Enable more biome lints and fix things

packages/web-ui/src/agent/agent.ts

@@ -23,6 +23,8 @@ function defaultMessageTransformer(messages: AppMessage[]): Message[] {
 		.map((m) => {
 			if (m.role === "user") {
 				// Strip attachments field (app-specific)
+
+				// biome-ignore lint/correctness/noUnusedVariables: fine here
 				const { attachments, ...rest } = m as any;
 				return rest as Message;
 			}

packages/web-ui/src/components/AttachmentTile.ts

@@ -31,12 +31,6 @@ export class AttachmentTile extends LitElement {
 		const hasPreview = !!this.attachment.preview;
 		const isImage = this.attachment.type === "image";
 		const isPdf = this.attachment.mimeType === "application/pdf";
-		const isDocx =
-			this.attachment.mimeType?.includes("wordprocessingml") ||
-			this.attachment.fileName.toLowerCase().endsWith(".docx");
-		const isPptx =
-			this.attachment.mimeType?.includes("presentationml") ||
-			this.attachment.fileName.toLowerCase().endsWith(".pptx");
 		const isExcel =
 			this.attachment.mimeType?.includes("spreadsheetml") ||
 			this.attachment.fileName.toLowerCase().endsWith(".xlsx") ||
@@ -84,7 +78,7 @@ export class AttachmentTile extends LitElement {
 								<div class="text-[10px] text-center truncate w-full">
 									${
 										this.attachment.fileName.length > 10
-											? this.attachment.fileName.substring(0, 8) + "..."
+											? `${this.attachment.fileName.substring(0, 8)}...`
 											: this.attachment.fileName
 									}
 								</div>

packages/web-ui/src/components/sandbox/ArtifactsRuntimeProvider.ts

@@ -140,7 +140,7 @@ export class ArtifactsRuntimeProvider implements SandboxRuntimeProvider {
 			return;
 		}
 
-		const { action, filename, content, mimeType } = message;
+		const { action, filename, content } = message;
 
 		try {
 			switch (action) {

packages/web-ui/src/components/sandbox/AttachmentsRuntimeProvider.ts

@@ -40,18 +40,18 @@ export class AttachmentsRuntimeProvider implements SandboxRuntimeProvider {
 
 			(window as any).readTextAttachment = (attachmentId: string) => {
 				const a = ((window as any).attachments || []).find((x: any) => x.id === attachmentId);
-				if (!a) throw new Error("Attachment not found: " + attachmentId);
+				if (!a) throw new Error(`Attachment not found: ${attachmentId}`);
 				if (a.extractedText) return a.extractedText;
 				try {
 					return atob(a.content);
 				} catch {
-					throw new Error("Failed to decode text content for: " + attachmentId);
+					throw new Error(`Failed to decode text content for: ${attachmentId}`);
 				}
 			};
 
 			(window as any).readBinaryAttachment = (attachmentId: string) => {
 				const a = ((window as any).attachments || []).find((x: any) => x.id === attachmentId);
-				if (!a) throw new Error("Attachment not found: " + attachmentId);
+				if (!a) throw new Error(`Attachment not found: ${attachmentId}`);
 				const bin = atob(a.content);
 				const bytes = new Uint8Array(bin.length);
 				for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);

packages/web-ui/src/components/sandbox/ConsoleRuntimeProvider.ts

@@ -92,8 +92,7 @@ export class ConsoleRuntimeProvider implements SandboxRuntimeProvider {
 			// Error handlers - track errors but don't log them
 			// (they'll be shown via execution-error message)
 			window.addEventListener("error", (e) => {
-				const text =
-					(e.error?.stack || e.message || String(e)) + " at line " + (e.lineno || "?") + ":" + (e.colno || "?");
+				const text = `${e.error?.stack || e.message || String(e)} at line ${e.lineno || "?"}:${e.colno || "?"}`;
 
 				lastError = {
 					message: e.error?.message || e.message || String(e),
@@ -102,7 +101,7 @@ export class ConsoleRuntimeProvider implements SandboxRuntimeProvider {
 			});
 
 			window.addEventListener("unhandledrejection", (e) => {
-				const text = "Unhandled promise rejection: " + (e.reason?.message || e.reason || "Unknown error");
+				const text = `Unhandled promise rejection: ${e.reason?.message || e.reason || "Unknown error"}`;
 
 				lastError = {
 					message: e.reason?.message || String(e.reason) || "Unhandled promise rejection",

packages/web-ui/src/dialogs/ProvidersModelsTab.ts

@@ -65,7 +65,7 @@ export class ProvidersModelsTab extends SettingsTab {
 			);
 
 			this.providerStatus.set(provider.id, { modelCount: models.length, status: "connected" });
-		} catch (error) {
+		} catch (_error) {
 			this.providerStatus.set(provider.id, { modelCount: 0, status: "disconnected" });
 		}
 		this.requestUpdate();

packages/web-ui/src/storage/backends/indexeddb-storage-backend.ts

@@ -87,7 +87,7 @@ export class IndexedDBStorageBackend implements StorageBackend {
 
 		if (prefix) {
 			// Use IDBKeyRange for efficient prefix filtering
-			const range = IDBKeyRange.bound(prefix, prefix + "\uffff", false, false);
+			const range = IDBKeyRange.bound(prefix, `${prefix}\uffff`, false, false);
 			const keys = await this.promisifyRequest(store.getAllKeys(range));
 			return keys.map((k) => String(k));
 		} else {

packages/web-ui/src/tools/extract-document.ts

@@ -137,7 +137,7 @@ export function createExtractDocumentTool(): AgentTool<typeof extractDocumentSch
 			const urlParts = url.split("/");
 			let fileName = urlParts[urlParts.length - 1]?.split("?")[0] || "document";
 			if (url.startsWith("https://arxiv.org/")) {
-				fileName = fileName + ".pdf";
+				fileName = `${fileName}.pdf`;
 			}
 
 			// Use loadAttachment to process the document

packages/web-ui/src/tools/javascript-repl.ts

@@ -51,7 +51,7 @@ export async function executeJavaScript(
 		// Add console output - result.console contains { type: string, text: string } from sandbox.js
 		if (result.console && result.console.length > 0) {
 			for (const entry of result.console) {
-				output += entry.text + "\n";
+				output += `${entry.text}\n`;
 			}
 		}
 
@@ -230,7 +230,7 @@ export const javascriptReplRenderer: ToolRenderer<JavaScriptReplParams, JavaScri
 				if (isTextBased && f.contentBase64) {
 					try {
 						extractedText = atob(f.contentBase64);
-					} catch (e) {
+					} catch (_e) {
 						console.warn("Failed to decode base64 content for", f.fileName);
 					}
 				}

packages/web-ui/src/utils/attachment-utils.ts

@@ -343,7 +343,7 @@ function extractTextFromElement(element: any): string {
 				}
 			}
 			if (tableTexts.length > 0) {
-				text = "\n[Table]\n" + tableTexts.join("\n") + "\n[/Table]\n";
+				text = `\n[Table]\n${tableTexts.join("\n")}\n[/Table]\n`;
 			}
 		}
 	}
@@ -397,7 +397,7 @@ async function processPptx(arrayBuffer: ArrayBuffer, fileName: string): Promise<
 						.filter((t) => t.trim());
 
 					if (slideTexts.length > 0) {
-						extractedText += "\n" + slideTexts.join("\n");
+						extractedText += `\n${slideTexts.join("\n")}`;
 					}
 					extractedText += "\n</slide>";
 				}

packages/web-ui/src/utils/format.ts

@@ -37,6 +37,6 @@ export function formatUsage(usage: Usage) {
 
 export function formatTokenCount(count: number): string {
 	if (count < 1000) return count.toString();
-	if (count < 10000) return (count / 1000).toFixed(1) + "k";
-	return Math.round(count / 1000) + "k";
+	if (count < 10000) return `${(count / 1000).toFixed(1)}k`;
+	return `${Math.round(count / 1000)}k`;
 }