修复拼图生成前订阅授权

新增小程序原生订阅消息授权页，在用户点击后请求生成结果通知授权。

拼图 compile_puzzle_draft 前等待授权页返回或跳过后再发起生成 action。

移除 web-view message 订阅授权路径，改用 storage/hash 回写订阅结果。

补充订阅授权测试、文档和团队踩坑记录。

src/components/platform-entry/PlatformEntryFlowShellImpl.tsx

@@ -70,7 +70,6 @@ import type {
   PuzzleAgentSessionSnapshot,
   SendPuzzleAgentMessageRequest,
 } from '../../../packages/shared/src/contracts/puzzleAgentSession';
-import { isPuzzleCompileActionReady } from './puzzleDraftGenerationState';
 import type { PuzzleCreativeTemplateSelection } from '../../../packages/shared/src/contracts/puzzleCreativeTemplate';
 import type {
   PuzzleRunSnapshot,
@@ -224,17 +223,12 @@ import {
   buildSquareHoleGenerationAnchorEntries,
   buildWoodenFishGenerationAnchorEntries,
   createMiniGameDraftGenerationState,
-  resolveMiniGameDraftGenerationStartedAtMs,
   type MiniGameDraftGenerationKind,
   type MiniGameDraftGenerationPhase,
   type MiniGameDraftGenerationState,
+  resolveMiniGameDraftGenerationStartedAtMs,
 } from '../../services/miniGameDraftGenerationProgress';
 import { getPlatformProfileDashboard } from '../../services/platform-entry/platformProfileClient';
-import { UnifiedCreationPage } from '../unified-creation/UnifiedCreationPage';
-import {
-  getUnifiedCreationSpec,
-  type UnifiedCreationPlayId,
-} from '../unified-creation/unifiedCreationSpecs';
 import {
   buildBabyObjectMatchPublicWorkCode,
   buildBarkBattlePublicWorkCode,
@@ -369,6 +363,7 @@ import {
   publishVisualNovelWork,
   updateVisualNovelWork,
 } from '../../services/visual-novel-works';
+import { requestGenerationResultSubscribePermission } from '../../services/wechatMiniProgramSubscribe';
 import {
   woodenFishClient,
   type WoodenFishGalleryCardResponse,
@@ -421,6 +416,11 @@ import { useRpgCreationAgentOperationPolling } from '../rpg-entry/useRpgCreation
 import { useRpgCreationEnterWorld } from '../rpg-entry/useRpgCreationEnterWorld';
 import { useRpgCreationResultAutosave } from '../rpg-entry/useRpgCreationResultAutosave';
 import { useRpgCreationSessionController } from '../rpg-entry/useRpgCreationSessionController';
+import { UnifiedCreationPage } from '../unified-creation/UnifiedCreationPage';
+import {
+  getUnifiedCreationSpec,
+  type UnifiedCreationPlayId,
+} from '../unified-creation/unifiedCreationSpecs';
 import {
   buildVisualNovelEntryGenerationAnchorEntries,
   buildVisualNovelEntryGenerationProgress,
@@ -439,7 +439,6 @@ import {
   EDUTAINMENT_HIDDEN_MESSAGE,
   filterGeneralPublicWorks,
 } from './platformEdutainmentVisibility';
-import { buildPlatformRecommendedEntries } from './platformRecommendation';
 import { PlatformEntryCreationTypeModal } from './PlatformEntryCreationTypeModal';
 import type { PlatformCreationTypeId } from './platformEntryCreationTypes';
 import {
@@ -471,11 +470,13 @@ import {
   type PlatformErrorDialogPayload,
 } from './PlatformErrorDialog';
 import { PlatformFeedbackView } from './PlatformFeedbackView';
+import { buildPlatformRecommendedEntries } from './platformRecommendation';
 import {
   PlatformTaskCompletionDialog,
   type PlatformTaskCompletionDialogPayload,
 } from './PlatformTaskCompletionDialog';
 import { PlatformWorkDetailView } from './PlatformWorkDetailView';
+import { isPuzzleCompileActionReady } from './puzzleDraftGenerationState';
 import { usePlatformCreationAgentFlowController } from './usePlatformCreationAgentFlowController';
 import { usePlatformEntryBootstrap } from './usePlatformEntryBootstrap';
 import { usePlatformEntryLibraryDetail } from './usePlatformEntryLibraryDetail';
@@ -6738,7 +6739,7 @@ export function PlatformEntryFlowShellImpl({
         });
       }
     },
-    beforeExecuteAction: ({ payload, session }) => {
+    beforeExecuteAction: async ({ payload, session }) => {
       const formPayload = buildPuzzleFormPayloadFromAction(payload);
       if (formPayload) {
         setPuzzleFormDraftPayload(formPayload);
@@ -6747,6 +6748,7 @@ export function PlatformEntryFlowShellImpl({
       if (payload.action !== 'compile_puzzle_draft') {
         return;
       }
+      await requestGenerationResultSubscribePermission();
       markDraftGenerating('puzzle', [
         session.sessionId,
         buildPuzzleResultWorkId(session.sessionId),
@@ -7979,6 +7981,7 @@ export function PlatformEntryFlowShellImpl({
 
       try {
         const actionPayload = buildPuzzleCompileActionFromFormPayload(payload);
+        await requestGenerationResultSubscribePermission();
         const response = await executePuzzleAgentAction(
           nextSession.sessionId,
           actionPayload,