diff --git a/js/ui/profileModal/ProfileDirectMessageController.js b/js/ui/profileModal/ProfileDirectMessageController.js
index 41180786..cf0290da 100644
--- a/js/ui/profileModal/ProfileDirectMessageController.js
+++ b/js/ui/profileModal/ProfileDirectMessageController.js
@@ -623,6 +623,33 @@ export class ProfileDirectMessageController {
     return this.actions.handleSendProfileMessage(...args);
   }
 
+  // DM app-shell callbacks. The renderer wires these on `this.controller`, but the
+  // delegations were missing — so Send / mark-read / settings / toggles all threw
+  // "is not a function" and the app-shell DM UI couldn't send a message.
+  handleDmAppShellSendMessage(...args) {
+    return this.actions.handleDmAppShellSendMessage(...args);
+  }
+
+  handleDmConversationMarkRead(...args) {
+    return this.actions.handleDmConversationMarkRead(...args);
+  }
+
+  handleDmMarkAllConversationsRead(...args) {
+    return this.actions.handleDmMarkAllConversationsRead(...args);
+  }
+
+  handleReadReceiptsToggle(...args) {
+    return this.actions.handleReadReceiptsToggle(...args);
+  }
+
+  handleTypingIndicatorsToggle(...args) {
+    return this.actions.handleTypingIndicatorsToggle(...args);
+  }
+
+  openDmSettingsModal(...args) {
+    return this.actions.openDmSettingsModal(...args);
+  }
+
   handleAttachmentSelection(...args) {
     return this.actions.handleAttachmentSelection(...args);
   }
diff --git a/tests/dm-controller-delegations.test.mjs b/tests/dm-controller-delegations.test.mjs
new file mode 100644
index 00000000..36024463
--- /dev/null
+++ b/tests/dm-controller-delegations.test.mjs
@@ -0,0 +1,51 @@
+// Regression (#19): the DM app-shell renderer wires its callbacks on
+// `this.controller` (the ProfileDirectMessageController), but the controller was
+// missing the delegation methods that forward to `this.actions` — so clicking Send
+// threw "this.controller.handleDmAppShellSendMessage is not a function" and no DM
+// could be sent (same class for mark-read / settings / toggles).
+
+import test from "node:test";
+import assert from "node:assert/strict";
+
+const { ProfileDirectMessageController } = await import(
+  "../js/ui/profileModal/ProfileDirectMessageController.js"
+);
+
+// These are the app-shell callbacks the renderer invokes on the controller; each
+// must exist and forward to the matching method on `this.actions`.
+const DELEGATED = [
+  "handleDmAppShellSendMessage",
+  "handleDmConversationMarkRead",
+  "handleDmMarkAllConversationsRead",
+  "handleReadReceiptsToggle",
+  "handleTypingIndicatorsToggle",
+  "openDmSettingsModal",
+];
+
+test("controller delegates every DM app-shell callback to this.actions", () => {
+  const proto = ProfileDirectMessageController.prototype;
+  for (const name of DELEGATED) {
+    assert.equal(
+      typeof proto[name],
+      "function",
+      `controller.${name} delegation must exist (renderer calls it)`,
+    );
+
+    const received = [];
+    const fakeController = {
+      actions: {
+        [name]: (...args) => {
+          received.push(args);
+          return `ok:${name}`;
+        },
+      },
+    };
+    const result = proto[name].call(fakeController, "arg-a", "arg-b");
+    assert.equal(result, `ok:${name}`, `${name} must return the actions result`);
+    assert.deepEqual(
+      received[0],
+      ["arg-a", "arg-b"],
+      `${name} must forward its arguments to this.actions.${name}`,
+    );
+  }
+});
diff --git a/todo/TODO_2026-06-20_pre-launch.md b/todo/TODO_2026-06-20_pre-launch.md
index 751d910e..2a9df65e 100644
--- a/todo/TODO_2026-06-20_pre-launch.md
+++ b/todo/TODO_2026-06-20_pre-launch.md
@@ -238,15 +238,17 @@ un-hides when WebTorrent flips green). The real gaps:
       popover fallback, so the standalone copy-magnet button was also dead. Now
       dispatches `"video:copy-magnet"`. Covered by the same regression test.
 
-### 19. Direct messages: can read but cannot SEND — deep audit (BUG)
-- [ ] DMs are pulled in and readable, but sending appears to do nothing / fails.
-      Do a focused audit of the send path (compose → encrypt → sign → publish):
-      NIP-17/gift-wrap vs NIP-04 path selection, the signer's encrypt budget /
-      circuit-breaker, which write relays the DM publishes to (and whether any
-      accept), and the optimistic-vs-confirmed UI state. Reuse the
-      `tests/dm-*` suites and add a send→publish→assert-accepted regression. (Note:
-      the NIP-07 signer reliability invariants in AGENTS.md §17 apply — a dead
-      extension worker can make sends hang silently.)
+### 19. Direct messages: can read but cannot SEND — FIXED 2026-06-23
+- [x] **Root cause: missing controller delegations.** Clicking Send threw
+      `this.controller.handleDmAppShellSendMessage is not a function`. The DM
+      app-shell renderer wires its callbacks on `this.controller` (the
+      `ProfileDirectMessageController`), but the controller was missing the
+      delegation methods that forward to `this.actions` — so Send AND mark-read,
+      mark-all-read, read-receipts/typing toggles, and open-settings all threw and
+      did nothing. Added the six delegations. The send path itself (encrypt → sign →
+      publish, NIP-04 default / NIP-17) was fine. Regression test
+      `tests/dm-controller-delegations.test.mjs`. VERIFY live: typing + Send actually
+      delivers a message.
 
 ### 20. Feed / grid loading reliability — some videos missing (BUG)
 Two related intermittent symptoms; likely the same root cause (a one-shot,