diff --git a/js/app.js b/js/app.js
index b00c490b..74ef9125 100644
--- a/js/app.js
+++ b/js/app.js
@@ -1081,7 +1081,7 @@ class Application {
 
   async _initNostr() {
     // Kick off relay connection in the background.
-    nostrClient.init().catch((err) => {
+    return nostrClient.init().catch((err) => {
       devLogger.warn("[app.init()] Background nostrClient.init failed:", err);
     });
   }
@@ -3992,6 +3992,11 @@ class Application {
     return this._feed.refreshFeed("recent", ...args);
   }
 
+  async refreshFeed(...args) {
+    this._initCoordinators();
+    return this._feed.refreshFeed(...args);
+  }
+
   checkRelayHealthWarning(...args) {
     this._initCoordinators();
     return this._feed.checkRelayHealthWarning(...args);
diff --git a/tests/nostr/dmDecryptWorkerClient.test.mjs b/tests/nostr/dmDecryptWorkerClient.test.mjs
new file mode 100644
index 00000000..178c1fee
--- /dev/null
+++ b/tests/nostr/dmDecryptWorkerClient.test.mjs
@@ -0,0 +1,255 @@
+
+import { describe, it, before, after, beforeEach, afterEach, mock } from 'node:test';
+import assert from 'node:assert';
+
+// Mock Worker globally
+class MockWorker {
+  constructor(scriptURL) {
+    this.scriptURL = scriptURL;
+    this.listeners = {};
+    MockWorker.instances.push(this);
+    // Mimic the real worker path
+    assert.match(String(scriptURL), /dmDecryptWorker\.js$/);
+  }
+
+  addEventListener(event, handler) {
+    if (!this.listeners[event]) {
+      this.listeners[event] = [];
+    }
+    this.listeners[event].push(handler);
+  }
+
+  removeEventListener(event, handler) {
+    if (this.listeners[event]) {
+      this.listeners[event] = this.listeners[event].filter((h) => h !== handler);
+    }
+  }
+
+  postMessage(data) {
+    // Simulate async processing
+    setImmediate(() => {
+        if (MockWorker.onPostMessage) {
+            MockWorker.onPostMessage(this, data);
+        }
+    });
+  }
+
+  // Helper to simulate incoming message from worker
+  emitMessage(data) {
+    if (this.listeners['message']) {
+      const event = { data };
+      this.listeners['message'].forEach((handler) => handler(event));
+    }
+  }
+
+  // Helper to simulate worker error
+  emitError(error) {
+    if (this.listeners['error']) {
+      this.listeners['error'].forEach((handler) => handler(error));
+    }
+  }
+
+  terminate() {}
+}
+
+MockWorker.instances = [];
+MockWorker.onPostMessage = null;
+
+describe('dmDecryptWorkerClient', () => {
+  let originalWorker;
+  let originalConsoleWarn;
+  let originalDevOverride;
+
+  before(() => {
+    originalWorker = globalThis.Worker;
+    originalConsoleWarn = console.warn;
+    originalDevOverride = globalThis.__BITVID_DEV_MODE_OVERRIDE__;
+
+    // Set dev mode to true to ensure logger calls console.warn
+    globalThis.__BITVID_DEV_MODE_OVERRIDE__ = true;
+  });
+
+  after(() => {
+    globalThis.Worker = originalWorker;
+    console.warn = originalConsoleWarn;
+    globalThis.__BITVID_DEV_MODE_OVERRIDE__ = originalDevOverride;
+  });
+
+  let warnMock;
+  let initialCallCount = 0;
+
+  beforeEach(() => {
+    MockWorker.instances = [];
+    MockWorker.onPostMessage = null;
+
+    if (!warnMock) {
+        warnMock = mock.fn();
+        console.warn = warnMock;
+    }
+    initialCallCount = warnMock.mock.calls.length;
+
+    globalThis.Worker = MockWorker;
+  });
+
+  afterEach(() => {
+      // Cleanup is handled by new import per test or global reset
+      // We don't need to manually destroy the module as we import a fresh one
+  });
+
+  // Helper to load a fresh module instance
+  async function loadModule() {
+    // Cache busting to ensure we get a fresh module with reset internal state (workerInstance = null)
+    const mod = await import(`../../js/nostr/dmDecryptWorkerClient.js?t=${Date.now()}-${Math.random()}`);
+    return mod;
+  }
+
+  it('should support worker environment', async () => {
+    const { isDmDecryptWorkerSupported } = await loadModule();
+    assert.strictEqual(isDmDecryptWorkerSupported(), true);
+  });
+
+  it('should reject if Worker is unavailable', async () => {
+    globalThis.Worker = undefined;
+    const { decryptDmInWorker } = await loadModule();
+
+    await assert.rejects(
+      decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct' }),
+      { message: 'dm-worker-unavailable' }
+    );
+  });
+
+  it('should reject if inputs are invalid', async () => {
+    const { decryptDmInWorker } = await loadModule();
+
+    await assert.rejects(
+      decryptDmInWorker({ privateKey: '', targetPubkey: 'tp', ciphertext: 'ct' }),
+      { message: 'dm-worker-invalid-input' }
+    );
+
+    await assert.rejects(
+        decryptDmInWorker({ privateKey: 'pk', targetPubkey: '', ciphertext: 'ct' }),
+        { message: 'dm-worker-invalid-input' }
+    );
+
+    await assert.rejects(
+        decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: '' }),
+        { message: 'dm-worker-invalid-input' }
+    );
+  });
+
+  it('should successfully decrypt message', async () => {
+    const { decryptDmInWorker, getDmDecryptWorkerQueueSize } = await loadModule();
+
+    MockWorker.onPostMessage = (worker, data) => {
+      assert.strictEqual(data.privateKey, 'pk');
+      assert.strictEqual(data.ciphertext, 'ct');
+      assert.strictEqual(data.targetPubkey, 'tp');
+
+      worker.emitMessage({
+        id: data.id,
+        ok: true,
+        plaintext: 'decrypted-text'
+      });
+    };
+
+    const promise = decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct' });
+    assert.strictEqual(getDmDecryptWorkerQueueSize(), 1);
+
+    const result = await promise;
+    assert.strictEqual(result, 'decrypted-text');
+    assert.strictEqual(getDmDecryptWorkerQueueSize(), 0);
+  });
+
+  it('should handle worker error response', async () => {
+    const { decryptDmInWorker } = await loadModule();
+
+    MockWorker.onPostMessage = (worker, data) => {
+      worker.emitMessage({
+        id: data.id,
+        error: { message: 'decryption-failed', name: 'DecryptError' }
+      });
+    };
+
+    await assert.rejects(
+      decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct' }),
+      (err) => {
+        assert.strictEqual(err.message, 'decryption-failed');
+        assert.strictEqual(err.name, 'DecryptError');
+        return true;
+      }
+    );
+  });
+
+  it('should handle worker error event', async () => {
+    const { decryptDmInWorker } = await loadModule();
+
+    MockWorker.onPostMessage = (worker, data) => {
+      worker.emitError(new Error('worker-crashed'));
+    };
+
+    await assert.rejects(
+      decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct' }),
+      { message: 'worker-crashed' }
+    );
+
+    // Check that warning was logged
+    const newCalls = warnMock.mock.calls.slice(initialCallCount);
+    assert.strictEqual(newCalls.length, 1);
+    const args = newCalls[0].arguments;
+    assert.match(args[0], /Worker error/);
+  });
+
+  it('should timeout if worker does not respond', async () => {
+    const { decryptDmInWorker } = await loadModule();
+
+    // Use a short timeout for testing
+    const timeoutMs = 100;
+
+    MockWorker.onPostMessage = (worker, data) => {
+      // Do nothing, let it timeout
+    };
+
+    await assert.rejects(
+      decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct', timeoutMs }),
+      { message: 'dm-worker-timeout' }
+    );
+  });
+
+  it('should initialize worker lazily and reuse instance', async () => {
+    const mod = await loadModule();
+
+    // First call creates worker
+    MockWorker.onPostMessage = (worker, data) => worker.emitMessage({id: data.id, ok: true, plaintext: 'p1'});
+    await mod.decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct' });
+
+    assert.strictEqual(MockWorker.instances.length, 1);
+    const firstInstance = MockWorker.instances[0];
+
+    // Second call reuses worker
+    MockWorker.onPostMessage = (worker, data) => worker.emitMessage({id: data.id, ok: true, plaintext: 'p2'});
+    await mod.decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct' });
+
+    assert.strictEqual(MockWorker.instances.length, 1);
+    assert.strictEqual(MockWorker.instances[0], firstInstance);
+  });
+
+  it('should recreate worker if creation fails', async () => {
+      // This is hard to test because ensureWorker catches the error and sets workerInstance to null
+      // but only logs it. It returns null.
+
+      globalThis.Worker = class BrokenWorker {
+          constructor() { throw new Error('Init failed'); }
+      };
+
+      const mod = await loadModule();
+
+      await assert.rejects(
+          mod.decryptDmInWorker({ privateKey: 'pk', targetPubkey: 'tp', ciphertext: 'ct' }),
+          { message: 'dm-worker-unavailable' }
+      );
+
+       const newCalls = warnMock.mock.calls.slice(initialCallCount);
+       assert.strictEqual(newCalls.length, 1);
+       assert.match(newCalls[0].arguments[0], /Failed to create worker/);
+  });
+});
diff --git a/tests/nostr/nip04WorkerClient.test.mjs b/tests/nostr/nip04WorkerClient.test.mjs
new file mode 100644
index 00000000..416236d6
--- /dev/null
+++ b/tests/nostr/nip04WorkerClient.test.mjs
@@ -0,0 +1,260 @@
+import { describe, it, before, beforeEach, afterEach, after, mock } from 'node:test';
+import assert from 'node:assert';
+
+// Set Dev Mode Override to ensure logs are emitted
+globalThis.__BITVID_DEV_MODE_OVERRIDE__ = true;
+
+// Mock Worker globally before importing the service
+class MockWorker {
+  constructor(scriptURL) {
+    this.scriptURL = scriptURL;
+    this.listeners = {};
+    MockWorker.instances.push(this);
+    if (MockWorker.onCreate) {
+        MockWorker.onCreate(this);
+    }
+  }
+
+  addEventListener(event, handler) {
+    if (!this.listeners[event]) {
+      this.listeners[event] = [];
+    }
+    this.listeners[event].push(handler);
+  }
+
+  removeEventListener(event, handler) {
+    if (this.listeners[event]) {
+      this.listeners[event] = this.listeners[event].filter((h) => h !== handler);
+    }
+  }
+
+  postMessage(data) {
+    // Simulate async processing
+    setImmediate(() => {
+        if (MockWorker.onPostMessage) {
+            MockWorker.onPostMessage(this, data);
+        }
+    });
+  }
+
+  // Helper to simulate incoming message from worker
+  emitMessage(data) {
+    if (this.listeners['message']) {
+      const event = { data };
+      this.listeners['message'].forEach((handler) => handler(event));
+    }
+  }
+
+  // Helper to simulate error event
+  emitError(error) {
+    if (this.listeners['error']) {
+      this.listeners['error'].forEach((handler) => handler(error));
+    }
+  }
+}
+
+MockWorker.instances = [];
+MockWorker.onPostMessage = null;
+MockWorker.onCreate = null;
+
+globalThis.Worker = MockWorker;
+
+describe('nip04WorkerClient', () => {
+  let encryptNip04InWorker;
+  let consoleWarnMock;
+  let originalWorker;
+
+  // Helper to load a fresh module instance
+  const loadModule = async () => {
+    // Cache busting to ensure we get a fresh module instance (and thus fresh internal state)
+    const mod = await import(`../../js/nostr/nip04WorkerClient.js?t=${Date.now()}-${Math.random()}`);
+    return mod.encryptNip04InWorker;
+  };
+
+  before(() => {
+    if (console.warn.mock) console.warn.mock.restore();
+    consoleWarnMock = mock.method(console, 'warn', () => {});
+    originalWorker = globalThis.Worker;
+  });
+
+  after(() => {
+    if (consoleWarnMock) consoleWarnMock.mock.restore();
+    globalThis.Worker = originalWorker;
+  });
+
+  beforeEach(() => {
+    MockWorker.instances = [];
+    MockWorker.onPostMessage = null;
+    MockWorker.onCreate = null;
+    globalThis.Worker = MockWorker;
+  });
+
+  it('should encrypt message successfully via worker', async () => {
+    encryptNip04InWorker = await loadModule();
+
+    MockWorker.onPostMessage = (worker, data) => {
+      assert.strictEqual(data.privateKey, 'privKey');
+      assert.strictEqual(data.targetPubkey, 'pubKey');
+      assert.strictEqual(data.plaintext, 'hello');
+
+      worker.emitMessage({
+        id: data.id,
+        ok: true,
+        ciphertext: 'encrypted_data'
+      });
+    };
+
+    const result = await encryptNip04InWorker({
+      privateKey: 'privKey',
+      targetPubkey: 'pubKey',
+      plaintext: 'hello'
+    });
+
+    assert.strictEqual(result, 'encrypted_data');
+  });
+
+  it('should reject when worker returns error', async () => {
+    encryptNip04InWorker = await loadModule();
+
+    MockWorker.onPostMessage = (worker, data) => {
+      worker.emitMessage({
+        id: data.id,
+        ok: false,
+        error: { message: 'encryption failed', name: 'EncryptionError' }
+      });
+    };
+
+    await assert.rejects(
+      async () => {
+        await encryptNip04InWorker({
+          privateKey: 'privKey',
+          targetPubkey: 'pubKey',
+          plaintext: 'hello'
+        });
+      },
+      (err) => {
+        assert.strictEqual(err.message, 'encryption failed');
+        assert.strictEqual(err.name, 'EncryptionError');
+        return true;
+      }
+    );
+  });
+
+  it('should reject when worker emits error event', async () => {
+    encryptNip04InWorker = await loadModule();
+
+    MockWorker.onPostMessage = (worker, data) => {
+      worker.emitError(new Error('Worker crashed'));
+    };
+
+    await assert.rejects(
+      async () => {
+        await encryptNip04InWorker({
+            privateKey: 'privKey',
+            targetPubkey: 'pubKey',
+            plaintext: 'hello'
+        });
+      },
+      (err) => {
+        assert.strictEqual(err.message, 'Worker crashed');
+        return true;
+      }
+    );
+  });
+
+  it('should timeout if worker does not respond', async () => {
+    encryptNip04InWorker = await loadModule();
+
+    MockWorker.onPostMessage = (worker, data) => {
+      // Do nothing, let it timeout
+    };
+
+    await assert.rejects(
+      async () => {
+        await encryptNip04InWorker({
+            privateKey: 'privKey',
+            targetPubkey: 'pubKey',
+            plaintext: 'hello',
+            timeoutMs: 100 // Short timeout
+        });
+      },
+      (err) => {
+        assert.strictEqual(err.message, 'nip04-worker-timeout');
+        return true;
+      }
+    );
+  });
+
+  it('should reject immediately if inputs are missing', async () => {
+    encryptNip04InWorker = await loadModule();
+
+    await assert.rejects(
+      async () => {
+        await encryptNip04InWorker({});
+      },
+      (err) => {
+        assert.strictEqual(err.message, 'nip04-worker-invalid-input');
+        return true;
+      }
+    );
+
+     await assert.rejects(
+      async () => {
+        await encryptNip04InWorker({ privateKey: '', targetPubkey: 'pub' });
+      },
+      (err) => {
+        assert.strictEqual(err.message, 'nip04-worker-invalid-input');
+        return true;
+      }
+    );
+  });
+
+  it('should reject if Worker API is unavailable', async () => {
+    globalThis.Worker = undefined;
+    encryptNip04InWorker = await loadModule();
+
+    await assert.rejects(
+      async () => {
+        await encryptNip04InWorker({
+            privateKey: 'privKey',
+            targetPubkey: 'pubKey',
+            plaintext: 'hello'
+        });
+      },
+      (err) => {
+        assert.strictEqual(err.message, 'nip04-worker-unavailable');
+        return true;
+      }
+    );
+  });
+
+  it('should handle worker creation failure', async () => {
+      // Mock Worker to throw on instantiation
+      globalThis.Worker = class ThrowingWorker {
+          constructor() {
+              throw new Error('Worker creation not allowed');
+          }
+      };
+
+      encryptNip04InWorker = await loadModule();
+
+      await assert.rejects(
+          async () => {
+              await encryptNip04InWorker({
+                  privateKey: 'privKey',
+                  targetPubkey: 'pubKey',
+                  plaintext: 'hello'
+              });
+          },
+          (err) => {
+              assert.strictEqual(err.message, 'nip04-worker-unavailable');
+              return true;
+          }
+      );
+
+      // Verify warning was logged
+      const calls = consoleWarnMock.mock.calls;
+      const warning = calls.find(c => c.arguments[0] && String(c.arguments[0]).includes('Failed to create worker'));
+      assert.ok(warning, 'Should log warning about worker creation failure');
+  });
+});
diff --git a/verify-app.mjs b/verify-app.mjs
new file mode 100644
index 00000000..e5d4e933
--- /dev/null
+++ b/verify-app.mjs
@@ -0,0 +1,2 @@
+import "./js/app.js";
+console.log("Syntax check passed");
diff --git a/verify-syntax-test.mjs b/verify-syntax-test.mjs
new file mode 100644
index 00000000..00f12437
--- /dev/null
+++ b/verify-syntax-test.mjs
@@ -0,0 +1,2 @@
+import "./tests/app/channel-profile-moderation.test.mjs";
+console.log("Syntax check passed");