refactor: 收口平台弹窗状态模型

src/components/platform-entry/platformDialogStateModel.ts

@@ -0,0 +1,85 @@
+import type { PlatformErrorDialogPayload } from './PlatformErrorDialog';
+import type { PlatformTaskCompletionDialogPayload } from './PlatformTaskCompletionDialog';
+
+export type PlatformErrorDialogState = PlatformErrorDialogPayload & {
+  key: string;
+};
+
+export type PlatformTaskFailureDialogState = PlatformErrorDialogState & {
+  failedAtMs: number;
+};
+
+export type PlatformTaskCompletionDialogState =
+  PlatformTaskCompletionDialogPayload & {
+    key: string;
+    completedAtMs: number | null;
+  };
+
+export type PlatformDialogCandidate = {
+  key: string;
+  source: string;
+  message: string | null | undefined;
+};
+
+export const PLATFORM_TASK_COMPLETION_MESSAGE =
+  '生成任务已完成，可以继续查看草稿。';
+
+/** 收口平台弹窗候选的纯状态规则，壳层只负责副作用清理。 */
+export function normalizePlatformDialogMessage(
+  message: string | null | undefined,
+) {
+  const normalized = message?.trim();
+  return normalized ? normalized : null;
+}
+
+export function formatPlatformDialogSource(label: string, id?: string | null) {
+  const normalizedId = id?.trim();
+  return normalizedId ? `${label} ${normalizedId}` : label;
+}
+
+export function isBackgroundGenerationStillRunningMessage(message: string) {
+  return /仍在后台处理|后台仍在处理|仍在生成|后台生成/u.test(message);
+}
+
+export function resolvePlatformErrorDialog(
+  candidates: readonly PlatformDialogCandidate[],
+): PlatformErrorDialogState | null {
+  for (const candidate of candidates) {
+    const message = normalizePlatformDialogMessage(candidate.message);
+    if (message) {
+      return {
+        key: candidate.key,
+        source: candidate.source,
+        message,
+      };
+    }
+  }
+
+  return null;
+}
+
+export function buildPlatformErrorDialogDismissKey(
+  error: PlatformErrorDialogState | null,
+) {
+  return error ? `${error.key}:${error.source}:${error.message}` : null;
+}
+
+export function buildPlatformTaskCompletionDialogDismissKey(
+  completion: PlatformTaskCompletionDialogState | null,
+) {
+  return completion
+    ? `${completion.key}:${completion.source}:${completion.message}:${completion.completedAtMs ?? 0}`
+    : null;
+}
+
+export function resolveActivePlatformDialog<TDialog>(
+  currentDialog: TDialog | null,
+  dismissedDialogKey: string | null,
+  buildDismissKey: (dialog: TDialog | null) => string | null,
+): TDialog | null {
+  const currentDialogDismissKey = buildDismissKey(currentDialog);
+  return currentDialogDismissKey &&
+    currentDialogDismissKey === dismissedDialogKey
+    ? null
+    : currentDialog;
+}