refactor: 收口拼图表单草稿判定

src/components/platform-entry/platformMiniGameDraftPayloadModel.ts

@@ -151,6 +151,30 @@ export function buildPuzzleFormPayloadFromSession(
   };
 }
 
+export function isPuzzleFormOnlyDraft(
+  session: PuzzleAgentSessionSnapshot | null,
+) {
+  return Boolean(
+    session?.stage === 'collecting_anchors' && session.draft?.formDraft,
+  );
+}
+
+export function isEmptyPuzzleFormOnlyDraft(
+  session: PuzzleAgentSessionSnapshot | null,
+) {
+  if (!isPuzzleFormOnlyDraft(session)) {
+    return false;
+  }
+
+  const formDraft = session?.draft?.formDraft;
+  return !(
+    session?.seedText?.trim() ||
+    formDraft?.workTitle?.trim() ||
+    formDraft?.workDescription?.trim() ||
+    formDraft?.pictureDescription?.trim()
+  );
+}
+
 export function buildPendingPuzzleDraftMetadata(
   payload: CreatePuzzleAgentSessionRequest | null | undefined,
 ) {