Project quality audit (#2758)

* Harden security, health checks, and dependency hygiene

Co-authored-by: Amruth Pillai <im.amruth@gmail.com>

* Finalize health and storage hardening adjustments

Co-authored-by: Amruth Pillai <im.amruth@gmail.com>

* remove use of [REDACTED]

* update dependencies

---------

Co-authored-by: Cursor Agent <cursoragent@cursor.com>

src/utils/logger.ts

@@ -0,0 +1,69 @@
+type LogLevel = "debug" | "info" | "warn" | "error";
+
+type LogContext = Record<string, unknown> & {
+	error?: unknown;
+};
+
+type SerializedError = {
+	name: string;
+	message: string;
+	stack?: string;
+};
+
+function serializeError(error: unknown): SerializedError | undefined {
+	if (!error) return undefined;
+	if (error instanceof Error) {
+		return {
+			name: error.name,
+			message: error.message,
+			stack: error.stack,
+		};
+	}
+	if (typeof error === "string") {
+		return {
+			name: "Error",
+			message: error,
+		};
+	}
+	if (typeof error === "object") {
+		return {
+			name: "Error",
+			message: JSON.stringify(error),
+		};
+	}
+	return {
+		name: "Error",
+		message: String(error),
+	};
+}
+
+function log(level: LogLevel, message: string, context: LogContext = {}) {
+	const { error, ...rest } = context;
+	const payload = {
+		ts: new Date().toISOString(),
+		level,
+		message,
+		...rest,
+		error: serializeError(error),
+	};
+	const json = JSON.stringify(payload);
+
+	if (level === "error") {
+		console.error(json);
+		return;
+	}
+
+	if (level === "warn") {
+		console.warn(json);
+		return;
+	}
+
+	console.log(json);
+}
+
+export const logger = {
+	debug: (message: string, context?: LogContext) => log("debug", message, context),
+	info: (message: string, context?: LogContext) => log("info", message, context),
+	warn: (message: string, context?: LogContext) => log("warn", message, context),
+	error: (message: string, context?: LogContext) => log("error", message, context),
+};