Add structured-output support (#4793)

Add samples and docs.

pnpm-lock.yaml

@@ -61,6 +61,12 @@ importers:
       typescript-eslint:
         specifier: ^8.45.0
         version: 8.45.0(eslint@9.36.0)(typescript@5.9.2)
+      zod:
+        specifier: ^3.24.2
+        version: 3.25.76
+      zod-to-json-schema:
+        specifier: ^3.24.6
+        version: 3.24.6(zod@3.25.76)
 
 packages:
 
@@ -2175,6 +2181,14 @@ packages:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
 
+  zod-to-json-schema@3.24.6:
+    resolution: {integrity: sha512-h/z3PKvcTcTetyjl1fkj79MHNEjm+HpD6NXheWjzOekY7kV+lwDYnHw+ivHkijnCSMz1yJaWBD9vu/Fcmk+vEg==}
+    peerDependencies:
+      zod: ^3.24.1
+
+  zod@3.25.76:
+    resolution: {integrity: sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==}
+
 snapshots:
 
   '@babel/code-frame@7.27.1':
@@ -4492,3 +4506,9 @@ snapshots:
   yn@3.1.1: {}
 
   yocto-queue@0.1.0: {}
+
+  zod-to-json-schema@3.24.6(zod@3.25.76):
+    dependencies:
+      zod: 3.25.76
+
+  zod@3.25.76: {}