Add response schema

tokenizer_config.json

@@ -29,5 +29,49 @@
   "pad_token": "<|endoftext|>",
   "padding_side": "left",
   "remove_space": false,
+  "response_schema": {
+    "type": "object",
+    "properties": {
+      "role": {
+        "const": "assistant"
+      },
+      "thinking": {
+        "type": "string",
+        "x-regex": "^(?:<think>)?\\s*(\\S[\\s\\S]*?)\\s*</think>"
+      },
+      "content": {
+        "type": "string",
+        "x-regex": "</think>\\s*((?:(?!<tool_call>)[\\s\\S])+?)\\s*$"
+      },
+      "tool_calls": {
+        "x-regex-iterator": "<tool_call>\\s*([\\s\\S]*?)\\s*</tool_call>",
+        "type": "array",
+        "items": {
+          "type": "object",
+          "x-parser": "json",
+          "x-parser-args": {
+            "transform": "{type: 'function', function: @}"
+          },
+          "properties": {
+            "type": {
+              "const": "function"
+            },
+            "function": {
+              "type": "object",
+              "properties": {
+                "name": {
+                  "type": "string"
+                },
+                "arguments": {
+                  "type": "object",
+                  "additionalProperties": {}
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
   "tokenizer_class": "TokenizersBackend"
 }