diff --git a/index.ts b/index.ts
index e1858c4..2f5caf0 100644
--- a/index.ts
+++ b/index.ts
@@ -4,8 +4,8 @@ import { createNotificationScheduler } from "@/notification-scheduler";
 import { loadConfig, ConfigError } from "@/config/loader";
 import { createResolvedConfig } from "@/config/resolver";
 
-export const SimpleNotificationPlugin: Plugin = async ({ client }) => {
-	const config = await loadConfig().catch(async (error) => {
+export const SimpleNotificationPlugin: Plugin = async ({ client, directory }) => {
+	const config = await loadConfig(directory).catch(async (error) => {
 		const message =
 			error instanceof ConfigError
 				? `Notification plugin config error: ${error.message}`
diff --git a/src/config/loader.ts b/src/config/loader.ts
index d44062d..f8bc83d 100644
--- a/src/config/loader.ts
+++ b/src/config/loader.ts
@@ -95,7 +95,7 @@ export async function discoverConfigFiles(projectRoot?: string): Promise<string[
  *         This ensures the plugin fails fast on misconfiguration rather than
  *         silently using defaults.
  */
-export async function loadConfig(projectRoot?: string): Promise<Config> {
+export async function loadConfig(projectRoot: string): Promise<Config> {
 	const filePaths = await discoverConfigFiles(projectRoot);
 	const configs: Record<string, unknown>[] = [];
 
diff --git a/src/config/resolver.ts b/src/config/resolver.ts
index c909452..cb1a514 100644
--- a/src/config/resolver.ts
+++ b/src/config/resolver.ts
@@ -30,7 +30,7 @@ export function createResolvedConfig(config: Config): ResolvedConfig {
 				? (config[configKey] as EventConfig)
 				: undefined;
 
-			if (eventConfig?.enabled) {
+			if (eventConfig?.enabled !== undefined) {
 				return eventConfig.enabled;
 			}
 
diff --git a/src/notification.ts b/src/notification.ts
index 4bf141c..4568f55 100644
--- a/src/notification.ts
+++ b/src/notification.ts
@@ -10,9 +10,10 @@ const terminalMap: Record<string, { icon: string; appName: string }> = {
 	konsole: { icon: "utilities-terminal", appName: "Konsole" },
 };
 
-function getLinuxTerminalInfo(): { icon: string; appName: string } | null {
-	let cachedTerminal: { icon: string; appName: string } | null | undefined;
+// Cache terminal info at module level to persist across calls
+let cachedTerminal: { icon: string; appName: string } | null | undefined;
 
+function getLinuxTerminalInfo(): { icon: string; appName: string } | null {
 	if (process.platform !== "linux") return null;
 	if (cachedTerminal !== undefined) return cachedTerminal;
 
@@ -24,20 +25,25 @@ function getLinuxTerminalInfo(): { icon: string; appName: string } | null {
 
 	let currentPid = process.pid;
 	for (let i = 0; i < 3 && currentPid > 1; i++) {
-		const status = readFileSync(`/proc/${currentPid}/status`, "utf-8");
-		const ppidMatch = status.match(/PPid:\s*(\d+)/);
-		if (!ppidMatch || !ppidMatch[1]) break;
-		const ppid = parseInt(ppidMatch[1], 10);
-		if (ppid <= 1 || ppid === currentPid) break;
-
-		const comm = readFileSync(`/proc/${ppid}/comm`, "utf-8").trim();
-		const normalized = comm.replace(/-/g, "_");
-		const result = terminalMap[comm] ?? terminalMap[normalized] ?? null;
-		if (result) {
-			cachedTerminal = result;
-			return result;
+		// /proc may be inaccessible in containers or restricted environments (EACCES/ENOENT)
+		try {
+			const status = readFileSync(`/proc/${currentPid}/status`, "utf-8");
+			const ppidMatch = status.match(/PPid:\s*(\d+)/);
+			if (!ppidMatch || !ppidMatch[1]) break;
+			const ppid = parseInt(ppidMatch[1], 10);
+			if (ppid <= 1 || ppid === currentPid) break;
+
+			const comm = readFileSync(`/proc/${ppid}/comm`, "utf-8").trim();
+			const normalized = comm.replace(/-/g, "_");
+			const result = terminalMap[comm] ?? terminalMap[normalized] ?? null;
+			if (result) {
+				cachedTerminal = result;
+				return result;
+			}
+			currentPid = ppid;
+		} catch {
+			break;
 		}
-		currentPid = ppid;
 	}
 
 	cachedTerminal = null;