added branchname and commitmessage in response schema

Author: Prashant-7718

packages/sdk/src/index.test.ts

@@ -182,6 +182,8 @@ describe('MermaidChart', () => {
       const jsonResponse = {
         title: 'Add validation step to flowchart',
         description: '## What changed\n- Added node C',
+        branchName: 'feature/flowchart-validation',
+        commitMessage: 'Add validation node C',
       };
 
       // eslint-disable-next-line @typescript-eslint/no-explicit-any

packages/sdk/src/index.ts

@@ -334,6 +334,7 @@ export class MermaidChart {
 
   /**
    * Suggests a pull request title and body (markdown) from a before/after diagram diff (Mermaid AI).
+   * The response also include  `branchName` and `commitMessage`.
    *
    * @param request - `originalDiagram` and `editedDiagram` only
    * @throws {@link AICreditsLimitExceededError} if credits limit exceeded (HTTP 402)

packages/sdk/src/types.ts

@@ -105,11 +105,13 @@ export interface PrSummaryRequest {
 }
 
 /**
- * Public response: suggested PR title and markdown description
+ * Public response: suggested PR title and markdown description, branch name, and commit message.
  */
 export interface PrSummaryResponse {
   title: string;
   description: string;
+  branchName?: string;
+  commitMessage?: string;
 }
 
 /**