fix(chat): sync paid voice audio unlock flow

src/data/repositories/__tests__/chat_media_cache_helpers.test.ts

@@ -34,7 +34,6 @@ function makeResponse(
 ): ChatSendResponse {
   return ChatSendResponse.from({
     reply: "",
-    audioUrl: "",
     messageId: "msg-1",
     isGuest: false,
     timestamp: 1782356425363,
@@ -92,6 +91,33 @@ describe("chat media cache helpers", () => {
     ).toEqual([]);
   });
 
+  it("does not cache audio from a locked send response", () => {
+    expect(
+      getSendResponseMediaTargets(
+        makeResponse({
+          audioUrl: "https://example.com/locked.mp3",
+          lockDetail: { locked: true, reason: "voice_message" },
+        }),
+      ),
+    ).toEqual([]);
+  });
+
+  it("caches audio from an unlocked send response", () => {
+    expect(
+      getSendResponseMediaTargets(
+        makeResponse({
+          audioUrl: "https://example.com/unlocked.mp3",
+        }),
+      ),
+    ).toEqual([
+      {
+        messageId: "msg-1",
+        kind: "audio",
+        remoteUrl: "https://example.com/unlocked.mp3",
+      },
+    ]);
+  });
+
   it("deduplicates media targets", () => {
     expect(
       uniqueMediaTargets([

src/data/repositories/chat_media_cache_helpers.ts

@@ -42,11 +42,13 @@ export function getSendResponseMediaTargets(
     kind: "image",
     remoteUrl: response.image.url,
   });
-  pushMediaTarget(targets, {
-    messageId: response.messageId,
-    kind: "audio",
-    remoteUrl: response.audioUrl,
-  });
+  if (!response.lockDetail.locked) {
+    pushMediaTarget(targets, {
+      messageId: response.messageId,
+      kind: "audio",
+      remoteUrl: response.audioUrl,
+    });
+  }
   return targets;
 }