diff --git a/Assets/Editor/DeveloperMode/TestSaveSystemTests.cs b/Assets/Editor/DeveloperMode/TestSaveSystemTests.cs
index d1ef08196..ebbac4868 100644
--- a/Assets/Editor/DeveloperMode/TestSaveSystemTests.cs
+++ b/Assets/Editor/DeveloperMode/TestSaveSystemTests.cs
@@ -1,5 +1,6 @@
 #if UNITY_EDITOR
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -178,6 +179,98 @@ namespace AibisDream.DeveloperMode.Editor.Tests
             Assert.That(actual, Is.EqualTo(expected));
         }
 
+        [TestCase(new[] { "content" }, NodeSaveTiming.NodeEnter, SaveResumeMode.RestartNode)]
+        [TestCase(new[] { "interaction" }, NodeSaveTiming.DialogueExit, SaveResumeMode.StateOnly)]
+        [TestCase(new[] { "content", "save_on_exit" }, NodeSaveTiming.DialogueExit, SaveResumeMode.StateOnly)]
+        [TestCase(new[] { "event", "save_on_exit" }, NodeSaveTiming.DialogueExit, SaveResumeMode.StateOnly)]
+        [TestCase(new[] { "interaction", "save_on_exit" }, NodeSaveTiming.DialogueExit, SaveResumeMode.StateOnly)]
+        [TestCase(new[] { "interaction", "no_save" }, NodeSaveTiming.None, SaveResumeMode.RestartNode)]
+        [TestCase(new[] { "content", "event" }, NodeSaveTiming.None, SaveResumeMode.RestartNode)]
+        public void ResolveNodePolicy_MapsNodeTypeAndModifiers(
+            string[] tags,
+            NodeSaveTiming expectedTiming,
+            SaveResumeMode expectedResumeMode)
+        {
+            var policy = SavePointEvaluator.ResolveNodePolicy(
+                "Node",
+                tags,
+                out _,
+                logWarnings: false);
+
+            Assert.That(policy.Timing, Is.EqualTo(expectedTiming));
+            Assert.That(policy.ResumeMode, Is.EqualTo(expectedResumeMode));
+        }
+
+        [Test]
+        public void Repository_StateOnlySnapshot_UsesSourceNodeMetadata()
+        {
+            var request = CreateRequest("ChapterA", "ProjectA", "InteractionNode", "SceneA");
+            request.Snapshot.anchor.nodeName = string.Empty;
+            request.SaveTrigger = "DialogueExit";
+            request.ResumeMode = nameof(SaveResumeMode.StateOnly);
+            request.DedupeKey = TestSaveRecorder.BuildDedupeKey(
+                request.SceneSoName,
+                request.YarnProjectId,
+                request.NodeName,
+                request.ResumeMode);
+            request.EntryId = TestSaveRepository.StableHash(request.DedupeKey);
+
+            var entry = _repository.Record(request);
+            var loaded = _repository.TryLoad(entry, out var snapshot, out var error);
+
+            Assert.That(loaded, Is.True, error);
+            Assert.That(entry.NodeName, Is.EqualTo("InteractionNode"));
+            Assert.That(entry.ResumeMode, Is.EqualTo(nameof(SaveResumeMode.StateOnly)));
+            Assert.That(snapshot.anchor.nodeName, Is.Empty);
+        }
+
+        [Test]
+        public void Repository_LegacyMetadata_DefaultsToRestartNode()
+        {
+            var entry = _repository.Record(CreateRequest("ChapterA", "ProjectA", "NodeA", "SceneA"));
+            entry.Meta.saveTrigger = null;
+            entry.Meta.resumeMode = null;
+
+            Assert.That(entry.SaveTrigger, Is.EqualTo("NodeEnter"));
+            Assert.That(entry.ResumeMode, Is.EqualTo(nameof(SaveResumeMode.RestartNode)));
+        }
+
+        [Test]
+        public void SerialTaskQueue_DoesNotDropOrReorderRequests()
+        {
+            var queue = new SerialTaskQueue();
+            var releaseFirst = new TaskCompletionSource<bool>();
+            var firstStarted = new TaskCompletionSource<bool>();
+            var order = new List<int>();
+
+            var first = queue.Enqueue(async () =>
+            {
+                order.Add(1);
+                firstStarted.SetResult(true);
+                await releaseFirst.Task;
+                order.Add(2);
+            });
+            var second = queue.Enqueue(() =>
+            {
+                order.Add(3);
+                return Task.CompletedTask;
+            });
+
+            Assert.That(firstStarted.Task.Wait(TimeSpan.FromSeconds(2)), Is.True);
+            Assert.That(order, Is.EqualTo(new[] { 1 }));
+            Assert.That(queue.PendingCount, Is.EqualTo(2));
+
+            releaseFirst.SetResult(true);
+            Assert.That(
+                Task.WaitAll(
+                    new[] { first.Completion, second.Completion },
+                    TimeSpan.FromSeconds(2)),
+                Is.True);
+
+            Assert.That(first.Sequence, Is.LessThan(second.Sequence));
+            Assert.That(order, Is.EqualTo(new[] { 1, 2, 3 }));
+        }
+
         private static TestSaveRecordRequest CreateRequest(
             string sceneSoName,
             string yarnProject,
@@ -206,6 +299,8 @@ namespace AibisDream.DeveloperMode.Editor.Tests
                 SceneSoName = sceneSoName,
                 YarnProjectId = yarnProject,
                 NodeName = nodeName,
+                SaveTrigger = "NodeEnter",
+                ResumeMode = nameof(SaveResumeMode.RestartNode),
                 SceneName = sceneName,
                 GameVersion = "1.0"
             };
@@ -222,6 +317,8 @@ namespace AibisDream.DeveloperMode.Editor.Tests
                 sceneSoName = request.SceneSoName,
                 yarnProjectId = request.YarnProjectId,
                 nodeName = request.NodeName,
+                saveTrigger = request.SaveTrigger,
+                resumeMode = request.ResumeMode,
                 sceneName = request.SceneName,
                 firstSeenOrder = order,
                 firstRecordedAt = "2026-01-01 00:00:00",
diff --git a/Assets/Scripts/Dialog System/DialogController.cs b/Assets/Scripts/Dialog System/DialogController.cs
index 71ce27eb0..677236b0e 100644
--- a/Assets/Scripts/Dialog System/DialogController.cs	
+++ b/Assets/Scripts/Dialog System/DialogController.cs	
@@ -22,6 +22,8 @@ namespace AibisDream
 
         private string _currentNodeName;
         private string[] _currentNodeTags;
+        private PendingExitCheckpoint _pendingExitCheckpoint;
+        private long _dialogueFlowVersion;
 
         private void Start()
         {
@@ -37,12 +39,7 @@ namespace AibisDream
                 EnumEventSystem.Global.Send(InteractionEventEnum.DialogStart);
             });
 
-            _dialogueRunner.onDialogueComplete.AddListener(() =>
-            {
-                DialogueActivityChanged?.Invoke(false);
-                EnumEventSystem.Global.Send(InteractionEventEnum.DialogEnd);
-                ClearCurrentNodeContext();
-            });
+            _dialogueRunner.onDialogueComplete.AddListener(OnDialogueComplete);
 
             _dialogueRunner.onNodeStart.AddListener(OnNodeStart);
             _dialogueRunner.onNodeComplete.AddListener(OnNodeComplete);
@@ -61,6 +58,8 @@ namespace AibisDream
 
         private void OnDisable()
         {
+            CancelPendingExitCheckpoint("DialogController disabled", logIfPending: false);
+
             SingleCastEventSystem.Global.Unregister(DialogEventEnum.StartNode);
 
             EnumEventSystem.Global.UnRegister(GameLifecycleEvent.SessionStarted, ResetAdvanceMode);
@@ -92,6 +91,7 @@ namespace AibisDream
         /// <param name="yarnProject">Yarn组</param>
         public void StartDialog(YarnProject yarnProject)
         {
+            CancelPendingExitCheckpoint("StartDialog 切换 YarnProject");
             PrepareYarnProjectForDialog(yarnProject);
             _dialogueRunner.SetProject(yarnProject);
             _ = _dialogueRunner.StartDialogue("Start");
@@ -104,6 +104,8 @@ namespace AibisDream
 
         public IEnumerator StopDialogRoutine()
         {
+            CancelPendingExitCheckpoint("StopDialogRoutine", logIfPending: false);
+
             if (_dialogueRunner != null && _dialogueRunner.IsDialogueRunning)
             {
                 yield return _dialogueRunner.Stop();
@@ -122,6 +124,7 @@ namespace AibisDream
 
         public void LoadDialog(YarnProject yarnProject)
         {
+            CancelPendingExitCheckpoint("LoadDialog 切换 YarnProject");
             PrepareYarnProjectForDialog(yarnProject);
             _dialogueRunner.SetProject(yarnProject);
         }
@@ -189,6 +192,10 @@ namespace AibisDream
 
         private void OnNodeStart(string nodeName)
         {
+            _dialogueFlowVersion++;
+            CancelPendingExitCheckpoint(
+                $"节点 {nodeName} 已开始，说明之前的退出保存路径继续运行 Yarn",
+                incrementFlowVersion: false);
             UpdateCurrentNodeContext(nodeName);
 
             var projectId = _dialogueRunner?.YarnProject?.name;
@@ -200,7 +207,12 @@ namespace AibisDream
                 return;
             }
 
-            if (!SavePointEvaluator.OnNodeStartForAutoSave(projectId, nodeName, tags, out var reason))
+            if (!SavePointEvaluator.OnNodeStartForSavePolicy(
+                    projectId,
+                    nodeName,
+                    tags,
+                    out var policy,
+                    out var reason))
             {
                 if (reason == SavePointRejectReason.DetourResume)
                 {
@@ -210,15 +222,86 @@ namespace AibisDream
                 return;
             }
 
-            StartCoroutine(SaveRestoreOrchestrator.AutoSaveRoutine(nodeName));
+            if (policy.Timing == NodeSaveTiming.DialogueExit)
+            {
+                _pendingExitCheckpoint = new PendingExitCheckpoint
+                {
+                    ProjectId = projectId,
+                    NodeName = nodeName,
+                    FlowVersion = _dialogueFlowVersion
+                };
+                return;
+            }
+
+            if (policy.Timing == NodeSaveTiming.NodeEnter)
+            {
+                StartCoroutine(SaveRestoreOrchestrator.AutoSaveRoutine(nodeName));
+            }
         }
 
         private void OnNodeComplete(string nodeName)
         {
             SavePointEvaluator.OnNodeComplete(_dialogueRunner?.YarnProject?.name, nodeName);
+
+            if (_pendingExitCheckpoint != null
+                && string.Equals(_pendingExitCheckpoint.NodeName, nodeName, StringComparison.Ordinal)
+                && string.Equals(
+                    _pendingExitCheckpoint.ProjectId,
+                    _dialogueRunner?.YarnProject?.name,
+                    StringComparison.Ordinal))
+            {
+                _pendingExitCheckpoint.IsNodeComplete = true;
+            }
+
             ClearCurrentNodeContext();
         }
 
+        private void OnDialogueComplete()
+        {
+            DialogueActivityChanged?.Invoke(false);
+            EnumEventSystem.Global.Send(InteractionEventEnum.DialogEnd);
+            ClearCurrentNodeContext();
+
+            var checkpoint = _pendingExitCheckpoint;
+            _pendingExitCheckpoint = null;
+            if (checkpoint?.IsNodeComplete != true)
+            {
+                return;
+            }
+
+            var expectedFlowVersion = checkpoint.FlowVersion;
+            StartCoroutine(SaveRestoreOrchestrator.DialogueExitSaveRoutine(
+                checkpoint.NodeName,
+                checkpoint.ProjectId,
+                () => _dialogueFlowVersion == expectedFlowVersion
+                      && (_dialogueRunner == null || !_dialogueRunner.IsDialogueRunning)));
+        }
+
+        private void CancelPendingExitCheckpoint(
+            string reason,
+            bool logIfPending = true,
+            bool incrementFlowVersion = true)
+        {
+            if (incrementFlowVersion)
+            {
+                _dialogueFlowVersion++;
+            }
+
+            if (_pendingExitCheckpoint == null)
+            {
+                return;
+            }
+
+            if (logIfPending)
+            {
+                Debug.LogWarning(
+                    $"[DialogController] 取消 interaction/save_on_exit 退出存档: " +
+                    $"node={_pendingExitCheckpoint.NodeName}, reason={reason}");
+            }
+
+            _pendingExitCheckpoint = null;
+        }
+
         private void UpdateCurrentNodeContext(string nodeName)
         {
             if (_dialogueRunner == null || _dialogueRunner.Dialogue == null)
@@ -241,6 +324,14 @@ namespace AibisDream
             _currentNodeTags = null;
         }
 
+        private sealed class PendingExitCheckpoint
+        {
+            public string ProjectId;
+            public string NodeName;
+            public long FlowVersion;
+            public bool IsNodeComplete;
+        }
+
         #region 推进方式修改
 
         public BindProperty<AdvanceMode> advanceMode = new(new AdvanceMode());
diff --git a/Assets/Scripts/SaveSystem/Development/TestSaveCoverage.cs b/Assets/Scripts/SaveSystem/Development/TestSaveCoverage.cs
index d795ae4ec..dce66a7a5 100644
--- a/Assets/Scripts/SaveSystem/Development/TestSaveCoverage.cs
+++ b/Assets/Scripts/SaveSystem/Development/TestSaveCoverage.cs
@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using UnityEngine;
 
 namespace AibisDream.SaveSystem
 {
@@ -16,6 +17,7 @@ namespace AibisDream.SaveSystem
     {
         public TestSaveCoverageRowKind Kind { get; internal set; }
         public string NodeName { get; internal set; }
+        public string ResumeMode { get; internal set; }
         public TestSaveEntry Entry { get; internal set; }
         public long SortOrder { get; internal set; }
     }
@@ -49,7 +51,7 @@ namespace AibisDream.SaveSystem
                 var chapter = chapters[chapterIndex];
                 if (chapter == null) continue;
 
-                var expectedNodes = GetExpectedNodes(chapter);
+                var expectedCheckpoints = GetExpectedCheckpoints(chapter);
                 var chapterEntries = entries
                     .Where(item => item.Meta != null
                                    && string.Equals(item.Meta.sceneSoName, chapter.name, StringComparison.Ordinal)
@@ -60,33 +62,37 @@ namespace AibisDream.SaveSystem
                     .ToArray();
                 foreach (var entry in chapterEntries) consumed.Add(entry);
 
-                var validByNode = chapterEntries
+                var validByCheckpoint = chapterEntries
                     .Where(item => item.IsValid)
-                    .GroupBy(item => item.NodeName, StringComparer.Ordinal)
+                    .GroupBy(
+                        item => BuildCheckpointKey(item.NodeName, item.ResumeMode),
+                        StringComparer.Ordinal)
                     .ToDictionary(
                         group => group.Key,
                         group => group.OrderBy(item => item.Meta.firstSeenOrder).First(),
                         StringComparer.Ordinal);
                 var rows = new List<TestSaveCoverageRow>();
-                foreach (var entry in validByNode.Values.OrderBy(item => item.Meta.firstSeenOrder))
+                foreach (var entry in validByCheckpoint.Values.OrderBy(item => item.Meta.firstSeenOrder))
                 {
                     rows.Add(new TestSaveCoverageRow
                     {
                         Kind = TestSaveCoverageRowKind.Recorded,
                         NodeName = entry.NodeName,
+                        ResumeMode = entry.ResumeMode,
                         Entry = entry,
                         SortOrder = entry.Meta.firstSeenOrder
                     });
                 }
 
-                foreach (var nodeName in expectedNodes
-                             .Where(node => !validByNode.ContainsKey(node))
-                             .OrderBy(node => node, StringComparer.OrdinalIgnoreCase))
+                foreach (var expectation in expectedCheckpoints.Values
+                             .Where(item => !validByCheckpoint.ContainsKey(item.Key))
+                             .OrderBy(item => item.NodeName, StringComparer.OrdinalIgnoreCase))
                 {
                     rows.Add(new TestSaveCoverageRow
                     {
                         Kind = TestSaveCoverageRowKind.Missing,
-                        NodeName = nodeName,
+                        NodeName = expectation.NodeName,
+                        ResumeMode = expectation.ResumeMode,
                         SortOrder = long.MaxValue
                     });
                 }
@@ -98,6 +104,7 @@ namespace AibisDream.SaveSystem
                     {
                         Kind = TestSaveCoverageRowKind.Invalid,
                         NodeName = entry.NodeName ?? "(未知节点)",
+                        ResumeMode = entry.ResumeMode,
                         Entry = entry,
                         SortOrder = entry.Meta?.firstSeenOrder ?? long.MaxValue
                     });
@@ -108,8 +115,8 @@ namespace AibisDream.SaveSystem
                     ChapterId = chapter.name,
                     Title = string.IsNullOrWhiteSpace(chapter.title) ? chapter.name : chapter.title,
                     ChapterOrder = chapterIndex,
-                    RecordedCount = validByNode.Keys.Count(expectedNodes.Contains),
-                    ExpectedCount = expectedNodes.Count,
+                    RecordedCount = validByCheckpoint.Keys.Count(expectedCheckpoints.ContainsKey),
+                    ExpectedCount = expectedCheckpoints.Count,
                     Rows = rows
                 });
             }
@@ -131,6 +138,7 @@ namespace AibisDream.SaveSystem
                         {
                             Kind = TestSaveCoverageRowKind.Invalid,
                             NodeName = item.NodeName ?? "(未知节点)",
+                            ResumeMode = item.ResumeMode,
                             Entry = item,
                             SortOrder = item.Meta?.firstSeenOrder ?? long.MaxValue
                         })
@@ -143,7 +151,14 @@ namespace AibisDream.SaveSystem
 
         public static HashSet<string> GetExpectedNodes(TalkSceneSO chapter)
         {
-            var result = new HashSet<string>(StringComparer.Ordinal);
+            return GetExpectedCheckpoints(chapter).Values
+                .Select(item => item.NodeName)
+                .ToHashSet(StringComparer.Ordinal);
+        }
+
+        private static Dictionary<string, ExpectedCheckpoint> GetExpectedCheckpoints(TalkSceneSO chapter)
+        {
+            var result = new Dictionary<string, ExpectedCheckpoint>(StringComparer.Ordinal);
             var project = chapter?.yarnProject;
             if (project?.Program?.Nodes == null) return result;
 
@@ -157,14 +172,65 @@ namespace AibisDream.SaveSystem
                 var tags = string.IsNullOrWhiteSpace(tagsValue)
                     ? Array.Empty<string>()
                     : tagsValue.Split(Array.Empty<char>(), StringSplitOptions.RemoveEmptyEntries);
-                if (SavePointEvaluator.EvaluateNodeTagsForAutoSaveSilently(node.Name, tags, out _))
+                var policy = SavePointEvaluator.ResolveNodePolicy(
+                    node.Name,
+                    tags,
+                    out var reason,
+                    logWarnings: false);
+                if (reason == SavePointRejectReason.InvalidTagConfiguration)
                 {
-                    result.Add(node.Name);
+                    Debug.LogError(
+                        $"[TestSaveCoverage] 节点 {node.Name} 的保存标签配置无效: " +
+                        $"[{string.Join(", ", tags)}]");
                 }
+                else if (tags.Any(tag =>
+                             string.Equals(tag, "interaction", StringComparison.OrdinalIgnoreCase))
+                         && tags.Any(tag =>
+                             string.Equals(tag, "save_on_exit", StringComparison.OrdinalIgnoreCase)))
+                {
+                    Debug.LogWarning(
+                        $"[TestSaveCoverage] 节点 {node.Name} 的 interaction 已包含 save_on_exit 语义，" +
+                        "请移除重复标记。");
+                }
+
+                if (policy.Timing == NodeSaveTiming.None)
+                {
+                    continue;
+                }
+
+                var resumeMode = policy.ResumeMode.ToString();
+                var key = BuildCheckpointKey(node.Name, resumeMode);
+                result[key] = new ExpectedCheckpoint(key, node.Name, resumeMode);
             }
 
             return result;
         }
+
+        private static string BuildCheckpointKey(string nodeName, string resumeMode)
+        {
+            return $"{nodeName ?? string.Empty}\n{NormalizeResumeMode(resumeMode)}";
+        }
+
+        private static string NormalizeResumeMode(string resumeMode)
+        {
+            return string.IsNullOrEmpty(resumeMode)
+                ? nameof(SaveResumeMode.RestartNode)
+                : resumeMode;
+        }
+
+        private readonly struct ExpectedCheckpoint
+        {
+            public readonly string Key;
+            public readonly string NodeName;
+            public readonly string ResumeMode;
+
+            public ExpectedCheckpoint(string key, string nodeName, string resumeMode)
+            {
+                Key = key;
+                NodeName = nodeName;
+                ResumeMode = resumeMode;
+            }
+        }
     }
 }
 #endif
diff --git a/Assets/Scripts/SaveSystem/Development/TestSaveRecorder.cs b/Assets/Scripts/SaveSystem/Development/TestSaveRecorder.cs
index f7bf5f6c2..d7af09084 100644
--- a/Assets/Scripts/SaveSystem/Development/TestSaveRecorder.cs
+++ b/Assets/Scripts/SaveSystem/Development/TestSaveRecorder.cs
@@ -30,24 +30,42 @@ namespace AibisDream.SaveSystem
             IsRecording = recording;
         }
 
-        internal static TestSaveRecordRequest CreateRequest(SaveSnapshot snapshot, byte[] thumbnail)
+        internal static TestSaveRecordRequest CreateRequest(
+            SaveSnapshot snapshot,
+            byte[] thumbnail,
+            string saveTrigger,
+            string resumeMode,
+            string sourceNodeName)
         {
             if (!IsRecording
                 || snapshot?.anchor == null
                 || string.IsNullOrWhiteSpace(snapshot.anchor.sceneSoName)
-                || string.IsNullOrWhiteSpace(snapshot.anchor.yarnProjectId)
-                || string.IsNullOrWhiteSpace(snapshot.anchor.nodeName))
+                || string.IsNullOrWhiteSpace(snapshot.anchor.yarnProjectId))
             {
                 return null;
             }
 
             var anchor = snapshot.anchor;
+            var stateOnly = string.Equals(
+                resumeMode,
+                nameof(SaveResumeMode.StateOnly),
+                StringComparison.Ordinal);
+            var recordNodeName = stateOnly ? sourceNodeName : anchor.nodeName;
+            if (string.IsNullOrWhiteSpace(recordNodeName))
+            {
+                return null;
+            }
+
             var chapter = GameManager.Instance?.RuntimeChapters?
                 .FirstOrDefault(item =>
                     item != null
                     && string.Equals(item.name, anchor.sceneSoName, StringComparison.Ordinal)
                     && string.Equals(item.yarnProject?.name, anchor.yarnProjectId, StringComparison.Ordinal));
-            var dedupeKey = BuildDedupeKey(anchor.sceneSoName, anchor.yarnProjectId, anchor.nodeName);
+            var dedupeKey = BuildDedupeKey(
+                anchor.sceneSoName,
+                anchor.yarnProjectId,
+                recordNodeName,
+                resumeMode);
             return new TestSaveRecordRequest
             {
                 Snapshot = snapshot,
@@ -58,7 +76,9 @@ namespace AibisDream.SaveSystem
                 ChapterTitle = string.IsNullOrWhiteSpace(chapter?.title) ? anchor.sceneSoName : chapter.title,
                 SceneSoName = anchor.sceneSoName,
                 YarnProjectId = anchor.yarnProjectId,
-                NodeName = anchor.nodeName,
+                NodeName = recordNodeName,
+                SaveTrigger = saveTrigger,
+                ResumeMode = resumeMode,
                 SceneName = snapshot.scene?.sceneName,
                 GameVersion = snapshot.gameVersion
             };
@@ -81,9 +101,21 @@ namespace AibisDream.SaveSystem
             });
         }
 
-        public static string BuildDedupeKey(string sceneSoName, string yarnProjectId, string nodeName)
+        public static string BuildDedupeKey(
+            string sceneSoName,
+            string yarnProjectId,
+            string nodeName,
+            string resumeMode = null)
         {
-            return $"{sceneSoName ?? string.Empty}\n{yarnProjectId ?? string.Empty}\n{nodeName ?? string.Empty}";
+            var baseKey =
+                $"{sceneSoName ?? string.Empty}\n{yarnProjectId ?? string.Empty}\n{nodeName ?? string.Empty}";
+            return string.IsNullOrEmpty(resumeMode)
+                   || string.Equals(
+                       resumeMode,
+                       nameof(SaveResumeMode.RestartNode),
+                       StringComparison.Ordinal)
+                ? baseKey
+                : $"{baseKey}\n{resumeMode}";
         }
     }
 }
diff --git a/Assets/Scripts/SaveSystem/Development/TestSaveRepository.cs b/Assets/Scripts/SaveSystem/Development/TestSaveRepository.cs
index b6bfdc6f0..94dd764c8 100644
--- a/Assets/Scripts/SaveSystem/Development/TestSaveRepository.cs
+++ b/Assets/Scripts/SaveSystem/Development/TestSaveRepository.cs
@@ -137,6 +137,8 @@ namespace AibisDream.SaveSystem
                     sceneSoName = request.SceneSoName,
                     yarnProjectId = request.YarnProjectId,
                     nodeName = request.NodeName,
+                    saveTrigger = request.SaveTrigger,
+                    resumeMode = request.ResumeMode,
                     sceneName = request.SceneName,
                     firstSeenOrder = existingMeta?.firstSeenOrder ?? NextFirstSeenOrder(),
                     firstRecordedAt = existingMeta?.firstRecordedAt ?? now,
@@ -215,10 +217,11 @@ namespace AibisDream.SaveSystem
                     return false;
                 }
 
+                var stateOnly = IsStateOnly(entry.Meta?.resumeMode);
                 if (snapshot?.anchor == null
                     || string.IsNullOrWhiteSpace(snapshot.anchor.sceneSoName)
                     || string.IsNullOrWhiteSpace(snapshot.anchor.yarnProjectId)
-                    || string.IsNullOrWhiteSpace(snapshot.anchor.nodeName))
+                    || (!stateOnly && string.IsNullOrWhiteSpace(snapshot.anchor.nodeName)))
                 {
                     error = "快照缺少完整 Yarn anchor。";
                     snapshot = null;
@@ -229,7 +232,12 @@ namespace AibisDream.SaveSystem
                 if (entry.Meta != null
                     && (!string.Equals(snapshot.anchor.sceneSoName, entry.Meta.sceneSoName, StringComparison.Ordinal)
                         || !string.Equals(snapshot.anchor.yarnProjectId, entry.Meta.yarnProjectId, StringComparison.Ordinal)
-                        || !string.Equals(snapshot.anchor.nodeName, entry.Meta.nodeName, StringComparison.Ordinal)))
+                        || (!stateOnly
+                            && !string.Equals(
+                                snapshot.anchor.nodeName,
+                                entry.Meta.nodeName,
+                                StringComparison.Ordinal))
+                        || (stateOnly && !string.IsNullOrEmpty(snapshot.anchor.nodeName))))
                 {
                     error = "快照 anchor 与 meta 不一致。";
                     snapshot = null;
@@ -457,6 +465,14 @@ namespace AibisDream.SaveSystem
             }
         }
 
+        private static bool IsStateOnly(string resumeMode)
+        {
+            return string.Equals(
+                resumeMode,
+                nameof(SaveResumeMode.StateOnly),
+                StringComparison.Ordinal);
+        }
+
         private void RecoverTransactions()
         {
             if (!Directory.Exists(_rootPath))
diff --git a/Assets/Scripts/SaveSystem/Development/TestSaveTypes.cs b/Assets/Scripts/SaveSystem/Development/TestSaveTypes.cs
index 7b9bc449a..c00ecc054 100644
--- a/Assets/Scripts/SaveSystem/Development/TestSaveTypes.cs
+++ b/Assets/Scripts/SaveSystem/Development/TestSaveTypes.cs
@@ -28,6 +28,8 @@ namespace AibisDream.SaveSystem
         public string sceneSoName;
         public string yarnProjectId;
         public string nodeName;
+        public string saveTrigger;
+        public string resumeMode;
         public string sceneName;
         public long firstSeenOrder;
         public string firstRecordedAt;
@@ -52,6 +54,12 @@ namespace AibisDream.SaveSystem
         public string EntryId => Meta?.entryId;
         public string ChapterId => Meta?.chapterId;
         public string NodeName => Meta?.nodeName;
+        public string SaveTrigger => string.IsNullOrEmpty(Meta?.saveTrigger)
+            ? "NodeEnter"
+            : Meta.saveTrigger;
+        public string ResumeMode => string.IsNullOrEmpty(Meta?.resumeMode)
+            ? "RestartNode"
+            : Meta.resumeMode;
     }
 
     public sealed class TestSaveScanResult
@@ -72,6 +80,8 @@ namespace AibisDream.SaveSystem
         public string SceneSoName;
         public string YarnProjectId;
         public string NodeName;
+        public string SaveTrigger;
+        public string ResumeMode;
         public string SceneName;
         public string GameVersion;
     }
diff --git a/Assets/Scripts/SaveSystem/README.md b/Assets/Scripts/SaveSystem/README.md
index c0c7b793d..8c69322ac 100644
--- a/Assets/Scripts/SaveSystem/README.md
+++ b/Assets/Scripts/SaveSystem/README.md
@@ -37,13 +37,22 @@ YarnVariableStorage.Instance.SetValue("$foo", 1f);
 Yarn 脚本：
 
 ```yarn
+// 推荐：有内容的交互入口节点
+tags: interaction
+
+// 或为其他一级类型覆盖保存时机
+tags: content save_on_exit
+
+// 仅兼容旧内容
 <<save>>
 ```
 
+- `interaction` / `save_on_exit` 进入时不存档；对应节点完成后若直接结束本轮 Dialogue，则自动保存 state-only 档。
+- 若执行路径继续 `jump` / `detour` 到其他 Yarn 节点，退出档会取消并记录告警。
 - 放在目标节点**末尾**：所有状态命令（`switch_fix_system_to`、`hide_dialog`、`play_timeline` 等）执行完毕之后，`<<jump>>` / `<<detour>>` 之前。
 - 默认 **omit anchor**（`anchor.nodeName` 为空）；读档时不重进 Yarn，仅还原 scene + sections + 变量。
 - 绕过 tag / `no_save` 的自动判定（`CanExplicitSave`）；仍受读档中、暂停、SuppressAutoSave 门控。
-- 与 `OnNodeStart` 分工：常规 `hub` / `linear` / `content` 仍靠节点进入自动存；`<<save>>` 用于即将进入无对话 / Fix 交互等 `OnNodeStart` 覆盖不到的边界。
+- 与 `OnNodeStart` 分工：常规 `hub` / `linear` / `content` 仍靠节点进入自动存；`interaction` / `save_on_exit` 用于即将进入无对话 / Fix 交互等边界。
 
 ### P3 自动档边界（含 detour 去重）
 
@@ -53,7 +62,7 @@ Yarn 脚本：
 
 1. 全局门控：`IsRestoring` / `IsAutoSaveSuppressed` / `GameManager.pause`
 2. **Fresh vs detour 续跑**：同一 `YarnProject` 下，若节点名已在 `InProgressNodes`（尚未 `onNodeComplete`）→ `DetourResume`，**不自动存**（避免 detour 返回父节点时重复写盘）
-3. 将节点加入 `InProgressNodes`，再走 tag / `no_save` 白黑名单（`hub` / `linear` / `content` 允许；`detour` / `function` 等禁止）
+3. 将节点加入 `InProgressNodes`，再解析 `NodeSavePolicy`：`hub` / `linear` / `content` 进入时保存；`interaction` / `save_on_exit` 在 Dialogue 正常结束时保存 state-only 档；`detour` / `function` 等默认禁止
 
 `OnNodeComplete` 将节点移出 `InProgressNodes`。`StartDialog` / `LoadDialog` 切换 `YarnProject.name` 时、`StopDialog` 时重置集合。读档重进 anchor 走 `OnRestoreEnterNode`（只标记 InProgress，不写盘）。
 
diff --git a/Assets/Scripts/SaveSystem/SavePointEvaluator.cs b/Assets/Scripts/SaveSystem/SavePointEvaluator.cs
index ad92ac6ef..a5ce1df15 100644
--- a/Assets/Scripts/SaveSystem/SavePointEvaluator.cs
+++ b/Assets/Scripts/SaveSystem/SavePointEvaluator.cs
@@ -1,9 +1,44 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using UnityEngine;
 
 namespace AibisDream.SaveSystem
 {
+    public enum NodeSaveTiming
+    {
+        None,
+        NodeEnter,
+        DialogueExit
+    }
+
+    public enum SaveResumeMode
+    {
+        RestartNode,
+        StateOnly
+    }
+
+    public readonly struct NodeSavePolicy
+    {
+        public NodeSaveTiming Timing { get; }
+        public SaveResumeMode ResumeMode { get; }
+
+        public NodeSavePolicy(NodeSaveTiming timing, SaveResumeMode resumeMode)
+        {
+            Timing = timing;
+            ResumeMode = resumeMode;
+        }
+
+        public static NodeSavePolicy None =>
+            new(NodeSaveTiming.None, SaveResumeMode.RestartNode);
+
+        public static NodeSavePolicy Enter =>
+            new(NodeSaveTiming.NodeEnter, SaveResumeMode.RestartNode);
+
+        public static NodeSavePolicy Exit =>
+            new(NodeSaveTiming.DialogueExit, SaveResumeMode.StateOnly);
+    }
+
     /// <summary>
     /// 可存点被拒绝的原因，供日志与 UI 提示使用。
     /// </summary>
@@ -28,6 +63,9 @@ namespace AibisDream.SaveSystem
 
         /// <summary>同一节点仍在执行中（detour 返回续跑），非 Fresh 进入。</summary>
         DetourResume,
+
+        /// <summary>节点类型或保存附加标记互相冲突。</summary>
+        InvalidTagConfiguration,
     }
 
     /// <summary>
@@ -35,8 +73,9 @@ namespace AibisDream.SaveSystem
     /// <para>
     /// 基于 Yarn 节点 tag 判定是否允许自动存档：
     /// - 白名单 tag（hub / linear / content）默认允许；
+    /// - interaction 或 save_on_exit 在 Dialogue 正常结束时保存 state-only 档；
     /// - 黑名单 tag（start / init / function / detour / center / performance / event / end）默认禁止；
-    /// - no_save 附加标记覆盖默认语义，一律禁止；
+    /// - no_save 附加标记覆盖默认语义；与退出保存语义并存时视为配置冲突；
     /// - 无活跃节点、或节点未声明 tag，默认允许并打 warning；
     /// - 未知 tag 默认允许并打 warning。
     /// </para>
@@ -68,6 +107,13 @@ namespace AibisDream.SaveSystem
             "end",         // 维修结束/收尾
         };
 
+        private static readonly HashSet<string> PrimaryNodeTags = new(
+            AutoSaveAllowedTags.Concat(AutoSaveDeniedTags),
+            StringComparer.OrdinalIgnoreCase)
+        {
+            "interaction",
+        };
+
         private static string _activeProjectId;
         private static readonly HashSet<string> InProgressNodes = new(StringComparer.Ordinal);
 
@@ -113,6 +159,27 @@ namespace AibisDream.SaveSystem
             IReadOnlyList<string> tags,
             out SavePointRejectReason reason)
         {
+            var accepted = OnNodeStartForSavePolicy(
+                projectId,
+                nodeName,
+                tags,
+                out var policy,
+                out reason);
+            return accepted && policy.Timing == NodeSaveTiming.NodeEnter;
+        }
+
+        /// <summary>
+        /// OnNodeStart 存档策略判定：Fresh 进入时返回节点的进入/退出保存策略；
+        /// detour 返回续跑或全局门控失败时返回 false。
+        /// </summary>
+        public static bool OnNodeStartForSavePolicy(
+            string projectId,
+            string nodeName,
+            IReadOnlyList<string> tags,
+            out NodeSavePolicy policy,
+            out SavePointRejectReason reason)
+        {
+            policy = NodeSavePolicy.None;
             if (!TryPassGlobalSaveGuards(out reason))
             {
                 return false;
@@ -131,7 +198,8 @@ namespace AibisDream.SaveSystem
                 InProgressNodes.Add(nodeName);
             }
 
-            return EvaluateTagsForAutoSave(nodeName, tags, out reason);
+            policy = ResolveNodePolicy(nodeName, tags, out reason);
+            return policy.Timing != NodeSaveTiming.None;
         }
 
         /// <summary>仅 tag / no_save 判定，不含 InProgress detour 门控（供编辑器模拟）。</summary>
@@ -140,7 +208,8 @@ namespace AibisDream.SaveSystem
             IReadOnlyList<string> tags,
             out SavePointRejectReason reason)
         {
-            return EvaluateTagsForAutoSave(nodeName, tags, out reason, logWarnings: true);
+            return ResolveNodePolicy(nodeName, tags, out reason, logWarnings: true).Timing
+                   == NodeSaveTiming.NodeEnter;
         }
 
 #if UNITY_EDITOR || DEVELOPMENT_BUILD
@@ -150,10 +219,111 @@ namespace AibisDream.SaveSystem
             IReadOnlyList<string> tags,
             out SavePointRejectReason reason)
         {
-            return EvaluateTagsForAutoSave(nodeName, tags, out reason, logWarnings: false);
+            return ResolveNodePolicy(nodeName, tags, out reason, logWarnings: false).Timing
+                   == NodeSaveTiming.NodeEnter;
         }
 #endif
 
+        /// <summary>仅根据节点 tags 解析保存策略，不检查全局门控或 detour 状态。</summary>
+        public static NodeSavePolicy ResolveNodePolicy(
+            string nodeName,
+            IReadOnlyList<string> tags,
+            out SavePointRejectReason reason,
+            bool logWarnings = true)
+        {
+            var hasNoSave = IsTagPresent(tags, "no_save");
+            var hasSaveOnExit = IsTagPresent(tags, "save_on_exit");
+            var primaryTags = FindPrimaryTags(tags);
+            var hasInteraction = primaryTags.Exists(
+                tag => string.Equals(tag, "interaction", StringComparison.OrdinalIgnoreCase));
+
+            if (primaryTags.Count > 1)
+            {
+                if (logWarnings)
+                {
+                    Debug.LogError(
+                        $"[SavePointEvaluator] 节点 {FormatNodeName(nodeName)} 声明了多个一级类型: " +
+                        $"[{string.Join(", ", primaryTags)}]。为避免错误存档，已禁用该节点存档。");
+                }
+
+                reason = SavePointRejectReason.InvalidTagConfiguration;
+                return NodeSavePolicy.None;
+            }
+
+            if (hasNoSave && (hasInteraction || hasSaveOnExit))
+            {
+                if (logWarnings)
+                {
+                    Debug.LogError(
+                        $"[SavePointEvaluator] 节点 {FormatNodeName(nodeName)} 的 no_save 与 " +
+                        $"{(hasInteraction ? "interaction" : "save_on_exit")} 冲突，已禁用该节点存档。");
+                }
+
+                reason = SavePointRejectReason.InvalidTagConfiguration;
+                return NodeSavePolicy.None;
+            }
+
+            if (hasNoSave)
+            {
+                reason = SavePointRejectReason.MarkedNoSave;
+                return NodeSavePolicy.None;
+            }
+
+            if (hasInteraction)
+            {
+                if (hasSaveOnExit && logWarnings)
+                {
+                    Debug.LogWarning(
+                        $"[SavePointEvaluator] 节点 {FormatNodeName(nodeName)} 的 interaction 已包含 " +
+                        "save_on_exit 语义，无需重复标记。");
+                }
+
+                reason = SavePointRejectReason.None;
+                return NodeSavePolicy.Exit;
+            }
+
+            if (hasSaveOnExit)
+            {
+                reason = SavePointRejectReason.None;
+                return NodeSavePolicy.Exit;
+            }
+
+            if (string.IsNullOrEmpty(nodeName) || tags == null || tags.Count == 0)
+            {
+                if (logWarnings && !string.IsNullOrEmpty(nodeName) && (tags == null || tags.Count == 0))
+                {
+                    Debug.LogWarning(
+                        $"[SavePointEvaluator] 节点 {nodeName} 未声明任何 tag，默认允许进入时自动存档。请补全节点类型标签。");
+                }
+
+                reason = SavePointRejectReason.None;
+                return NodeSavePolicy.Enter;
+            }
+
+            var primaryTag = primaryTags.Count == 1 ? primaryTags[0] : null;
+            if (primaryTag == null)
+            {
+                if (logWarnings)
+                {
+                    Debug.LogWarning(
+                        $"[SavePointEvaluator] 节点 {nodeName} 的 tags [{string.Join(", ", tags)}] " +
+                        "未声明保存语义，默认允许进入时自动存档。");
+                }
+
+                reason = SavePointRejectReason.None;
+                return NodeSavePolicy.Enter;
+            }
+
+            if (AutoSaveDeniedTags.Contains(primaryTag))
+            {
+                reason = SavePointRejectReason.DeniedByTag;
+                return NodeSavePolicy.None;
+            }
+
+            reason = SavePointRejectReason.None;
+            return NodeSavePolicy.Enter;
+        }
+
         /// <summary>节点执行完毕，移出 InProgress。</summary>
         public static void OnNodeComplete(string projectId, string nodeName)
         {
@@ -195,7 +365,7 @@ namespace AibisDream.SaveSystem
                 ? DialogController.Instance.GetCurrentNodeContext()
                 : (null, null);
 
-            return EvaluateTagsForAutoSave(nodeName, tags, out reason);
+            return ResolveNodePolicy(nodeName, tags, out reason).Timing == NodeSaveTiming.NodeEnter;
         }
 
         /// <summary>
@@ -251,71 +421,13 @@ namespace AibisDream.SaveSystem
             return true;
         }
 
-        private static bool EvaluateTagsForAutoSave(
-            string nodeName,
-            IReadOnlyList<string> tags,
-            out SavePointRejectReason reason,
-            bool logWarnings = true)
-        {
-            if (tags != null && IsTagPresent(tags, "no_save"))
-            {
-                reason = SavePointRejectReason.MarkedNoSave;
-                return false;
-            }
-
-            if (string.IsNullOrEmpty(nodeName) || tags == null || tags.Count == 0)
-            {
-                if (logWarnings && !string.IsNullOrEmpty(nodeName) && (tags == null || tags.Count == 0))
-                {
-                    Debug.LogWarning(
-                        $"[SavePointEvaluator] 节点 {nodeName} 未声明任何 tag，默认允许自动存档。请补全节点类型标签。");
-                }
-
-                reason = SavePointRejectReason.None;
-                return true;
-            }
-
-            var primaryTag = FindPrimaryTag(tags);
-
-            if (primaryTag == null)
-            {
-                if (logWarnings)
-                {
-                    Debug.LogWarning(
-                        $"[SavePointEvaluator] 节点 {nodeName} 的 tags [{string.Join(", ", tags)}] 未声明保存语义，默认允许自动存档。");
-                }
-                reason = SavePointRejectReason.None;
-                return true;
-            }
-
-            if (AutoSaveDeniedTags.Contains(primaryTag))
-            {
-                reason = SavePointRejectReason.DeniedByTag;
-                return false;
-            }
-
-            if (AutoSaveAllowedTags.Contains(primaryTag))
-            {
-                reason = SavePointRejectReason.None;
-                return true;
-            }
-
-            if (logWarnings)
-            {
-                Debug.LogWarning(
-                    $"[SavePointEvaluator] 节点 {nodeName} 的 tag '{primaryTag}' 未声明保存语义，默认允许自动存档。");
-            }
-            reason = SavePointRejectReason.None;
-            return true;
-        }
-
         private static bool IsTagPresent(IReadOnlyList<string> tags, string tag)
         {
             if (tags == null) return false;
 
             foreach (var t in tags)
             {
-                if (t == tag)
+                if (string.Equals(t, tag, StringComparison.OrdinalIgnoreCase))
                 {
                     return true;
                 }
@@ -324,17 +436,29 @@ namespace AibisDream.SaveSystem
             return false;
         }
 
-        private static string FindPrimaryTag(IReadOnlyList<string> tags)
+        private static List<string> FindPrimaryTags(IReadOnlyList<string> tags)
         {
+            var result = new List<string>();
+            if (tags == null)
+            {
+                return result;
+            }
+
             foreach (var tag in tags)
             {
-                if (AutoSaveAllowedTags.Contains(tag) || AutoSaveDeniedTags.Contains(tag))
+                if (PrimaryNodeTags.Contains(tag)
+                    && !result.Exists(item => string.Equals(item, tag, StringComparison.OrdinalIgnoreCase)))
                 {
-                    return tag;
+                    result.Add(tag);
                 }
             }
 
-            return null;
+            return result;
+        }
+
+        private static string FormatNodeName(string nodeName)
+        {
+            return string.IsNullOrEmpty(nodeName) ? "(无节点)" : nodeName;
         }
     }
 }
diff --git a/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs b/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs
index cfeeb83a8..1e5d16d9e 100644
--- a/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs
+++ b/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs
@@ -8,6 +8,125 @@ using UnityEngine;
 
 namespace AibisDream.SaveSystem
 {
+    internal enum SaveTrigger
+    {
+        NodeEnter,
+        DialogueExit,
+        ExplicitCommand
+    }
+
+    internal readonly struct SaveRequest
+    {
+        public SaveTrigger Trigger { get; }
+        public SaveResumeMode ResumeMode { get; }
+        public string SourceNodeName { get; }
+        public string YarnProjectId { get; }
+
+        public SaveRequest(
+            SaveTrigger trigger,
+            SaveResumeMode resumeMode,
+            string sourceNodeName,
+            string yarnProjectId)
+        {
+            Trigger = trigger;
+            ResumeMode = resumeMode;
+            SourceNodeName = sourceNodeName;
+            YarnProjectId = yarnProjectId;
+        }
+
+        public static SaveRequest NodeEnter(string nodeName, string yarnProjectId)
+        {
+            return new SaveRequest(
+                SaveTrigger.NodeEnter,
+                SaveResumeMode.RestartNode,
+                nodeName,
+                yarnProjectId);
+        }
+
+        public static SaveRequest DialogueExit(string nodeName, string yarnProjectId)
+        {
+            return new SaveRequest(
+                SaveTrigger.DialogueExit,
+                SaveResumeMode.StateOnly,
+                nodeName,
+                yarnProjectId);
+        }
+
+        public static SaveRequest Explicit(string nodeName, string yarnProjectId)
+        {
+            return new SaveRequest(
+                SaveTrigger.ExplicitCommand,
+                SaveResumeMode.StateOnly,
+                nodeName,
+                yarnProjectId);
+        }
+    }
+
+    internal readonly struct SerialTaskQueueEntry
+    {
+        public long Sequence { get; }
+        public Task Completion { get; }
+
+        public SerialTaskQueueEntry(long sequence, Task completion)
+        {
+            Sequence = sequence;
+            Completion = completion;
+        }
+    }
+
+    /// <summary>按请求顺序串行执行异步任务；前一个任务失败不会阻断后续任务。</summary>
+    internal sealed class SerialTaskQueue
+    {
+        private readonly object _gate = new();
+        private Task _tail = Task.CompletedTask;
+        private long _nextSequence;
+        private int _pendingCount;
+
+        public int PendingCount
+        {
+            get
+            {
+                lock (_gate)
+                {
+                    return _pendingCount;
+                }
+            }
+        }
+
+        public SerialTaskQueueEntry Enqueue(Func<Task> operation)
+        {
+            if (operation == null)
+            {
+                throw new ArgumentNullException(nameof(operation));
+            }
+
+            long sequence;
+            Task completion;
+            lock (_gate)
+            {
+                sequence = ++_nextSequence;
+                _pendingCount++;
+                completion = _tail.ContinueWith(
+                        _ => operation(),
+                        TaskScheduler.Default)
+                    .Unwrap();
+                _tail = completion;
+            }
+
+            _ = completion.ContinueWith(
+                _ =>
+                {
+                    lock (_gate)
+                    {
+                        _pendingCount = Math.Max(0, _pendingCount - 1);
+                    }
+                },
+                TaskScheduler.Default);
+
+            return new SerialTaskQueueEntry(sequence, completion);
+        }
+    }
+
     /// <summary>
     /// 存读档流程编排层：连接 UI、<see cref="SnapshotService"/> 与槽位系统。
     /// </summary>
@@ -20,13 +139,24 @@ namespace AibisDream.SaveSystem
         public static bool IsAutoSaveSuppressed => _autoSaveSuppressDepth > 0;
 
         /// <summary>是否正在异步捕获或写入自动档；供只读诊断 UI 使用。</summary>
-        public static bool IsSaving => _isAutoSaving;
+        public static bool IsSaving
+        {
+            get
+            {
+                lock (SaveQueueGate)
+                {
+                    return _activeCaptureCount > 0 || SaveWriteQueue.PendingCount > 0;
+                }
+            }
+        }
 
         public static IReadOnlyList<string> LastRestoreLog => _lastRestoreLog;
 
-        private static bool _isAutoSaving;
         private static int _autoSaveSuppressDepth;
         private static readonly List<string> _lastRestoreLog = new();
+        private static readonly object SaveQueueGate = new();
+        private static readonly SerialTaskQueue SaveWriteQueue = new();
+        private static int _activeCaptureCount;
 
         /// <summary>启动自动存档协程（手动/调试入口）。</summary>
         public static void TryAutoSave()
@@ -44,7 +174,9 @@ namespace AibisDream.SaveSystem
             }
 
             var (triggerNodeName, _) = DialogController.Instance.GetCurrentNodeContext();
-            DialogController.Instance.StartCoroutine(AutoSaveRoutine(triggerNodeName));
+            var projectId = DialogController.Instance.DialogueRunner?.YarnProject?.name;
+            DialogController.Instance.StartCoroutine(
+                SaveRoutine(SaveRequest.NodeEnter(triggerNodeName, projectId)));
         }
 
         /// <summary>自动存档协程：settle 一帧 → 主线程 Capture → 后台序列化写盘（不阻塞主线程）。</summary>
@@ -52,21 +184,57 @@ namespace AibisDream.SaveSystem
         /// <param name="omitAnchor">为 true 时不写入 Yarn 节点 anchor。</param>
         public static IEnumerator AutoSaveRoutine(string triggerNodeName = null, bool omitAnchor = false)
         {
-            if (_isAutoSaving)
-            {
-                Debug.LogWarning("[SaveRestoreOrchestrator] 存档进行中，跳过重复请求。");
-                yield break;
-            }
+            var projectId = DialogController.Instance?.DialogueRunner?.YarnProject?.name;
+            var request = omitAnchor
+                ? SaveRequest.Explicit(triggerNodeName, projectId)
+                : SaveRequest.NodeEnter(triggerNodeName, projectId);
+            yield return SaveRoutine(request);
+        }
 
+        internal static IEnumerator DialogueExitSaveRoutine(
+            string sourceNodeName,
+            string yarnProjectId,
+            Func<bool> isRequestStillValid)
+        {
+            yield return SaveRoutine(
+                SaveRequest.DialogueExit(sourceNodeName, yarnProjectId),
+                isRequestStillValid);
+        }
+
+        private static IEnumerator SaveRoutine(SaveRequest request, Func<bool> isRequestStillValid = null)
+        {
             yield return null;
 
-            if (_isAutoSaving)
+            if (isRequestStillValid?.Invoke() == false)
             {
-                Debug.LogWarning("[SaveRestoreOrchestrator] 存档进行中，跳过重复请求。");
+                Debug.LogWarning(
+                    $"[SaveRestoreOrchestrator] interaction 退出后又启动了 Yarn 节点，取消 state-only 存档: " +
+                    $"node={FormatNodeName(request.SourceNodeName)}");
                 yield break;
             }
 
-            _isAutoSaving = true;
+            if (!SavePointEvaluator.CanExplicitSave(out var guardReason))
+            {
+                Debug.LogWarning(
+                    $"[SaveRestoreOrchestrator] 取消存档请求: trigger={request.Trigger}, " +
+                    $"node={FormatNodeName(request.SourceNodeName)}, reason={guardReason}");
+                yield break;
+            }
+
+            if (request.Trigger == SaveTrigger.DialogueExit
+                && !IsYarnProjectStillCurrent(request.YarnProjectId))
+            {
+                Debug.LogWarning(
+                    $"[SaveRestoreOrchestrator] interaction 退出存档的 YarnProject 已变化，取消请求: " +
+                    $"node={FormatNodeName(request.SourceNodeName)}, project={request.YarnProjectId ?? "(none)"}");
+                yield break;
+            }
+
+            lock (SaveQueueGate)
+            {
+                _activeCaptureCount++;
+            }
+
             var infoPanel = UIManager.Instance.GetPanel<InfoPanel>();
             infoPanel?.ShowSaveLoading();
 
@@ -77,57 +245,64 @@ namespace AibisDream.SaveSystem
             {
                 using (new CodeTimer("SaveSnapshot"))
                 {
-                    snapshot = SnapshotService.Capture(triggerNodeName, omitAnchor);
+                    snapshot = SnapshotService.Capture(
+                        request.ResumeMode == SaveResumeMode.RestartNode
+                            ? request.SourceNodeName
+                            : null,
+                        request.ResumeMode == SaveResumeMode.StateOnly);
                     thumbnail = SlotThumbnailCapture.CapturePng();
                 }
             }
             catch (Exception ex)
             {
-                Debug.LogError($"[SaveRestoreOrchestrator] 自动存档 Capture 失败: {ex}");
+                Debug.LogError(
+                    $"[SaveRestoreOrchestrator] 自动存档 Capture 失败: trigger={request.Trigger}, " +
+                    $"node={FormatNodeName(request.SourceNodeName)}, error={ex}");
                 infoPanel?.HideSaveLoading();
-                _isAutoSaving = false;
+                lock (SaveQueueGate)
+                {
+                    _activeCaptureCount = Math.Max(0, _activeCaptureCount - 1);
+                }
                 yield break;
             }
 
             infoPanel?.HideSaveLoading();
+            lock (SaveQueueGate)
+            {
+                _activeCaptureCount = Math.Max(0, _activeCaptureCount - 1);
+            }
 
 #if UNITY_EDITOR || DEVELOPMENT_BUILD
             TestSaveRecordRequest testSaveRequest = null;
-            if (!omitAnchor)
+            try
             {
-                try
-                {
-                    testSaveRequest = TestSaveRecorder.CreateRequest(snapshot, thumbnail);
-                }
-                catch (Exception ex)
-                {
-                    Debug.LogError($"[SaveRestoreOrchestrator] 创建测试存档旁路请求失败，不影响正式存档：{ex}");
-                }
+                testSaveRequest = TestSaveRecorder.CreateRequest(
+                    snapshot,
+                    thumbnail,
+                    request.Trigger.ToString(),
+                    request.ResumeMode.ToString(),
+                    request.SourceNodeName);
+            }
+            catch (Exception ex)
+            {
+                Debug.LogError($"[SaveRestoreOrchestrator] 创建测试存档旁路请求失败，不影响正式存档：{ex}");
             }
 #endif
 
-            _ = SlotManager.SaveToAutoSlotAsync(snapshot, thumbnail).ContinueWith(
-                writeTask =>
-                {
-                    if (writeTask.IsFaulted)
-                    {
-                        Debug.LogError(
-                            $"[SaveRestoreOrchestrator] 自动存档写盘失败: {writeTask.Exception?.GetBaseException()}");
-                    }
+            var sequence = EnqueueWrite(
+                snapshot,
+                thumbnail,
+                request
 #if UNITY_EDITOR || DEVELOPMENT_BUILD
-                    else if (!writeTask.IsCanceled)
-                    {
-                        TestSaveRecorder.Enqueue(testSaveRequest);
-                    }
+                , testSaveRequest
 #endif
+            );
 
-                    _isAutoSaving = false;
-                },
-                TaskContinuationOptions.ExecuteSynchronously);
-
-            if (omitAnchor || (snapshot?.anchor != null && string.IsNullOrEmpty(snapshot.anchor.nodeName)))
+            if (request.ResumeMode == SaveResumeMode.StateOnly)
             {
-                Debug.Log("[SaveRestoreOrchestrator] 已保存无 Yarn 节点 anchor 的状态。");
+                Debug.Log(
+                    $"[SaveRestoreOrchestrator] 已捕获 state-only 自动档并加入写盘队列: " +
+                    $"sequence={sequence}, trigger={request.Trigger}, node={FormatNodeName(request.SourceNodeName)}");
             }
         }
 
@@ -136,7 +311,70 @@ namespace AibisDream.SaveSystem
         /// </summary>
         public static IEnumerator ExplicitSaveRoutine()
         {
-            yield return AutoSaveRoutine(triggerNodeName: null, omitAnchor: true);
+            var dialog = DialogController.Instance;
+            var (nodeName, _) = dialog != null
+                ? dialog.GetCurrentNodeContext()
+                : (null, null);
+            var projectId = dialog?.DialogueRunner?.YarnProject?.name;
+            yield return SaveRoutine(SaveRequest.Explicit(nodeName, projectId));
+        }
+
+        private static long EnqueueWrite(
+            SaveSnapshot snapshot,
+            byte[] thumbnail,
+            SaveRequest request
+#if UNITY_EDITOR || DEVELOPMENT_BUILD
+            , TestSaveRecordRequest testSaveRequest
+#endif
+        )
+        {
+            var queueEntry = SaveWriteQueue.Enqueue(
+                () => SlotManager.SaveToAutoSlotAsync(snapshot, thumbnail));
+            var sequence = queueEntry.Sequence;
+            var queuedTask = queueEntry.Completion;
+
+            _ = queuedTask.ContinueWith(
+                writeTask =>
+                {
+                    if (writeTask.IsFaulted)
+                    {
+                        Debug.LogError(
+                            $"[SaveRestoreOrchestrator] 自动存档写盘失败: sequence={sequence}, " +
+                            $"trigger={request.Trigger}, node={FormatNodeName(request.SourceNodeName)}, " +
+                            $"error={writeTask.Exception?.GetBaseException()}");
+                    }
+                    else if (writeTask.IsCanceled)
+                    {
+                        Debug.LogWarning(
+                            $"[SaveRestoreOrchestrator] 自动存档写盘已取消: sequence={sequence}, " +
+                            $"trigger={request.Trigger}, node={FormatNodeName(request.SourceNodeName)}");
+                    }
+#if UNITY_EDITOR || DEVELOPMENT_BUILD
+                    else
+                    {
+                        TestSaveRecorder.Enqueue(testSaveRequest);
+                    }
+#endif
+                },
+                TaskScheduler.Default);
+
+            return sequence;
+        }
+
+        private static bool IsYarnProjectStillCurrent(string expectedProjectId)
+        {
+            if (string.IsNullOrEmpty(expectedProjectId))
+            {
+                return true;
+            }
+
+            var currentProjectId = DialogController.Instance?.DialogueRunner?.YarnProject?.name;
+            return string.Equals(currentProjectId, expectedProjectId, StringComparison.Ordinal);
+        }
+
+        private static string FormatNodeName(string nodeName)
+        {
+            return string.IsNullOrEmpty(nodeName) ? "(无节点)" : nodeName;
         }
 
         /// <summary>将当前自动档复制到指定手动档。</summary>
diff --git a/Assets/Scripts/SaveSystem/SaveYarnCommand.cs b/Assets/Scripts/SaveSystem/SaveYarnCommand.cs
index 87c3fcd71..3e73f3749 100644
--- a/Assets/Scripts/SaveSystem/SaveYarnCommand.cs
+++ b/Assets/Scripts/SaveSystem/SaveYarnCommand.cs
@@ -5,7 +5,7 @@ using Yarn.Unity;
 namespace AibisDream.SaveSystem
 {
     /// <summary>
-    /// Yarn 显式存档命令。在节点末尾、状态命令执行完毕且即将进入无对话阶段时使用。
+    /// Yarn 显式存档兼容命令。新内容应使用 interaction 一级类型或 save_on_exit 附加标记。
     /// </summary>
     public static class SaveYarnCommand
     {
diff --git a/Assets/Scripts/UI/Panel/DeveloperModePanel.cs b/Assets/Scripts/UI/Panel/DeveloperModePanel.cs
index d10549f1b..f6809ebb8 100644
--- a/Assets/Scripts/UI/Panel/DeveloperModePanel.cs
+++ b/Assets/Scripts/UI/Panel/DeveloperModePanel.cs
@@ -731,16 +731,26 @@ namespace AibisDream.UI
         private static (string Label, Color Color, bool IsError) FormatTestSaveRow(
             TestSaveCoverageRow row)
         {
+            var resumeModeLabel = string.Equals(
+                row.ResumeMode,
+                nameof(SaveResumeMode.StateOnly),
+                StringComparison.Ordinal)
+                ? "  [StateOnly]"
+                : string.Empty;
+
             if (row.Kind == TestSaveCoverageRowKind.Missing)
             {
-                return ($"○ 缺失  {row.NodeName}", new Color(0.6f, 0.68f, 0.72f), false);
+                return (
+                    $"○ 缺失  {row.NodeName}{resumeModeLabel}",
+                    new Color(0.6f, 0.68f, 0.72f),
+                    false);
             }
 
             var entry = row.Entry;
             if (row.Kind == TestSaveCoverageRowKind.Invalid || entry == null || !entry.IsValid)
             {
                 return (
-                    $"× 无效  {row.NodeName}  | "
+                    $"× 无效  {row.NodeName}{resumeModeLabel}  | "
                     + (entry?.IsValid == true
                         ? "当前流程找不到对应章节/YarnProject。"
                         : entry?.StatusMessage ?? "未知错误"),
@@ -750,7 +760,8 @@ namespace AibisDream.UI
 
             var warning = entry.HasVersionWarning ? $"  ⚠ game {entry.Meta.gameVersion}" : string.Empty;
             return (
-                $"● {row.NodeName}  | {entry.Meta.lastRecordedAt}  | {entry.Meta.sceneName}{warning}",
+                $"● {row.NodeName}{resumeModeLabel}  | " +
+                $"{entry.Meta.lastRecordedAt}  | {entry.Meta.sceneName}{warning}",
                 entry.HasVersionWarning ? new Color(1f, 0.82f, 0.35f) : Color.white,
                 false);
         }
diff --git a/Assets/Tests/FrameAnimation/GeneratedImportTests.meta b/Assets/Tests/FrameAnimation/GeneratedImportTests.meta
new file mode 100644
index 000000000..612b5afa5
--- /dev/null
+++ b/Assets/Tests/FrameAnimation/GeneratedImportTests.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: ce717c358aef1574ab0edd4df45152e6
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Tests/FrameAnimation/GeneratedImportTests/Atlas.png b/Assets/Tests/FrameAnimation/GeneratedImportTests/Atlas.png
new file mode 100644
index 000000000..f7dfbac46
--- /dev/null
+++ b/Assets/Tests/FrameAnimation/GeneratedImportTests/Atlas.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4104a521960d83c028d619b7cf9b4227c03a470455ef36578eb77737df0de13b
+size 76
diff --git a/Assets/Tests/FrameAnimation/GeneratedImportTests/Atlas.png.meta b/Assets/Tests/FrameAnimation/GeneratedImportTests/Atlas.png.meta
new file mode 100644
index 000000000..852e38d2a
--- /dev/null
+++ b/Assets/Tests/FrameAnimation/GeneratedImportTests/Atlas.png.meta
@@ -0,0 +1,209 @@
+fileFormatVersion: 2
+guid: ad7135517a3e7d44fab0e319f21e484c
+TextureImporter:
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 12
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+    forceMaximumCompressionQuality_BC6H_BC7: 0
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+    buildTarget: WebGL
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+    buildTarget: Android
+    maxTextureSize: 2048
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+    textureCompression: 1
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+    maxTextureSize: 2048
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+    textureCompression: 1
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diff --git a/Assets/Tests/FrameAnimation/GeneratedImportTests/ImportGraph.asset b/Assets/Tests/FrameAnimation/GeneratedImportTests/ImportGraph.asset
new file mode 100644
index 000000000..e0db2970b
--- /dev/null
+++ b/Assets/Tests/FrameAnimation/GeneratedImportTests/ImportGraph.asset
@@ -0,0 +1,75 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &-7417057855660477100
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 408fe45af4d321848a6c97f0356e8e5c, type: 3}
+  m_Name: SharedPair
+  m_EditorClassIdentifier: 
+  id: SharedPair
+  displayName: SharedPair
+  frames:
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+    durationMs: 100
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+    sourceIndex: 0
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+    durationMs: 300
+    frameName: FrameB
+    sourceIndex: 1
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+  defaultEndBehavior: 0
+  hasImportInfo: 1
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+    importSourceId: 52e497304ca9471c89e585f213e29f12
+    sourceTagName: SharedPair
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+  hasStandaloneImportSource: 0
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+  displayName: Import Graph
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+  importSources:
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+    displayName: "\u4E2D\u6587\u6765\u6E90"
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diff --git a/Assets/Tests/FrameAnimation/GeneratedImportTests/ImportGraph.asset.meta b/Assets/Tests/FrameAnimation/GeneratedImportTests/ImportGraph.asset.meta
new file mode 100644
index 000000000..d9425a12c
--- /dev/null
+++ b/Assets/Tests/FrameAnimation/GeneratedImportTests/ImportGraph.asset.meta
@@ -0,0 +1,8 @@
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diff --git a/Docs/Yarn维修节点类型规范.md b/Docs/Yarn维修节点类型规范.md
index 3df624302..1eebe0784 100644
--- a/Docs/Yarn维修节点类型规范.md
+++ b/Docs/Yarn维修节点类型规范.md
@@ -20,6 +20,7 @@
 | `init`        | `init`        | 变量声明与初始状态    | 无出口               | 仅 `<<declare>>` / `<<set>>` / 全局参数初始化；本身不跳转            |
 | `center`      | `center`      | 阶段调度中枢       | 可多出口 `<<jump>>`   | 仅按 `$gameStage` 分发，无文本、无选项                             |
 | `content`     | `content`     | 阶段内容节点       | 通常单出口             | 可含叙事文本、局部选项、小游戏指令                                      |
+| `interaction` | `interaction` | 交互内容节点       | 可按分支结束或跳转       | 可含叙事、选项与玩法准备指令；正常结束 Dialogue 后进入游戏内交互                |
 | `performance` | `performance` | 原子化线性演出节点    | 单出口               | timeline、cutscene 等，禁止选项                               |
 | `event`       | `event`       | C# 调用的事件响应入口 | 单/多出口 `<<jump>>`  | 仅轻量路由，禁止大段叙事                                           |
 | `function`    | `function`    | 纯指令封装        | **禁止 `<<jump>>`** | 仅 Command，无文本；命名加 `_Func` 后缀                           |
@@ -31,8 +32,12 @@
 - `deprecated`：已废弃节点，运行时不可达。
 - `wip`：待编辑/占位节点，运行时不可达。
 - `no_save`：该节点**不可作为保存边界**。即使节点类型通常允许保存（如 `content`），附加此标签也表示此处不应触发保存。
+- `save_on_exit`：覆盖一级类型的默认保存语义；进入节点时不保存，节点完成后直接结束本轮 Dialogue 时保存 state-only 档。
 - **瞬跳节点**：见 [§8 瞬跳节点与存档边界](#8-瞬跳节点与存档边界)。所有瞬跳节点均不可作为保存边界。
 
+`interaction` 已天然包含 `save_on_exit`，不得重复标记。`no_save` 与 `interaction` / `save_on_exit`
+互相冲突；运行时遇到冲突时按不保存处理，并输出配置错误。
+
 ---
 
 ## 2. 命名规则
@@ -44,6 +49,7 @@
 | `init`        | `VarsInit`、`数据初始化`                                           | 建议统一为 `VarsInit`；如项目已有 `数据初始化`，可保留但同一 project 内保持一致   |
 | `center`      | `Center`                                                     | 固定命名，每个维修 Yarn project 一个                             |
 | `content`     | `Stage1`、`开头对话`、`检查情绪`、`旋钮调节`                                | 阶段入口建议用 `StageN`；阶段内子节点用中文动宾/名词短语                     |
+| `interaction` | `Stage3`、`等待插线`、`End_memoryPaly`                         | 沿用内容节点命名；名称应能表达即将进入的游戏内交互                         |
 | `performance` | `地铁到站演出`、`手术动画`、`滤波器启动动画`                                    | 中文描述性名称，明确表达演出内容                                      |
 | `event`       | `EmoPlugIn`、`IntoEyeView`、`OnSalesTurnComplete`              | 用 `OnXxx` 或模块名 + 事件名，表达触发来源                           |
 | `function`    | `Wave_Show_Func`、`Wave_Hide_Func`、`Module_HighlightOff_Func` | `领域_动作_Func` 或 `模块_动作_Func`，PascalCase；必须带 `_Func` 后缀 |
@@ -190,6 +196,32 @@ hs: 医——生——！ #line:0bade9e
 
 ---
 
+### 3.4.1 interaction 节点
+
+`interaction` 是一种有内容的玩法交互入口。它可以承载与 `content` 相同的台词、选项、演出和
+状态准备，但进入节点时不保存；只有节点完成后直接结束本轮 Dialogue 的执行路径，才会生成
+state-only 自动档，并把控制权交给游戏系统。
+
+```yarn
+title: Stage3
+tags: interaction
+---
+<<switch_fix_system_to "BodyModule" "Head">>
+dn: 请使用检查设备继续操作。
+===
+```
+
+**约束清单：**
+
+- `interaction` 是一级类型，不与 `content` 等其他一级类型并列书写。
+- 正常交互入口路径应直接结束 Dialogue；读档时只恢复状态，不重新运行该节点。
+- 允许某些条件分支 `<<jump>>` / `<<detour>>` 到其他 Yarn 节点；这些路径会取消退出档并记录告警。
+- 节点结束前必须完成所有需要写入快照的状态命令。未等待的 fire-and-forget 命令不可作为可靠边界。
+- 后续玩法必须能够完全通过 Snapshot Provider 恢复，包括输入、交互监听和玩法模式，而不只是视觉状态。
+- 普通节点需要同样语义时可附加 `save_on_exit`；`interaction` 无需重复附加。
+
+---
+
 ### 3.5 performance 节点
 
 原子化线性演出节点，用于 timeline、cutscene 等必须完整播放的演出。
@@ -326,6 +358,8 @@ Center ◀─────────────────────┘
   │                      │
   │                      ├── content 子节点 ── ...
   │                      │
+  │                      ├── interaction 子节点 ──> 结束 Dialogue ──> 游戏内交互
+  │                      │
   │                      ├── performance 子节点 ──<<jump>>──> content 或 end
   │                      │
   │                      └── <<set $gameStage>> ──> <<jump Center>>
@@ -350,14 +384,14 @@ Center ◀─────────────────────┘
 ## 6. 快速检查表
 
 
-| 检查项                | start | init | center | content | performance              | event               | function | end               |
-| ------------------ | ----- | ---- | ------ | ------- | ------------------------ | ------------------- | -------- | ----------------- |
-| 是否包含叙事文本？          | 禁止    | 禁止   | 禁止     | 允许      | 禁止                       | 禁止                  | 禁止       | 允许（少量）            |
-| 是否包含选项？            | 禁止    | 禁止   | 禁止     | 允许      | 禁止                       | 禁止                  | 禁止       | 禁止                |
-| 是否有 `<<jump>>`？    | 仅一个出口 | 禁止   | 可多出口   | 通常一个出口  | 单出口                      | 可有                  | 禁止       | 最终 `<<NextYarn>>` |
-| 是否修改 `$gameStage`？ | 禁止    | 可初始化 | 禁止     | 允许      | 禁止                       | 尽量避免                | 禁止       | 禁止                |
-| 是否被 C# 调用？         | 否     | 否    | 否      | 否       | 否                        | 是                   | 否        | 否                 |
-| 是否可作为保存边界？         | 否     | 否    | 否（瞬跳） | 是（**瞬跳 content 除外**，须 `no_save`） | 仅开头/结尾（节点本身建议 `no_save`） | 否（可附加 `no_save` 强调） | 否        | 否（建议 `no_save`）   |
+| 检查项                | start | init | center | content | interaction | performance              | event               | function | end               |
+| ------------------ | ----- | ---- | ------ | ------- | ----------- | ------------------------ | ------------------- | -------- | ----------------- |
+| 是否包含叙事文本？          | 禁止    | 禁止   | 禁止     | 允许      | 允许          | 禁止                       | 禁止                  | 禁止       | 允许（少量）            |
+| 是否包含选项？            | 禁止    | 禁止   | 禁止     | 允许      | 允许          | 禁止                       | 禁止                  | 禁止       | 禁止                |
+| 是否有 `<<jump>>`？    | 仅一个出口 | 禁止   | 可多出口   | 通常一个出口  | 可按分支跳转      | 单出口                      | 可有                  | 禁止       | 最终 `<<NextYarn>>` |
+| 是否修改 `$gameStage`？ | 禁止    | 可初始化 | 禁止     | 允许      | 允许          | 禁止                       | 尽量避免                | 禁止       | 禁止                |
+| 是否被 C# 调用？         | 否     | 否    | 否      | 否       | 否           | 否                        | 是                   | 否        | 否                 |
+| 是否可作为保存边界？         | 否     | 否    | 否（瞬跳） | 是（**瞬跳 content 除外**，须 `no_save`） | 正常结束时保存 state-only | 仅开头/结尾（节点本身建议 `no_save`） | 否（可附加 `no_save` 强调） | 否        | 否（建议 `no_save`）   |
 
 
 ---
@@ -367,6 +401,7 @@ Center ◀─────────────────────┘
 - `deprecated`：已废弃节点，运行时不可达。
 - `wip`：待编辑/占位节点，运行时不可达。
 - `no_save`：该节点不可作为保存边界，运行时经过此处不应触发保存。
+- `save_on_exit`：节点进入时不保存；节点完成并直接结束本轮 Dialogue 后保存 state-only 档。
 
 ### 7.1 `no_save` 使用场景
 
@@ -380,9 +415,10 @@ Center ◀─────────────────────┘
 
 任何活跃节点不得 `<<jump>>` 到 `deprecated` / `wip` 节点，也不得在标记为 `no_save` 的节点处触发 **OnNodeStart 自动保存**。
 
-### 7.2 Yarn 显式存档 `<<save>>`
+### 7.2 Yarn 显式存档 `<<save>>`（兼容旧内容）
 
-用于节点末尾、状态已就位、即将进入无对话 / 纯 C# 交互阶段时的**显式存盘点**（`OnNodeStart` 无法覆盖的场景）。
+`<<save>>` 已标记为 deprecated，仅用于兼容尚未迁移的旧内容。新内容进入无对话 / 纯 C# 交互阶段时，
+应优先使用一级类型 `interaction`；其他一级类型需要相同行为时使用 `save_on_exit`。
 
 ```yarn
 <<play_timeline 地铁>>
diff --git a/Docs/存档系统设计方案.md b/Docs/存档系统设计方案.md
index c12c0ba7d..21c9ebc2c 100644
--- a/Docs/存档系统设计方案.md
+++ b/Docs/存档系统设计方案.md
@@ -230,11 +230,14 @@ P7 横切
 
 ### P3 可存点判定层（基础版已落地）
 
-- `DialogController.OnNodeStart` 更新当前 node/tags 后调用 `SavePointEvaluator.OnNodeStartForAutoSave()`，通过后执行 `SaveRestoreOrchestrator.AutoSaveRoutine(nodeName)`。
+- `DialogController.OnNodeStart` 更新当前 node/tags 后解析 `NodeSavePolicy`：普通合法节点执行进入档；
+  `interaction` / `save_on_exit` 登记退出 checkpoint，节点完成并直接结束本轮 Dialogue 后写 state-only 档。
 - **Fresh 进入 vs detour 续跑**：`SavePointEvaluator` 按 `yarnProjectId` 维护 `InProgressNodes`；节点尚未 `onNodeComplete` 时再次 `onNodeStart`（Yarn detour 返回父节点）→ `DetourResume`，跳过自动存。`OnNodeComplete` 移出集合；切换 YarnProject / `StopDialog` 重置；读档 anchor 重进仅 `OnRestoreEnterNode` 标记，不写盘。
-- **tag 规则**：`hub` / `linear` / `content` 默认允许；`start` / `init` / `function` / `detour` / `center` / `performance` / `event` / `end` 默认禁止；`no_save` 覆盖一切并禁止 **OnNodeStart 自动存**。
+- **tag 规则**：`hub` / `linear` / `content` 默认进入时保存；`interaction` 默认 Dialogue 退出时保存；
+  `save_on_exit` 可覆盖其他一级类型；`no_save` 禁止保存，并与上述退出语义冲突。
 - 自动档边界 = **Fresh OnNodeStart** 且 tag 判定通过且非 `DetourResume`（不区分 hub / content / linear 的额外终身去重）。
-- Yarn `<<save>>`（`SaveYarnCommand`）走 `CanExplicitSave`：仅全局门控，默认 omit anchor；用于节点末尾进入无对话 / Fix 交互等边界。
+- Yarn `<<save>>`（`SaveYarnCommand`）保留为旧内容兼容入口；新内容使用 `interaction` 或 `save_on_exit`。
+- 自动档 Capture 后进入串行写盘队列；后续有效 checkpoint 不再因前一档仍在写盘而被丢弃。
 - `SaveRestoreOrchestrator.IsRestoring` 与 `GameManager.Session.IsPaused` 会阻止自动保存与显式 save，避免读档中覆盖自动档。
 - `CreateManualSlot` 复用 `CanManualSave`：`slot_0` 存在且通过全局门控即可复制（含显式 `<<save>>` 写盘后的手动档）。