Perform case insensitive search for model and agent (#2364)

Author: DonJayamanne

src/extension/agents/copilotcli/node/copilotCli.ts

@@ -115,7 +115,8 @@ export class CopilotCLIModels implements ICopilotCLIModels {
 	}
 	async resolveModel(modelId: string): Promise<string | undefined> {
 		const models = await this.getModels();
-		return models.find(m => m.id === modelId)?.id;
+		modelId = modelId.trim().toLowerCase();
+		return models.find(m => m.id.toLowerCase() === modelId)?.id;
 	}
 	public async getDefaultModel() {
 		// First item in the list is always the default model (SDK sends the list ordered based on default preference)
@@ -124,9 +125,9 @@ export class CopilotCLIModels implements ICopilotCLIModels {
 			return;
 		}
 		const defaultModel = models[0];
-		const preferredModelId = this.extensionContext.globalState.get<string>(COPILOT_CLI_MODEL_MEMENTO_KEY, defaultModel.id);
+		const preferredModelId = this.extensionContext.globalState.get<string>(COPILOT_CLI_MODEL_MEMENTO_KEY, defaultModel.id)?.trim()?.toLowerCase();
 
-		return models.find(m => m.id === preferredModelId)?.id ?? defaultModel.id;
+		return models.find(m => m.id.toLowerCase() === preferredModelId)?.id ?? defaultModel.id;
 	}
 
 	public async setDefaultModel(modelId: string | undefined): Promise<void> {
@@ -197,17 +198,17 @@ export class CopilotCLIAgents implements ICopilotCLIAgents {
 			return undefined;
 		}
 		const agents = await this.getAgents();
-		return agents.find(agent => agent.name === agentId)?.name;
+		return agents.find(agent => agent.name.toLowerCase() === agentId)?.name;
 	}
 
 	async getDefaultAgent(): Promise<string> {
-		const agentId = this.extensionContext.workspaceState.get<string>(COPILOT_CLI_AGENT_MEMENTO_KEY, COPILOT_CLI_DEFAULT_AGENT_ID);
+		const agentId = this.extensionContext.workspaceState.get<string>(COPILOT_CLI_AGENT_MEMENTO_KEY, COPILOT_CLI_DEFAULT_AGENT_ID).toLowerCase();
 		if (agentId === COPILOT_CLI_DEFAULT_AGENT_ID) {
 			return agentId;
 		}
 
 		const agents = await this.getAgents();
-		return agents.find(agent => agent.name === agentId)?.name ?? COPILOT_CLI_DEFAULT_AGENT_ID;
+		return agents.find(agent => agent.name.toLowerCase() === agentId)?.name ?? COPILOT_CLI_DEFAULT_AGENT_ID;
 	}
 	async setDefaultAgent(agent: string | undefined): Promise<void> {
 		await this.extensionContext.workspaceState.update(COPILOT_CLI_AGENT_MEMENTO_KEY, agent);
@@ -217,7 +218,8 @@ export class CopilotCLIAgents implements ICopilotCLIAgents {
 	}
 	async resolveAgent(agentId: string): Promise<SweCustomAgent | undefined> {
 		const customAgents = await this.getAgents();
-		const agent = customAgents.find(agent => agent.name === agentId);
+		agentId = agentId.toLowerCase();
+		const agent = customAgents.find(agent => agent.name.toLowerCase() === agentId);
 		// Return a clone to allow mutations (to tools, etc).
 		return agent ? this.cloneAgent(agent) : undefined;
 	}