refactor(agent/tools): extract _channel_app_name helper

Replace the duplicated isinstance-based app_name derivation in create_escalation_tool and ixp_escalation_tool with one shared _channel_app_name helper.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: cotovanu-cristian

src/uipath_langchain/agent/tools/escalation_tool.py

@@ -252,6 +252,14 @@ def _get_exported_trace_id(trace_id: str | None) -> str | None:
     return trace_id
 
 
+def _channel_app_name(channel: EscalationChannel) -> str | None:
+    return (
+        channel.properties.app_name
+        if isinstance(channel, AgentEscalationChannel)
+        else None
+    )
+
+
 async def create_task_for_channel(
     client: UiPath,
     channel: EscalationChannel,
@@ -307,11 +315,7 @@ def create_escalation_tool(
 
     tool_name: str = f"escalate_{sanitize_tool_name(resource.name)}"
     channel: EscalationChannel = resource.channels[0]
-    app_name = (
-        channel.properties.app_name
-        if isinstance(channel, AgentEscalationChannel)
-        else None
-    )
+    app_name = _channel_app_name(channel)
 
     input_model: Any = create_model(channel.input_schema)
     output_model: Any = create_model(channel.output_schema)

src/uipath_langchain/agent/tools/ixp_escalation_tool.py

@@ -6,10 +6,7 @@
 from langchain_core.messages import ToolCall
 from langchain_core.tools import StructuredTool
 from pydantic import BaseModel
-from uipath.agent.models.agent import (
-    AgentEscalationChannel,
-    AgentIxpVsEscalationResourceConfig,
-)
+from uipath.agent.models.agent import AgentIxpVsEscalationResourceConfig
 from uipath.eval.mocks import mockable
 from uipath.platform import UiPath
 from uipath.platform.common import WaitDocumentExtractionValidation
@@ -29,6 +26,7 @@
 )
 
 from ..exceptions import AgentRuntimeError, AgentRuntimeErrorCode
+from .escalation_tool import _channel_app_name
 from .structured_tool_with_output_type import StructuredToolWithOutputType
 from .utils import (
     resolve_task_title,
@@ -160,11 +158,7 @@ async def ixp_escalation_tool_wrapper(
         output_type=OutputSchema,
         metadata={
             "tool_type": "vs_escalation",
-            "display_name": (
-                channel.properties.app_name
-                if isinstance(channel, AgentEscalationChannel)
-                else None
-            ),
+            "display_name": _channel_app_name(channel),
             "channel_type": channel.type,
             "ixp_tool_id": ixp_tool_name,
             "storage_bucket_name": storage_bucket_name,