refactor: remove relay.nostr.band and update AGGREGATOR_RELAYS

relay.nostr.band is no longer operational, so remove it from the codebase:

AGGREGATOR_RELAYS changes:
- Removed: wss://relay.nostr.band/
- Removed: wss://purplepag.es/
- Added: wss://relay.snort.social/
- Added: wss://relay.damus.io/
- New list: nos.lol, relay.snort.social, relay.primal.net, relay.damus.io

Updated code:
- src/services/loaders.ts: Updated AGGREGATOR_RELAYS constant
- src/lib/chat/adapters/nip-53-adapter.ts: Use AGGREGATOR_RELAYS instead of hardcoded relays

Updated tests:
- All test files updated to expect new relay URLs
- Replaced relay.nostr.band references with relay.snort.social
- Replaced purplepag.es references with relay.snort.social
- Fixed URL formats to include trailing slashes for normalization

All 980 tests passing ✓

src/lib/chat/adapters/nip-53-adapter.ts

@@ -21,6 +21,7 @@ import eventStore from "@/services/event-store";
 import pool from "@/services/relay-pool";
 import { publishEventToRelays } from "@/services/hub";
 import accountManager from "@/services/accounts";
+import { AGGREGATOR_RELAYS } from "@/services/loaders";
 import {
   parseLiveActivity,
   getLiveStatus,
@@ -720,7 +721,7 @@ export class Nip53Adapter extends ChatProtocolAdapter {
     }
 
     // Default fallback relays for live activities
-    return ["wss://relay.damus.io", "wss://nos.lol", "wss://purplepag.es"];
+    return AGGREGATOR_RELAYS;
   }
 
   /**

src/lib/relay-transformer.test.ts

@@ -296,7 +296,7 @@ describe("relayReferences transformer", () => {
         "wss://relay.damus.io",
         "wss://nos.lol",
         "wss://relay.snort.social",
-        "wss://purplepag.es",
+        "wss://relay.primal.net",
         "wss://nostr.wine",
       ];
 

src/lib/zap-relay-selection.test.ts

@@ -11,9 +11,10 @@ vi.mock("@/services/relay-list-cache", () => ({
 // Mock the loaders for AGGREGATOR_RELAYS
 vi.mock("@/services/loaders", () => ({
   AGGREGATOR_RELAYS: [
-    "wss://relay.damus.io",
-    "wss://nos.lol",
-    "wss://relay.nostr.band",
+    "wss://nos.lol/",
+    "wss://relay.snort.social/",
+    "wss://relay.primal.net/",
+    "wss://relay.damus.io/",
   ],
 }));
 
@@ -152,7 +153,7 @@ describe("selectZapRelays", () => {
 
       expect(result.relays.length).toBeGreaterThan(0);
       expect(result.sources.fallback.length).toBeGreaterThan(0);
-      expect(result.relays).toContain("wss://relay.damus.io");
+      expect(result.relays).toContain("wss://relay.damus.io/");
     });
 
     it("should use fallback when recipient has empty relay list", async () => {

src/services/loaders.test.ts

@@ -385,9 +385,9 @@ describe("eventLoader", () => {
 
       // Should only have aggregator relays (normalized with trailing slash)
       expect(relays).toContain("wss://nos.lol/");
-      expect(relays).toContain("wss://nos.lol/");
-      expect(relays).toContain("wss://purplepag.es/");
+      expect(relays).toContain("wss://relay.snort.social/");
       expect(relays).toContain("wss://relay.primal.net/");
+      expect(relays).toContain("wss://relay.damus.io/");
     });
 
     it("should limit cached relays to 3", () => {

src/services/loaders.ts

@@ -53,8 +53,9 @@ function extractRelayContext(event: NostrEvent): {
 // IMPORTANT: URLs must be normalized (trailing slash, lowercase) to match RelayStateManager keys
 export const AGGREGATOR_RELAYS = [
   "wss://nos.lol/",
-  "wss://purplepag.es/",
+  "wss://relay.snort.social/",
   "wss://relay.primal.net/",
+  "wss://relay.damus.io/",
 ];
 
 // Base event loader (used internally)

src/services/relay-selection.test.ts

@@ -76,7 +76,7 @@ describe("selectRelaysForFilter", () => {
       const relayListEvent = createRelayListEvent(testSecretKeys[0], [
         ["r", "wss://relay.damus.io"],
         ["r", "wss://nos.lol"],
-        ["r", "wss://purplepag.es", "read"],
+        ["r", "wss://relay.snort.social", "read"],
       ]);
 
       // Add to event store
@@ -99,7 +99,7 @@ describe("selectRelaysForFilter", () => {
         result.relays.includes("wss://nos.lol/");
       expect(hasWriteRelay).toBe(true);
       // Should NOT include read-only relay
-      expect(result.relays).not.toContain("wss://purplepag.es/");
+      expect(result.relays).not.toContain("wss://relay.snort.social/");
     });
 
     it("should handle multiple authors", async () => {
@@ -141,7 +141,7 @@ describe("selectRelaysForFilter", () => {
       const relayListEvent = createRelayListEvent(testSecretKeys[2], [
         ["r", "wss://relay.damus.io", "write"],
         ["r", "wss://nos.lol", "read"],
-        ["r", "wss://purplepag.es", "read"],
+        ["r", "wss://relay.snort.social", "read"],
       ]);
 
       eventStore.add(relayListEvent);
@@ -160,7 +160,7 @@ describe("selectRelaysForFilter", () => {
       // Should include at least one read relay - selectOptimalRelays may pick subset
       const hasReadRelay =
         result.relays.includes("wss://nos.lol/") ||
-        result.relays.includes("wss://purplepag.es/");
+        result.relays.includes("wss://relay.snort.social/");
       expect(hasReadRelay).toBe(true);
       // Should NOT include write-only relay
       expect(result.relays).not.toContain("wss://relay.damus.io/");