Merge branch 'codex/platform-creation-flow-polish'

# Conflicts:
#	docs/【玩法创作】平台入口与玩法链路-2026-05-15.md
#	src/components/rpg-entry/RpgEntryHomeView.tsx

src/components/platform-entry/PlatformEntryFlowShellImpl.tsx

@@ -743,6 +743,20 @@ function getPlatformRecommendRuntimeKind(
   return 'rpg';
 }
 
+function resolveRecommendEntryShareStage(
+  entry: PlatformPublicGalleryCard,
+): PublishShareModalPayload['stage'] {
+  if (isBigFishGalleryEntry(entry)) {
+    return 'big-fish-runtime';
+  }
+
+  if (isPuzzleGalleryEntry(entry)) {
+    return 'puzzle-gallery-detail';
+  }
+
+  return 'work-detail';
+}
+
 function isRecommendRuntimeReadyForEntry(
   entry: PlatformPublicGalleryCard,
   state: RecommendRuntimeState,
@@ -1920,6 +1934,13 @@ function buildPuzzleCreationUrlState(
   };
 }
 
+function pushPuzzleResultHistoryEntry(
+  session: PuzzleAgentSessionSnapshot | null,
+) {
+  pushAppHistoryPath('/creation/puzzle/result');
+  writeCreationUrlState(buildPuzzleCreationUrlState(session));
+}
+
 function buildPuzzleDraftRuntimeUrlState(
   item: PuzzleWorkSummary,
   levelId?: string | null,
@@ -5205,6 +5226,22 @@ export function PlatformEntryFlowShellImpl({
     [],
   );
 
+  const openRecommendShareModal = useCallback(
+    (entry: PlatformPublicGalleryCard) => {
+      const publicWorkCode = resolvePlatformPublicWorkCode(entry)?.trim();
+      if (!publicWorkCode) {
+        return;
+      }
+
+      openPublishShareModal({
+        title: entry.worldName,
+        publicWorkCode,
+        stage: resolveRecommendEntryShareStage(entry),
+      });
+    },
+    [openPublishShareModal],
+  );
+
   const openRpgPublishShareModal = useCallback(
     async (profile: CustomWorldProfile | null | undefined) => {
       const profileId = profile?.id?.trim();
@@ -6635,6 +6672,7 @@ export function PlatformEntryFlowShellImpl({
             setPuzzleRun(run);
             setPuzzleRuntimeAuthMode('default');
             setPuzzleRuntimeReturnStage('puzzle-result');
+            pushPuzzleResultHistoryEntry(response.session);
             openPuzzleRuntimeStage(
               setSelectionStage,
               buildPuzzleDraftRuntimeUrlState(item, null),
@@ -7000,6 +7038,7 @@ export function PlatformEntryFlowShellImpl({
         setPuzzleRun(run);
         setPuzzleRuntimeAuthMode('default');
         setPuzzleRuntimeReturnStage('puzzle-result');
+        pushPuzzleResultHistoryEntry(latestSession);
         openPuzzleRuntimeStage(
           setSelectionStage,
           buildPuzzleDraftRuntimeUrlState(item, null),
@@ -7992,6 +8031,7 @@ export function PlatformEntryFlowShellImpl({
             setPuzzleRun(run);
             setPuzzleRuntimeAuthMode('default');
             setPuzzleRuntimeReturnStage('puzzle-result');
+            pushPuzzleResultHistoryEntry(response.session);
             openPuzzleRuntimeStage(
               setSelectionStage,
               buildPuzzleDraftRuntimeUrlState(item, null),
@@ -11926,6 +11966,7 @@ export function PlatformEntryFlowShellImpl({
         setPuzzleRun(run);
         setPuzzleRuntimeAuthMode('default');
         setPuzzleRuntimeReturnStage('puzzle-result');
+        pushPuzzleResultHistoryEntry(puzzleSession);
         openPuzzleRuntimeStage(
           setSelectionStage,
           buildPuzzleDraftRuntimeUrlState(item, options.levelId ?? null),
@@ -11940,8 +11981,7 @@ export function PlatformEntryFlowShellImpl({
     },
     [
       isPuzzleBusy,
-      puzzleSession?.publishedProfileId,
-      puzzleSession?.sessionId,
+      puzzleSession,
       resolvePuzzleErrorMessage,
       setIsPuzzleBusy,
       setPuzzleError,
@@ -17789,6 +17829,9 @@ export function PlatformEntryFlowShellImpl({
               onLikeRecommendEntry={(entry) => {
                 likePublicWork(entry);
               }}
+              onShareRecommendEntry={(entry) => {
+                openRecommendShareModal(entry);
+              }}
               onRemixRecommendEntry={(entry) => {
                 remixPublicWork(entry);
               }}
@@ -19702,7 +19745,13 @@ export function PlatformEntryFlowShellImpl({
                 error={puzzleError}
                 hideBackButton={Boolean(puzzleOnboardingDraft)}
                 onBack={() => {
-                  setSelectionStage(puzzleRuntimeReturnStage);
+                  const returnStage = puzzleRuntimeReturnStage;
+                  setSelectionStage(returnStage);
+                  if (returnStage === 'puzzle-result') {
+                    writeCreationUrlState(
+                      buildPuzzleCreationUrlState(puzzleSession),
+                    );
+                  }
                 }}
                 onRemodelWork={
                   selectedPuzzleDetail?.publicationStatus === 'published'