fix: recognize active generation after prompt send

CHANGELOG.md

@@ -10,6 +10,8 @@
 
 ### Fixed
 
+- Recognize a cleared composer and active ChatGPT Stop control as a submitted
+  prompt when conversation turn selectors miss the new turn.
 - Point installation instructions and package/plugin links at `JJLiebig/ask-pro`.
 - Select ChatGPT’s rolling `Latest` model with `Pro` intelligence.
 - Recognize active tool work as thinking, exclude tool-status panels from answers,

docs/windows-work.md

@@ -73,3 +73,6 @@ Future Windows gotchas belong here.
   literal `Latest` option and keep the reasoning slider on `Pro`. Tool work appears
   inside `[data-streaming-response-status]`; it is progress, not answer content.
   Refreshing the plugin leaves existing immutable session runtimes running.
+- September 23: ChatGPT can clear the composer and start generating before its
+  current conversation turn selector reports a new turn. A visible Stop control
+  confirms submission in that case; a hidden matching element does not.

src/browser/actions/promptComposer.ts

@@ -804,7 +804,8 @@ async function verifyPromptCommitted(
 	    const isVisible = (node) => {
 	      if (!node || typeof node.getBoundingClientRect !== 'function') return false;
 	      const rect = node.getBoundingClientRect();
-	      return rect.width > 0 && rect.height > 0;
+	      const style = window.getComputedStyle(node);
+	      return rect.width > 0 && rect.height > 0 && style.visibility !== 'hidden' && style.display !== 'none';
 	    };
 	    const inputs = inputSelectors
 	      .map((selector) => document.querySelector(selector))
@@ -823,7 +824,7 @@ async function verifyPromptCommitted(
 		        (normalizedPromptPrefix.length > 30 && lastTurn.includes(normalizedPromptPrefix)));
 		    const baseline = ${baselineLiteral};
 		    const hasNewTurn = baseline < 0 ? false : normalizedTurns.length > baseline;
-		    const stopVisible = Boolean(document.querySelector(${stopSelectorLiteral}));
+		    const stopVisible = isVisible(document.querySelector(${stopSelectorLiteral}));
 		    const assistantVisible = Boolean(
 		      document.querySelector(${assistantSelectorLiteral}) ||
 		      document.querySelector('[data-testid*="assistant"]'),
@@ -908,8 +909,7 @@ async function verifyPromptCommitted(
     }
     const fallbackCommit =
       info?.composerCleared &&
-      Boolean(info?.hasNewTurn) &&
-      ((info?.stopVisible ?? false) || info?.assistantVisible || info?.inConversation);
+      (info?.stopVisible || (info?.hasNewTurn && (info?.assistantVisible || info?.inConversation)));
     if (fallbackCommit) {
       return typeof turnsCount === "number" && Number.isFinite(turnsCount) ? turnsCount : null;
     }

tests/browser/promptComposer.test.ts

@@ -1,7 +1,50 @@
+import { runInNewContext } from "node:vm";
 import { describe, expect, test, vi } from "vitest";
 import { __test__ } from "../../src/browser/actions/promptComposer.js";
 
 describe("prompt composer actions", () => {
+  test("accepts an active answer when turn selectors miss the submitted prompt", async () => {
+    const evaluate = vi.fn(async (_: { expression: string }) => ({
+      result: {
+        value: {
+          baseline: 0,
+          turnsCount: 0,
+          hasNewTurn: false,
+          composerCleared: true,
+          stopVisible: true,
+        },
+      },
+    }));
+
+    await expect(
+      __test__.verifyPromptCommitted({ evaluate } as never, "question", 100, undefined, 0),
+    ).resolves.toBe(0);
+    expect(evaluate).toHaveBeenCalledTimes(1);
+    expect(evaluate.mock.calls[0]?.[0]?.expression).toContain("isVisible(document.querySelector");
+  });
+
+  test("does not accept a cleared composer without visible submission evidence", async () => {
+    const evaluate = vi.fn(async ({ expression }: { expression: string }) => ({
+      result: {
+        value: runInNewContext(expression, {
+          document: {
+            querySelector: (selector: string) =>
+              selector.includes("stop-button")
+                ? { getBoundingClientRect: () => ({ width: 20, height: 20 }) }
+                : null,
+            querySelectorAll: () => [],
+          },
+          window: { getComputedStyle: () => ({ visibility: "hidden", display: "block" }) },
+          location: { href: "https://chatgpt.com/c/test" },
+        }),
+      },
+    }));
+
+    await expect(
+      __test__.verifyPromptCommitted({ evaluate } as never, "question", 1, undefined, 0),
+    ).rejects.toThrow("Prompt did not appear in conversation");
+  });
+
   test("arms post-submit guard before defocus and pointer cleanup", async () => {
     const order: string[] = [];
     const evaluate = vi.fn(async () => {