fix(consult): treat pinched answers as failed and restore reply actions

Incomplete Flash generations were billed as completed consultations. Fail
those runs, keep the partial text, and reuse the rectification like/copy/rerun
bar on ordinary chat replies.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/tests/rectification-agentic-entry.test.ts

@@ -10,6 +10,10 @@ const chat = readFileSync(
   new URL("../src/components/rectification-agentic-chat.tsx", import.meta.url),
   "utf8",
 );
+const messageActions = readFileSync(
+  new URL("../src/components/chat-message-actions.tsx", import.meta.url),
+  "utf8",
+);
 const route = readFileSync(
   new URL("../src/app/api/rectification/agent/route.ts", import.meta.url),
   "utf8",
@@ -274,8 +278,9 @@ test("rectification activity separates live work from the receipt above the Agen
 
 test("completed Agent replies restore feedback, copy and safe in-place regeneration actions", () => {
   for (const label of ["赞", "踩", "复制回答", "重新生成回答"]) {
-    assert.match(chat, new RegExp(`aria-label="${label}"`));
+    assert.match(messageActions, new RegExp(`aria-label="${label}"`));
   }
+  assert.match(chat, /<ChatMessageActions/);
   assert.match(chat, /toggleRectificationFeedback/);
   assert.match(chat, /navigator\.clipboard\.writeText\(message\.text\)/);
   assert.match(chat, /\/turns\/\$\{encodeURIComponent\(message\.turnId\)\}\/regenerate/);
@@ -287,7 +292,7 @@ test("completed Agent replies restore feedback, copy and safe in-place regenerat
   );
   const receiptIndex = messageRender.indexOf("<CompletedActivityReceipt");
   const replyIndex = messageRender.indexOf("<ChatMessageRow");
-  const actionsIndex = messageRender.indexOf('className="rectification-message-actions"');
+  const actionsIndex = messageRender.indexOf("<ChatMessageActions");
   assert.ok(receiptIndex >= 0 && replyIndex >= 0 && actionsIndex >= 0);
   assert.ok(receiptIndex < replyIndex && replyIndex < actionsIndex);