feat: user relay management, blog naddr sync, and OG image update

Add UserRelay API and dashboard relays tab with NIP-65 import, store post
naddr for Nostr articles, and ship Prisma migrations for board tables,
user relays, and post metadata.

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

frontend/lib/api.ts

@@ -43,7 +43,15 @@ export const api = {
     request<{ count: number; reactions: any[] }>(`/posts/${slug}/reactions`),
   getPostReplies: (slug: string) =>
     request<{ count: number; replies: any[] }>(`/posts/${slug}/replies`),
-  importPost: (data: { eventId?: string; naddr?: string }) =>
+  importPost: (data: {
+    nostrEventId: string;
+    naddr?: string;
+    title: string;
+    excerpt?: string;
+    authorPubkey: string;
+    publishedAt?: number;
+    tags?: string[];
+  }) =>
     request<any>("/posts/import", { method: "POST", body: JSON.stringify(data) }),
   updatePost: (id: string, data: any) =>
     request<any>(`/posts/${id}`, { method: "PATCH", body: JSON.stringify(data) }),
@@ -116,6 +124,7 @@ export const api = {
     request<void>(`/organizers/${id}`, { method: "DELETE" }),
 
   // Relays
+  getPublicRelays: () => request<{ relays: string[] }>("/relays/public"),
   getRelays: () => request<any[]>("/relays"),
   addRelay: (data: { url: string; priority?: number }) =>
     request<any>("/relays", { method: "POST", body: JSON.stringify(data) }),
@@ -126,6 +135,16 @@ export const api = {
   testRelay: (id: string) =>
     request<{ success: boolean }>(`/relays/${id}/test`, { method: "POST" }),
 
+  // User Relays
+  getUserRelays: () =>
+    request<any[]>("/user-relays"),
+  addUserRelay: (data: { url: string; read?: boolean; write?: boolean }) =>
+    request<any>("/user-relays", { method: "POST", body: JSON.stringify(data) }),
+  removeUserRelay: (id: string) =>
+    request<void>(`/user-relays/${id}`, { method: "DELETE" }),
+  importNip65Relays: () =>
+    request<{ imported: number; total?: number; message?: string }>("/user-relays/import-nip65", { method: "POST" }),
+
   // Settings
   getSettings: () => request<Record<string, string>>("/settings"),
   getPublicSettings: () => request<Record<string, string>>("/settings/public"),