diff --git a/src/Utils/baileys-logger.ts b/src/Utils/baileys-logger.ts
index ccb49b38..b713296c 100644
--- a/src/Utils/baileys-logger.ts
+++ b/src/Utils/baileys-logger.ts
@@ -331,28 +331,12 @@ export class BaileysLogger implements ILogger {
 			...(typeof sanitizedObj === 'object' && sanitizedObj !== null ? sanitizedObj : { value: sanitizedObj }),
 		}
 
-		// Structured log (using type-safe method call)
-		switch (level) {
-			case 'trace':
-				this.structuredLogger.trace(enrichedObj, msg)
-				break
-			case 'debug':
-				this.structuredLogger.debug(enrichedObj, msg)
-				break
-			case 'info':
-				this.structuredLogger.info(enrichedObj, msg)
-				break
-			case 'warn':
-				this.structuredLogger.warn(enrichedObj, msg)
-				break
-			case 'error':
-				this.structuredLogger.error(enrichedObj, msg)
-				break
-			case 'fatal':
-				this.structuredLogger.fatal(enrichedObj, msg)
-				break
-			default:
-				this.structuredLogger.info(enrichedObj, msg)
+		// Structured log (skip if level is 'silent')
+		if (level !== 'silent') {
+			const logMethod = (this.structuredLogger as unknown as Record<string, ((obj: unknown, msg?: string) => void) | undefined>)[level]
+			if (logMethod) {
+				logMethod.call(this.structuredLogger, enrichedObj, msg)
+			}
 		}
 
 		// Event handler
diff --git a/src/Utils/cache-utils.ts b/src/Utils/cache-utils.ts
index 5746ddc7..205cd28f 100644
--- a/src/Utils/cache-utils.ts
+++ b/src/Utils/cache-utils.ts
@@ -505,7 +505,7 @@ const globalCaches: Map<string, Cache<any>> = new Map()
 
 export function getGlobalCache<V>(namespace: string, options?: CacheOptions<V>): Cache<V> {
 	if (!globalCaches.has(namespace)) {
-		globalCaches.set(namespace, new Cache<V>({ ...options, namespace }))
+		globalCaches.set(namespace, new Cache<V>({ ...options, namespace }) as Cache<V>)
 	}
 	return globalCaches.get(namespace) as Cache<V>
 }
diff --git a/src/Utils/logger-adapter.ts b/src/Utils/logger-adapter.ts
index 48ce0227..8d7d3b4b 100644
--- a/src/Utils/logger-adapter.ts
+++ b/src/Utils/logger-adapter.ts
@@ -120,7 +120,7 @@ export class LoggerAdapter implements ILogger {
 		}
 
 		if (this.config.levelMapping && level in this.config.levelMapping) {
-			return this.config.levelMapping[level] || 'info'
+			return this.config.levelMapping[level] ?? 'info'
 		}
 
 		return (level as LogLevel) || 'info'
@@ -328,8 +328,8 @@ function createLogMethod(
 		if (typeof logger[level] === 'function') {
 			;(logger[level] as (obj: unknown, msg?: string) => void)(obj, msg)
 		} else {
-			// Fallback to console
-			const consoleMethod = (console as unknown as Record<string, (...args: unknown[]) => void>)[level]
+			// Fallback to console methods
+			const consoleMethod = (console as unknown as Record<string, ((...args: unknown[]) => void) | undefined>)[level]
 			if (typeof consoleMethod === 'function') {
 				consoleMethod(obj, msg)
 			}
diff --git a/src/Utils/prometheus-metrics.ts b/src/Utils/prometheus-metrics.ts
index 7e64e5f4..a7a06730 100644
--- a/src/Utils/prometheus-metrics.ts
+++ b/src/Utils/prometheus-metrics.ts
@@ -566,7 +566,7 @@ export class Summary implements BaseMetric {
  * Metrics registry
  */
 export class MetricsRegistry {
-	private metrics: Map<string, Counter | Gauge | Histogram | Summary> = new Map()
+	private metricsMap: Map<string, Counter | Gauge | Histogram | Summary> = new Map()
 	private prefix: string
 	private defaultLabels: Labels
 
@@ -580,7 +580,7 @@ export class MetricsRegistry {
 	 */
 	register<T extends Counter | Gauge | Histogram | Summary>(metric: T): T {
 		const fullName = this.prefix ? `${this.prefix}_${metric.name}` : metric.name
-		this.metrics.set(fullName, metric)
+		this.metricsMap.set(fullName, metric)
 		return metric
 	}
 
@@ -589,7 +589,7 @@ export class MetricsRegistry {
 	 */
 	get(name: string): Counter | Gauge | Histogram | Summary | undefined {
 		const fullName = this.prefix ? `${this.prefix}_${name}` : name
-		return this.metrics.get(fullName)
+		return this.metricsMap.get(fullName)
 	}
 
 	/**
@@ -597,14 +597,14 @@ export class MetricsRegistry {
 	 */
 	remove(name: string): boolean {
 		const fullName = this.prefix ? `${this.prefix}_${name}` : name
-		return this.metrics.delete(fullName)
+		return this.metricsMap.delete(fullName)
 	}
 
 	/**
 	 * Reset all metrics
 	 */
 	resetAll(): void {
-		for (const metric of this.metrics.values()) {
+		for (const metric of this.metricsMap.values()) {
 			metric.reset()
 		}
 	}
@@ -615,7 +615,7 @@ export class MetricsRegistry {
 	async getMetricsOutput(): Promise<string> {
 		const lines: string[] = []
 
-		for (const [name, metric] of this.metrics.entries()) {
+		for (const [name, metric] of this.metricsMap) {
 			lines.push(`# HELP ${name} ${metric.help}`)
 			lines.push(`# TYPE ${name} ${metric.type}`)
 
diff --git a/src/Utils/trace-context.ts b/src/Utils/trace-context.ts
index 2f0e0dbe..9d87d501 100644
--- a/src/Utils/trace-context.ts
+++ b/src/Utils/trace-context.ts
@@ -559,7 +559,9 @@ export function extractTraceHeaders(headers: Record<string, string | undefined>)
 		options.baggage = {}
 		const pairs = baggageHeader.split(',')
 		for (const pair of pairs) {
-			const [key, value] = pair.split('=')
+			const parts = pair.split('=')
+			const key = parts[0]
+			const value = parts[1]
 			if (key && value) {
 				options.baggage[key.trim()] = decodeURIComponent(value.trim())
 			}