Add tests for canonical hashtag preference kind

tests/hashtag-preferences.test.mjs

@@ -69,6 +69,7 @@ test(
       async list(relays, filters) {
         assert.deepEqual(relays, ["wss://relay.one"]);
         assert.equal(filters.length, 1);
+        assert.deepEqual(filters[0].kinds, [30015, 30005]);
         assert.equal(filters[0]["#d"][0], "bitvid:tag-preferences");
         return [
           {
@@ -244,6 +245,7 @@ test(
     assert.equal(publishedEvents.length, 1);
     const publishedEvent = publishedEvents[0].event;
     assert.deepEqual(publishedEvents[0].urls, ["wss://relay.publish"]);
+    assert.equal(publishedEvent.kind, 30015);
     const encryptedTag = publishedEvent.tags.find(
       (tag) => Array.isArray(tag) && tag[0] === "encrypted",
     );
@@ -318,6 +320,7 @@ test(
     assert.ok(encryptCalls[1].plaintext.includes("windowtag"));
     assert.equal(publishedEvents.length, 1);
     assert.deepEqual(publishedEvents[0].urls, ["wss://relay.window"]);
+    assert.equal(publishedEvents[0].event.kind, 30015);
     const encryptedTag = publishedEvents[0].event.tags.find(
       (tag) => Array.isArray(tag) && tag[0] === "encrypted",
     );
@@ -325,3 +328,86 @@ test(
   },
 );
 
+test(
+  "load prefers canonical kind when timestamps match while accepting legacy payload",
+  { concurrency: false },
+  async () => {
+    const pubkey = "f".repeat(64);
+    const decryptCalls = [];
+
+    setActiveSigner({
+      nip44Decrypt: async (target, ciphertext) => {
+        decryptCalls.push({ target, ciphertext });
+        if (ciphertext === "canonical-cipher") {
+          return JSON.stringify({
+            version: 2,
+            interests: ["NewKind"],
+            disinterests: [],
+          });
+        }
+        if (ciphertext === "legacy-cipher") {
+          return JSON.stringify({
+            version: 1,
+            interests: ["Legacy"],
+            disinterests: [],
+          });
+        }
+        throw new Error(`unexpected ciphertext: ${ciphertext}`);
+      },
+    });
+
+    nostrClient.pool = {
+      async list(relays, filters) {
+        assert.deepEqual(relays, ["wss://relay.tie"]);
+        assert.deepEqual(filters[0].kinds, [30015, 30005]);
+        return [
+          {
+            id: "evt-canonical",
+            kind: 30015,
+            created_at: 500,
+            pubkey,
+            content: "canonical-cipher",
+            tags: [["encrypted", "nip44_v2"]],
+          },
+          {
+            id: "evt-legacy",
+            kind: 30005,
+            created_at: 500,
+            pubkey,
+            content: "legacy-cipher",
+            tags: [["encrypted", "nip44_v2"]],
+          },
+        ];
+      },
+    };
+    nostrClient.relays = ["wss://relay.tie"];
+    nostrClient.writeRelays = ["wss://relay.tie"];
+
+    await hashtagPreferences.load(pubkey);
+
+    assert.deepEqual(decryptCalls.map((call) => call.ciphertext), [
+      "canonical-cipher",
+    ]);
+    assert.deepEqual(hashtagPreferences.getInterests(), ["newkind"]);
+
+    nostrClient.pool.list = async () => [
+      {
+        id: "evt-legacy-only",
+        kind: 30005,
+        created_at: 600,
+        pubkey,
+        content: "legacy-cipher",
+        tags: [["encrypted", "nip44_v2"]],
+      },
+    ];
+
+    await hashtagPreferences.load(pubkey);
+
+    assert.deepEqual(decryptCalls.map((call) => call.ciphertext), [
+      "canonical-cipher",
+      "legacy-cipher",
+    ]);
+    assert.deepEqual(hashtagPreferences.getInterests(), ["legacy"]);
+  },
+);
+