feat: integrate Sentry for error tracking and enhance user notifications

- Added Sentry integration for error tracking across various components, including error boundaries and user actions.
- Updated global error handling to capture exceptions and provide detailed feedback to users.
- Enhanced user notifications with toast messages for actions such as credit management, image generation, and canvas exports.
- Improved user experience by displaying relevant messages during interactions, ensuring better visibility of system states and errors.

lib/redis.ts

@@ -0,0 +1,29 @@
+import Redis from "ioredis";
+
+function createRedis(): Redis {
+  const url = process.env.REDIS_URL?.trim();
+  if (url) {
+    return new Redis(url, {
+      retryStrategy: (times) => Math.min(times * 100, 3000),
+    });
+  }
+
+  return new Redis({
+    host: process.env.REDIS_HOST ?? "127.0.0.1",
+    port: Number.parseInt(process.env.REDIS_PORT ?? "6379", 10),
+    password: process.env.REDIS_PASSWORD || undefined,
+    retryStrategy: (times) => Math.min(times * 100, 3000),
+  });
+}
+
+const globalForRedis = globalThis as unknown as { redis?: Redis };
+
+export const redis = globalForRedis.redis ?? createRedis();
+
+redis.on("error", (err) => {
+  console.error("[Redis] Connection error:", err);
+});
+
+if (process.env.NODE_ENV !== "production") {
+  globalForRedis.redis = redis;
+}