feat(api): return commits on version by id request

apps/api/src/changelog/version/byId.ts

@@ -36,6 +36,9 @@ export const registerVersionById = (api: typeof changelogVersionApi) => {
 
     const versionResult = await db.query.changelog_version.findFirst({
       where: eq(changelog_version.id, id),
+      with: {
+        commits: true,
+      },
     })
 
     if (!versionResult) {

packages/schema/src/commit/base.ts

@@ -25,6 +25,6 @@ export const CommitOutput = z
       email: z.string().email(),
       date: z.string(),
     }),
-    body: z.string().optional(),
+    body: z.string().optional().nullable(),
   })
   .openapi('Commit')