feat: continue a terminal session with another agent, or fork it

apps/desktop/src/renderer/lib/preset-icon-key.test.ts

@@ -20,6 +20,7 @@ function createAgent(
 		env: {},
 		order: 0,
 		...rest,
+		forkArgs: rest.forkArgs ?? [],
 	};
 }
 

apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/TerminalPane/components/TerminalPaneHeaderExtras/TerminalPaneHeaderExtras.tsx

@@ -10,11 +10,18 @@ import {
 import { TerminalConnectionIndicator } from "./components/TerminalConnectionIndicator";
 import { TerminalIdCopyMenu } from "./components/TerminalIdCopyMenu";
 import { TerminalPageWatchChip } from "./components/TerminalPageWatchChip";
+import { TerminalSessionHandoffMenu } from "./components/TerminalSessionHandoffMenu";
 
 interface TerminalPaneHeaderExtrasProps {
 	workspaceId: string;
 	terminalId: string;
 	terminalInstanceId: string;
+	onCreateNewAgentSession: (input: {
+		configId: string;
+		placement: "split-pane" | "new-tab";
+		prompt: string;
+		forkSessionId?: string;
+	}) => Promise<{ terminalId: string } | null>;
 }
 
 /**
@@ -27,6 +34,7 @@ export function TerminalPaneHeaderExtras({
 	workspaceId,
 	terminalId,
 	terminalInstanceId,
+	onCreateNewAgentSession,
 }: TerminalPaneHeaderExtrasProps) {
 	const { t } = useLingui();
 	const isOpen = useTerminalRichInputOpen();
@@ -53,6 +61,11 @@ export function TerminalPaneHeaderExtras({
 				terminalId={terminalId}
 			/>
 			<TerminalIdCopyMenu workspaceId={workspaceId} terminalId={terminalId} />
+			<TerminalSessionHandoffMenu
+				workspaceId={workspaceId}
+				terminalId={terminalId}
+				onCreateNewAgentSession={onCreateNewAgentSession}
+			/>
 			<Tooltip>
 				<TooltipTrigger asChild>
 					<button