fix: truncate context logic

Plugins/ZShell/Llm/generation.cpp

@@ -220,8 +220,6 @@ LlmSegment* ChatGeneration::beginToolCall(
 		LlmSegment::Type::ToolCall, QDateTime::currentMSecsSinceEpoch(), this);
 	segment->setName(name);
 	segment->setToolCallId(toolCallId);
-	// Awaiting user approval until LlmClient::approveTools() promotes it
-	// to Running; denyTools()/endStream() finalize it as an error.
 	segment->setStatus(LlmSegment::Status::Pending);
 	segment->begin();
 	addSegment(segment);