Enable more biome lints and fix things

packages/ai/src/agent/agent-loop.ts

@@ -177,6 +177,7 @@ async function streamAssistantResponse(
 		systemPrompt: context.systemPrompt,
 		messages: [...processedMessages].map((m) => {
 			if (m.role === "toolResult") {
+				// biome-ignore lint/correctness/noUnusedVariables: fine here
 				const { details, ...rest } = m;
 				return rest;
 			} else {

packages/ai/src/agent/tools/calculate.ts

@@ -8,7 +8,7 @@ export interface CalculateResult extends AgentToolResult<undefined> {
 
 export function calculate(expression: string): CalculateResult {
 	try {
-		const result = new Function("return " + expression)();
+		const result = new Function(`return ${expression}`)();
 		return { content: [{ type: "text", text: `${expression} = ${result}` }], details: undefined };
 	} catch (e: any) {
 		throw new Error(e.message || String(e));

packages/ai/src/agent/tools/get-current-time.ts

@@ -17,7 +17,7 @@ export async function getCurrentTime(timezone?: string): Promise<GetCurrentTimeR
 				content: [{ type: "text", text: timeStr }],
 				details: { utcTimestamp: date.getTime() },
 			};
-		} catch (e) {
+		} catch (_e) {
 			throw new Error(`Invalid timezone: ${timezone}. Current UTC time: ${date.toISOString()}`);
 		}
 	}