[FIX] Added missing stream_update() Method (#1675)

* Added missing stream result method

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pk-zipstack

unstract/sdk1/src/unstract/sdk1/tool/stream.py

@@ -4,6 +4,7 @@
 import os
 from typing import Any
 
+from deprecated import deprecated
 from unstract.sdk1.constants import Command, LogLevel, LogStage, ToolEnv
 from unstract.sdk1.exceptions import SdkError
 from unstract.sdk1.utils.common import Utils
@@ -234,3 +235,24 @@ def stream_update(message: str, state: str, **kwargs: dict[str, Any]) -> None:
             **kwargs,
         }
         print(json.dumps(record))
+
+    @staticmethod
+    @deprecated(version="0.4.4", reason="Use `BaseTool.write_to_result()` instead")
+    def stream_result(result: dict[Any, Any], **kwargs: dict[str, Any]) -> None:
+        """Streams tool result (review if required).
+
+        Args:
+            result (dict): The result of the tool. Refer to the
+                Unstract protocol for the format of the result.
+            **kwargs: Additional keyword arguments to include in the record.
+
+        Returns:
+            None
+        """
+        record = {
+            "type": "RESULT",
+            "result": result,
+            "emitted_at": datetime.datetime.now().isoformat(),
+            **kwargs,
+        }
+        print(json.dumps(record))