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/src/components/chat-message-actions.tsx

@@ -0,0 +1,65 @@
+"use client";
+
+import { Check, Copy, RotateCcw, ThumbsDown, ThumbsUp } from "lucide-react";
+
+export type ChatMessageFeedback = "up" | "down";
+
+export function toggleChatMessageFeedback(
+  current: ChatMessageFeedback | undefined,
+  requested: ChatMessageFeedback,
+): ChatMessageFeedback | undefined {
+  return current === requested ? undefined : requested;
+}
+
+export function ChatMessageActions({
+  feedback,
+  copied = false,
+  canRegenerate,
+  onFeedback,
+  onCopy,
+  onRegenerate,
+}: Readonly<{
+  feedback?: ChatMessageFeedback;
+  copied?: boolean;
+  canRegenerate: boolean;
+  onFeedback: (value: ChatMessageFeedback) => void;
+  onCopy: () => void;
+  onRegenerate: () => void;
+}>) {
+  return (
+    <div className="message-actions" aria-label="Agent 回答操作">
+      <button
+        aria-label="赞"
+        aria-pressed={feedback === "up"}
+        className={feedback === "up" ? "is-active" : ""}
+        title="赞"
+        type="button"
+        onClick={() => onFeedback("up")}
+      >
+        <ThumbsUp aria-hidden="true" />
+      </button>
+      <button
+        aria-label="踩"
+        aria-pressed={feedback === "down"}
+        className={feedback === "down" ? "is-active" : ""}
+        title="踩"
+        type="button"
+        onClick={() => onFeedback("down")}
+      >
+        <ThumbsDown aria-hidden="true" />
+      </button>
+      <button aria-label="复制回答" title="复制" type="button" onClick={onCopy}>
+        {copied ? <Check aria-hidden="true" /> : <Copy aria-hidden="true" />}
+      </button>
+      <button
+        aria-label="重新生成回答"
+        disabled={!canRegenerate}
+        title={canRegenerate ? "重新生成" : "只能重新生成最近一条回答"}
+        type="button"
+        onClick={onRegenerate}
+      >
+        <RotateCcw aria-hidden="true" />
+      </button>
+    </div>
+  );
+}

frontend/src/components/rectification-agentic-chat.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { ArrowUp, Check, Copy, RotateCcw, ThumbsDown, ThumbsUp } from "lucide-react";
+import { ArrowUp } from "lucide-react";
 import { useCallback, useEffect, useRef, useState } from "react";
 import { parseAgentReply } from "@/lib/agent-reply";
 import type { ChatMessage, ChatMessageView } from "@/lib/chat-message-view";
@@ -23,6 +23,10 @@ import {
 } from "@/lib/rectification-agentic/v9/public-receipt";
 import type { PublicLanguageModel } from "@/lib/public-models";
 import { ChatMessageRow } from "./chat-message-row";
+import {
+  ChatMessageActions,
+  toggleChatMessageFeedback,
+} from "./chat-message-actions";
 import { CompletedActivityReceipt } from "./completed-activity-receipt";
 import { ModelSelector } from "./model-selector";
 import { Button } from "./ui/button";
@@ -125,7 +129,7 @@ export function toggleRectificationFeedback(
   current: "up" | "down" | undefined,
   requested: "up" | "down",
 ): "up" | "down" | undefined {
-  return current === requested ? undefined : requested;
+  return toggleChatMessageFeedback(current, requested);
 }
 
 function activityPhase(tool: PublicRectificationTool): NonNullable<ChatMessageView["activity"]>["phase"] {
@@ -584,48 +588,17 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
                   />
                 )}
                 {showActions && !regenerating && (
-                  <div className="rectification-message-actions" aria-label="Agent 回答操作">
-                    <button
-                      aria-label="赞"
-                      aria-pressed={feedback[message.renderKey] === "up"}
-                      className={feedback[message.renderKey] === "up" ? "is-active" : ""}
-                      title="赞"
-                      type="button"
-                      onClick={() => setFeedback((current) => ({
-                        ...current,
-                        [message.renderKey]: toggleRectificationFeedback(current[message.renderKey], "up"),
-                      }))}
-                    >
-                      <ThumbsUp aria-hidden="true" />
-                    </button>
-                    <button
-                      aria-label="踩"
-                      aria-pressed={feedback[message.renderKey] === "down"}
-                      className={feedback[message.renderKey] === "down" ? "is-active" : ""}
-                      title="踩"
-                      type="button"
-                      onClick={() => setFeedback((current) => ({
-                        ...current,
-                        [message.renderKey]: toggleRectificationFeedback(current[message.renderKey], "down"),
-                      }))}
-                    >
-                      <ThumbsDown aria-hidden="true" />
-                    </button>
-                    <button aria-label="复制回答" title="复制" type="button" onClick={() => void copyMessage(message)}>
-                      {copiedMessageKey === message.renderKey
-                        ? <Check aria-hidden="true" />
-                        : <Copy aria-hidden="true" />}
-                    </button>
-                    <button
-                      aria-label="重新生成回答"
-                      disabled={!canRegenerate}
-                      title={canRegenerate ? "重新生成" : "只能重新生成最近一条回答"}
-                      type="button"
-                      onClick={() => void regenerateMessage(message)}
-                    >
-                      <RotateCcw aria-hidden="true" />
-                    </button>
-                  </div>
+                  <ChatMessageActions
+                    feedback={feedback[message.renderKey]}
+                    copied={copiedMessageKey === message.renderKey}
+                    canRegenerate={canRegenerate}
+                    onFeedback={(requested) => setFeedback((current) => ({
+                      ...current,
+                      [message.renderKey]: toggleRectificationFeedback(current[message.renderKey], requested),
+                    }))}
+                    onCopy={() => void copyMessage(message)}
+                    onRegenerate={() => void regenerateMessage(message)}
+                  />
                 )}
               </div>
             );