feat: asa.news RSS reader with developer tier, REST API, and webhooks

Full-stack RSS reader SaaS: Supabase + Next.js + Go worker.
Includes three subscription tiers (free/pro/developer), API key auth,
read-only REST API, webhook push notifications, Stripe billing with
proration, and PWA support.

1 files changed, 66 insertions, 0 deletions

diff --git a/apps/web/lib/stores/notification-store.ts b/apps/web/lib/stores/notification-store.ts
new file mode 100644
index 0000000..d7eee57
--- /dev/null
+++ b/apps/web/lib/stores/notification-store.ts
@@ -0,0 +1,66 @@
+import { create } from "zustand"
+import { persist } from "zustand/middleware"
+
+const MAXIMUM_NOTIFICATIONS = 50
+
+export interface StoredNotification {
+  identifier: string
+  message: string
+  timestamp: string
+  type: "info" | "success" | "error"
+  actionUrl?: string
+}
+
+interface NotificationState {
+  notifications: StoredNotification[]
+  lastViewedAt: string | null
+
+  addNotification: (
+    message: string,
+    type?: "info" | "success" | "error",
+    actionUrl?: string
+  ) => void
+  dismissNotification: (identifier: string) => void
+  clearAllNotifications: () => void
+  markAllAsViewed: () => void
+}
+
+export const useNotificationStore = create<NotificationState>()(
+  persist(
+    (set) => ({
+      notifications: [],
+      lastViewedAt: null,
+
+      addNotification: (message, type = "info", actionUrl) =>
+        set((state) => {
+          const newNotification: StoredNotification = {
+            identifier: crypto.randomUUID(),
+            message,
+            timestamp: new Date().toISOString(),
+            type,
+            ...(actionUrl ? { actionUrl } : {}),
+          }
+          const updated = [newNotification, ...state.notifications].slice(
+            0,
+            MAXIMUM_NOTIFICATIONS
+          )
+          return { notifications: updated }
+        }),
+
+      dismissNotification: (identifier) =>
+        set((state) => ({
+          notifications: state.notifications.filter(
+            (notification) => notification.identifier !== identifier
+          ),
+        })),
+
+      clearAllNotifications: () => set({ notifications: [] }),
+
+      markAllAsViewed: () =>
+        set({ lastViewedAt: new Date().toISOString() }),
+    }),
+    {
+      name: "asa-news-notifications",
+    }
+  )
+)