
GetChatsErrorResponse.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 8b416d1d-a731-47ac-adaa-7f8d6f166016

📥 Commits

Reviewing files that changed from the base of the PR and between c8e2aa5 and 073fb8e.

📒 Files selected for processing (3)

• api-reference/chat/artist.mdx
• api-reference/openapi.json
• docs.json