Preserve partial creation replies on stream failure

src/components/square-hole-creation/SquareHoleAgentWorkspace.tsx

@@ -0,0 +1,149 @@
+import type {
+  ExecuteSquareHoleActionRequest,
+  SendSquareHoleMessageRequest,
+  SquareHoleAnchorItemResponse,
+  SquareHoleSessionSnapshot,
+} from '../../../packages/shared/src/contracts/squareHoleAgent';
+import {
+  buildCreationAgentChatMessage,
+  createCreationAgentChatQuickActions,
+  createCreationAgentClientMessageId,
+  resolveCreationAgentQuickActionMessage,
+} from '../../services/creation-agent';
+import {
+  type CreationAgentAnchorView,
+  type CreationAgentSessionView,
+  type CreationAgentTheme,
+  CreationAgentWorkspace,
+} from '../creation-agent';
+
+type SquareHoleAgentWorkspaceProps = {
+  session: SquareHoleSessionSnapshot | null;
+  streamingReplyText?: string;
+  isStreamingReply?: boolean;
+  isBusy?: boolean;
+  error?: string | null;
+  onBack: () => void;
+  onSubmitMessage: (payload: SendSquareHoleMessageRequest) => void;
+  onExecuteAction: (payload: ExecuteSquareHoleActionRequest) => void;
+};
+
+const SQUARE_HOLE_AGENT_THEME: CreationAgentTheme = {
+  accentTextClass: 'text-sky-100/86',
+  accentBgClass: 'bg-cyan-200',
+  accentButtonClass: 'bg-cyan-200 shadow-slate-950/20',
+  userBubbleClass: 'bg-slate-950 text-white',
+  heroClass:
+    'border border-cyan-100/18 bg-[radial-gradient(circle_at_top_left,rgba(125,211,252,0.28),transparent_34%),radial-gradient(circle_at_bottom_right,rgba(248,113,113,0.2),transparent_32%),linear-gradient(135deg,rgba(15,23,42,0.96),rgba(20,83,45,0.92))]',
+  anchorGridClass: 'grid gap-2 sm:grid-cols-4',
+};
+
+const SQUARE_HOLE_QUICK_ACTIONS = [
+  ...createCreationAgentChatQuickActions(),
+  {
+    key: 'square-hole-auto-config',
+    label: '自动配置',
+  },
+];
+
+function mapSquareHoleAnchor(
+  anchor: SquareHoleAnchorItemResponse,
+): CreationAgentAnchorView {
+  return {
+    key: anchor.key,
+    label: anchor.label,
+    value: anchor.value,
+    status: anchor.status,
+  };
+}
+
+function mapSquareHoleSession(
+  session: SquareHoleSessionSnapshot,
+): CreationAgentSessionView {
+  // 中文注释：方洞工作台只展示共创对话和四个创作锚点，正式运行规则由后端运行态快照裁决。
+  const chatMessages = session.messages.filter(
+    (message) =>
+      message.kind === 'chat' ||
+      message.kind === 'summary' ||
+      message.kind === 'warning',
+  );
+
+  return {
+    sessionId: session.sessionId,
+    title: null,
+    assistantSummary: null,
+    currentTurn: session.currentTurn,
+    progressPercent: session.progressPercent,
+    anchors: [
+      session.anchorPack.theme,
+      session.anchorPack.twistRule,
+      session.anchorPack.shapeCount,
+      session.anchorPack.difficulty,
+    ].map(mapSquareHoleAnchor),
+    messages: chatMessages,
+    recommendedReplies: [],
+  };
+}
+
+function buildSquareHoleChatPayload({
+  text,
+  quickFillRequested = false,
+}: {
+  text: string;
+  quickFillRequested?: boolean;
+}) {
+  return buildCreationAgentChatMessage({
+    clientMessageId: createCreationAgentClientMessageId('square-hole'),
+    text,
+    quickFillRequested,
+  });
+}
+
+export function SquareHoleAgentWorkspace({
+  session,
+  streamingReplyText = '',
+  isStreamingReply = false,
+  isBusy = false,
+  error = null,
+  onBack,
+  onSubmitMessage,
+  onExecuteAction,
+}: SquareHoleAgentWorkspaceProps) {
+  return (
+    <CreationAgentWorkspace
+      session={session ? mapSquareHoleSession(session) : null}
+      theme={SQUARE_HOLE_AGENT_THEME}
+      loadingText="正在准备方洞挑战共创工作区..."
+      composerPlaceholder="题材、反差规则、形状数量、难度..."
+      primaryActionLabel="生成结果页"
+      streamingReplyText={streamingReplyText}
+      isStreamingReply={isStreamingReply}
+      isBusy={isBusy}
+      error={error}
+      quickActions={SQUARE_HOLE_QUICK_ACTIONS}
+      onBack={onBack}
+      onSubmitText={(text) => {
+        onSubmitMessage(buildSquareHoleChatPayload({ text }));
+      }}
+      onPrimaryAction={() => {
+        onExecuteAction({ action: 'square_hole_compile_draft' });
+      }}
+      onQuickAction={(action) => {
+        const quickActionMessage =
+          action.key === 'square-hole-auto-config'
+            ? {
+                text: '自动配置',
+                quickFillRequested: true,
+              }
+            : resolveCreationAgentQuickActionMessage(
+                action.key,
+                '请总结一下当前方洞挑战设定。',
+              );
+
+        onSubmitMessage(buildSquareHoleChatPayload(quickActionMessage));
+      }}
+    />
+  );
+}
+
+export default SquareHoleAgentWorkspace;

src/components/square-hole-creation/index.ts

@@ -0,0 +1 @@
+export { SquareHoleAgentWorkspace } from './SquareHoleAgentWorkspace';