Hook up chat title provider for agent/edit modes (#245)

Fix #255787

Author: roblourens

src/extension/conversation/vscode-node/chatParticipants.ts

@@ -165,6 +165,7 @@ class ChatAgents implements IDisposable {
 		const editingAgent = this.createAgent(editingSessionAgentName, Intent.Edit);
 		editingAgent.iconPath = new vscode.ThemeIcon('copilot');
 		editingAgent.additionalWelcomeMessage = this.additionalWelcomeMessage;
+		editingAgent.titleProvider = this.instantiationService.createInstance(ChatTitleProvider);
 		return editingAgent;
 	}
 
@@ -179,13 +180,15 @@ class ChatAgents implements IDisposable {
 		const editingAgent = this.createAgent(editingSessionAgent2Name, Intent.Edit2);
 		editingAgent.iconPath = new vscode.ThemeIcon('copilot');
 		editingAgent.additionalWelcomeMessage = this.additionalWelcomeMessage;
+		editingAgent.titleProvider = this.instantiationService.createInstance(ChatTitleProvider);
 		return editingAgent;
 	}
 
 	private registerEditsAgent(): IDisposable {
 		const editingAgent = this.createAgent(editsAgentName, Intent.Agent);
 		editingAgent.iconPath = new vscode.ThemeIcon('tools');
 		editingAgent.additionalWelcomeMessage = this.additionalWelcomeMessage;
+		editingAgent.titleProvider = this.instantiationService.createInstance(ChatTitleProvider);
 		return editingAgent;
 	}