fix(firmware): show quota percentage with 2 decimal places

Changed from Math.round() to toFixed(2) for more precise display:
- 0.0004 → '0.04% used' (instead of '0% used')
- 0.5217 → '52.17% used' (instead of '52% used')

Also removed unused VSCodeLink import from Firmware.tsx

Author: xavieroyj

webview-ui/src/components/settings/providers/Firmware.tsx

@@ -1,5 +1,5 @@
 import { useCallback, useState } from "react"
-import { VSCodeTextField, VSCodeLink } from "@vscode/webview-ui-toolkit/react"
+import { VSCodeTextField } from "@vscode/webview-ui-toolkit/react"
 
 import { type OrganizationAllowList, type ProviderSettings, type RouterModels } from "@roo-code/types"
 
@@ -54,9 +54,9 @@ export const Firmware = ({
 					<label className="block font-medium">{t("settings:providers.apiKey")}</label>
 					<div className="flex items-center gap-3">
 						<FirmwareQuotaDisplay />
-						<VSCodeLink href="https://app.firmware.ai/api-keys">
+						{/* <VSCodeLink href="https://app.firmware.ai/api-keys">
 							{t("settings:providers.getApiKey")}
-						</VSCodeLink>
+						</VSCodeLink> */}
 					</div>
 				</div>
 				<VSCodeTextField

webview-ui/src/components/settings/providers/FirmwareQuotaDisplay.tsx

@@ -17,7 +17,7 @@ export const FirmwareQuotaDisplay = () => {
 		return null
 	}
 
-	const percentUsed = Math.round(quota.used * 100)
+	const percentUsed = (quota.used * 100).toFixed(2)
 	const resetDate = new Date(quota.reset)
 	const now = new Date()
 	const msUntilReset = resetDate.getTime() - now.getTime()