diff --git a/src/chat-swarm-runtime.test.ts b/src/chat-swarm-runtime.test.ts
index 7c275535..6fc963e8 100644
--- a/src/chat-swarm-runtime.test.ts
+++ b/src/chat-swarm-runtime.test.ts
@@ -214,7 +214,7 @@ test("CDP prompt delivery uses exact-target Input commands for visible editable
   (driver as any).evaluate = async (_target: unknown, candidate: string) => {
     expressions.push(candidate);
     if (candidate.includes("const editable=")) return { ok: true, kind: "editable" };
-    if (candidate.includes("return {ready:Boolean")) return { ready: true };
+    if (candidate.includes("const button=")) return { ready: true, x: 320, y: 48 };
     return { ok: true };
   };
   (driver as any).pageCommand = async (
@@ -242,21 +242,31 @@ test("CDP prompt delivery uses exact-target Input commands for visible editable
     { method: "Input.dispatchKeyEvent", params: { type: "keyDown", key: "Backspace", code: "Backspace", windowsVirtualKeyCode: 8 } },
     { method: "Input.dispatchKeyEvent", params: { type: "keyUp", key: "Backspace", code: "Backspace", windowsVirtualKeyCode: 8 } },
     { method: "Input.insertText", params: { text: "probe" } },
+    { method: "Input.dispatchMouseEvent", params: { type: "mousePressed", x: 320, y: 48, button: "left", clickCount: 1 } },
+    { method: "Input.dispatchMouseEvent", params: { type: "mouseReleased", x: 320, y: 48, button: "left", clickCount: 1 } },
   ]);
-  assert.match(expressions.at(-1)!, /button\.click\(\)/);
+  assert.doesNotMatch(expressions.join("\n"), /button\.click\(\)/);
+  assert.match(expressions.at(-1)!, /getBoundingClientRect/);
 });
 
 test("CDP prompt delivery keeps textarea fallback on the DOM value/input path", async () => {
   const driver = cdpDriverForSelectorTest();
   const expressions: string[] = [];
-  let pageCommands = 0;
+  const commands: Array<{ method: string; params: Record<string, unknown> }> = [];
   (driver as any).evaluate = async (_target: unknown, candidate: string) => {
     expressions.push(candidate);
     if (candidate.includes("const editable=")) return { ok: true, kind: "textarea" };
-    if (candidate.includes("return {ready:Boolean")) return { ready: true };
+    if (candidate.includes("const button=")) return { ready: true, x: 160, y: 72 };
     return { ok: true };
   };
-  (driver as any).pageCommand = async () => { pageCommands += 1; };
+  (driver as any).pageCommand = async (
+    _target: unknown,
+    method: string,
+    params: Record<string, unknown>,
+  ) => {
+    commands.push({ method, params });
+    return {};
+  };
   await (driver as any).sendPromptToTarget(
     { id: "target-1", url: "https://chatgpt.com/" },
     "probe",
@@ -265,7 +275,11 @@ test("CDP prompt delivery keeps textarea fallback on the DOM value/input path",
   assert.match(expressions[0]!, /HTMLTextAreaElement\.prototype/);
   assert.match(expressions[0]!, /setter\.call\(textarea,prompt\)/);
   assert.match(expressions[0]!, /textarea\.dispatchEvent\(new Event\('input'/);
-  assert.equal(pageCommands, 0);
+  assert.deepEqual(commands, [
+    { method: "Input.dispatchMouseEvent", params: { type: "mousePressed", x: 160, y: 72, button: "left", clickCount: 1 } },
+    { method: "Input.dispatchMouseEvent", params: { type: "mouseReleased", x: 160, y: 72, button: "left", clickCount: 1 } },
+  ]);
+  assert.doesNotMatch(expressions.join("\n"), /button\.click\(\)/);
 });
 
 test("CDP managed conversation waits for the initialization turn to become idle before exposing identity", async () => {
diff --git a/src/chat-swarm-runtime.ts b/src/chat-swarm-runtime.ts
index 3f6652bc..42bf1571 100644
--- a/src/chat-swarm-runtime.ts
+++ b/src/chat-swarm-runtime.ts
@@ -2255,28 +2255,46 @@ export class CdpMacWebDriver implements MacWebDriver {
       await this.pageCommand(target, "Input.insertText", { text: prompt });
     }
 
-    let sendReady = false;
+    let sendPoint: { x: number; y: number } | undefined;
     while (Date.now() < Date.parse(deadlineAt)) {
-      const readiness = await this.evaluate<{ ready: boolean; reason?: string }>(
+      const readiness = await this.evaluate<{
+        ready: boolean;
+        reason?: string;
+        x?: number;
+        y?: number;
+      }>(
         target,
-        `(() => { const expectedUrl=${expectedUrl}; if(expectedUrl && location.href !== expectedUrl) return {ready:false,reason:'CHATGPT_CONVERSATION_IDENTITY_DRIFT'}; const button=document.querySelector('[data-testid="send-button"]') || [...document.querySelectorAll('button')].find(b => /send/i.test((b.getAttribute('aria-label')||b.textContent||''))); return {ready:Boolean(button && !button.disabled)}; })()`,
+        `(() => { const expectedUrl=${expectedUrl}; if(expectedUrl && location.href !== expectedUrl) return {ready:false,reason:'CHATGPT_CONVERSATION_IDENTITY_DRIFT'}; const button=document.querySelector('[data-testid="send-button"]') || [...document.querySelectorAll('button')].find(b => /send/i.test((b.getAttribute('aria-label')||b.textContent||''))); if(!button || button.disabled) return {ready:false}; const rect=button.getBoundingClientRect(); const style=getComputedStyle(button); if(rect.width <= 0 || rect.height <= 0 || style.display === 'none' || style.visibility === 'hidden') return {ready:false}; return {ready:true,x:rect.left + rect.width / 2,y:rect.top + rect.height / 2}; })()`,
       );
       if (readiness?.reason) throw new Error(readiness.reason);
-      if (readiness?.ready) {
-        sendReady = true;
+      if (
+        readiness?.ready &&
+        typeof readiness.x === "number" &&
+        Number.isFinite(readiness.x) &&
+        typeof readiness.y === "number" &&
+        Number.isFinite(readiness.y)
+      ) {
+        sendPoint = { x: readiness.x, y: readiness.y };
         break;
       }
       await new Promise((resolvePromise) => setTimeout(resolvePromise, 50));
     }
-    if (!sendReady) throw new Error("send_button_missing_or_disabled");
+    if (!sendPoint) throw new Error("send_button_missing_or_disabled");
 
-    const sent = await this.evaluate<{ ok: boolean; reason?: string }>(
-      target,
-      `(() => { const expectedUrl=${expectedUrl}; if(expectedUrl && location.href !== expectedUrl) return {ok:false,reason:'CHATGPT_CONVERSATION_IDENTITY_DRIFT'}; const button=document.querySelector('[data-testid="send-button"]') || [...document.querySelectorAll('button')].find(b => /send/i.test((b.getAttribute('aria-label')||b.textContent||''))); if(!button || button.disabled) return {ok:false,reason:'send_button_missing_or_disabled'}; button.click(); return {ok:true}; })()`,
-    );
-    if (!sent?.ok) {
-      throw new Error(sent?.reason ?? "ChatGPT prompt delivery failed");
-    }
+    await this.pageCommand(target, "Input.dispatchMouseEvent", {
+      type: "mousePressed",
+      x: sendPoint.x,
+      y: sendPoint.y,
+      button: "left",
+      clickCount: 1,
+    });
+    await this.pageCommand(target, "Input.dispatchMouseEvent", {
+      type: "mouseReleased",
+      x: sendPoint.x,
+      y: sendPoint.y,
+      button: "left",
+      clickCount: 1,
+    });
     if (Date.now() > Date.parse(deadlineAt)) {
       throw new Error("prompt delivery exceeded deadline");
     }