diff --git a/AGENTS.md b/AGENTS.md
index ce72eb44a..cd5eb994e 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -60,8 +60,8 @@ The legacy roots have no physical directories in the source tree. Current images
 |---|---|---|---|
 | `app/foundation/` | 无状态、无配置和无 I/O 的底层机制：反射/动态导入、加密、DOM、身份、集合、单例、文本、URL 和版本比较 | `settings`、DB/SystemConfig、网络请求、运行日志、MoviePilot 业务规则、旧导入路径 | `reflection.py`, `crypto.py`, `collections.py`, `text.py`, `url.py` |
 | `app/domain/` | Pure MoviePilot business semantics and models for media, recognition, sites, and torrents | Persistence, global settings reads, network/filesystem clients, Rust imports, service discovery, process lifecycle | `context.py`, `media.py`, `metainfo.py`, `scraper.py`, `meta/` |
-| `app/runtime/` | 进程级运行机制和策略：配置、事件、完整日志、缓存契约/内存行为、托管资源门面、并发、调度、限流、本地化、GC 和重启状态 | 具体外部产品、业务流程、Redis/文件缓存实现 | `config.py`, `events.py`, `log.py`, `cache.py`, `managed_resources.py`, `thread.py`, `state.py` |
-| `app/runtime/extensions/` | 模块、插件、配置化服务和托管资源实现的发现、注册与生命周期适配 | 通用反射机制、插件公开 API、无关业务流程 | `module_manager.py`, `plugin_manager.py`, `managed_resource_adapter.py`, `service_registry.py` |
+| `app/runtime/` | 进程级运行机制和策略：配置、事件、完整日志、缓存契约/内存行为、托管资源门面、并发、调度、限流、本地化、GC 和重启状态 | 具体外部产品、业务流程、Redis/文件缓存实现 | `config.py`, `events.py`, `log.py`, `cache.py`, `resources.py`, `thread.py`, `state.py` |
+| `app/runtime/extensions/` | 模块、插件、配置化服务和托管资源实现的发现、注册与生命周期适配 | 通用反射机制、插件公开 API、无关业务流程 | `module_manager.py`, `plugin_manager.py`, `resource.py`, `service_registry.py` |
 | `app/adapters/network/` | HTTP、浏览器、DNS、Cloudflare 和 IP 等通用网络技术适配 | RSS/站点业务编排、身份认证策略、命名外部产品流程 | `http.py`, `browser.py`, `doh.py`, `ip.py` |
 | `app/adapters/cache/` | Redis 与文件缓存等具体持久化实现 | 缓存协议、装饰器和进程内缓存策略 | `backends.py`, `redis.py` |
 | `app/adapters/system/` | 操作系统、文件、进程、标准流、包/资源安装、显示和 Rust 加速适配 | 业务规则、进程重启决策 | `host.py`, `display/`, `stdio.py`, `package.py`, `resource.py`, `rust.py`, `fsproxy.py` |
diff --git a/app/adapters/network/browser.py b/app/adapters/network/browser.py
index 8d9e473df..aae633c65 100644
--- a/app/adapters/network/browser.py
+++ b/app/adapters/network/browser.py
@@ -10,7 +10,7 @@ from urllib.parse import urlparse
 
 from app.adapters.network.http import RequestUtils, cookie_parse
 from app.runtime.log import logger
-from app.runtime.managed_resources import (
+from app.runtime.resources import (
     acquire_managed_resource,
     acquire_managed_resource_async,
 )
diff --git a/app/adapters/system/display/__init__.py b/app/adapters/system/display/__init__.py
index f64aa0797..cc27999d6 100644
--- a/app/adapters/system/display/__init__.py
+++ b/app/adapters/system/display/__init__.py
@@ -7,12 +7,11 @@ from typing import Any
 
 from app.foundation.singleton import Singleton
 from app.runtime.log import logger
-from app.runtime.managed_resources import (
+from app.runtime.resources import (
     acquire_managed_resource,
     stop_managed_resource,
 )
 
-
 DISPLAY_CAPABILITY_ID = "host.display"
 
 
diff --git a/app/agent/tools/impl/delete_transfer_history.py b/app/agent/tools/impl/delete_transfer_history.py
index 3e43128ac..b28d0213e 100644
--- a/app/agent/tools/impl/delete_transfer_history.py
+++ b/app/agent/tools/impl/delete_transfer_history.py
@@ -9,7 +9,7 @@ from app.agent.tools.base import MoviePilotTool
 from app.agent.tools.tags import ToolTag
 from app.application.agentdata import get_agent_transfer_history_port
 from app.application.chain.data import get_chain_transfer_execution_port
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCommand,
     TransferRetryRequestResult,
 )
diff --git a/app/api/endpoints/history.py b/app/api/endpoints/history.py
index 973feeaf4..8fa343014 100644
--- a/app/api/endpoints/history.py
+++ b/app/api/endpoints/history.py
@@ -35,7 +35,7 @@ from app.application.history import (
     HistoryQueryService,
     TransferHistoryMutationCommand,
 )
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCommand,
     TransferRetryRequestResult,
 )
diff --git a/app/api/endpoints/transfer.py b/app/api/endpoints/transfer.py
index 1caf9314c..ba6575e86 100644
--- a/app/api/endpoints/transfer.py
+++ b/app/api/endpoints/transfer.py
@@ -11,7 +11,7 @@ from app.application.chain.data import get_chain_transfer_execution_port
 from app.application.configuration import get_api_runtime_config_snapshot
 from app.application.directory import DirectoryHelper
 from app.application.history import TransferHistoryLookupService
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCommand,
     TransferExecutionConflictError,
     TransferExecutionState,
diff --git a/app/application/chain/context.py b/app/application/chain/context.py
index 3f8e45986..465e0dcc6 100644
--- a/app/application/chain/context.py
+++ b/app/application/chain/context.py
@@ -7,7 +7,7 @@ from dataclasses import dataclass, field
 from typing import Any, Optional
 
 from app.application.chain.data import ChainDataPorts
-from app.application.chain.durable_events import ChainDurableEventWriter
+from app.application.chain.events import ChainDurableEventWriter
 from app.application.configuration import ChainRuntimeConfig
 from app.runtime.stop import StopState, runtime_stop_state
 
diff --git a/app/application/chain/data.py b/app/application/chain/data.py
index f5fd5addf..92c92ea75 100644
--- a/app/application/chain/data.py
+++ b/app/application/chain/data.py
@@ -10,9 +10,8 @@ from collections.abc import Callable
 from dataclasses import dataclass
 from typing import Any, Optional
 
-from app.application.transfer import TransferAdmissionRepository
-from app.application.transfer_execution import TransferExecutionRepository
-
+from app.application.transfer.execution import TransferExecutionRepository
+from app.application.transfer.workflow import TransferAdmissionRepository
 
 OperFactory = Callable[[], Any]
 TransferAdmissionRepositoryFactory = Callable[[], TransferAdmissionRepository]
diff --git a/app/application/chain/durable_events.py b/app/application/chain/events.py
similarity index 96%
rename from app/application/chain/durable_events.py
rename to app/application/chain/events.py
index 848f7337e..21300e4f8 100644
--- a/app/application/chain/durable_events.py
+++ b/app/application/chain/events.py
@@ -1,4 +1,4 @@
-"""Chain durable 事件的事务写端口与可重放 payload 转换。"""
+"""Chain 持久事件的事务写端口与可重放 payload 转换。"""
 
 from __future__ import annotations
 
@@ -11,7 +11,7 @@ from typing import Any, Protocol, cast
 from uuid import uuid4
 
 from app.application.history import TransferHistoryRecord, TransferHistoryWriter
-from app.application.transfer_execution import TransferSettlementResult
+from app.application.transfer.execution import TransferSettlementResult
 from app.domain.context import Context, MediaInfo, MusicInfo, TorrentInfo
 from app.domain.meta.metabase import MetaBase
 from app.domain.meta.metamusic import MetaMusic
@@ -108,7 +108,11 @@ def snapshot_download_added(payload: dict[str, Any]) -> dict[str, Any]:
     context = payload.get("context")
     return cast(dict[str, Any], _json_snapshot({
         "hash": payload.get("hash"),
-        "context": context.to_dict() if isinstance(context, Context) else context,
+        "context": (
+            cast(Callable[[], dict[str, Any]], context.to_dict)()
+            if isinstance(context, Context)
+            else context
+        ),
         "username": payload.get("username"),
         "downloader": payload.get("downloader"),
         "episodes": list(payload.get("episodes") or []),
@@ -211,11 +215,11 @@ def _restore_context(payload: dict[str, Any]) -> Context:
         media_info=(
             _restore_media(media_payload) if isinstance(media_payload, dict) else None
         ),
-        torrent_info=(
+        torrent_info=cast(TorrentInfo, (
             _restore_torrent(torrent_payload)
             if isinstance(torrent_payload, dict)
             else None
-        ),
+        )),
         media_recognize_fail_count=int(
             payload.get("media_recognize_fail_count") or 0
         ),
diff --git a/app/application/transfer/__init__.py b/app/application/transfer/__init__.py
new file mode 100644
index 000000000..fec0373bc
--- /dev/null
+++ b/app/application/transfer/__init__.py
@@ -0,0 +1 @@
+"""整理应用能力包，分离任务工作流与持久执行状态机职责。"""
diff --git a/app/application/transfer_execution.py b/app/application/transfer/execution.py
similarity index 100%
rename from app/application/transfer_execution.py
rename to app/application/transfer/execution.py
diff --git a/app/application/transfer.py b/app/application/transfer/workflow.py
similarity index 90%
rename from app/application/transfer.py
rename to app/application/transfer/workflow.py
index 8e165a174..ffa962592 100644
--- a/app/application/transfer.py
+++ b/app/application/transfer/workflow.py
@@ -22,6 +22,7 @@ from dataclasses import dataclass, field
 from pathlib import Path
 from time import monotonic
 from typing import (
+    TYPE_CHECKING,
     Any,
     Callable,
     Dict,
@@ -31,27 +32,29 @@ from typing import (
     Tuple,
     TypeAlias,
     Union,
+    cast,
 )
 
 from pydantic import BaseModel, ConfigDict, PrivateAttr
 
 from app.adapters.system.host import SystemUtils
 from app.application.agent import get_prompt_manager, get_running_agent_manager
-from app.application.transfer_execution import TransferExecutionCheckpoint
+from app.application.transfer.execution import TransferExecutionCheckpoint
 from app.domain.context import MediaInfo, MusicInfo
 from app.domain.media import normalize_music_type
 from app.domain.meta.metabase import MetaBase
 from app.domain.meta.metamusic import MetaMusic
 from app.foundation import text as text_tools
 from app.runtime.log import logger
+from app.schemas.context import MediaInfo as _SchemaMediaInfo
+from app.schemas.context import MetaInfo as _SchemaMetaInfo
 from app.schemas.file import FileItem
 from app.schemas.history import DownloadHistory
 from app.schemas.media import OptionalMediaIdentityMixin, resolve_media_identity
+from app.schemas.music import MusicInfo as _SchemaMusicInfo
+from app.schemas.music import MusicMeta as _SchemaMusicMeta
 from app.schemas.system import TransferDirectoryConf
 from app.schemas.tmdb import TmdbEpisode
-from app.schemas.transfer import MetaInfo as _SchemaMetaInfo
-from app.schemas.transfer import MusicInfo as _SchemaMusicInfo
-from app.schemas.transfer import MusicMeta as _SchemaMusicMeta
 from app.schemas.transfer import TransferInfo, TransferJob, TransferJobTask
 from app.schemas.types import (
     MUSIC_ENTITY_ALBUM,
@@ -60,9 +63,61 @@ from app.schemas.types import (
     MediaType,
     ReplyMode,
 )
-from app.schemas.workflow import MediaInfo as _SchemaMediaInfo
+
+if TYPE_CHECKING:
+    class _ApplicationModel:
+        """描述当前模块依赖的最小 Pydantic 模型类型形状。"""
+
+        def __init__(self, **data: Any) -> None:
+            """接受模型字段关键字参数。"""
+            raise NotImplementedError
+
+        def model_dump(self, **kwargs: Any) -> dict[str, Any]:
+            """返回模型字段字典。"""
+            raise NotImplementedError
+else:
+    _ApplicationModel = BaseModel
 
 JSONValue: TypeAlias = Union[None, bool, int, float, str, list["JSONValue"], dict[str, "JSONValue"]]
+JobId: TypeAlias = tuple[object, ...]
+FileKey: TypeAlias = tuple[str, str]
+
+
+class _DictionarySerializable(Protocol):
+    """描述领域对象沿用的字典投影能力。"""
+
+    def to_dict(self) -> dict[str, Any]:
+        """返回领域对象的字典投影。"""
+
+
+def _domain_to_dict(value: object) -> dict[str, Any]:
+    """按领域对象既有 ``to_dict`` 合同生成字典投影。"""
+    return cast(_DictionarySerializable, value).to_dict()
+
+
+def _job_tasks(job: TransferJob) -> list[TransferJobTask]:
+    """声明进程内作业始终使用已初始化的任务列表。"""
+    return cast(list[TransferJobTask], job.tasks)
+
+
+def _job_task_fileitem(task: TransferJobTask) -> FileItem:
+    """声明进程内作业任务始终绑定源文件。"""
+    return cast(FileItem, task.fileitem)
+
+
+def _job_task_size(task: TransferJobTask) -> int:
+    """按既有本地目录回退规则返回已完成任务的文件大小。"""
+    fileitem = _job_task_fileitem(task)
+    if fileitem.size is not None:
+        return fileitem.size
+    if fileitem.storage == "local":
+        return SystemUtils.get_directory_size(Path(cast(str, fileitem.path)))
+    return 0
+
+
+def _transfer_task_meta(task: "TransferTask") -> MetaBase:
+    """声明进入作业管理器的整理任务已经完成元数据解析。"""
+    return cast(MetaBase, task.meta)
 
 TRANSFER_ADMISSION_ACCEPTED = "accepted"
 TRANSFER_ADMISSION_PROVIDER_PENDING = "provider_pending"
@@ -636,7 +691,7 @@ class TransferLeaseLostError(TransferPlanningStateError):
     """整理 worker 已失去持久租约、不得继续推进任务时抛出的错误。"""
 
 
-class TransferTask(OptionalMediaIdentityMixin, BaseModel):
+class TransferTask(OptionalMediaIdentityMixin, _ApplicationModel):
     """
     文件整理任务。
     """
@@ -748,7 +803,7 @@ class TransferTask(OptionalMediaIdentityMixin, BaseModel):
         self._lease_owner = owner_id
         self._lease_token = lease_token
 
-    def to_dict(self):
+    def to_dict(self) -> dict[str, Any]:
         """
         返回字典。
 
@@ -758,13 +813,16 @@ class TransferTask(OptionalMediaIdentityMixin, BaseModel):
         """
         dicts = vars(self).copy()
         dicts["fileitem"] = self.fileitem.model_dump() if self.fileitem else None
-        dicts["meta"] = self.meta.to_dict() if self.meta else None
-        dicts["mediainfo"] = self.mediainfo.to_dict() if self.mediainfo else None
+        dicts["meta"] = _domain_to_dict(self.meta) if self.meta else None
+        dicts["mediainfo"] = _domain_to_dict(self.mediainfo) if self.mediainfo else None
         dicts["target_directory"] = self.target_directory.model_dump() if self.target_directory else None
         return dicts
 
 
-class TransferQueue(BaseModel):
+TransferCallback: TypeAlias = Callable[[TransferTask, TransferInfo], tuple[bool, str]]
+
+
+class TransferQueue(_ApplicationModel):
     """
     异步整理队列信息。
 
@@ -774,7 +832,7 @@ class TransferQueue(BaseModel):
     # 任务信息
     task: Optional[TransferTask] = None
     # 回调函数
-    callback: Optional[Callable] = None
+    callback: Optional[TransferCallback] = None
     # 整理结果
     result: Optional[TransferInfo] = None
 
@@ -904,7 +962,7 @@ class TransferQueueService:
         self._list_tasks = list_tasks
         self._expire_tasks = expire_tasks
 
-    def put(self, task: TransferTask, callback: Callable) -> bool:
+    def put(self, task: TransferTask, callback: TransferCallback) -> bool:
         """先持久化准入事实再入队；任何前置失败都撤销内存作业视图。"""
         if not task or not self._register_task(task):
             return False
@@ -1124,15 +1182,15 @@ class JobManager:
     """
 
     # 整理中的作业
-    _job_view: Dict[Tuple, TransferJob] = {}
+    _job_view: Dict[JobId, TransferJob] = {}
     # 汇总季集清单
-    _season_episodes: Dict[Tuple, List[int]] = {}
+    _season_episodes: Dict[JobId, List[int]] = {}
     # 记录从 meta 作业迁移到 media 作业的关系，用于清理提前失败后残留的 media 作业
-    _meta_to_media_ids: Dict[Tuple, set[Tuple]] = {}
+    _meta_to_media_ids: Dict[JobId, set[JobId]] = {}
     # 记录任务最近一次状态心跳，供外部异步接管任务的失活检测使用
-    _task_state_changed_at: Dict[Tuple[str, str], float] = {}
+    _task_state_changed_at: Dict[FileKey, float] = {}
     # 记录仍由主程序整理线程直接执行的任务，避免把阻塞中的本地任务误判为失活
-    _active_executions: set[Tuple[str, str]] = set()
+    _active_executions: set[FileKey] = set()
 
     def __init__(self) -> None:
         """初始化当前进程内的整理作业状态。"""
@@ -1143,15 +1201,18 @@ class JobManager:
         self._active_executions = set()
 
     @staticmethod
-    def __get_meta_id(meta: MetaBase = None, season: Optional[int] = None) -> Tuple:
+    def __get_meta_id(
+            meta: Optional[MetaBase] = None,
+            season: Optional[int] = None,
+    ) -> JobId:
         """
         获取元数据ID
         """
-        return meta.name, season
+        return cast(MetaBase, meta).name, season
 
     @staticmethod
     def __get_media_id(media: Optional[Union[MediaInfo, MusicInfo]] = None,
-                       season: Optional[int] = None) -> Tuple:
+                       season: Optional[int] = None) -> JobId:
         """
         获取媒体ID；音乐额外区分实体类型，并为无远端ID的曲目构造稳定身份。
         """
@@ -1204,18 +1265,19 @@ class JobManager:
         )
         return fileitem.storage or "local", normalized_path
 
-    def __get_id(self, task: TransferTask = None) -> Tuple:
+    def __get_id(self, task: Optional[TransferTask] = None) -> JobId:
         """
         获取作业ID
         """
-        if task.mediainfo:
+        resolved_task = cast(TransferTask, task)
+        meta = _transfer_task_meta(resolved_task)
+        if resolved_task.mediainfo:
             return self.__get_media_id(
-                media=task.mediainfo, season=task.meta.begin_season
+                media=resolved_task.mediainfo, season=meta.begin_season
             )
-        else:
-            return self.__get_meta_id(meta=task.meta, season=task.meta.begin_season)
+        return self.__get_meta_id(meta=meta, season=meta.begin_season)
 
-    def get_job_id(self, task: TransferTask) -> Tuple:
+    def get_job_id(self, task: TransferTask) -> JobId:
         """返回任务当前所属的稳定作业身份，供作业级附加状态隔离使用。"""
         return self.__get_id(task)
 
@@ -1229,11 +1291,11 @@ class JobManager:
             mediainfo = deepcopy(task.mediainfo)
             mediainfo.clear()
             if isinstance(mediainfo, MusicInfo):
-                return _SchemaMusicInfo(**mediainfo.to_dict())
-            return _SchemaMediaInfo(**mediainfo.to_dict())
+                return _SchemaMusicInfo(**_domain_to_dict(mediainfo))
+            return _SchemaMediaInfo(**_domain_to_dict(mediainfo))
         else:
             # 没有媒体信息
-            meta: MetaBase = task.meta
+            meta = _transfer_task_meta(task)
             if isinstance(meta, MetaMusic):
                 # 未识别的音乐按已解析元数据兜底展示；音乐年份为 int，
                 # 不能复用 MediaInfo（year 为 str），否则触发 pydantic 校验异常
@@ -1262,7 +1324,7 @@ class JobManager:
         """
         if isinstance(task.meta, MetaMusic):
             return _SchemaMusicMeta(**task.meta.to_dict())
-        return _SchemaMetaInfo(**task.meta.to_dict())
+        return _SchemaMetaInfo(**_domain_to_dict(_transfer_task_meta(task)))
 
     def add_task(self, task: TransferTask, state: Optional[str] = "waiting") -> bool:
         """
@@ -1278,16 +1340,16 @@ class JobManager:
             __mediaid__ = self.__get_id(task)
             # 同一个源文件可能在识别前后落入不同作业，必须跨作业去重。
             if any(
-                    self.__get_file_key(t.fileitem) == file_key
+                    self.__get_file_key(_job_task_fileitem(t)) == file_key
                     for job in self._job_view.values()
-                    for t in job.tasks
+                    for t in _job_tasks(job)
             ):
                 logger.debug(f"任务 {task.fileitem.name} 已存在，跳过重复添加")
                 return False
             if __mediaid__ not in self._job_view:
                 self._job_view[__mediaid__] = TransferJob(
                     media=self.__get_media(task),
-                    season=task.meta.begin_season,
+                    season=_transfer_task_meta(task).begin_season,
                     tasks=[
                         TransferJobTask(
                             fileitem=task.fileitem,
@@ -1302,13 +1364,13 @@ class JobManager:
                 # 不重复添加任务
                 if any(
                         [
-                            self.__get_file_key(t.fileitem) == file_key
-                            for t in self._job_view[__mediaid__].tasks
+                            self.__get_file_key(_job_task_fileitem(t)) == file_key
+                            for t in _job_tasks(self._job_view[__mediaid__])
                         ]
                 ):
                     logger.debug(f"任务 {task.fileitem.name} 已存在，跳过重复添加")
                     return False
-                self._job_view[__mediaid__].tasks.append(
+                _job_tasks(self._job_view[__mediaid__]).append(
                     TransferJobTask(
                         fileitem=task.fileitem,
                         meta=self.__get_meta(task),
@@ -1320,12 +1382,14 @@ class JobManager:
             self._task_state_changed_at[file_key] = monotonic()
             # 添加季集信息
             if self._season_episodes.get(__mediaid__):
-                self._season_episodes[__mediaid__].extend(task.meta.episode_list)
+                self._season_episodes[__mediaid__].extend(
+                    _transfer_task_meta(task).episode_list
+                )
                 self._season_episodes[__mediaid__] = list(
                     set(self._season_episodes[__mediaid__])
                 )
             else:
-                self._season_episodes[__mediaid__] = task.meta.episode_list
+                self._season_episodes[__mediaid__] = _transfer_task_meta(task).episode_list
             return True
 
     def migrate_task(self, task: TransferTask) -> bool:
@@ -1338,16 +1402,15 @@ class JobManager:
         if not self.add_task(task, state=curr_task.state if curr_task else "waiting"):
             return False
         if curr_task and task.mediainfo:
-            metaid = self.__get_meta_id(
-                meta=task.meta, season=task.meta.begin_season
-            )
+            meta = _transfer_task_meta(task)
+            metaid = self.__get_meta_id(meta=meta, season=meta.begin_season)
             mediaid = self.__get_id(task)
             if source_job_id == metaid and mediaid != metaid:
                 with job_lock:
                     self._meta_to_media_ids.setdefault(metaid, set()).add(mediaid)
         return True
 
-    def __is_job_done(self, job_id: Tuple) -> bool:
+    def __is_job_done(self, job_id: JobId) -> bool:
         """
         检查指定作业是否已完成
         """
@@ -1355,10 +1418,10 @@ class JobManager:
             return True
         return all(
             task.state in ["completed", "failed"]
-            for task in self._job_view[job_id].tasks
+            for task in _job_tasks(self._job_view[job_id])
         )
 
-    def __pop_job(self, job_id: Tuple):
+    def __pop_job(self, job_id: JobId) -> None:
         """
         移除指定作业和对应季集缓存
         """
@@ -1366,13 +1429,13 @@ class JobManager:
         self._season_episodes.pop(job_id, None)
         if not job:
             return
-        for task in job.tasks:
-            file_key = self.__get_file_key(task.fileitem)
+        for task in _job_tasks(job):
+            file_key = self.__get_file_key(_job_task_fileitem(task))
             if file_key:
                 self._task_state_changed_at.pop(file_key, None)
                 self._active_executions.discard(file_key)
 
-    def __remove_done_job_groups(self, job_ids: set[Tuple]):
+    def __remove_done_job_groups(self, job_ids: set[JobId]) -> None:
         """
         清理已进入终态的独立作业或关联作业组。
         """
@@ -1396,7 +1459,7 @@ class JobManager:
             if self.__is_job_done(job_id):
                 self.__pop_job(job_id)
 
-    def start_execution(self, task: TransferTask):
+    def start_execution(self, task: TransferTask) -> None:
         """
         标记任务仍由主程序整理线程直接执行。
 
@@ -1410,7 +1473,7 @@ class JobManager:
         with job_lock:
             self._active_executions.add(file_key)
 
-    def finish_execution(self, task: TransferTask):
+    def finish_execution(self, task: TransferTask) -> None:
         """
         结束主程序整理线程对任务的直接执行标记。
 
@@ -1426,7 +1489,7 @@ class JobManager:
 
     def expire_stale_running_tasks(
             self, timeout_seconds: int
-    ) -> List[Tuple[FileItem, int]]:
+    ) -> List[tuple[FileItem, int]]:
         """
         将外部接管后长期无心跳的运行中任务标记失败并清理作业视图。
 
@@ -1440,12 +1503,13 @@ class JobManager:
             return []
 
         current_time = monotonic()
-        expired: List[Tuple[FileItem, int]] = []
-        affected_job_ids: set[Tuple] = set()
+        expired: List[tuple[FileItem, int]] = []
+        affected_job_ids: set[JobId] = set()
         with job_lock:
             for mediaid, job in self._job_view.items():
-                for task in job.tasks:
-                    file_key = self.__get_file_key(task.fileitem)
+                for task in _job_tasks(job):
+                    fileitem = _job_task_fileitem(task)
+                    file_key = self.__get_file_key(fileitem)
                     if (
                             not file_key
                             or task.state != "running"
@@ -1463,13 +1527,13 @@ class JobManager:
                         self._season_episodes[mediaid] = list(
                             set(self._season_episodes[mediaid]) - set(episodes)
                         )
-                    expired.append((task.fileitem, int(inactive_seconds)))
+                    expired.append((fileitem, int(inactive_seconds)))
                     affected_job_ids.add(mediaid)
 
             self.__remove_done_job_groups(affected_job_ids)
         return expired
 
-    def running_task(self, task: TransferTask):
+    def running_task(self, task: TransferTask) -> None:
         """
         设置任务为运行中，并刷新外部异步任务的状态心跳。
         """
@@ -1478,15 +1542,15 @@ class JobManager:
             if __mediaid__ not in self._job_view:
                 return
             # 更新状态
-            for t in self._job_view[__mediaid__].tasks:
+            for t in _job_tasks(self._job_view[__mediaid__]):
                 if t.fileitem == task.fileitem:
                     t.state = "running"
-                    file_key = self.__get_file_key(t.fileitem)
+                    file_key = self.__get_file_key(_job_task_fileitem(t))
                     if file_key:
                         self._task_state_changed_at[file_key] = monotonic()
                     break
 
-    def finish_task(self, task: TransferTask):
+    def finish_task(self, task: TransferTask) -> None:
         """
         设置任务为完成/成功
         """
@@ -1495,15 +1559,15 @@ class JobManager:
             if __mediaid__ not in self._job_view:
                 return
             # 更新状态
-            for t in self._job_view[__mediaid__].tasks:
+            for t in _job_tasks(self._job_view[__mediaid__]):
                 if t.fileitem == task.fileitem:
                     t.state = "completed"
-                    file_key = self.__get_file_key(t.fileitem)
+                    file_key = self.__get_file_key(_job_task_fileitem(t))
                     if file_key:
                         self._task_state_changed_at[file_key] = monotonic()
                     break
 
-    def fail_task(self, task: TransferTask):
+    def fail_task(self, task: TransferTask) -> None:
         """
         设置任务为失败
         """
@@ -1512,10 +1576,10 @@ class JobManager:
             if __mediaid__ not in self._job_view:
                 return
             # 更新状态
-            for t in self._job_view[__mediaid__].tasks:
+            for t in _job_tasks(self._job_view[__mediaid__]):
                 if t.fileitem == task.fileitem:
                     t.state = "failed"
-                    file_key = self.__get_file_key(t.fileitem)
+                    file_key = self.__get_file_key(_job_task_fileitem(t))
                     if file_key:
                         self._task_state_changed_at[file_key] = monotonic()
                     break
@@ -1523,10 +1587,10 @@ class JobManager:
             if __mediaid__ in self._season_episodes:
                 self._season_episodes[__mediaid__] = list(
                     set(self._season_episodes[__mediaid__])
-                    - set(task.meta.episode_list)
+                    - set(_transfer_task_meta(task).episode_list)
                 )
 
-    def fail_unfinished_task(self, task: TransferTask):
+    def fail_unfinished_task(self, task: TransferTask) -> None:
         """
         将指定任务视图中的非终态任务标记为失败
         """
@@ -1537,8 +1601,8 @@ class JobManager:
             return
         with job_lock:
             for mediaid, job in self._job_view.items():
-                for job_task in job.tasks:
-                    if self.__get_file_key(job_task.fileitem) != file_key:
+                for job_task in _job_tasks(job):
+                    if self.__get_file_key(_job_task_fileitem(job_task)) != file_key:
                         continue
                     if job_task.state not in ["completed", "failed"]:
                         job_task.state = "failed"
@@ -1546,7 +1610,7 @@ class JobManager:
                         if mediaid in self._season_episodes:
                             self._season_episodes[mediaid] = list(
                                 set(self._season_episodes[mediaid])
-                                - set(task.meta.episode_list)
+                                - set(_transfer_task_meta(task).episode_list)
                             )
                     return
 
@@ -1561,7 +1625,7 @@ class JobManager:
             self,
             fileitem: FileItem,
             preserve_execution: bool = False,
-    ) -> Tuple[Optional[TransferJobTask], Optional[Tuple]]:
+    ) -> tuple[Optional[TransferJobTask], Optional[JobId]]:
         """
         根据文件项移除任务，并返回任务所在的作业ID
         """
@@ -1571,14 +1635,14 @@ class JobManager:
         with job_lock:
             for mediaid in list(self._job_view):
                 job = self._job_view[mediaid]
-                for task in job.tasks:
-                    if self.__get_file_key(task.fileitem) == file_key:
-                        job.tasks.remove(task)
+                for task in _job_tasks(job):
+                    if self.__get_file_key(_job_task_fileitem(task)) == file_key:
+                        _job_tasks(job).remove(task)
                         self._task_state_changed_at.pop(file_key, None)
                         if not preserve_execution:
                             self._active_executions.discard(file_key)
                         # 如果没有作业了，则移除作业
-                        if not job.tasks:
+                        if not _job_tasks(job):
                             self._job_view.pop(mediaid)
                         # 移除季集信息
                         if mediaid in self._season_episodes:
@@ -1602,16 +1666,15 @@ class JobManager:
                 return job
             return None
 
-    def try_remove_job(self, task: TransferTask):
+    def try_remove_job(self, task: TransferTask) -> None:
         """
         尝试移除任务对应的作业（严格检查未完成作业，线程安全）
         """
         with job_lock:
-            __metaid__ = self.__get_meta_id(
-                meta=task.meta, season=task.meta.begin_season
-            )
+            meta = _transfer_task_meta(task)
+            __metaid__ = self.__get_meta_id(meta=meta, season=meta.begin_season)
             __mediaid__ = self.__get_media_id(
-                media=task.mediainfo, season=task.meta.begin_season
+                media=task.mediainfo, season=meta.begin_season
             )
 
             related_media_ids = set(self._meta_to_media_ids.get(__metaid__, set()))
@@ -1634,23 +1697,22 @@ class JobManager:
         检查任务对应的作业是否整理完成（不管成功还是失败）
         """
         with job_lock:
-            __metaid__ = self.__get_meta_id(
-                meta=task.meta, season=task.meta.begin_season
-            )
+            meta = _transfer_task_meta(task)
+            __metaid__ = self.__get_meta_id(meta=meta, season=meta.begin_season)
             __mediaid__ = self.__get_media_id(
-                media=task.mediainfo, season=task.meta.begin_season
+                media=task.mediainfo, season=meta.begin_season
             )
             if __metaid__ in self._job_view:
                 meta_done = all(
                     task.state in ["completed", "failed"]
-                    for task in self._job_view[__metaid__].tasks
+                    for task in _job_tasks(self._job_view[__metaid__])
                 )
             else:
                 meta_done = True
             if __mediaid__ in self._job_view:
                 media_done = all(
                     task.state in ["completed", "failed"]
-                    for task in self._job_view[__mediaid__].tasks
+                    for task in _job_tasks(self._job_view[__mediaid__])
                 )
             else:
                 media_done = True
@@ -1661,21 +1723,20 @@ class JobManager:
         检查任务对应的作业是否已完成且有成功的记录
         """
         with job_lock:
-            __metaid__ = self.__get_meta_id(
-                meta=task.meta, season=task.meta.begin_season
-            )
+            meta = _transfer_task_meta(task)
+            __metaid__ = self.__get_meta_id(meta=meta, season=meta.begin_season)
             __mediaid__ = self.__get_media_id(
-                media=task.mediainfo, season=task.meta.begin_season
+                media=task.mediainfo, season=meta.begin_season
             )
             if __metaid__ in self._job_view:
                 meta_finished = all(
                     task.state in ["completed", "failed"]
-                    for task in self._job_view[__metaid__].tasks
+                    for task in _job_tasks(self._job_view[__metaid__])
                 )
             else:
                 meta_finished = True
             if __mediaid__ in self._job_view:
-                tasks = self._job_view[__mediaid__].tasks
+                tasks = _job_tasks(self._job_view[__mediaid__])
                 media_finished = all(
                     task.state in ["completed", "failed"] for task in tasks
                 ) and any(task.state == "completed" for task in tasks)
@@ -1688,23 +1749,22 @@ class JobManager:
         检查任务对应的作业是否全部成功
         """
         with job_lock:
-            __metaid__ = self.__get_meta_id(
-                meta=task.meta, season=task.meta.begin_season
-            )
+            meta = _transfer_task_meta(task)
+            __metaid__ = self.__get_meta_id(meta=meta, season=meta.begin_season)
             __mediaid__ = self.__get_media_id(
-                media=task.mediainfo, season=task.meta.begin_season
+                media=task.mediainfo, season=meta.begin_season
             )
             if __metaid__ in self._job_view:
                 meta_success = all(
                     task.state in ["completed"]
-                    for task in self._job_view[__metaid__].tasks
+                    for task in _job_tasks(self._job_view[__metaid__])
                 )
             else:
                 meta_success = True
             if __mediaid__ in self._job_view:
                 media_success = all(
                     task.state in ["completed"]
-                    for task in self._job_view[__mediaid__].tasks
+                    for task in _job_tasks(self._job_view[__mediaid__])
                 )
             else:
                 media_success = True
@@ -1716,9 +1776,9 @@ class JobManager:
         """
         with job_lock:
             return {
-                task.download_hash
+                cast(str, task.download_hash)
                 for job in self._job_view.values()
-                for task in job.tasks
+                for task in _job_tasks(job)
             }
 
     def is_torrent_done(self, download_hash: str) -> bool:
@@ -1729,7 +1789,7 @@ class JobManager:
             if any(
                     task.state not in {"completed", "failed"}
                     for job in self._job_view.values()
-                    for task in job.tasks
+                    for task in _job_tasks(job)
                     if task.download_hash == download_hash
             ):
                 return False
@@ -1743,7 +1803,7 @@ class JobManager:
             if any(
                     task.state != "completed"
                     for job in self._job_view.values()
-                    for task in job.tasks
+                    for task in _job_tasks(job)
                     if task.download_hash == download_hash
             ):
                 return False
@@ -1767,7 +1827,7 @@ class JobManager:
             __metaid__ = self.__get_meta_id(meta=meta, season=season)
             return (
                     __metaid__ in self._job_view
-                    and len(self._job_view[__metaid__].tasks) > 0
+                    and len(_job_tasks(self._job_view[__metaid__])) > 0
             )
 
     def success_tasks(
@@ -1782,7 +1842,7 @@ class JobManager:
                 return []
             return [
                 task
-                for task in self._job_view[__mediaid__].tasks
+                for task in _job_tasks(self._job_view[__mediaid__])
                 if task.state == "completed"
             ]
 
@@ -1796,7 +1856,7 @@ class JobManager:
             __mediaid__ = self.__get_media_id(media=media, season=season)
             if __mediaid__ not in self._job_view:
                 return []
-            return self._job_view[__mediaid__].tasks
+            return _job_tasks(self._job_view[__mediaid__])
 
     def count(self, media: Union[MediaInfo, MusicInfo], season: Optional[int] = None) -> int:
         """
@@ -1809,7 +1869,7 @@ class JobManager:
             return len(
                 [
                     task
-                    for task in self._job_view[__mediaid__].tasks
+                    for task in _job_tasks(self._job_view[__mediaid__])
                     if task.state == "completed"
                 ]
             )
@@ -1824,14 +1884,8 @@ class JobManager:
                 return 0
             return sum(
                 [
-                    task.fileitem.size
-                    if task.fileitem.size is not None
-                    else (
-                        SystemUtils.get_directory_size(Path(task.fileitem.path))
-                        if task.fileitem.storage == "local"
-                        else 0
-                    )
-                    for task in self._job_view[__mediaid__].tasks
+                    _job_task_size(task)
+                    for task in _job_tasks(self._job_view[__mediaid__])
                     if task.state == "completed"
                 ]
             )
@@ -1841,7 +1895,7 @@ class JobManager:
         获取所有任务总数
         """
         with job_lock:
-            return sum([len(job.tasks) for job in self._job_view.values()])
+            return sum([len(_job_tasks(job)) for job in self._job_view.values()])
 
     def pending_total(self) -> int:
         """
@@ -1855,7 +1909,7 @@ class JobManager:
             return sum(
                 1
                 for job in self._job_view.values()
-                for task in job.tasks
+                for task in _job_tasks(job)
                 if task.state not in ("completed", "failed")
             )
 
@@ -1960,10 +2014,10 @@ class FailedRetryScheduler:
     def _build_retry_transfer_prompt(self, history_ids: list[int]) -> str:
         """根据失败记录数量构建统一的重试整理后台任务提示词。"""
         task_type, template_context = self._build_retry_transfer_template_context(history_ids)
-        return get_prompt_manager().render_system_task_message(
+        return cast(str, get_prompt_manager().render_system_task_message(
             task_type,
             template_context=template_context,
-        )
+        ))
 
     async def schedule_retry(self, history_id: int, group_key: str = "") -> None:
         """
diff --git a/app/chain/__init__.py b/app/chain/__init__.py
index b2161c652..b6ccd5315 100644
--- a/app/chain/__init__.py
+++ b/app/chain/__init__.py
@@ -36,7 +36,7 @@ from app.schemas.types import (
 from app.schemas.workflow import FileItem
 
 if TYPE_CHECKING:
-    from app.application.transfer import TransferPlanCheckpoint, TransferPlanningInput
+    from app.application.transfer.workflow import TransferPlanCheckpoint, TransferPlanningInput
 
 
 class ChainBase(RecognitionMixin, MessageProcessingMixin, NotificationMixin,
diff --git a/app/chain/_transfer.py b/app/chain/_transfer.py
index c6a8eb695..546a54345 100644
--- a/app/chain/_transfer.py
+++ b/app/chain/_transfer.py
@@ -14,7 +14,6 @@ from typing import Any, Callable, Dict, List, Optional, Tuple, Union, cast
 from app.adapters.system.host import SystemUtils
 from app.application.agent import build_manual_redo_prompt, get_running_agent_manager
 from app.application.chain.data import (
-    get_chain_download_history_port,
     get_chain_transfer_execution_port,
     get_chain_transfer_history_port,
 )
@@ -24,17 +23,12 @@ from app.application.configuration import (
 )
 from app.application.formatting import EpisodeFormatRuleHelper
 from app.application.history import clear_transfer_failures, resolve_history
-from app.application.transfer import TransferTask, job_lock
-from app.application.transfer_execution import TransferExecutionCommand
+from app.application.transfer.execution import TransferExecutionCommand
+from app.application.transfer.workflow import TransferTask, job_lock
 from app.chain._contracts import TransferMixinHost
 from app.chain.media import MediaChain
 from app.chain.storage import StorageChain
 from app.chain.subscribe import SubscribeChain
-
-# 旧测试与插件补丁入口；正式依赖通过宿主工厂逐步收敛。
-MediaChain = MediaChain
-StorageChain = StorageChain
-SubscribeChain = SubscribeChain
 from app.domain.context import MediaInfo, MusicInfo
 from app.domain.media import normalize_music_type
 from app.domain.meta.metabase import MetaBase
diff --git a/app/chain/transfer.py b/app/chain/transfer.py
index 636a9a56e..9621e3b40 100755
--- a/app/chain/transfer.py
+++ b/app/chain/transfer.py
@@ -24,7 +24,7 @@ from app.application.chain.data import (
     get_chain_transfer_history_port,
     get_chain_transfer_pending_port,
 )
-from app.application.chain.durable_events import TransferResultSettlement
+from app.application.chain.events import TransferResultSettlement
 from app.application.configuration import get_configured_system_config
 from app.application.directory import DirectoryHelper
 from app.application.formatting import FormatParser
@@ -46,7 +46,21 @@ from app.application.outbox import (
     TRANSFER_COMPLETED_TOPIC,
     TRANSFER_FAILED_TOPIC,
 )
-from app.application.transfer import (
+from app.application.transfer.execution import (
+    TransferExecutionCheckpoint,
+    TransferExecutionCommand,
+    TransferExecutionConflictError,
+    TransferExecutionRepository,
+    TransferExecutionSnapshot,
+    TransferExecutionState,
+    TransferOperationObservation,
+    TransferOperationObservationState,
+    TransferSettlementResult,
+    TransferStepIntent,
+    TransferStepResult,
+    TransferStepState,
+)
+from app.application.transfer.workflow import (
     FailedRetryScheduler,
     JobManager,
     TransferAdmission,
@@ -64,20 +78,6 @@ from app.application.transfer import (
     build_transfer_failure_group_key,
     job_lock,
 )
-from app.application.transfer_execution import (
-    TransferExecutionCheckpoint,
-    TransferExecutionCommand,
-    TransferExecutionConflictError,
-    TransferExecutionRepository,
-    TransferExecutionSnapshot,
-    TransferExecutionState,
-    TransferOperationObservation,
-    TransferOperationObservationState,
-    TransferSettlementResult,
-    TransferStepIntent,
-    TransferStepResult,
-    TransferStepState,
-)
 from app.chain import ChainBase
 from app.chain._transfer import (
     EpisodeFormatMixin,
diff --git a/app/db/adapters/chain.py b/app/db/adapters/chain.py
index ee422b13d..639b8a2d0 100644
--- a/app/db/adapters/chain.py
+++ b/app/db/adapters/chain.py
@@ -10,7 +10,7 @@ from typing import Any
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import Session
 
-from app.application.chain.durable_events import (
+from app.application.chain.events import (
     ChainDurableEventWriter,
     TransferHistoryRef,
     TransferResultSettlement,
@@ -25,7 +25,7 @@ from app.application.outbox import (
     DurableEventCommand,
     OutboxIntent,
 )
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionConflictError,
     TransferExecutionLeaseLostError,
     TransferExecutionState,
diff --git a/app/db/adapters/transfer/__init__.py b/app/db/adapters/transfer/__init__.py
new file mode 100644
index 000000000..70ed86a95
--- /dev/null
+++ b/app/db/adapters/transfer/__init__.py
@@ -0,0 +1 @@
+"""转移接纳与持久执行的数据库适配器包。"""
diff --git a/app/db/adapters/transfer.py b/app/db/adapters/transfer/admission.py
similarity index 99%
rename from app/db/adapters/transfer.py
rename to app/db/adapters/transfer/admission.py
index 5cac4dd46..61fb5c854 100644
--- a/app/db/adapters/transfer.py
+++ b/app/db/adapters/transfer/admission.py
@@ -10,7 +10,7 @@ from uuid import uuid4
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import Session
 
-from app.application.transfer import (
+from app.application.transfer.workflow import (
     TRANSFER_ADMISSION_ACCEPTED,
     TRANSFER_ADMISSION_PLANNED,
     TRANSFER_ADMISSION_PROVIDER_PENDING,
diff --git a/app/db/adapters/transfer_execution.py b/app/db/adapters/transfer/execution.py
similarity index 99%
rename from app/db/adapters/transfer_execution.py
rename to app/db/adapters/transfer/execution.py
index f8a34793c..c81ff9d2e 100644
--- a/app/db/adapters/transfer_execution.py
+++ b/app/db/adapters/transfer/execution.py
@@ -10,7 +10,7 @@ from sqlalchemy import and_, func, or_, select
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import Session
 
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCheckpoint,
     TransferExecutionConflictError,
     TransferExecutionLeaseLostError,
diff --git a/app/modules/filemanager/module.py b/app/modules/filemanager/module.py
index 2d3585563..fd9c5f05b 100644
--- a/app/modules/filemanager/module.py
+++ b/app/modules/filemanager/module.py
@@ -4,8 +4,8 @@ from typing import Any, Callable, Dict, List, Optional, Tuple, Union
 from app.adapters.system.host import SystemUtils
 from app.application.directory import DirectoryHelper
 from app.application.messaging.message import MessageHelper
-from app.application.transfer import TransferPlanCheckpoint, TransferPlanningInput
-from app.application.transfer_execution import TransferStepRunner
+from app.application.transfer.execution import TransferStepRunner
+from app.application.transfer.workflow import TransferPlanCheckpoint, TransferPlanningInput
 from app.domain.context import MediaInfo, MusicInfo
 from app.domain.meta.metabase import MetaBase
 from app.domain.meta.metamusic import MetaMusic
diff --git a/app/modules/filemanager/transhandler.py b/app/modules/filemanager/transhandler.py
index 61a41c5d9..579c13fc6 100644
--- a/app/modules/filemanager/transhandler.py
+++ b/app/modules/filemanager/transhandler.py
@@ -10,17 +10,17 @@ from app.adapters.system.host import SystemUtils
 from app.application.audio import AudioMetadataHelper
 from app.application.directory import DirectoryHelper
 from app.application.messaging.message import TemplateHelper
-from app.application.transfer import (
-    TransferPlanCheckpoint,
-    TransferPlanItem,
-    TransferPlanningInput,
-)
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferOperationObservation,
     TransferOperationObservationState,
     TransferStepResult,
     TransferStepRunner,
 )
+from app.application.transfer.workflow import (
+    TransferPlanCheckpoint,
+    TransferPlanItem,
+    TransferPlanningInput,
+)
 from app.domain.context import MediaInfo, MusicInfo
 from app.domain.meta.metabase import MetaBase
 from app.domain.meta.metamusic import MetaMusic
diff --git a/app/runtime/compat/manifest.py b/app/runtime/compat/manifest.py
index 535439b51..2d05c3d79 100644
--- a/app/runtime/compat/manifest.py
+++ b/app/runtime/compat/manifest.py
@@ -56,6 +56,24 @@ MODULE_ALIASES: Dict[str, ModuleAlias] = {
         introduced="v3.0.0",
         owner="application",
     ),
+    "app.application.chain.durable_events": ModuleAlias(
+        target="app.application.chain.events",
+        replacement="app.application.chain.events",
+        introduced="v3.0.0",
+        owner="application",
+    ),
+    "app.application.transfer_execution": ModuleAlias(
+        target="app.application.transfer.execution",
+        replacement="app.application.transfer.execution",
+        introduced="v3.0.0",
+        owner="application",
+    ),
+    "app.runtime.managed_resources": ModuleAlias(
+        target="app.runtime.resources",
+        replacement="app.runtime.resources",
+        introduced="v3.0.0",
+        owner="runtime",
+    ),
     "app.db.agentchat_oper": ModuleAlias(
         target="app.db.oper.agentchat",
         replacement="app.db.oper.agentchat",
@@ -136,7 +154,7 @@ MODULE_ALIASES: Dict[str, ModuleAlias] = {
     ),
     "app.db.transferpending_oper": ModuleAlias(
         target="app.sdk._legacy.transferpending",
-        replacement="app.application.transfer",
+        replacement="app.application.transfer.workflow",
         introduced="v3.0.0",
         owner="sdk",
     ),
@@ -756,6 +774,14 @@ _MESSAGE_NOTIFICATION_SYMBOL_ALIASES: Dict[str, SymbolAlias] = {
 }
 
 SYMBOL_ALIASES: Dict[str, Dict[str, SymbolAlias]] = {
+    "app.application.transfer": {
+        name: SymbolAlias(
+            target_module="app.sdk._legacy.transfer",
+            target_name=name,
+            replacement=f"app.application.transfer.workflow.{name}",
+        )
+        for name in ("TransferTask", "TransferQueue")
+    },
     "app.agent.orchestrator": {
         "AgentChain": SymbolAlias(
             target_module="app.chain.agent",
@@ -806,7 +832,7 @@ SYMBOL_ALIASES: Dict[str, Dict[str, SymbolAlias]] = {
             name: SymbolAlias(
                 target_module="app.sdk._legacy.transfer",
                 target_name=name,
-                replacement=f"app.application.transfer.{name}",
+                replacement=f"app.application.transfer.workflow.{name}",
             )
             for name in ("TransferTask", "TransferQueue")
         },
@@ -817,7 +843,7 @@ SYMBOL_ALIASES: Dict[str, Dict[str, SymbolAlias]] = {
             name: SymbolAlias(
                 target_module="app.sdk._legacy.transfer",
                 target_name=name,
-                replacement=f"app.application.transfer.{name}",
+                replacement=f"app.application.transfer.workflow.{name}",
             )
             for name in ("TransferTask", "TransferQueue")
         },
diff --git a/app/runtime/extensions/managed_resource_adapter.py b/app/runtime/extensions/resource.py
similarity index 99%
rename from app/runtime/extensions/managed_resource_adapter.py
rename to app/runtime/extensions/resource.py
index 86c9e5d47..20d5d0458 100644
--- a/app/runtime/extensions/managed_resource_adapter.py
+++ b/app/runtime/extensions/resource.py
@@ -15,12 +15,11 @@ from app.runtime.capabilities.model import (
     CapabilitySpec,
 )
 from app.runtime.capabilities.registry import CapabilityRegistry
-from app.runtime.managed_resources import (
+from app.runtime.resources import (
     MANAGED_RESOURCE_ASYNC_KIND,
     MANAGED_RESOURCE_SYNC_KIND,
 )
 
-
 _DEFAULT_RESOURCE_ROOT = Path(__file__).resolve().parents[2] / "adapters"
 _RESOURCE_KINDS = {MANAGED_RESOURCE_SYNC_KIND, MANAGED_RESOURCE_ASYNC_KIND}
 
diff --git a/app/runtime/managed_resources.py b/app/runtime/resources.py
similarity index 96%
rename from app/runtime/managed_resources.py
rename to app/runtime/resources.py
index 2f3dcab93..73c95aa5a 100644
--- a/app/runtime/managed_resources.py
+++ b/app/runtime/resources.py
@@ -4,8 +4,7 @@ from __future__ import annotations
 
 import asyncio
 import threading
-from typing import Any, Optional, Protocol
-
+from typing import Any, Literal, Optional, Protocol, overload
 
 MANAGED_RESOURCE_SYNC_KIND = "managed_resource.sync"
 MANAGED_RESOURCE_ASYNC_KIND = "managed_resource.async"
@@ -65,6 +64,14 @@ def configure_managed_resource_runtime(runtime: ManagedResourceRuntime) -> None:
         _managed_resource_runtime = runtime
 
 
+@overload
+def _runtime(*, required: Literal[True]) -> ManagedResourceRuntime: ...
+
+
+@overload
+def _runtime(*, required: Literal[False]) -> Optional[ManagedResourceRuntime]: ...
+
+
 def _runtime(*, required: bool) -> Optional[ManagedResourceRuntime]:
     """读取当前 Runtime；资源使用路径要求启动组合已经完成装配。"""
     with _runtime_lock:
diff --git a/app/schemas/transfer.py b/app/schemas/transfer.py
index 5065dca3c..581048633 100644
--- a/app/schemas/transfer.py
+++ b/app/schemas/transfer.py
@@ -1,15 +1,14 @@
 from pathlib import Path
-from typing import Literal, List, Optional, Union
+from typing import List, Literal, Optional, Union
 
 from pydantic import BaseModel, ConfigDict, Field, model_validator
 
 from app.schemas.common import JsonData
-from app.schemas.media import OptionalMediaIdentityMixin
-from app.schemas.types import MediaSource, MusicTargetEntityType
-
-from app.schemas.context import MetaInfo, MediaInfo
-from app.schemas.music import MusicInfo, MusicMeta
+from app.schemas.context import MediaInfo, MetaInfo
 from app.schemas.file import FileItem
+from app.schemas.media import OptionalMediaIdentityMixin
+from app.schemas.music import MusicInfo, MusicMeta
+from app.schemas.types import MediaSource, MusicTargetEntityType
 
 
 class DownloaderTorrent(BaseModel):
@@ -88,7 +87,7 @@ class DownloadingTorrent(DownloaderTorrent):
     """
 
 
-# TransferTask 已迁至 app/application/transfer.py：它是整理链的进程内工作项，装的是
+# TransferTask 已迁至 app/application/transfer/workflow.py：它是整理链的进程内工作项，装的是
 # 领域对象而非 DTO，留在这里只能把两个字段标成 Any——app.schemas 命名领域类型会让
 # app.schemas -> app.schemas.transfer -> app.domain.* -> app.schemas.types -> app.schemas
 # 闭环。下面的 TransferJob / TransferJobTask 才是它面向前端的投影，用本包的同名 DTO。
diff --git a/app/sdk/_legacy/transfer.py b/app/sdk/_legacy/transfer.py
index e617209d5..24992e560 100644
--- a/app/sdk/_legacy/transfer.py
+++ b/app/sdk/_legacy/transfer.py
@@ -2,8 +2,10 @@
 
 from typing import Any, Optional
 
-from app.application.transfer import (
+from app.application.transfer.workflow import (
     TransferQueue as CanonicalTransferQueue,
+)
+from app.application.transfer.workflow import (
     TransferTask as CanonicalTransferTask,
 )
 
diff --git a/app/startup/initializers/modules.py b/app/startup/initializers/modules.py
index eee8d49e4..9ebe1256b 100644
--- a/app/startup/initializers/modules.py
+++ b/app/startup/initializers/modules.py
@@ -44,7 +44,7 @@ from app.application.chain.context import (
     configure_chain_runtime_context_provider,
 )
 from app.application.chain.data import configure_chain_data_ports, get_chain_data_ports
-from app.application.chain.durable_events import (
+from app.application.chain.events import (
     restore_download_added,
     restore_transfer_result,
 )
@@ -110,8 +110,8 @@ from app.db.adapters.outbox import SqlAlchemyAsyncOutboxStager, SqlAlchemyOutbox
 from app.db.adapters.site import TransactionalSiteRepository
 from app.db.adapters.subscription import TransactionalSubscribeWriter
 from app.db.adapters.transaction import TransactionalWriteRunner
-from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
-from app.db.adapters.transfer_execution import (
+from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
+from app.db.adapters.transfer.execution import (
     TransactionalTransferExecutionRepository,
 )
 from app.db.adapters.workflow import TransactionalWorkflowExecutionService
@@ -189,7 +189,7 @@ from app.startup.composition.subscription import (
     configure_transactional_subscription_scopes,
 )
 from app.startup.initializers.agent import init_agent
-from app.startup.initializers.managed_resources import (
+from app.startup.initializers.resources import (
     init_managed_resources,
     stop_managed_resources,
 )
diff --git a/app/startup/initializers/plugins.py b/app/startup/initializers/plugins.py
index 8d7e6e9dc..dae08cc35 100644
--- a/app/startup/initializers/plugins.py
+++ b/app/startup/initializers/plugins.py
@@ -79,7 +79,7 @@ from app.runtime.extensions.plugin_manager import (
     configure_site_auth_level_provider,
 )
 from app.runtime.log import logger
-from app.runtime.managed_resources import acquire_managed_resource
+from app.runtime.resources import acquire_managed_resource
 from app.runtime.settings import get_runtime_setting
 from app.schemas.exception import PluginMutationRejectedError
 from app.schemas.plugin import PluginRuntimeStatus
diff --git a/app/startup/initializers/managed_resources.py b/app/startup/initializers/resources.py
similarity index 93%
rename from app/startup/initializers/managed_resources.py
rename to app/startup/initializers/resources.py
index 1bb33d6e5..7902ee42d 100644
--- a/app/startup/initializers/managed_resources.py
+++ b/app/startup/initializers/resources.py
@@ -6,12 +6,12 @@ import threading
 from typing import Optional
 
 from app.runtime.capabilities.runtime import CapabilityRuntime
-from app.runtime.extensions.managed_resource_adapter import (
+from app.runtime.extensions.resource import (
     AsyncManagedResourceAdapter,
     SyncManagedResourceAdapter,
     build_managed_resource_registry,
 )
-from app.runtime.managed_resources import (
+from app.runtime.resources import (
     MANAGED_RESOURCE_ASYNC_KIND,
     MANAGED_RESOURCE_SYNC_KIND,
     configure_managed_resource_runtime,
diff --git a/docs/architecture-optimization-checklist.md b/docs/architecture-optimization-checklist.md
index 41b26d173..edce89cbe 100644
--- a/docs/architecture-optimization-checklist.md
+++ b/docs/architecture-optimization-checklist.md
@@ -69,7 +69,7 @@ MoviePilot V3 已经形成较清晰的模块化单体：`foundation`、`domain`
 
 | 指标 | 当前值 | 解释 |
 |---|---:|---|
-| 宿主 Python 模块 / 内部依赖边 | 842 / 6,882 | `dependency-baseline.json` 当前快照 |
+| 宿主 Python 模块 / 内部依赖边 | 844 / 6,898 | `dependency-baseline.json` 当前快照 |
 | 非平凡 SCC | 2 | 新增 Chain 包根环；另一个是隔离的 29 模块 TMDB 移植包环 |
 | 跨层 DB 边界债务 | 0 | Application、Chain、API、Agent、Runtime、Workflow 到 DB 的受控债务均为零 |
 | Model/Oper 事务债务 | 0 | 自建 Session、自动事务装饰器、直接 commit/rollback 等基线均为零 |
@@ -77,9 +77,9 @@ MoviePilot V3 已经形成较清晰的模块化单体：`foundation`、`domain`
 | Event Contract | 53 | 均已有 payload model，但当前全部是 diagnostic enforcement |
 | Python 源码量 | 约 271,400 行 | 60 个文件超过 1,000 行，14 个超过 2,000 行 |
 | 长方法 | 281 个超过 80 行 | 67 个超过 150 行，23 个超过 250 行；大量是私有方法 |
-| 全量 mypy 历史债务 | 11,983 / 601 文件 | strict frontier 当前只覆盖 41 个文件，且 ratchet 已新增 2 个错误 |
-| Ruff 历史诊断 | 929 | 低水位门禁通过，但规则集只覆盖 `E4/E7/E9/F/I` |
-| 覆盖率低水位 | Application 78.24%，Domain 79.29% | Chain、Runtime、Agent、Adapter、Startup 未进入包级覆盖率门禁 |
+| 全量 mypy 历史债务 | 11,827 / 596 文件 | strict frontier 当前覆盖 41 个文件，本批迁移路径的类型债务已清零 |
+| Ruff 历史诊断 | 889 | 低水位门禁通过，但规则集只覆盖 `E4/E7/E9/F/I` |
+| 覆盖率低水位 | Application 78.63%，Domain 79.29% | Chain、Runtime、Agent、Adapter、Startup 未进入包级覆盖率门禁 |
 
 ### 3.3 热点文件
 
diff --git a/docs/architecture-overview.md b/docs/architecture-overview.md
index d63fe97a0..3a9265edd 100644
--- a/docs/architecture-overview.md
+++ b/docs/architecture-overview.md
@@ -200,7 +200,7 @@ Chain/Agent 的 `Any` factory 和裸 Oper 仍需迁移为类型化 Port/DTO，
 | `app/adapters/web/` | Web 技术适配：动态插件路由注册、认证依赖和 OpenAPI 重建；不承载插件路由用例 | `plugin/routes.py` |
 | `app/adapters/observability/` | 可选观测技术适配；核心层只依赖 `runtime/observability` 定义的窄端口 | `otel.py` |
 | `app/application/` | 读取配置/持久化状态的聚焦应用服务：识别、过滤、通知、RSS、站点、下载器、媒体服务器、存储、整理规则、可靠副作用等；同一主题拆成子包 | `recognition.py`、`rules.py`、`rss.py`、`outbox.py`、`site/`、`subscription/`、`plugin/` |
-| `app/application/chain/` | Chain 运行时上下文、跨领域数据端口和 durable event 命令；将组合根注入的能力以命名 getter 暴露给 Chain | `context.py`、`data.py`、`durable_events.py` |
+| `app/application/chain/` | Chain 运行时上下文、跨领域数据端口和 durable event 命令；将组合根注入的能力以命名 getter 暴露给 Chain | `context.py`、`data.py`、`events.py` |
 | `app/application/subscription/` | 订阅新增、查询、变更、删除、媒体身份与搜索契约 | `write.py`、`contract.py`、`mutation.py`、`delete.py`、`identity.py`、`search.py` |
 | `app/application/plugin/` | 插件市场、安装、运行时端口、文件夹操作和动态路由用例；具体 FastAPI 路由适配器在 adapters 层 | `catalog.py`、`install.py`、`runtime.py`、`folders.py`、`routes.py` |
 | `app/application/messaging/` | 渠道回环入口、消息渲染/路由、命令交互会话、插件按钮回调、Agent 消息桥接 | `ingress.py`、`message.py`、`router.py`、`agent.py` |
@@ -458,7 +458,7 @@ flowchart LR
 |---|---|
 | **Config Reload** | 继承 `ConfigReloadMixin` 并声明 `CONFIG_WATCH`，配置变更时自动重建长生命周期对象（如下载器客户端重连） |
 | **Singleton** | `EventManager`、`ModuleManager`、`PluginManager` 等全局共享管理器继承 `foundation/singleton.py` 的 `Singleton` |
-| **Managed Resource** | 可选进程级技术资源（浏览器、虚拟显示等）以 data-only `capability.toml` 声明，`runtime/extensions` 解释生命周期，`startup` 构建 Runtime，消费者经 `runtime/managed_resources.py` 显式获取；插件使用浏览器走 `app.sdk.browser` |
+| **Managed Resource** | 可选进程级技术资源（浏览器、虚拟显示等）以 data-only `capability.toml` 声明，`runtime/extensions` 解释生命周期，`startup` 构建 Runtime，消费者经 `runtime/resources.py` 显式获取；插件使用浏览器走 `app.sdk.browser` |
 | **Observability** | `runtime/observability` 定义低基数指标和默认 no-op 端口，Startup 可选装配 OTel；HTTP、DB、Event、Module、Scheduler、插件生命周期和 Agent 只提交白名单标签 |
 
 ---
@@ -631,7 +631,7 @@ flowchart LR
         RE["events.py<br/>事件总线"]
         RL["log.py<br/>日志运行时（依赖叶子）"]
         RCA["cache.py<br/>缓存协议 / 内存后端 / 装饰器"]
-        MR["managed_resources.py<br/>托管资源门面"]
+        MR["resources.py<br/>托管资源门面"]
     end
 
     subgraph adapters["app/adapters（具体 I/O）"]
@@ -704,8 +704,8 @@ flowchart LR
 
 | 指标 | 当前值 |
 |---|---:|
-| Python 模块 | 842 |
-| 内部导入边 | 6,882 |
+| Python 模块 | 844 |
+| 内部导入边 | 6,898 |
 | 非平凡 SCC | 2（`ARCH-107` 临时 Chain 包根环；精确 containment 的 TMDB 移植包环） |
 | Direct egress | 66（12 条待迁移债务，54 条精确 containment） |
 | Module Contract V2 spec | 217（其中 215 个进入 `run_module` 观察面） |
diff --git a/docs/architecture-refactor-roadmap.md b/docs/architecture-refactor-roadmap.md
index 03b312009..dbef163da 100644
--- a/docs/architecture-refactor-roadmap.md
+++ b/docs/architecture-refactor-roadmap.md
@@ -144,7 +144,7 @@ G-ARCH 只有在以下条件全部满足后才可完成：
 | S4-L2 Event strict contract | `PLANNED` | S0-L2.6,S1-L6 | 宿主事件输入/输出按风险 strict，诊断例外只属于第三方插件兼容 |
 | S4-L3 Complexity v2 | `PLANNED` | S3 | 私有方法、class/file、圈复杂度进入门禁；所有超限通过职责拆分归零 |
 | S4-L4 全量 mypy 清零 | `PLANNED` | S3,S4-L1,S4-L2 | `mypy-baseline.json` 归零并删除债务接受路径，全宿主 strict 类型通过 |
-| S4-L5 Ruff 治理债务清零 | `PLANNED` | S3 | 当前受控 929 条诊断归零，规则集扩展经过独立审查且新增诊断为零 |
+| S4-L5 Ruff 治理债务清零 | `PLANNED` | S3 | 当前受控 889 条诊断归零，规则集扩展经过独立审查且新增诊断为零 |
 | S4-L6 Coverage/并发/质量证据 | `PLANNED` | S3,S4-L1,S4-L2 | 高风险包纳入 coverage；raw concurrency 分类清零；Module Quality 有真实 evidence test |
 
 ### S5：Plugin、Agent、Domain、Startup 与最终收口
@@ -175,7 +175,7 @@ planning、lease、幂等执行或终态恢复已经完成。
 
 **Ownership**
 
-- `app/application/transfer.py` 拥有 admission DTO、Protocol、结果语义与 persist-before-enqueue 编排。
+- `app/application/transfer/workflow.py` 拥有 admission DTO、Protocol、结果语义与 persist-before-enqueue 编排。
 - `app/db/adapters/` 提供短 Session/UoW 的 Transfer pending 持久化实现；`app/db/oper/` 只接收
   adapter 拥有的 Session 并 stage/flush。
 - `app/startup/` 负责构造并注入 adapter，宿主 Chain 不再取得 raw/`Any` `TransferPendingOper`。
@@ -242,11 +242,11 @@ git diff --check
 
 **Ownership and compatibility**
 
-- `app/application/transfer.py` 拥有 planning input、plan item、checkpoint 和状态错误合同；JSON 版本、
+- `app/application/transfer/workflow.py` 拥有 planning input、plan item、checkpoint 和状态错误合同；JSON 版本、
   指纹及 resolved 上下文均可跨进程 round-trip。
 - `app/modules/filemanager/transhandler.py` 是唯一目标规划与文件执行实现；`FileManagerModule.transfer`
   与 `TransHandler.transfer_media` 已删除，不保留第二套重命名、覆盖或目录递归逻辑。
-- `app/db/adapters/transfer.py` 通过短 Session/UoW 提交 checkpoint；Oper 只负责带状态和指纹条件的
+- `app/db/adapters/transfer/admission.py` 通过短 Session/UoW 提交 checkpoint；Oper 只负责带状态和指纹条件的
   stage，3.0.14 migration 可升级、降级并在中断后重跑。
 - cleanup intent 随准入输入冻结。宿主路径由 FileManager 在 `TransferIntercept` 放行后、任何文件写入前
   执行；legacy provider 路径为保持旧 ABI 顺序，在全部冻结引用解析成功后、调用 provider 前执行。
diff --git a/docs/rules/05-architecture.md b/docs/rules/05-architecture.md
index a30323c1c..c76f7e21d 100644
--- a/docs/rules/05-architecture.md
+++ b/docs/rules/05-architecture.md
@@ -65,10 +65,10 @@ to make the directory tree look symmetrical.
 | `app/application/search/` | Search state and later search-plan use cases |
 | `app/application/download/` | Download task querying/control and later submission use cases |
 | `app/application/music/` | Multi-source music catalog orchestration |
-| `app/application/chain/` | Injectable Chain runtime context and compatibility provider |
+| `app/application/chain/` | Injectable Chain runtime capabilities: `context.py` owns the runtime dependency aggregate, `data.py` owns named persistence ports, and `events.py` owns durable event write contracts plus replayable payload conversion |
 | `app/application/agentdata.py` | Named Agent data ports; canonical Agent consumers use `get_agent_*_port()` and do not alias legacy proxies to Oper classes |
 | `app/application/outbox.py` | Durable intent and Outbox repository/dispatcher contracts for post-commit side effects |
-| `app/application/transfer_execution.py` | Durable transfer execution contracts: stable operation identity, step/checkpoint state, retry/manual-review commands and terminal-settlement DTOs; contains no SQLAlchemy or external I/O |
+| `app/application/transfer/` | Durable transfer use cases: `workflow.py` owns admission/planning/queue behavior; `execution.py` owns stable operation identity, step/checkpoint state, retry/manual-review commands and terminal-settlement DTOs |
 | `app/application/plugin/` | Plugin market catalog, installation command, installed-plugin identity contract and startup migration, runtime port, folder operations and dynamic-route use cases; filenames remain single words (`catalog.py`, `identity.py`, `migration.py`, `install.py`, `runtime.py`, `folders.py`, `routes.py`) |
 | `app/application/server/` | MoviePilot Server reporting and sharing use cases; local data readers and transport callbacks are injected by startup |
 | `app/application/site/` | Configured site catalog, authentication level and index-resource capability; the generated extension and its data bundle stay together here |
@@ -94,7 +94,7 @@ directory categories.
 | `app/runtime/observability/` | Low-cardinality metric contracts and no-op-capable observation facade |
 | `app/runtime/log.py` | Complete console/plugin/file logging runtime and shutdown |
 | `app/runtime/cache.py` | Cache protocols, memory implementations, decorators and proxies |
-| `app/runtime/managed_resources.py` | Provider-neutral acquisition, observation and shutdown facade for process-owned optional resources |
+| `app/runtime/resources.py` | Provider-neutral acquisition, observation and shutdown facade for process-owned optional resources |
 | `app/runtime/tasks.py` | Lifespan-scoped ownership, cancellation and bounded shutdown waiting for in-process background tasks |
 | `app/runtime/execution.py` | Shared sync/async execution and cross-thread submission boundary with correlation propagation |
 | `app/runtime/correlation.py` | Request/cross-thread correlation context and safe propagation into logs and child work |
@@ -152,7 +152,7 @@ retained only for compatibility and is not a canonical Oper substitute.
 
 Durable transfer execution follows one explicit boundary. The Chain freezes each
 external file operation into the Application-owned contract in
-`app/application/transfer_execution.py`; `app/db/adapters/transfer_execution.py`
+`app/application/transfer/execution.py`; `app/db/adapters/transfer/execution.py`
 uses short transactions to persist the task ledger and fences every state change
 with the current lease and attempt token. `app/db/oper/transferexecutionstep.py`
 remains table-oriented and never owns retry or recovery policy. External file I/O
@@ -206,7 +206,7 @@ mechanism remains in `app/adapters/system/resource.py`.
 可选的进程级技术资源使用 Managed Resource 合同：实现及其 data-only
 `capability.toml` 与适配器同目录，`runtime/extensions` 只解释通用的同步/异步
 `start`、`stop` 生命周期，`startup` 负责构建 Capability Runtime。声明必须使用
-`on_first_use`，普通启动只发现声明；消费者通过 `app/runtime/managed_resources.py`
+`on_first_use`，普通启动只发现声明；消费者通过 `app/runtime/resources.py`
 显式获取资源。关闭路径先释放消费者，再关闭已初始化 Runtime，未使用的资源不得因关闭而物化。
 应用级启动顺序使用 `app/startup/lifecycle/components.py` 的组件描述声明依赖、
 normal/safe-mode 范围、start/stop 顺序、超时预算和失败策略。新增进程级资源不得只在
@@ -484,9 +484,9 @@ Durable post-commit side effects have a separate boundary:
   must not replace an Outbox or persistent task table.
 
 Transfer durable admission follows the same ownership direction without using
-the Outbox as an execution queue: `app/application/transfer.py` owns the typed
+the Outbox as an execution queue: `app/application/transfer/workflow.py` owns the typed
 admission and versioned planning-checkpoint contracts, while
-`app/db/adapters/transfer.py` commits admission and the
+`app/db/adapters/transfer/admission.py` commits admission and the
 `accepted -> provider_pending -> planned` compare-and-set transitions in short
 Session/UoW scopes. `app/modules/filemanager/` owns the
 single pure-plan and checkpoint-execution implementation: all file writes occur
@@ -504,8 +504,8 @@ command; `FileManagerModule.transfer` and `TransHandler.transfer_media` must not
 be recreated.
 
 Transfer execution ownership is orthogonal to those planning phases.
-`app/application/transfer.py` defines the claim, heartbeat, release and fenced
-mutation Port; `app/db/adapters/transfer.py` implements each operation in a
+`app/application/transfer/workflow.py` defines the claim, heartbeat, release and fenced
+mutation Port; `app/db/adapters/transfer/admission.py` implements each operation in a
 short UoW with a unique lease token. Any active lease rejects another claim,
 including one from the same process owner. Expired leases may be taken over with
 a new token and incremented attempt count, while the stale token cannot renew,
@@ -659,8 +659,9 @@ driven workflow registration.
 | `app/application/subscription/write.py` | Subscription media translation and sync/async write-port orchestration |
 | `app/application/outbox.py` | Durable intent, topic handler and Outbox repository contracts |
 | `app/db/adapters/outbox.py` | SQLAlchemy Outbox persistence, claim/lease and retry state adapter |
-| `app/application/transfer.py` | Transfer task, durable admission, versioned planning input/checkpoint contracts and queue use case |
-| `app/db/adapters/transfer.py` | SQLAlchemy admission/checkpoint persistence, CAS state transition and detached snapshot adapter |
+| `app/application/chain/events.py` | Chain durable-event write port, settlement projection and replayable payload conversion |
+| `app/application/transfer/workflow.py` | Transfer task, durable admission, versioned planning input/checkpoint contracts and queue use case |
+| `app/db/adapters/transfer/admission.py` | SQLAlchemy admission/checkpoint persistence, CAS state transition and detached snapshot adapter |
 | `app/application/scheduling.py` | Runtime scheduler facade for Agent tools and endpoints; `Scheduler` class registered by `app/startup/initializers/scheduler.py` |
 | `app/application/commands.py` | Command registry facade for Agent tools and endpoints; `Command` class registered by `app/startup/initializers/command.py` |
 | `app/application/workflow.py` | Workflow use cases plus the runtime port consumed by API and Chain; `WorkFlowManager` is registered by `app/startup/initializers/workflow.py` |
@@ -700,8 +701,8 @@ driven workflow registration.
 | `app/adapters/external/plugin/client.py` | Plugin-market read adapter and cache-refresh boundary |
 | `app/adapters/system/plugin/package.py` | Plugin package installation adapter |
 | `app/adapters/system/plugin/dependency.py` | Plugin dependency inspection and installation adapter |
-| `app/runtime/extensions/managed_resource_adapter.py` | Data-only managed-resource registry and sync/async lifecycle adapters |
-| `app/runtime/managed_resources.py` | Lightweight acquisition, state observation and shutdown facade |
+| `app/runtime/extensions/resource.py` | Data-only managed-resource registry and sync/async lifecycle adapters |
+| `app/runtime/resources.py` | Lightweight acquisition, state observation and shutdown facade |
 | `app/foundation/reflection.py` | Generic reflection and Python module discovery |
 | `app/adapters/network/http.py` | Shared synchronous and asynchronous HTTP clients |
 | `app/adapters/network/browser.py` | Browser launch facade and browser session implementation |
diff --git a/docs/rules/07-naming-conventions.md b/docs/rules/07-naming-conventions.md
index 340f6b298..838e78b52 100644
--- a/docs/rules/07-naming-conventions.md
+++ b/docs/rules/07-naming-conventions.md
@@ -9,8 +9,9 @@ All new code must follow these conventions. Consistent naming is how the codebas
 | Context | Convention | Examples |
 |---|---|---|
 | Python source files | `snake_case.py` | `download.py`, `qbittorrent.py`, `package.py` |
-| New files in canonical capability packages | Focused `snake_case.py`; prefer a package-owned noun and an existing owned domain file before adding one | `torrent.py`, `plugin_manager.py`, `package.py` |
-| Module package directories | `snake_case/` | `qbittorrent/`, `synologychat/` |
+| New files in canonical capability packages | Prefer one lowercase responsibility noun; extend an existing owner before adding a sibling file | `torrent.py`, `package.py`, `resources.py` |
+| Multi-file capabilities | Create a same-named package and use focused single-word child files; do not flatten related `<capability>_<role>.py` siblings | `transfer/workflow.py`, `transfer/execution.py` |
+| Module package directories | `snake_case/`; package roots do not duplicate-export host implementations | `qbittorrent/`, `synologychat/`, `transfer/` |
 | Test files | `test_<domain>.py` | `test_download_chain.py`, `test_subscribe_endpoint.py` |
 | Alembic migrations | Auto-generated by Alembic; do not rename | `20240101_add_column.py` |
 | Skill directories | `<kebab-case>/` | `transfer-failed-retry/`, `moviepilot-cli/` |
@@ -118,6 +119,8 @@ All new code must follow these conventions. Consistent naming is how the codebas
 | `def handleConfigChanged():` | `def on_config_changed():` or `def handle_config_changed():` |
 | `configuration.get("RssUrls")` | `configuration.get(SystemConfigKey.RssUrls)` |
 | `class subscribe_oper:` | `class SubscribeOper:` |
+| `transfer.py` + `transfer_execution.py` | `transfer/workflow.py` + `transfer/execution.py` |
+| Package-root host re-exports for an old path | Exact SDK/Compat mapping; host code imports the owning child module |
 | `MessageChannel.Telegram`（新代码） | `NotificationChannel.Telegram` |
 | `Notification(title=...)`（新代码） | `Message(title=...)` |
 
diff --git a/mypy.ini b/mypy.ini
index 7ecbd4cf9..751b76ab9 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -28,7 +28,7 @@ files =
     app/application/scheduling.py,
     app/application/workflow.py,
     app/application/chain/context.py,
-    app/application/chain/durable_events.py,
+    app/application/chain/events.py,
     app/application/messaging/ingress.py,
     app/application/subscription/delete.py,
     app/application/subscription/identity.py,
diff --git a/scripts/perf/instrument/sitecustomize.py b/scripts/perf/instrument/sitecustomize.py
index 3fa40a18e..d6832db7e 100644
--- a/scripts/perf/instrument/sitecustomize.py
+++ b/scripts/perf/instrument/sitecustomize.py
@@ -367,7 +367,7 @@ def _activate_agent_scenario(
 def _read_display_runtime() -> dict[str, object]:
     """读取 host.display 的只读状态和观测，不触发资源激活。"""
     try:
-        from app.runtime.managed_resources import (
+        from app.runtime.resources import (
             managed_resource_observations,
             managed_resource_snapshot,
         )
diff --git a/scripts/perf/test_scenarios.py b/scripts/perf/test_scenarios.py
index f111bcc40..d4c85568b 100644
--- a/scripts/perf/test_scenarios.py
+++ b/scripts/perf/test_scenarios.py
@@ -14,7 +14,6 @@ from types import ModuleType, SimpleNamespace
 
 import pytest
 
-
 PERF_DIR = Path(__file__).resolve().parent
 
 
@@ -651,7 +650,7 @@ def test_sitecustomize_serializes_managed_resource_facade(monkeypatch) -> None:
         error=None,
     )
 
-    facade = ModuleType("app.runtime.managed_resources")
+    facade = ModuleType("app.runtime.resources")
 
     def managed_resource_snapshot(capability_id: str):
         assert capability_id == "host.display"
@@ -663,7 +662,7 @@ def test_sitecustomize_serializes_managed_resource_facade(monkeypatch) -> None:
 
     facade.managed_resource_snapshot = managed_resource_snapshot
     facade.managed_resource_observations = managed_resource_observations
-    monkeypatch.setitem(sys.modules, "app.runtime.managed_resources", facade)
+    monkeypatch.setitem(sys.modules, "app.runtime.resources", facade)
     probe = load_module(
         "moviepilot_perf_sitecustomize_observation",
         PERF_DIR / "instrument" / "sitecustomize.py",
diff --git a/tests/conftest.py b/tests/conftest.py
index 770df6085..81e3ea798 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -23,7 +23,6 @@ prepare_backend()
 # 复用共享 autouse 网络守卫；同一实现亦供各插件仓 conftest import 复用，避免逐仓维护
 from app.testing.network_guard import block_real_network  # noqa: E402,F401
 
-
 TResult = TypeVar("TResult")
 
 
@@ -104,31 +103,29 @@ def pytest_runtest_call(item):
 def configure_plugin_system_services():
     """为绕过完整启动流程的单元测试装配真实插件系统适配器。"""
     from app.adapters.web.security.access import configure_token_codec
-    from app.application.security.token import (
-        create_access_token,
-        decode_access_token,
-    )
     from app.api.data import configure_api_data_ports
     from app.application.configuration import (
         RuntimeConfiguration,
         RuntimeSettingsService,
         SystemConfigService,
         TransferRetryConfig,
-        configure_token_runtime_config,
         configure_runtime_configuration,
         configure_runtime_settings,
         configure_system_config,
+        configure_token_runtime_config,
         configure_transfer_retry_config,
     )
-    from app.runtime.config import settings
-    from app.runtime.settings import configure_runtime_setting_provider
-    from app.startup.composition.configuration import (
-        build_api_runtime_config,
-        build_chain_runtime_config,
-        build_scheduler_runtime_config,
-        build_token_runtime_config,
+    from app.application.security.token import (
+        create_access_token,
+        decode_access_token,
+    )
+    from app.application.security.userconfig import (
+        UserConfigurationService,
+        configure_user_configuration,
     )
     from app.application.service import configure_service_directory
+    from app.db.oper.systemconfig import SystemConfigOper
+    from app.db.oper.userconfig import UserConfigOper
     from app.db.session import (
         SessionFactory,
         async_session_scope,
@@ -140,11 +137,13 @@ def configure_plugin_system_services():
         SqlAlchemyUnitOfWork,
         configure_transaction_runners,
     )
-    from app.db.oper.systemconfig import SystemConfigOper
-    from app.db.oper.userconfig import UserConfigOper
-    from app.application.security.userconfig import (
-        UserConfigurationService,
-        configure_user_configuration,
+    from app.runtime.config import settings
+    from app.runtime.settings import configure_runtime_setting_provider
+    from app.startup.composition.configuration import (
+        build_api_runtime_config,
+        build_chain_runtime_config,
+        build_scheduler_runtime_config,
+        build_token_runtime_config,
     )
 
     configure_token_codec(create_access_token, decode_access_token)
@@ -181,25 +180,25 @@ def configure_plugin_system_services():
             max_failed_retries=settings.TRANSFER_MAX_FAILED_RETRIES,
         )
     )
-    from app.application.chain.data import configure_chain_data_ports
-    from app.application.subscription.write import configure_subscribe_writer
-    from app.application.plugin.runtime import configure_plugin_runtime
-    from app.application.module import configure_module_runtime
     from app.application.chain.context import (
         ChainRuntimeContext,
         configure_chain_runtime_context_provider,
     )
-    from app.application.messaging.message import MessageHelper, MessageQueueManager
+    from app.application.chain.data import configure_chain_data_ports
     from app.application.messaging.chat import (
-        AgentChatService,
         AgentChatPersistenceService,
-        configure_agent_chat_service,
+        AgentChatService,
         configure_agent_chat_persistence,
+        configure_agent_chat_service,
     )
+    from app.application.messaging.message import MessageHelper, MessageQueueManager
+    from app.application.module import configure_module_runtime
+    from app.application.plugin.runtime import configure_plugin_runtime
+    from app.application.subscription.write import configure_subscribe_writer
     from app.runtime.cache import AsyncFileCache, FileCache
     from app.runtime.events import EventManager
-    from app.runtime.extensions.module_manager import ModuleManager
     from app.runtime.extensions.module.dispatcher import ModuleInvocationDispatcher
+    from app.runtime.extensions.module_manager import ModuleManager
     from app.runtime.extensions.plugin_manager import PluginManager
     from app.runtime.extensions.service_config import ServiceConfigHelper
     configure_service_directory(
@@ -208,8 +207,8 @@ def configure_plugin_system_services():
     )
     configure_plugin_runtime(lambda: PluginManager())
     configure_module_runtime(lambda: ModuleManager())
-    from app.application.site.query import SiteQueryService, configure_site_query_service
     from app.application.site.health import SiteHealthService, configure_site_health_service
+    from app.application.site.query import SiteQueryService, configure_site_query_service
     from app.application.workflow import (
         WorkflowQueryService,
         configure_workflow_query,
@@ -222,27 +221,26 @@ def configure_plugin_system_services():
         AgentTaskExecutionService,
         configure_agent_task_execution,
     )
+    from app.db.adapters.download import TransactionalDownloadFailureRepository
+    from app.db.adapters.site import TransactionalSiteRepository
+    from app.db.adapters.subscription import TransactionalSubscribeWriter
+    from app.db.adapters.transaction import TransactionalWriteRunner
+    from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
+    from app.db.adapters.transfer.execution import (
+        TransactionalTransferExecutionRepository,
+    )
+    from app.db.adapters.workflow import TransactionalWorkflowExecutionService
     from app.db.oper.agentchat import AgentChatOper
-    from app.db.oper.downloadfailure import DownloadFailureOper
     from app.db.oper.downloadhistory import DownloadHistoryOper
     from app.db.oper.mediaserver import MediaServerOper
+    from app.db.oper.message import MessageOper
+    from app.db.oper.passkey import PassKeyOper
     from app.db.oper.site import SiteOper
     from app.db.oper.subscribe import SubscribeOper
     from app.db.oper.subscribehistory import SubscribeHistoryOper
     from app.db.oper.transferhistory import TransferHistoryOper
-    from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
-    from app.db.adapters.transfer_execution import (
-        TransactionalTransferExecutionRepository,
-    )
     from app.db.oper.user import UserOper
     from app.db.oper.workflow import WorkflowOper, configure_workflow_legacy_writer
-    from app.db.oper.message import MessageOper
-    from app.db.oper.passkey import PassKeyOper
-    from app.db.adapters.subscription import TransactionalSubscribeWriter
-    from app.db.adapters.download import TransactionalDownloadFailureRepository
-    from app.db.adapters.site import TransactionalSiteRepository
-    from app.db.adapters.workflow import TransactionalWorkflowExecutionService
-    from app.db.adapters.transaction import TransactionalWriteRunner
 
     def create_sync_session() -> Session:
         """为无显式会话的 Oper 测试入口创建独占同步 Session。"""
@@ -363,8 +361,8 @@ def configure_plugin_system_services():
     )
     configure_agent_chat_service(AgentChatService(repository=AgentChatOper()))
     from app.adapters.external.market import (
-        PluginHelper,
         VERSION_BACKWARD_COMPATIBLE_FLAGS,
+        PluginHelper,
     )
     from app.adapters.external.plugin.client import PluginMarketClient
     from app.adapters.system.plugin.dependency import PluginDependencyInstaller
@@ -389,9 +387,9 @@ def configure_plugin_system_services():
         frozen=lambda: False,
         install=lambda **_kwargs: (False, "测试环境未装配插件安装 Gateway"),
     ))
-    from app.agent.skills.registry import SkillHelper
     from app.agent.llm.gateway import register_llm_provider_runtime
     from app.agent.llm.provider import LLMProviderManager
+    from app.agent.skills.registry import SkillHelper
     from app.application.messaging.skill import register_skill_catalog_provider
 
     register_skill_catalog_provider(lambda: SkillHelper())
diff --git a/tests/fixtures/architecture/coverage-baseline.json b/tests/fixtures/architecture/coverage-baseline.json
index a41d68151..43e601d8f 100644
--- a/tests/fixtures/architecture/coverage-baseline.json
+++ b/tests/fixtures/architecture/coverage-baseline.json
@@ -1,8 +1,8 @@
 {
   "application": {
-    "covered_lines": 9966,
-    "percent": 78.61,
-    "statements": 12678
+    "covered_lines": 9992,
+    "percent": 78.63,
+    "statements": 12707
   },
   "domain": {
     "covered_lines": 3392,
diff --git a/tests/fixtures/architecture/dependency-baseline.json b/tests/fixtures/architecture/dependency-baseline.json
index 50c467a19..15337674d 100644
--- a/tests/fixtures/architecture/dependency-baseline.json
+++ b/tests/fixtures/architecture/dependency-baseline.json
@@ -77,7 +77,7 @@
         "target": "app.adapters.network.http"
       },
       {
-        "source": "app.application.transfer",
+        "source": "app.application.transfer.workflow",
         "target": "app.adapters.system.host"
       },
       {
@@ -154,7 +154,7 @@
       "app.application.security.cookie",
       "app.application.security.passkey",
       "app.application.torrent",
-      "app.application.transfer",
+      "app.application.transfer.workflow",
       "app.chain._recognition",
       "app.chain._transfer",
       "app.chain.download",
@@ -1441,8 +1441,8 @@
       "runtime_only": true
     }
   },
-  "edge_count": 6882,
-  "edge_sha256": "602a73df30503fec4f4f01e28020222497cdadcad731dfedca40a3e4b1133c0d",
+  "edge_count": 6898,
+  "edge_sha256": "c73faf7e29ee12a862cf2332f1803fd4eb8a3f4d2994ed81075ff198e896f8df",
   "edges": [
     "app -> app.runtime",
     "app -> app.runtime.compat",
@@ -1532,7 +1532,7 @@
     "app.adapters.network.browser -> app.adapters.network.http",
     "app.adapters.network.browser -> app.runtime",
     "app.adapters.network.browser -> app.runtime.log",
-    "app.adapters.network.browser -> app.runtime.managed_resources",
+    "app.adapters.network.browser -> app.runtime.resources",
     "app.adapters.network.browser -> app.runtime.settings",
     "app.adapters.network.cloudflare -> app.runtime",
     "app.adapters.network.cloudflare -> app.runtime.log",
@@ -1553,7 +1553,7 @@
     "app.adapters.system.display -> app.foundation.singleton",
     "app.adapters.system.display -> app.runtime",
     "app.adapters.system.display -> app.runtime.log",
-    "app.adapters.system.display -> app.runtime.managed_resources",
+    "app.adapters.system.display -> app.runtime.resources",
     "app.adapters.system.display.resource -> app.adapters",
     "app.adapters.system.display.resource -> app.adapters.system",
     "app.adapters.system.display.resource -> app.adapters.system.host",
@@ -2219,7 +2219,8 @@
     "app.agent.tools.impl.delete_transfer_history -> app.application.agentdata",
     "app.agent.tools.impl.delete_transfer_history -> app.application.chain",
     "app.agent.tools.impl.delete_transfer_history -> app.application.chain.data",
-    "app.agent.tools.impl.delete_transfer_history -> app.application.transfer_execution",
+    "app.agent.tools.impl.delete_transfer_history -> app.application.transfer",
+    "app.agent.tools.impl.delete_transfer_history -> app.application.transfer.execution",
     "app.agent.tools.impl.delete_transfer_history -> app.chain",
     "app.agent.tools.impl.delete_transfer_history -> app.chain.storage",
     "app.agent.tools.impl.delete_transfer_history -> app.runtime",
@@ -3313,7 +3314,8 @@
     "app.api.endpoints.history -> app.application.chain.data",
     "app.api.endpoints.history -> app.application.configuration",
     "app.api.endpoints.history -> app.application.history",
-    "app.api.endpoints.history -> app.application.transfer_execution",
+    "app.api.endpoints.history -> app.application.transfer",
+    "app.api.endpoints.history -> app.application.transfer.execution",
     "app.api.endpoints.history -> app.runtime",
     "app.api.endpoints.history -> app.runtime.config",
     "app.api.endpoints.history -> app.runtime.log",
@@ -3824,7 +3826,8 @@
     "app.api.endpoints.transfer -> app.application.configuration",
     "app.api.endpoints.transfer -> app.application.directory",
     "app.api.endpoints.transfer -> app.application.history",
-    "app.api.endpoints.transfer -> app.application.transfer_execution",
+    "app.api.endpoints.transfer -> app.application.transfer",
+    "app.api.endpoints.transfer -> app.application.transfer.execution",
     "app.api.endpoints.transfer -> app.chain",
     "app.api.endpoints.transfer -> app.chain.media",
     "app.api.endpoints.transfer -> app.chain.transfer",
@@ -3977,26 +3980,28 @@
     "app.application.chain.context -> app.application",
     "app.application.chain.context -> app.application.chain",
     "app.application.chain.context -> app.application.chain.data",
-    "app.application.chain.context -> app.application.chain.durable_events",
+    "app.application.chain.context -> app.application.chain.events",
     "app.application.chain.context -> app.application.configuration",
     "app.application.chain.context -> app.runtime",
     "app.application.chain.context -> app.runtime.stop",
     "app.application.chain.data -> app.application",
     "app.application.chain.data -> app.application.transfer",
-    "app.application.chain.data -> app.application.transfer_execution",
-    "app.application.chain.durable_events -> app.application",
-    "app.application.chain.durable_events -> app.application.history",
-    "app.application.chain.durable_events -> app.application.transfer_execution",
-    "app.application.chain.durable_events -> app.domain",
-    "app.application.chain.durable_events -> app.domain.context",
-    "app.application.chain.durable_events -> app.domain.meta",
-    "app.application.chain.durable_events -> app.domain.meta.metabase",
-    "app.application.chain.durable_events -> app.domain.meta.metamusic",
-    "app.application.chain.durable_events -> app.domain.metainfo",
-    "app.application.chain.durable_events -> app.schemas",
-    "app.application.chain.durable_events -> app.schemas.file",
-    "app.application.chain.durable_events -> app.schemas.transfer",
-    "app.application.chain.durable_events -> app.schemas.types",
+    "app.application.chain.data -> app.application.transfer.execution",
+    "app.application.chain.data -> app.application.transfer.workflow",
+    "app.application.chain.events -> app.application",
+    "app.application.chain.events -> app.application.history",
+    "app.application.chain.events -> app.application.transfer",
+    "app.application.chain.events -> app.application.transfer.execution",
+    "app.application.chain.events -> app.domain",
+    "app.application.chain.events -> app.domain.context",
+    "app.application.chain.events -> app.domain.meta",
+    "app.application.chain.events -> app.domain.meta.metabase",
+    "app.application.chain.events -> app.domain.meta.metamusic",
+    "app.application.chain.events -> app.domain.metainfo",
+    "app.application.chain.events -> app.schemas",
+    "app.application.chain.events -> app.schemas.file",
+    "app.application.chain.events -> app.schemas.transfer",
+    "app.application.chain.events -> app.schemas.types",
     "app.application.configuration -> app.application",
     "app.application.configuration -> app.application.database",
     "app.application.configuration -> app.schemas",
@@ -4441,31 +4446,33 @@
     "app.application.torrent_cache -> app.foundation.crypto",
     "app.application.torrent_cache -> app.schemas",
     "app.application.torrent_cache -> app.schemas.types",
-    "app.application.transfer -> app.adapters",
-    "app.application.transfer -> app.adapters.system",
-    "app.application.transfer -> app.adapters.system.host",
-    "app.application.transfer -> app.application",
-    "app.application.transfer -> app.application.agent",
-    "app.application.transfer -> app.application.transfer_execution",
-    "app.application.transfer -> app.domain",
-    "app.application.transfer -> app.domain.context",
-    "app.application.transfer -> app.domain.media",
-    "app.application.transfer -> app.domain.meta",
-    "app.application.transfer -> app.domain.meta.metabase",
-    "app.application.transfer -> app.domain.meta.metamusic",
-    "app.application.transfer -> app.foundation",
-    "app.application.transfer -> app.foundation.text",
-    "app.application.transfer -> app.runtime",
-    "app.application.transfer -> app.runtime.log",
-    "app.application.transfer -> app.schemas",
-    "app.application.transfer -> app.schemas.file",
-    "app.application.transfer -> app.schemas.history",
-    "app.application.transfer -> app.schemas.media",
-    "app.application.transfer -> app.schemas.system",
-    "app.application.transfer -> app.schemas.tmdb",
-    "app.application.transfer -> app.schemas.transfer",
-    "app.application.transfer -> app.schemas.types",
-    "app.application.transfer -> app.schemas.workflow",
+    "app.application.transfer.workflow -> app.adapters",
+    "app.application.transfer.workflow -> app.adapters.system",
+    "app.application.transfer.workflow -> app.adapters.system.host",
+    "app.application.transfer.workflow -> app.application",
+    "app.application.transfer.workflow -> app.application.agent",
+    "app.application.transfer.workflow -> app.application.transfer",
+    "app.application.transfer.workflow -> app.application.transfer.execution",
+    "app.application.transfer.workflow -> app.domain",
+    "app.application.transfer.workflow -> app.domain.context",
+    "app.application.transfer.workflow -> app.domain.media",
+    "app.application.transfer.workflow -> app.domain.meta",
+    "app.application.transfer.workflow -> app.domain.meta.metabase",
+    "app.application.transfer.workflow -> app.domain.meta.metamusic",
+    "app.application.transfer.workflow -> app.foundation",
+    "app.application.transfer.workflow -> app.foundation.text",
+    "app.application.transfer.workflow -> app.runtime",
+    "app.application.transfer.workflow -> app.runtime.log",
+    "app.application.transfer.workflow -> app.schemas",
+    "app.application.transfer.workflow -> app.schemas.context",
+    "app.application.transfer.workflow -> app.schemas.file",
+    "app.application.transfer.workflow -> app.schemas.history",
+    "app.application.transfer.workflow -> app.schemas.media",
+    "app.application.transfer.workflow -> app.schemas.music",
+    "app.application.transfer.workflow -> app.schemas.system",
+    "app.application.transfer.workflow -> app.schemas.tmdb",
+    "app.application.transfer.workflow -> app.schemas.transfer",
+    "app.application.transfer.workflow -> app.schemas.types",
     "app.chain -> app.application",
     "app.chain -> app.application.chain",
     "app.chain -> app.application.chain.context",
@@ -4568,7 +4575,8 @@
     "app.chain._transfer -> app.application.formatting",
     "app.chain._transfer -> app.application.history",
     "app.chain._transfer -> app.application.transfer",
-    "app.chain._transfer -> app.application.transfer_execution",
+    "app.chain._transfer -> app.application.transfer.execution",
+    "app.chain._transfer -> app.application.transfer.workflow",
     "app.chain._transfer -> app.chain",
     "app.chain._transfer -> app.chain._contracts",
     "app.chain._transfer -> app.chain.media",
@@ -4994,14 +5002,15 @@
     "app.chain.transfer -> app.application",
     "app.chain.transfer -> app.application.chain",
     "app.chain.transfer -> app.application.chain.data",
-    "app.chain.transfer -> app.application.chain.durable_events",
+    "app.chain.transfer -> app.application.chain.events",
     "app.chain.transfer -> app.application.configuration",
     "app.chain.transfer -> app.application.directory",
     "app.chain.transfer -> app.application.formatting",
     "app.chain.transfer -> app.application.history",
     "app.chain.transfer -> app.application.outbox",
     "app.chain.transfer -> app.application.transfer",
-    "app.chain.transfer -> app.application.transfer_execution",
+    "app.chain.transfer -> app.application.transfer.execution",
+    "app.chain.transfer -> app.application.transfer.workflow",
     "app.chain.transfer -> app.chain",
     "app.chain.transfer -> app.chain._transfer",
     "app.chain.transfer -> app.chain.media",
@@ -5105,10 +5114,11 @@
     "app.command -> app.schemas.types",
     "app.db.adapters.chain -> app.application",
     "app.db.adapters.chain -> app.application.chain",
-    "app.db.adapters.chain -> app.application.chain.durable_events",
+    "app.db.adapters.chain -> app.application.chain.events",
     "app.db.adapters.chain -> app.application.history",
     "app.db.adapters.chain -> app.application.outbox",
-    "app.db.adapters.chain -> app.application.transfer_execution",
+    "app.db.adapters.chain -> app.application.transfer",
+    "app.db.adapters.chain -> app.application.transfer.execution",
     "app.db.adapters.chain -> app.db",
     "app.db.adapters.chain -> app.db.adapters",
     "app.db.adapters.chain -> app.db.adapters.outbox",
@@ -5165,24 +5175,26 @@
     "app.db.adapters.subscription -> app.db.uow",
     "app.db.adapters.transaction -> app.db",
     "app.db.adapters.transaction -> app.db.uow",
-    "app.db.adapters.transfer -> app.application",
-    "app.db.adapters.transfer -> app.application.transfer",
-    "app.db.adapters.transfer -> app.db",
-    "app.db.adapters.transfer -> app.db.models",
-    "app.db.adapters.transfer -> app.db.models.transferpending",
-    "app.db.adapters.transfer -> app.db.oper",
-    "app.db.adapters.transfer -> app.db.oper.transferpending",
-    "app.db.adapters.transfer -> app.db.uow",
-    "app.db.adapters.transfer_execution -> app.application",
-    "app.db.adapters.transfer_execution -> app.application.transfer_execution",
-    "app.db.adapters.transfer_execution -> app.db",
-    "app.db.adapters.transfer_execution -> app.db.models",
-    "app.db.adapters.transfer_execution -> app.db.models.transferexecutionstep",
-    "app.db.adapters.transfer_execution -> app.db.models.transferpending",
-    "app.db.adapters.transfer_execution -> app.db.oper",
-    "app.db.adapters.transfer_execution -> app.db.oper.transferexecutionstep",
-    "app.db.adapters.transfer_execution -> app.db.oper.transferpending",
-    "app.db.adapters.transfer_execution -> app.db.uow",
+    "app.db.adapters.transfer.admission -> app.application",
+    "app.db.adapters.transfer.admission -> app.application.transfer",
+    "app.db.adapters.transfer.admission -> app.application.transfer.workflow",
+    "app.db.adapters.transfer.admission -> app.db",
+    "app.db.adapters.transfer.admission -> app.db.models",
+    "app.db.adapters.transfer.admission -> app.db.models.transferpending",
+    "app.db.adapters.transfer.admission -> app.db.oper",
+    "app.db.adapters.transfer.admission -> app.db.oper.transferpending",
+    "app.db.adapters.transfer.admission -> app.db.uow",
+    "app.db.adapters.transfer.execution -> app.application",
+    "app.db.adapters.transfer.execution -> app.application.transfer",
+    "app.db.adapters.transfer.execution -> app.application.transfer.execution",
+    "app.db.adapters.transfer.execution -> app.db",
+    "app.db.adapters.transfer.execution -> app.db.models",
+    "app.db.adapters.transfer.execution -> app.db.models.transferexecutionstep",
+    "app.db.adapters.transfer.execution -> app.db.models.transferpending",
+    "app.db.adapters.transfer.execution -> app.db.oper",
+    "app.db.adapters.transfer.execution -> app.db.oper.transferexecutionstep",
+    "app.db.adapters.transfer.execution -> app.db.oper.transferpending",
+    "app.db.adapters.transfer.execution -> app.db.uow",
     "app.db.adapters.workflow -> app.application",
     "app.db.adapters.workflow -> app.application.workflow",
     "app.db.adapters.workflow -> app.db",
@@ -5852,7 +5864,8 @@
     "app.modules.filemanager.module -> app.application.messaging",
     "app.modules.filemanager.module -> app.application.messaging.message",
     "app.modules.filemanager.module -> app.application.transfer",
-    "app.modules.filemanager.module -> app.application.transfer_execution",
+    "app.modules.filemanager.module -> app.application.transfer.execution",
+    "app.modules.filemanager.module -> app.application.transfer.workflow",
     "app.modules.filemanager.module -> app.domain",
     "app.modules.filemanager.module -> app.domain.context",
     "app.modules.filemanager.module -> app.domain.meta",
@@ -6005,7 +6018,8 @@
     "app.modules.filemanager.transhandler -> app.application.messaging",
     "app.modules.filemanager.transhandler -> app.application.messaging.message",
     "app.modules.filemanager.transhandler -> app.application.transfer",
-    "app.modules.filemanager.transhandler -> app.application.transfer_execution",
+    "app.modules.filemanager.transhandler -> app.application.transfer.execution",
+    "app.modules.filemanager.transhandler -> app.application.transfer.workflow",
     "app.modules.filemanager.transhandler -> app.domain",
     "app.modules.filemanager.transhandler -> app.domain.context",
     "app.modules.filemanager.transhandler -> app.domain.meta",
@@ -7351,12 +7365,6 @@
     "app.runtime.extensions.host_module_adapter -> app.runtime.settings",
     "app.runtime.extensions.host_module_adapter -> app.schemas",
     "app.runtime.extensions.host_module_adapter -> app.schemas.types",
-    "app.runtime.extensions.managed_resource_adapter -> app.runtime",
-    "app.runtime.extensions.managed_resource_adapter -> app.runtime.capabilities",
-    "app.runtime.extensions.managed_resource_adapter -> app.runtime.capabilities.errors",
-    "app.runtime.extensions.managed_resource_adapter -> app.runtime.capabilities.model",
-    "app.runtime.extensions.managed_resource_adapter -> app.runtime.capabilities.registry",
-    "app.runtime.extensions.managed_resource_adapter -> app.runtime.managed_resources",
     "app.runtime.extensions.module.dispatcher -> app.foundation",
     "app.runtime.extensions.module.dispatcher -> app.foundation.reflection",
     "app.runtime.extensions.module.dispatcher -> app.runtime",
@@ -7479,6 +7487,12 @@
     "app.runtime.extensions.plugin_manager -> app.schemas.exception",
     "app.runtime.extensions.plugin_manager -> app.schemas.plugin",
     "app.runtime.extensions.plugin_manager -> app.schemas.types",
+    "app.runtime.extensions.resource -> app.runtime",
+    "app.runtime.extensions.resource -> app.runtime.capabilities",
+    "app.runtime.extensions.resource -> app.runtime.capabilities.errors",
+    "app.runtime.extensions.resource -> app.runtime.capabilities.model",
+    "app.runtime.extensions.resource -> app.runtime.capabilities.registry",
+    "app.runtime.extensions.resource -> app.runtime.resources",
     "app.runtime.extensions.service_config -> app.runtime",
     "app.runtime.extensions.service_config -> app.runtime.log",
     "app.runtime.extensions.service_config -> app.schemas",
@@ -7670,6 +7684,7 @@
     "app.sdk._legacy.subscribe -> app.domain.context",
     "app.sdk._legacy.transfer -> app.application",
     "app.sdk._legacy.transfer -> app.application.transfer",
+    "app.sdk._legacy.transfer -> app.application.transfer.workflow",
     "app.sdk._legacy.transferpending -> app.db",
     "app.sdk._legacy.transferpending -> app.db.base",
     "app.sdk._legacy.transferpending -> app.db.models",
@@ -7890,12 +7905,6 @@
     "app.startup.initializers.domain -> app.domain.metainfo",
     "app.startup.initializers.domain -> app.runtime",
     "app.startup.initializers.domain -> app.runtime.settings",
-    "app.startup.initializers.managed_resources -> app.runtime",
-    "app.startup.initializers.managed_resources -> app.runtime.capabilities",
-    "app.startup.initializers.managed_resources -> app.runtime.capabilities.runtime",
-    "app.startup.initializers.managed_resources -> app.runtime.extensions",
-    "app.startup.initializers.managed_resources -> app.runtime.extensions.managed_resource_adapter",
-    "app.startup.initializers.managed_resources -> app.runtime.managed_resources",
     "app.startup.initializers.modules -> app.adapters",
     "app.startup.initializers.modules -> app.adapters.cache",
     "app.startup.initializers.modules -> app.adapters.cache.redis",
@@ -7918,7 +7927,7 @@
     "app.startup.initializers.modules -> app.application.chain",
     "app.startup.initializers.modules -> app.application.chain.context",
     "app.startup.initializers.modules -> app.application.chain.data",
-    "app.startup.initializers.modules -> app.application.chain.durable_events",
+    "app.startup.initializers.modules -> app.application.chain.events",
     "app.startup.initializers.modules -> app.application.configuration",
     "app.startup.initializers.modules -> app.application.database",
     "app.startup.initializers.modules -> app.application.history",
@@ -7970,7 +7979,8 @@
     "app.startup.initializers.modules -> app.db.adapters.subscription",
     "app.startup.initializers.modules -> app.db.adapters.transaction",
     "app.startup.initializers.modules -> app.db.adapters.transfer",
-    "app.startup.initializers.modules -> app.db.adapters.transfer_execution",
+    "app.startup.initializers.modules -> app.db.adapters.transfer.admission",
+    "app.startup.initializers.modules -> app.db.adapters.transfer.execution",
     "app.startup.initializers.modules -> app.db.adapters.workflow",
     "app.startup.initializers.modules -> app.db.oper",
     "app.startup.initializers.modules -> app.db.oper.agentchat",
@@ -8021,7 +8031,7 @@
     "app.startup.initializers.modules -> app.startup.composition.subscription",
     "app.startup.initializers.modules -> app.startup.initializers",
     "app.startup.initializers.modules -> app.startup.initializers.agent",
-    "app.startup.initializers.modules -> app.startup.initializers.managed_resources",
+    "app.startup.initializers.modules -> app.startup.initializers.resources",
     "app.startup.initializers.monitor -> app.monitor",
     "app.startup.initializers.monitor -> app.runtime",
     "app.startup.initializers.monitor -> app.runtime.execution",
@@ -8075,12 +8085,18 @@
     "app.startup.initializers.plugins -> app.runtime.extensions.plugin.system",
     "app.startup.initializers.plugins -> app.runtime.extensions.plugin_manager",
     "app.startup.initializers.plugins -> app.runtime.log",
-    "app.startup.initializers.plugins -> app.runtime.managed_resources",
+    "app.startup.initializers.plugins -> app.runtime.resources",
     "app.startup.initializers.plugins -> app.runtime.settings",
     "app.startup.initializers.plugins -> app.schemas",
     "app.startup.initializers.plugins -> app.schemas.exception",
     "app.startup.initializers.plugins -> app.schemas.plugin",
     "app.startup.initializers.plugins -> app.schemas.types",
+    "app.startup.initializers.resources -> app.runtime",
+    "app.startup.initializers.resources -> app.runtime.capabilities",
+    "app.startup.initializers.resources -> app.runtime.capabilities.runtime",
+    "app.startup.initializers.resources -> app.runtime.extensions",
+    "app.startup.initializers.resources -> app.runtime.extensions.resource",
+    "app.startup.initializers.resources -> app.runtime.resources",
     "app.startup.initializers.routers -> app.api",
     "app.startup.initializers.routers -> app.api.router_specs",
     "app.startup.initializers.routers -> app.api.servarr",
@@ -8327,7 +8343,7 @@
     "app.workflow.actions.transfer_file -> app.workflow",
     "app.workflow.actions.transfer_file -> app.workflow.actions"
   ],
-  "module_count": 842,
+  "module_count": 844,
   "modules": [
     "app",
     "app.adapters",
@@ -8583,7 +8599,7 @@
     "app.application.chain",
     "app.application.chain.context",
     "app.application.chain.data",
-    "app.application.chain.durable_events",
+    "app.application.chain.events",
     "app.application.commands",
     "app.application.configuration",
     "app.application.dashboard",
@@ -8674,7 +8690,8 @@
     "app.application.torrent",
     "app.application.torrent_cache",
     "app.application.transfer",
-    "app.application.transfer_execution",
+    "app.application.transfer.execution",
+    "app.application.transfer.workflow",
     "app.application.workflow",
     "app.chain",
     "app.chain._contracts",
@@ -8726,7 +8743,8 @@
     "app.db.adapters.subscription",
     "app.db.adapters.transaction",
     "app.db.adapters.transfer",
-    "app.db.adapters.transfer_execution",
+    "app.db.adapters.transfer.admission",
+    "app.db.adapters.transfer.execution",
     "app.db.adapters.workflow",
     "app.db.base",
     "app.db.decorators",
@@ -9025,7 +9043,6 @@
     "app.runtime.execution",
     "app.runtime.extensions",
     "app.runtime.extensions.host_module_adapter",
-    "app.runtime.extensions.managed_resource_adapter",
     "app.runtime.extensions.module",
     "app.runtime.extensions.module.contracts",
     "app.runtime.extensions.module.dispatcher",
@@ -9050,16 +9067,17 @@
     "app.runtime.extensions.plugin.system",
     "app.runtime.extensions.plugin.tools",
     "app.runtime.extensions.plugin_manager",
+    "app.runtime.extensions.resource",
     "app.runtime.extensions.service_config",
     "app.runtime.gc",
     "app.runtime.health",
     "app.runtime.localization",
     "app.runtime.log",
-    "app.runtime.managed_resources",
     "app.runtime.observability",
     "app.runtime.progress",
     "app.runtime.rate",
     "app.runtime.reload",
+    "app.runtime.resources",
     "app.runtime.scheduling",
     "app.runtime.settings",
     "app.runtime.state",
@@ -9140,10 +9158,10 @@
     "app.startup.initializers.command",
     "app.startup.initializers.database",
     "app.startup.initializers.domain",
-    "app.startup.initializers.managed_resources",
     "app.startup.initializers.modules",
     "app.startup.initializers.monitor",
     "app.startup.initializers.plugins",
+    "app.startup.initializers.resources",
     "app.startup.initializers.routers",
     "app.startup.initializers.scheduler",
     "app.startup.initializers.transfer",
diff --git a/tests/fixtures/architecture/dependency-policy.json b/tests/fixtures/architecture/dependency-policy.json
index 69452db64..82a27296f 100644
--- a/tests/fixtures/architecture/dependency-policy.json
+++ b/tests/fixtures/architecture/dependency-policy.json
@@ -142,7 +142,7 @@
         "tracking": "S2-L6"
       },
       {
-        "source": "app.application.transfer",
+        "source": "app.application.transfer.workflow",
         "target": "app.adapters.system.host",
         "tracking": "S2-L6"
       },
diff --git a/tests/fixtures/architecture/mypy-baseline.json b/tests/fixtures/architecture/mypy-baseline.json
index 81ad20cc1..7c2a61cdc 100644
--- a/tests/fixtures/architecture/mypy-baseline.json
+++ b/tests/fixtures/architecture/mypy-baseline.json
@@ -1112,10 +1112,6 @@
   "app/application/agenttask.py": {
     "type-arg": 1
   },
-  "app/application/chain/durable_events.py": {
-    "arg-type": 1,
-    "no-untyped-call": 1
-  },
   "app/application/commands.py": {
     "no-any-return": 1
   },
@@ -1356,18 +1352,6 @@
   "app/application/torrent_cache.py": {
     "type-arg": 1
   },
-  "app/application/transfer.py": {
-    "arg-type": 16,
-    "assignment": 3,
-    "attr-defined": 4,
-    "misc": 6,
-    "no-any-return": 1,
-    "no-untyped-call": 2,
-    "no-untyped-def": 10,
-    "return-value": 1,
-    "type-arg": 14,
-    "union-attr": 47
-  },
   "app/chain/__init__.py": {
     "assignment": 13,
     "attr-defined": 1,
@@ -3210,10 +3194,6 @@
   "app/runtime/localization.py": {
     "no-any-return": 1
   },
-  "app/runtime/managed_resources.py": {
-    "arg-type": 2,
-    "union-attr": 3
-  },
   "app/runtime/progress.py": {
     "no-any-return": 4,
     "type-arg": 6
diff --git a/tests/fixtures/architecture/ruff-baseline.json b/tests/fixtures/architecture/ruff-baseline.json
index e0a61008d..8a6fa8018 100644
--- a/tests/fixtures/architecture/ruff-baseline.json
+++ b/tests/fixtures/architecture/ruff-baseline.json
@@ -15,9 +15,6 @@
     "F841": 2,
     "I001": 1
   },
-  "app/adapters/system/display/__init__.py": {
-    "I001": 1
-  },
   "app/adapters/system/host.py": {
     "I001": 2
   },
@@ -300,9 +297,6 @@
   "app/application/agenttask.py": {
     "I001": 1
   },
-  "app/application/chain/data.py": {
-    "I001": 1
-  },
   "app/application/directory.py": {
     "I001": 1
   },
@@ -392,10 +386,6 @@
   "app/chain/_music.py": {
     "E402": 5
   },
-  "app/chain/_transfer.py": {
-    "E402": 15,
-    "F401": 1
-  },
   "app/chain/media.py": {
     "E731": 2
   },
@@ -962,9 +952,6 @@
   "app/runtime/extensions/host_module_adapter.py": {
     "I001": 1
   },
-  "app/runtime/extensions/managed_resource_adapter.py": {
-    "I001": 1
-  },
   "app/runtime/extensions/module_manager.py": {
     "I001": 1
   },
@@ -990,9 +977,6 @@
     "E731": 1,
     "I001": 1
   },
-  "app/runtime/managed_resources.py": {
-    "I001": 1
-  },
   "app/runtime/observability/__init__.py": {
     "I001": 1
   },
@@ -1038,18 +1022,12 @@
   "app/schemas/system.py": {
     "I001": 1
   },
-  "app/schemas/transfer.py": {
-    "I001": 1
-  },
   "app/schemas/types.py": {
     "I001": 1
   },
   "app/schemas/user.py": {
     "I001": 1
   },
-  "app/sdk/_legacy/transfer.py": {
-    "I001": 1
-  },
   "app/sdk/_legacy/user.py": {
     "I001": 1
   },
@@ -1125,9 +1103,6 @@
   "scripts/perf/task_registry_ab.py": {
     "E402": 1
   },
-  "scripts/perf/test_scenarios.py": {
-    "I001": 1
-  },
   "scripts/schema/exports.py": {
     "I001": 1
   },
@@ -1137,10 +1112,6 @@
   "scripts/startup/performance.py": {
     "I001": 1
   },
-  "tests/conftest.py": {
-    "F401": 1,
-    "I001": 7
-  },
   "tests/test_acoustid_module.py": {
     "I001": 1
   },
@@ -1440,12 +1411,6 @@
   "tests/test_main_direct_execution.py": {
     "I001": 1
   },
-  "tests/test_managed_resources.py": {
-    "I001": 1
-  },
-  "tests/test_manual_transfer_history.py": {
-    "I001": 1
-  },
   "tests/test_mcp_plugin_tools.py": {
     "I001": 1
   },
@@ -1797,9 +1762,6 @@
     "E402": 6,
     "I001": 2
   },
-  "tests/test_transfer_failure_notification_aggregation.py": {
-    "I001": 1
-  },
   "tests/test_transfer_history_gate.py": {
     "I001": 1
   },
@@ -1809,27 +1771,12 @@
   "tests/test_transfer_history_write_path.py": {
     "I001": 1
   },
-  "tests/test_transfer_mark_torrent_completed.py": {
-    "I001": 1
-  },
-  "tests/test_transfer_mounted_disk_cleanup.py": {
-    "I001": 1
-  },
-  "tests/test_transfer_movie_collection.py": {
-    "I001": 1
-  },
   "tests/test_transfer_queue_count.py": {
     "I001": 1
   },
   "tests/test_transfer_rename_build_event.py": {
     "I001": 1
   },
-  "tests/test_transfer_stale_tasks.py": {
-    "I001": 1
-  },
-  "tests/test_transfer_tmdb_category.py": {
-    "I001": 1
-  },
   "tests/test_transferhistory_media_source_migration.py": {
     "I001": 1
   },
diff --git a/tests/fixtures/architecture/runtime-contract-baseline.json b/tests/fixtures/architecture/runtime-contract-baseline.json
index 5a69ca4a6..14942cc72 100644
--- a/tests/fixtures/architecture/runtime-contract-baseline.json
+++ b/tests/fixtures/architecture/runtime-contract-baseline.json
@@ -1,6 +1,13 @@
 {
   "compat_manifest": {
     "module_aliases": {
+      "app.application.chain.durable_events": {
+        "introduced": "v3.0.0",
+        "is_package": false,
+        "owner": "application",
+        "replacement": "app.application.chain.events",
+        "target": "app.application.chain.events"
+      },
       "app.application.filter": {
         "introduced": "v3.0.0",
         "is_package": false,
@@ -15,6 +22,13 @@
         "replacement": "app.application.rules",
         "target": "app.application.rules"
       },
+      "app.application.transfer_execution": {
+        "introduced": "v3.0.0",
+        "is_package": false,
+        "owner": "application",
+        "replacement": "app.application.transfer.execution",
+        "target": "app.application.transfer.execution"
+      },
       "app.chain.media_interaction": {
         "introduced": "v3.0.0",
         "is_package": false,
@@ -250,7 +264,7 @@
         "introduced": "v3.0.0",
         "is_package": false,
         "owner": "sdk",
-        "replacement": "app.application.transfer",
+        "replacement": "app.application.transfer.workflow",
         "target": "app.sdk._legacy.transferpending"
       },
       "app.db.user_oper": {
@@ -596,6 +610,13 @@
         "replacement": "app.sdk.services",
         "target": "app.sdk.services"
       },
+      "app.runtime.managed_resources": {
+        "introduced": "v3.0.0",
+        "is_package": false,
+        "owner": "runtime",
+        "replacement": "app.runtime.resources",
+        "target": "app.runtime.resources"
+      },
       "app.utils.coalesce": {
         "introduced": "v3.0.0",
         "is_package": false,
@@ -869,6 +890,18 @@
           "target_name": "ReplyMode"
         }
       },
+      "app.application.transfer": {
+        "TransferQueue": {
+          "replacement": "app.application.transfer.workflow.TransferQueue",
+          "target_module": "app.sdk._legacy.transfer",
+          "target_name": "TransferQueue"
+        },
+        "TransferTask": {
+          "replacement": "app.application.transfer.workflow.TransferTask",
+          "target_module": "app.sdk._legacy.transfer",
+          "target_name": "TransferTask"
+        }
+      },
       "app.chain.media": {
         "ScrapingChain": {
           "replacement": "app.chain.scraping.ScrapingChain",
@@ -987,12 +1020,12 @@
           "target_name": "MessageType"
         },
         "TransferQueue": {
-          "replacement": "app.application.transfer.TransferQueue",
+          "replacement": "app.application.transfer.workflow.TransferQueue",
           "target_module": "app.sdk._legacy.transfer",
           "target_name": "TransferQueue"
         },
         "TransferTask": {
-          "replacement": "app.application.transfer.TransferTask",
+          "replacement": "app.application.transfer.workflow.TransferTask",
           "target_module": "app.sdk._legacy.transfer",
           "target_name": "TransferTask"
         }
@@ -1083,12 +1116,12 @@
           "target_name": "TransferDirectoryConf"
         },
         "TransferQueue": {
-          "replacement": "app.application.transfer.TransferQueue",
+          "replacement": "app.application.transfer.workflow.TransferQueue",
           "target_module": "app.sdk._legacy.transfer",
           "target_name": "TransferQueue"
         },
         "TransferTask": {
-          "replacement": "app.application.transfer.TransferTask",
+          "replacement": "app.application.transfer.workflow.TransferTask",
           "target_module": "app.sdk._legacy.transfer",
           "target_name": "TransferTask"
         }
diff --git a/tests/fixtures/architecture/startup-performance-baseline.json b/tests/fixtures/architecture/startup-performance-baseline.json
index 9ef42c5c6..7d8e7c78b 100644
--- a/tests/fixtures/architecture/startup-performance-baseline.json
+++ b/tests/fixtures/architecture/startup-performance-baseline.json
@@ -1,41 +1,41 @@
 {
   "schema_version": 2,
-  "generated_at": "2026-08-27T12:39:02.223653+00:00",
+  "generated_at": "2026-08-27T13:33:52.081319+00:00",
   "platform": "macOS-26.5.2-arm64-arm-64bit-Mach-O",
   "python": "3.14.3",
   "repeat": 3,
   "targets": {
     "app.startup.lifecycle": {
-      "loaded_app_module_count": 386,
-      "max_ms": 943.849,
-      "median_ms": 933.725,
-      "min_ms": 933.213,
+      "loaded_app_module_count": 388,
+      "max_ms": 1035.341,
+      "median_ms": 993.245,
+      "min_ms": 991.998,
       "samples_ms": [
-        943.849,
-        933.213,
-        933.725
+        1035.341,
+        991.998,
+        993.245
       ]
     },
     "app.factory": {
-      "loaded_app_module_count": 398,
-      "max_ms": 959.917,
-      "median_ms": 955.782,
-      "min_ms": 950.477,
+      "loaded_app_module_count": 400,
+      "max_ms": 1006.172,
+      "median_ms": 1005.88,
+      "min_ms": 1003.841,
       "samples_ms": [
-        950.477,
-        955.782,
-        959.917
+        1005.88,
+        1006.172,
+        1003.841
       ]
     },
     "app.main": {
-      "loaded_app_module_count": 400,
-      "max_ms": 1027.215,
-      "median_ms": 1012.512,
-      "min_ms": 996.609,
+      "loaded_app_module_count": 402,
+      "max_ms": 1085.652,
+      "median_ms": 1055.994,
+      "min_ms": 1043.212,
       "samples_ms": [
-        1027.215,
-        1012.512,
-        996.609
+        1055.994,
+        1043.212,
+        1085.652
       ]
     }
   },
@@ -47,24 +47,24 @@
           {
             "mode": "normal",
             "enabled_component_count": 25,
-            "startup_ms": 0.668,
-            "full_lifespan_ms": 1.475,
+            "startup_ms": 0.702,
+            "full_lifespan_ms": 1.54,
             "stage_ms": {
-              "后台任务登记器": 0.081,
-              "数据库准备": 0.039,
-              "HTTP 基础能力": 0.032,
-              "领域依赖装配": 0.029,
-              "数据库引擎预热": 0.026,
-              "数据库连接预算": 0.025,
-              "路由": 0.023,
-              "模块服务": 0.026,
-              "插件备份恢复": 0.023,
+              "后台任务登记器": 0.09,
+              "数据库准备": 0.048,
+              "HTTP 基础能力": 0.03,
+              "领域依赖装配": 0.033,
+              "数据库引擎预热": 0.031,
+              "数据库连接预算": 0.031,
+              "路由": 0.028,
+              "模块服务": 0.022,
+              "插件备份恢复": 0.021,
               "插件": 0.025,
-              "定时器": 0.022,
+              "定时器": 0.023,
               "监控器": 0.021,
-              "待处理整理回放": 0.024,
-              "命令服务": 0.022,
-              "工作流": 0.02,
+              "待处理整理回放": 0.025,
+              "命令服务": 0.021,
+              "工作流": 0.023,
               "插件同步与启动收尾": 0.024
             },
             "threads_before": 2,
@@ -78,25 +78,25 @@
           {
             "mode": "normal",
             "enabled_component_count": 25,
-            "startup_ms": 0.644,
-            "full_lifespan_ms": 1.465,
+            "startup_ms": 0.667,
+            "full_lifespan_ms": 1.559,
             "stage_ms": {
-              "后台任务登记器": 0.073,
-              "数据库准备": 0.035,
-              "HTTP 基础能力": 0.032,
-              "领域依赖装配": 0.029,
-              "数据库引擎预热": 0.025,
-              "数据库连接预算": 0.025,
-              "路由": 0.025,
-              "模块服务": 0.024,
-              "插件备份恢复": 0.023,
-              "插件": 0.021,
-              "定时器": 0.023,
-              "监控器": 0.025,
-              "待处理整理回放": 0.024,
-              "命令服务": 0.023,
+              "后台任务登记器": 0.078,
+              "数据库准备": 0.037,
+              "HTTP 基础能力": 0.027,
+              "领域依赖装配": 0.03,
+              "数据库引擎预热": 0.027,
+              "数据库连接预算": 0.024,
+              "路由": 0.026,
+              "模块服务": 0.026,
+              "插件备份恢复": 0.026,
+              "插件": 0.025,
+              "定时器": 0.024,
+              "监控器": 0.024,
+              "待处理整理回放": 0.027,
+              "命令服务": 0.026,
               "工作流": 0.023,
-              "插件同步与启动收尾": 0.02
+              "插件同步与启动收尾": 0.021
             },
             "threads_before": 2,
             "threads_started": 2,
@@ -109,25 +109,25 @@
           {
             "mode": "normal",
             "enabled_component_count": 25,
-            "startup_ms": 0.661,
-            "full_lifespan_ms": 1.501,
+            "startup_ms": 0.735,
+            "full_lifespan_ms": 1.57,
             "stage_ms": {
-              "后台任务登记器": 0.073,
-              "数据库准备": 0.049,
-              "HTTP 基础能力": 0.032,
-              "领域依赖装配": 0.029,
-              "数据库引擎预热": 0.025,
+              "后台任务登记器": 0.103,
+              "数据库准备": 0.041,
+              "HTTP 基础能力": 0.031,
+              "领域依赖装配": 0.032,
+              "数据库引擎预热": 0.028,
               "数据库连接预算": 0.026,
-              "路由": 0.025,
-              "模块服务": 0.025,
-              "插件备份恢复": 0.023,
+              "路由": 0.027,
+              "模块服务": 0.026,
+              "插件备份恢复": 0.026,
               "插件": 0.025,
-              "定时器": 0.026,
+              "定时器": 0.024,
               "监控器": 0.025,
-              "待处理整理回放": 0.021,
-              "命令服务": 0.022,
+              "待处理整理回放": 0.024,
+              "命令服务": 0.024,
               "工作流": 0.024,
-              "插件同步与启动收尾": 0.021
+              "插件同步与启动收尾": 0.024
             },
             "threads_before": 2,
             "threads_started": 2,
@@ -138,8 +138,8 @@
             "database_connections_started": 0
           }
         ],
-        "median_startup_ms": 0.661,
-        "median_full_lifespan_ms": 1.475,
+        "median_startup_ms": 0.702,
+        "median_full_lifespan_ms": 1.559,
         "enabled_component_count": 25,
         "enabled_components": [
           "后台任务登记器",
@@ -174,41 +174,17 @@
           {
             "mode": "safe",
             "enabled_component_count": 13,
-            "startup_ms": 0.48,
-            "full_lifespan_ms": 0.905,
+            "startup_ms": 0.527,
+            "full_lifespan_ms": 0.956,
             "stage_ms": {
-              "后台任务登记器": 0.073,
-              "数据库准备": 0.043,
+              "后台任务登记器": 0.091,
+              "数据库准备": 0.042,
               "HTTP 基础能力": 0.03,
-              "领域依赖装配": 0.027,
-              "数据库引擎预热": 0.026,
-              "数据库连接预算": 0.025,
-              "路由": 0.025,
-              "模块服务": 0.025,
-              "插件同步与启动收尾": 0.022
-            },
-            "threads_before": 2,
-            "threads_started": 2,
-            "threads_after": 2,
-            "tasks_before": 1,
-            "tasks_started": 1,
-            "tasks_after": 1,
-            "database_connections_started": 0
-          },
-          {
-            "mode": "safe",
-            "enabled_component_count": 13,
-            "startup_ms": 0.51,
-            "full_lifespan_ms": 0.935,
-            "stage_ms": {
-              "后台任务登记器": 0.082,
-              "数据库准备": 0.039,
-              "HTTP 基础能力": 0.036,
-              "领域依赖装配": 0.032,
-              "数据库引擎预热": 0.024,
-              "数据库连接预算": 0.026,
+              "领域依赖装配": 0.03,
+              "数据库引擎预热": 0.028,
+              "数据库连接预算": 0.027,
               "路由": 0.026,
-              "模块服务": 0.025,
+              "模块服务": 0.026,
               "插件同步与启动收尾": 0.025
             },
             "threads_before": 2,
@@ -222,17 +198,41 @@
           {
             "mode": "safe",
             "enabled_component_count": 13,
-            "startup_ms": 0.564,
-            "full_lifespan_ms": 0.97,
+            "startup_ms": 0.523,
+            "full_lifespan_ms": 0.954,
             "stage_ms": {
-              "后台任务登记器": 0.092,
-              "数据库准备": 0.039,
+              "后台任务登记器": 0.082,
+              "数据库准备": 0.045,
               "HTTP 基础能力": 0.036,
-              "领域依赖装配": 0.031,
-              "数据库引擎预热": 0.03,
-              "数据库连接预算": 0.026,
-              "路由": 0.027,
-              "模块服务": 0.027,
+              "领域依赖装配": 0.033,
+              "数据库引擎预热": 0.026,
+              "数据库连接预算": 0.024,
+              "路由": 0.023,
+              "模块服务": 0.024,
+              "插件同步与启动收尾": 0.023
+            },
+            "threads_before": 2,
+            "threads_started": 2,
+            "threads_after": 2,
+            "tasks_before": 1,
+            "tasks_started": 1,
+            "tasks_after": 1,
+            "database_connections_started": 0
+          },
+          {
+            "mode": "safe",
+            "enabled_component_count": 13,
+            "startup_ms": 0.515,
+            "full_lifespan_ms": 0.934,
+            "stage_ms": {
+              "后台任务登记器": 0.084,
+              "数据库准备": 0.044,
+              "HTTP 基础能力": 0.029,
+              "领域依赖装配": 0.027,
+              "数据库引擎预热": 0.031,
+              "数据库连接预算": 0.028,
+              "路由": 0.023,
+              "模块服务": 0.022,
               "插件同步与启动收尾": 0.025
             },
             "threads_before": 2,
@@ -244,8 +244,8 @@
             "database_connections_started": 0
           }
         ],
-        "median_startup_ms": 0.51,
-        "median_full_lifespan_ms": 0.935,
+        "median_startup_ms": 0.523,
+        "median_full_lifespan_ms": 0.954,
         "enabled_component_count": 13,
         "enabled_components": [
           "后台任务登记器",
diff --git a/tests/test_architecture_adapter_imports.py b/tests/test_architecture_adapter_imports.py
index 6dc128d69..ae92da7e5 100644
--- a/tests/test_architecture_adapter_imports.py
+++ b/tests/test_architecture_adapter_imports.py
@@ -37,7 +37,7 @@ FROZEN_DIRECT_ADAPTER_IMPORTS = {
     ("app.application.security.cookie", "app.adapters.network.http"): "S2-L6",
     ("app.application.security.passkey", "app.adapters.cache.redis"): "S2-L4",
     ("app.application.torrent", "app.adapters.network.http"): "S2-L6",
-    ("app.application.transfer", "app.adapters.system.host"): "S2-L6",
+    ("app.application.transfer.workflow", "app.adapters.system.host"): "S2-L6",
     ("app.chain._recognition", "app.adapters.external.server"): "S2-L7",
     ("app.chain._transfer", "app.adapters.system.host"): "S2-L7",
     ("app.chain.download", "app.adapters.network.http"): "S2-L7",
diff --git a/tests/test_architecture_dependencies.py b/tests/test_architecture_dependencies.py
index d9396c3a7..ff914f626 100644
--- a/tests/test_architecture_dependencies.py
+++ b/tests/test_architecture_dependencies.py
@@ -82,6 +82,13 @@ RETIRED_CANONICAL_FILES = (
     "app/adapters/network/sites.pyi",
     "app/application/plugins.py",
     "app/application/subscribe.py",
+    "app/application/chain/durable_events.py",
+    "app/application/transfer.py",
+    "app/application/transfer_execution.py",
+    "app/db/adapters/transfer.py",
+    "app/db/adapters/transfer_execution.py",
+    "app/runtime/extensions/managed_resource_adapter.py",
+    "app/runtime/managed_resources.py",
     "app/startup/agent_initializer.py",
     "app/startup/cache_initializer.py",
     "app/startup/chain_events.py",
@@ -93,6 +100,7 @@ RETIRED_CANONICAL_FILES = (
     "app/startup/domain_initializer.py",
     "app/startup/download_failure.py",
     "app/startup/managed_resources_initializer.py",
+    "app/startup/initializers/managed_resources.py",
     "app/startup/modules_initializer.py",
     "app/startup/monitor_initializer.py",
     "app/startup/outbox.py",
@@ -481,9 +489,9 @@ def test_transfer_chains_use_explicit_data_port_getters():
 def test_transfer_pending_oper_import_is_confined_to_database_boundary():
     """宿主仅允许事务适配器和兼容导出直接导入整理待处理 Oper。"""
     allowed_paths = {
-        "app/db/adapters/transfer.py",
+        "app/db/adapters/transfer/admission.py",
         "app/db/adapters/chain.py",
-        "app/db/adapters/transfer_execution.py",
+        "app/db/adapters/transfer/execution.py",
         "app/db/oper/__init__.py",
     }
     violations: list[str] = []
@@ -520,7 +528,7 @@ def test_startup_injects_transactional_transfer_admission_repository():
     tree = ast.parse(path.read_text(encoding="utf-8-sig"), filename=str(path))
     imports_repository = any(
         isinstance(node, ast.ImportFrom)
-        and node.module == "app.db.adapters.transfer"
+        and node.module == "app.db.adapters.transfer.admission"
         and any(
             alias.name == "TransactionalTransferAdmissionRepository"
             for alias in node.names
diff --git a/tests/test_chain_durable_events.py b/tests/test_chain_durable_events.py
index a516f3f43..4d540b8a4 100644
--- a/tests/test_chain_durable_events.py
+++ b/tests/test_chain_durable_events.py
@@ -11,7 +11,7 @@ from sqlalchemy import create_engine, delete, select
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import sessionmaker
 
-from app.application.chain.durable_events import (
+from app.application.chain.events import (
     TransferResultSettlement,
     download_added_event_key,
     restore_download_added,
@@ -21,7 +21,7 @@ from app.application.chain.durable_events import (
     transfer_result_event_key,
 )
 from app.application.history import TransferHistoryMutationCommand
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionLeaseLostError,
     TransferSettlementResult,
 )
diff --git a/tests/test_db_transferpending_queries.py b/tests/test_db_transferpending_queries.py
index 942896378..2535b50d6 100644
--- a/tests/test_db_transferpending_queries.py
+++ b/tests/test_db_transferpending_queries.py
@@ -12,7 +12,7 @@ from sqlalchemy import create_engine, select
 from sqlalchemy.orm import sessionmaker
 
 from app.db import base as db_base
-from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
+from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
 from app.db.models.transferhistory import TransferHistory
 from app.db.models.transferpending import TransferPending
 from app.db.oper.transferpending import TransferPendingOper
diff --git a/tests/test_filemanager_planning.py b/tests/test_filemanager_planning.py
index bdd610281..9785be525 100644
--- a/tests/test_filemanager_planning.py
+++ b/tests/test_filemanager_planning.py
@@ -3,7 +3,7 @@ from pathlib import Path
 
 import pytest
 
-from app.application.transfer import TransferPlanCheckpoint, TransferPlanningInput
+from app.application.transfer.workflow import TransferPlanCheckpoint, TransferPlanningInput
 from app.domain.context import MediaInfo
 from app.domain.meta.metabase import MetaBase
 from app.modules.filemanager import transhandler as transhandler_module
diff --git a/tests/test_history_ai_retry_gate.py b/tests/test_history_ai_retry_gate.py
index fdcac2bf3..c858ca903 100644
--- a/tests/test_history_ai_retry_gate.py
+++ b/tests/test_history_ai_retry_gate.py
@@ -8,7 +8,7 @@ from types import SimpleNamespace
 from app.agent.tools.impl.delete_transfer_history import DeleteTransferHistoryTool
 from app.api.endpoints import history as history_endpoint
 from app.application.configuration import ApiRuntimeConfig
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionState,
     TransferRetryRequestResult,
 )
diff --git a/tests/test_legacy_db_behavior_compat.py b/tests/test_legacy_db_behavior_compat.py
index 938c930e7..ccbedf474 100644
--- a/tests/test_legacy_db_behavior_compat.py
+++ b/tests/test_legacy_db_behavior_compat.py
@@ -2,7 +2,7 @@ import importlib
 
 import pytest
 
-from app.application.transfer import TransferTask as CanonicalTransferTask
+from app.application.transfer.workflow import TransferTask as CanonicalTransferTask
 from app.db.models.transferhistory import TransferHistory
 from app.schemas.file import FileItem
 
diff --git a/tests/test_legacy_import_compat.py b/tests/test_legacy_import_compat.py
index 2dc7eee88..9cf25d2e4 100644
--- a/tests/test_legacy_import_compat.py
+++ b/tests/test_legacy_import_compat.py
@@ -189,6 +189,37 @@ for legacy_name, alias in MODULE_ALIASES.items():
     )
 
 
+def test_renamed_modules_use_exact_compat_routes() -> None:
+    """旧模块路径只经 manifest 复用新的 canonical 模块。"""
+    expected = {
+        "app.application.chain.durable_events": "app.application.chain.events",
+        "app.application.transfer_execution": "app.application.transfer.execution",
+        "app.runtime.managed_resources": "app.runtime.resources",
+    }
+    configure_legacy_import_diagnostics(enabled=False, emitter=lambda _: None)
+    try:
+        for legacy_name, target_name in expected.items():
+            assert MODULE_ALIASES[legacy_name].target == target_name
+            assert importlib.import_module(legacy_name) is importlib.import_module(target_name)
+    finally:
+        reset_legacy_import_diagnostics()
+
+
+def test_transfer_package_exposes_plugin_symbols_only_through_overlay() -> None:
+    """整理包不重导出宿主实现，只按兼容清单惰性提供插件旧符号。"""
+    configure_legacy_import_diagnostics(enabled=False, emitter=lambda _: None)
+    try:
+        package = importlib.import_module("app.application.transfer")
+        legacy = importlib.import_module("app.sdk._legacy.transfer")
+
+        assert package.TransferTask is legacy.TransferTask
+        assert package.TransferQueue is legacy.TransferQueue
+        assert "TransferTask" not in package.__all__
+        assert "TransferQueue" not in package.__all__
+    finally:
+        reset_legacy_import_diagnostics()
+
+
 def test_virtual_package_exports_resolve_exact_manifest_symbols():
     """合成旧包仅公开 manifest 声明的符号，并记录 DEBUG 兼容警告。"""
     legacy_package = "app.core.meta"
diff --git a/tests/test_managed_resources.py b/tests/test_managed_resources.py
index 80694fab8..d976b2620 100644
--- a/tests/test_managed_resources.py
+++ b/tests/test_managed_resources.py
@@ -13,18 +13,18 @@ from unittest.mock import MagicMock
 
 import pytest
 
+from app.runtime import resources as managed_resource_facade
 from app.runtime.capabilities.errors import (
     CapabilityOperationError,
     CapabilityRuntimeClosedError,
 )
 from app.runtime.capabilities.runtime import CapabilityRuntime
-from app.runtime.extensions.managed_resource_adapter import (
+from app.runtime.extensions.resource import (
     AsyncManagedResourceAdapter,
     SyncManagedResourceAdapter,
     build_managed_resource_registry,
 )
-from app.runtime import managed_resources as managed_resource_facade
-from app.runtime.managed_resources import (
+from app.runtime.resources import (
     MANAGED_RESOURCE_ASYNC_KIND,
     MANAGED_RESOURCE_SYNC_KIND,
     acquire_managed_resource,
@@ -35,7 +35,6 @@ from app.runtime.managed_resources import (
     shutdown_managed_resource_runtime,
 )
 
-
 PROJECT_ROOT = Path(__file__).parents[1]
 
 
@@ -346,7 +345,7 @@ def test_startup_initializer_discovers_manifest_without_importing_resource() ->
     script = """
 import asyncio
 import sys
-from app.startup.initializers.managed_resources import (
+from app.startup.initializers.resources import (
     init_managed_resources,
     stop_managed_resources,
 )
@@ -372,7 +371,7 @@ assert "pyvirtualdisplay" not in sys.modules
 
 def test_startup_shutdown_without_init_does_not_build_registry(monkeypatch) -> None:
     """未执行启动装配时，关闭入口不得通过发现声明反向初始化 Runtime。"""
-    from app.startup.initializers import managed_resources as managed_resources_initializer
+    from app.startup.initializers import resources as managed_resources_initializer
 
     build_registry = MagicMock(side_effect=AssertionError("must not discover"))
     monkeypatch.setattr(
diff --git a/tests/test_manual_transfer_history.py b/tests/test_manual_transfer_history.py
index a97986c8b..a30621a72 100644
--- a/tests/test_manual_transfer_history.py
+++ b/tests/test_manual_transfer_history.py
@@ -2,18 +2,20 @@ from types import SimpleNamespace
 
 from app.api.endpoints.transfer import (
     manual_transfer as manual_transfer_endpoint,
+)
+from app.api.endpoints.transfer import (
     query_manual_transfer_history,
 )
-from app.chain.transfer import TransferChain
-from app.runtime.config import settings
-from app.db.oper.transferhistory import TransferHistoryOper
 from app.application.history import (
     clear_transfer_failures,
     failed_retry_count,
     max_failed_retries,
     record_transfer_failure,
 )
-from app.schemas import ManualTransferItem
+from app.chain.transfer import TransferChain
+from app.db.oper.transferhistory import TransferHistoryOper
+from app.runtime.config import settings
+from app.schemas.transfer import ManualTransferItem
 from tests.test_transfer_sync_extra_files import (
     FakeMeta,
     make_fileitem,
@@ -72,12 +74,6 @@ def _patch_transfer_planning(monkeypatch, chain, fileitem, history, planned, del
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
diff --git a/tests/test_music_transfer.py b/tests/test_music_transfer.py
index 98fafde71..36649e6c9 100644
--- a/tests/test_music_transfer.py
+++ b/tests/test_music_transfer.py
@@ -5,7 +5,7 @@ from unittest.mock import Mock
 from jinja2 import Template
 
 from app.application.messaging.message import TemplateHelper
-from app.application.transfer import TransferTask
+from app.application.transfer.workflow import TransferTask
 from app.chain.media import MediaChain
 from app.chain.transfer import JobManager, TransferChain
 from app.domain.context import MusicInfo
diff --git a/tests/test_transfer_durable_retry_owner.py b/tests/test_transfer_durable_retry_owner.py
index e5a33000d..5d10e02cb 100644
--- a/tests/test_transfer_durable_retry_owner.py
+++ b/tests/test_transfer_durable_retry_owner.py
@@ -2,7 +2,7 @@
 
 from types import SimpleNamespace
 
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionState,
     TransferRetryRequestResult,
 )
diff --git a/tests/test_transfer_execution_migration.py b/tests/test_transfer_execution_migration.py
index a45d5466e..1a7deb3df 100644
--- a/tests/test_transfer_execution_migration.py
+++ b/tests/test_transfer_execution_migration.py
@@ -11,7 +11,7 @@ from alembic.migration import MigrationContext
 from alembic.operations import Operations
 from sqlalchemy.orm import sessionmaker
 
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCommand,
     TransferExecutionConflictError,
     TransferExecutionState,
@@ -20,7 +20,7 @@ from app.application.transfer_execution import (
     TransferStepIntent,
     TransferStepResult,
 )
-from app.db.adapters.transfer_execution import (
+from app.db.adapters.transfer.execution import (
     TransactionalTransferExecutionRepository,
 )
 from app.db.models.transferpending import TransferPending
diff --git a/tests/test_transfer_execution_persistence.py b/tests/test_transfer_execution_persistence.py
index 1249ee570..1247dd910 100644
--- a/tests/test_transfer_execution_persistence.py
+++ b/tests/test_transfer_execution_persistence.py
@@ -6,7 +6,7 @@ import pytest
 from sqlalchemy import create_engine, select
 from sqlalchemy.orm import sessionmaker
 
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCheckpoint,
     TransferExecutionCommand,
     TransferExecutionConflictError,
@@ -20,7 +20,7 @@ from app.application.transfer_execution import (
     build_transfer_checkpoint_fingerprint,
     build_transfer_operation_id,
 )
-from app.db.adapters.transfer_execution import (
+from app.db.adapters.transfer.execution import (
     TransactionalTransferExecutionRepository,
 )
 from app.db.base import Base
diff --git a/tests/test_transfer_execution_runner.py b/tests/test_transfer_execution_runner.py
index e9f8637d6..74bfc37f0 100644
--- a/tests/test_transfer_execution_runner.py
+++ b/tests/test_transfer_execution_runner.py
@@ -8,7 +8,7 @@ import pytest
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCommand,
     TransferExecutionState,
     TransferOperationObservation,
@@ -17,7 +17,7 @@ from app.application.transfer_execution import (
     TransferStepResult,
 )
 from app.chain import transfer as transfer_chain_module
-from app.db.adapters.transfer_execution import (
+from app.db.adapters.transfer.execution import (
     TransactionalTransferExecutionRepository,
 )
 from app.db.base import Base
diff --git a/tests/test_transfer_failed_retry_scheduler.py b/tests/test_transfer_failed_retry_scheduler.py
index a273cda0c..4fb794fd2 100644
--- a/tests/test_transfer_failed_retry_scheduler.py
+++ b/tests/test_transfer_failed_retry_scheduler.py
@@ -5,7 +5,7 @@ from unittest.mock import Mock, patch
 
 import pytest
 
-from app.application.transfer import FailedRetryScheduler
+from app.application.transfer.workflow import FailedRetryScheduler
 
 
 def test_retry_scheduler_close_cancels_buffered_timer_and_rejects_new_work():
@@ -76,7 +76,7 @@ def test_retry_scheduler_observes_unexpected_background_task_error():
             raise RuntimeError("flush failed")
 
         scheduler._flush_retry_transfer = failing_flush
-        with patch("app.application.transfer.logger.error", Mock()) as log_error:
+        with patch("app.application.transfer.workflow.logger.error", Mock()) as log_error:
             await scheduler.schedule_retry(11, group_key="media:test")
             for _ in range(5):
                 await asyncio.sleep(0)
diff --git a/tests/test_transfer_failure_notification_aggregation.py b/tests/test_transfer_failure_notification_aggregation.py
index c19415389..0449372b6 100644
--- a/tests/test_transfer_failure_notification_aggregation.py
+++ b/tests/test_transfer_failure_notification_aggregation.py
@@ -1,16 +1,16 @@
-from unittest.mock import Mock, patch
 from types import SimpleNamespace
+from unittest.mock import Mock, patch
 
 import pytest
 
-from app.chain import transfer as transfer_module
-from app.chain.transfer import TransferChain
-from app.application.transfer import (
+from app.application.transfer.workflow import (
     TransferFailureNotification,
     TransferFailureNotificationAggregator,
     TransferTask,
     build_transfer_failure_group_key,
 )
+from app.chain import transfer as transfer_module
+from app.chain.transfer import TransferChain
 from app.domain.context import MediaInfo
 from app.domain.metainfo import MetaInfo
 from app.runtime.config import ConfigModel
@@ -247,7 +247,7 @@ def test_aggregator_close_observes_flush_callback_error():
         loop=loop,
     )
 
-    with patch("app.application.transfer.logger.error") as log_error:
+    with patch("app.application.transfer.workflow.logger.error") as log_error:
         aggregator.close()
 
     callback.assert_called_once_with([notice])
diff --git a/tests/test_transfer_job_manager.py b/tests/test_transfer_job_manager.py
index 9c973ad0e..0b2b142e3 100644
--- a/tests/test_transfer_job_manager.py
+++ b/tests/test_transfer_job_manager.py
@@ -9,7 +9,7 @@ from app.application.history import (
     failed_retry_count,
     record_transfer_failure,
 )
-from app.application.transfer import (
+from app.application.transfer.workflow import (
     TransferAdmission,
     TransferPlanningInput,
     TransferTask,
diff --git a/tests/test_transfer_lease_persistence.py b/tests/test_transfer_lease_persistence.py
index f45c73396..b63c99a38 100644
--- a/tests/test_transfer_lease_persistence.py
+++ b/tests/test_transfer_lease_persistence.py
@@ -9,7 +9,7 @@ import pytest
 from sqlalchemy import create_engine, select, text
 from sqlalchemy.orm import sessionmaker
 
-from app.application.transfer import (
+from app.application.transfer.workflow import (
     TRANSFER_ADMISSION_PLANNED,
     TransferAdmission,
     TransferAdmissionProjectionError,
@@ -19,7 +19,7 @@ from app.application.transfer import (
     TransferProviderInvocationSnapshot,
     TransferProviderReference,
 )
-from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
+from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
 from app.db.models.transferhistory import TransferHistory
 from app.db.models.transferpending import TransferPending
 from app.db.oper.transferpending import TransferPendingOper
@@ -321,7 +321,7 @@ def test_claim_recoverable_skips_corrupt_projection_and_claims_later_tasks(
     repository = repository_factory()
     messages: list[str] = []
     monkeypatch.setattr(
-        "app.db.adapters.transfer._diagnostic_logger.error",
+        "app.db.adapters.transfer.admission._diagnostic_logger.error",
         messages.append,
     )
     corrupt = _admit(repository, "/downloads/a-corrupt.mkv")
@@ -389,7 +389,7 @@ def test_projection_diagnostic_changes_are_recorded_once_each(
     repository = repository_factory()
     messages: list[str] = []
     monkeypatch.setattr(
-        "app.db.adapters.transfer._diagnostic_logger.error",
+        "app.db.adapters.transfer.admission._diagnostic_logger.error",
         messages.append,
     )
     admitted = _admit(repository, "/downloads/changing-corrupt.mkv")
@@ -459,7 +459,7 @@ def test_projection_diagnostic_cas_is_concurrency_safe(
             messages.append(message)
 
     monkeypatch.setattr(
-        "app.db.adapters.transfer._diagnostic_logger.error",
+        "app.db.adapters.transfer.admission._diagnostic_logger.error",
         capture,
     )
     barrier = Barrier(2)
@@ -498,7 +498,7 @@ def test_projection_diagnostic_does_not_overwrite_active_lease(
     before = _pending_snapshot(repository, admitted.task_id)
     messages: list[str] = []
     monkeypatch.setattr(
-        "app.db.adapters.transfer._diagnostic_logger.error",
+        "app.db.adapters.transfer.admission._diagnostic_logger.error",
         messages.append,
     )
 
diff --git a/tests/test_transfer_legacy_terminal_compat.py b/tests/test_transfer_legacy_terminal_compat.py
index cf90f8e57..8a0c3488f 100644
--- a/tests/test_transfer_legacy_terminal_compat.py
+++ b/tests/test_transfer_legacy_terminal_compat.py
@@ -4,7 +4,7 @@ import threading
 from types import SimpleNamespace
 from unittest.mock import Mock, patch
 
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCheckpoint,
     TransferSettlementResult,
 )
diff --git a/tests/test_transfer_manual_review_api.py b/tests/test_transfer_manual_review_api.py
index ed2342f98..111c5b5d1 100644
--- a/tests/test_transfer_manual_review_api.py
+++ b/tests/test_transfer_manual_review_api.py
@@ -11,7 +11,7 @@ from pydantic import ValidationError
 
 from app.api.dependencies.auth import get_current_active_manage_user
 from app.api.endpoints import transfer as transfer_endpoint
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionConflictError,
     TransferExecutionState,
     TransferManualReviewDecision,
diff --git a/tests/test_transfer_manual_review_discovery.py b/tests/test_transfer_manual_review_discovery.py
index 6d9011602..00a722ff3 100644
--- a/tests/test_transfer_manual_review_discovery.py
+++ b/tests/test_transfer_manual_review_discovery.py
@@ -8,14 +8,14 @@ from sqlalchemy import create_engine, select
 from sqlalchemy.orm import sessionmaker
 
 from app.api.endpoints import transfer as transfer_endpoint
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCommand,
     TransferExecutionState,
     TransferManualReviewQuery,
     TransferStepIntent,
     TransferStepResult,
 )
-from app.db.adapters.transfer_execution import (
+from app.db.adapters.transfer.execution import (
     TransactionalTransferExecutionRepository,
 )
 from app.db.base import Base
diff --git a/tests/test_transfer_mark_torrent_completed.py b/tests/test_transfer_mark_torrent_completed.py
index cff7ca63b..ecc7731e4 100644
--- a/tests/test_transfer_mark_torrent_completed.py
+++ b/tests/test_transfer_mark_torrent_completed.py
@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 from types import SimpleNamespace
 
+from app.application.transfer.workflow import TransferTask
 from app.chain.transfer import JobManager, TransferChain
 from app.domain.meta.metabase import MetaBase
 from app.runtime.config import settings
-from app.schemas import FileItem
-from app.application.transfer import TransferTask
+from app.schemas.file import FileItem
 from app.schemas.types import MediaType
 
 
diff --git a/tests/test_transfer_mounted_disk_cleanup.py b/tests/test_transfer_mounted_disk_cleanup.py
index ad11c0629..ff96a9a43 100644
--- a/tests/test_transfer_mounted_disk_cleanup.py
+++ b/tests/test_transfer_mounted_disk_cleanup.py
@@ -2,10 +2,11 @@ from pathlib import Path
 from types import SimpleNamespace
 from unittest.mock import patch
 
-from app.chain.transfer import TransferChain
-from app.schemas import FileItem, TransferDirectoryConf
-from app.application.transfer import TransferTask
 from app.adapters.system.host import SystemUtils
+from app.application.transfer.workflow import TransferTask
+from app.chain.transfer import TransferChain
+from app.schemas.file import FileItem
+from app.schemas.system import TransferDirectoryConf
 
 
 def _make_task(
diff --git a/tests/test_transfer_movie_collection.py b/tests/test_transfer_movie_collection.py
index 523cccfa7..7c1ed1a3a 100644
--- a/tests/test_transfer_movie_collection.py
+++ b/tests/test_transfer_movie_collection.py
@@ -2,12 +2,13 @@ from types import SimpleNamespace
 
 import pytest
 
+from app.application.transfer.workflow import TransferTask
 from app.chain.transfer import TransferChain
-from app.runtime.config import settings
 from app.domain.context import MediaInfo
 from app.domain.meta.metabase import MetaBase
-from app.schemas import DownloadHistory, FileItem
-from app.application.transfer import TransferTask
+from app.runtime.config import settings
+from app.schemas.file import FileItem
+from app.schemas.history import DownloadHistory
 from app.schemas.types import MediaType
 
 
@@ -192,7 +193,6 @@ def test_movie_collection_conflict_only_drops_automatic_media(
     )
     monkeypatch.setattr("app.chain._transfer.get_chain_transfer_history_port", lambda: SimpleNamespace(get_by_src=lambda src, storage=None: None))
     monkeypatch.setattr("app.chain.transfer.get_chain_download_history_port", lambda: history_oper)
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: history_oper)
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
diff --git a/tests/test_transfer_music_job_media.py b/tests/test_transfer_music_job_media.py
index c15f3eb54..676a06b98 100644
--- a/tests/test_transfer_music_job_media.py
+++ b/tests/test_transfer_music_job_media.py
@@ -1,8 +1,8 @@
 from app import schemas
-from app.application.transfer import TransferTask
+from app.application.transfer.workflow import TransferTask
 from app.chain.transfer import JobManager
 from app.domain.meta.metamusic import MetaMusic
-from app.schemas import FileItem
+from app.schemas.file import FileItem
 
 
 def _music_task() -> TransferTask:
diff --git a/tests/test_transfer_overwrite_declined.py b/tests/test_transfer_overwrite_declined.py
index c69cba4bc..9f3a28aa0 100644
--- a/tests/test_transfer_overwrite_declined.py
+++ b/tests/test_transfer_overwrite_declined.py
@@ -11,7 +11,7 @@ from unittest.mock import MagicMock, patch
 
 import pytest
 
-from app.application.transfer_execution import (
+from app.application.transfer.execution import (
     TransferExecutionCheckpoint,
     TransferSettlementResult,
 )
diff --git a/tests/test_transfer_pending_legacy_compat.py b/tests/test_transfer_pending_legacy_compat.py
index 7a5de43d7..cc5037f04 100644
--- a/tests/test_transfer_pending_legacy_compat.py
+++ b/tests/test_transfer_pending_legacy_compat.py
@@ -50,7 +50,7 @@ def test_legacy_import_targets_private_sdk_facade() -> None:
 
     assert alias.target == "app.sdk._legacy.transferpending"
     assert alias.owner == "sdk"
-    assert alias.replacement == "app.application.transfer"
+    assert alias.replacement == "app.application.transfer.workflow"
     assert legacy is importlib.import_module(alias.target)
     assert legacy.__all__ == ["TransferPendingOper"]
     assert not hasattr(legacy, "TransferPending")
diff --git a/tests/test_transfer_pending_replay.py b/tests/test_transfer_pending_replay.py
index 6108e5dde..1b55e50ef 100644
--- a/tests/test_transfer_pending_replay.py
+++ b/tests/test_transfer_pending_replay.py
@@ -13,7 +13,7 @@ from dataclasses import replace
 from pathlib import Path
 from unittest.mock import MagicMock
 
-from app.application.transfer import TransferAdmission, TransferPlanningInput, TransferTask
+from app.application.transfer.workflow import TransferAdmission, TransferPlanningInput, TransferTask
 from app.chain.transfer import TransferChain
 from app.schemas.file import FileItem
 
diff --git a/tests/test_transfer_planning_checkpoint.py b/tests/test_transfer_planning_checkpoint.py
index 83948261a..c25873d3c 100644
--- a/tests/test_transfer_planning_checkpoint.py
+++ b/tests/test_transfer_planning_checkpoint.py
@@ -12,14 +12,14 @@ import pytest
 from sqlalchemy import create_engine, select
 from sqlalchemy.orm import sessionmaker
 
-from app.application import transfer as transfer_application
-from app.application.transfer import TransferTask
-from app.application.transfer_execution import (
+from app.application.transfer import workflow as transfer_application
+from app.application.transfer.execution import (
     TransferExecutionCheckpoint,
     TransferSettlementResult,
 )
+from app.application.transfer.workflow import TransferTask
 from app.chain.transfer import TransferChain
-from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
+from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
 from app.db.models.transferhistory import TransferHistory
 from app.db.models.transferpending import TransferPending
 from app.domain.context import MediaInfo
diff --git a/tests/test_transfer_planning_compat.py b/tests/test_transfer_planning_compat.py
index 7b653dcee..86f5571d9 100644
--- a/tests/test_transfer_planning_compat.py
+++ b/tests/test_transfer_planning_compat.py
@@ -6,7 +6,7 @@ from unittest.mock import Mock
 
 import pytest
 
-from app.application.transfer import TransferTask
+from app.application.transfer.workflow import TransferTask
 from app.chain import ChainBase
 from app.chain.transfer import TransferChain
 from app.modules.filemanager.module import FileManagerModule
diff --git a/tests/test_transfer_planning_migration.py b/tests/test_transfer_planning_migration.py
index f37a1e5cd..3997db772 100644
--- a/tests/test_transfer_planning_migration.py
+++ b/tests/test_transfer_planning_migration.py
@@ -10,7 +10,7 @@ import sqlalchemy as sa
 from alembic.migration import MigrationContext
 from alembic.operations import Operations
 
-from app.application.transfer import TransferPlanningInput
+from app.application.transfer.workflow import TransferPlanningInput
 from app.db.models.transferpending import TransferPending
 
 try:
diff --git a/tests/test_transfer_planning_persistence.py b/tests/test_transfer_planning_persistence.py
index 6df131c74..8bdecb4da 100644
--- a/tests/test_transfer_planning_persistence.py
+++ b/tests/test_transfer_planning_persistence.py
@@ -6,7 +6,7 @@ import pytest
 from sqlalchemy import create_engine, select
 from sqlalchemy.orm import sessionmaker
 
-from app.application.transfer import (
+from app.application.transfer.workflow import (
     TRANSFER_ADMISSION_ACCEPTED,
     TRANSFER_ADMISSION_PLANNED,
     TRANSFER_ADMISSION_PROVIDER_PENDING,
@@ -19,7 +19,7 @@ from app.application.transfer import (
     TransferProviderInvocationSnapshot,
     TransferProviderReference,
 )
-from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
+from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
 from app.db.models.transferhistory import TransferHistory
 from app.db.models.transferpending import TransferPending
 
diff --git a/tests/test_transfer_queue_service.py b/tests/test_transfer_queue_service.py
index cdc8bb547..0c9fdbcfe 100644
--- a/tests/test_transfer_queue_service.py
+++ b/tests/test_transfer_queue_service.py
@@ -5,8 +5,8 @@ import pytest
 from sqlalchemy import create_engine, select
 from sqlalchemy.orm import sessionmaker
 
-from app.application.transfer import TransferAdmission, TransferQueueService
-from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
+from app.application.transfer.workflow import TransferAdmission, TransferQueueService
+from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
 from app.db.models.transferhistory import TransferHistory
 from app.db.models.transferpending import TransferPending
 from app.schemas.file import FileItem
diff --git a/tests/test_transfer_settling_recovery.py b/tests/test_transfer_settling_recovery.py
index a29669d36..33f7d219d 100644
--- a/tests/test_transfer_settling_recovery.py
+++ b/tests/test_transfer_settling_recovery.py
@@ -9,19 +9,19 @@ import pytest
 from sqlalchemy import create_engine, select
 from sqlalchemy.orm import sessionmaker
 
-from app.application.transfer import (
+from app.application.transfer.execution import (
+    TransferExecutionCheckpoint,
+    TransferExecutionSnapshot,
+    TransferExecutionState,
+)
+from app.application.transfer.workflow import (
     TransferAdmission,
     TransferPlanCheckpoint,
     TransferPlanningInput,
     TransferTask,
 )
-from app.application.transfer_execution import (
-    TransferExecutionCheckpoint,
-    TransferExecutionSnapshot,
-    TransferExecutionState,
-)
 from app.chain.transfer import TransferChain
-from app.db.adapters.transfer import TransactionalTransferAdmissionRepository
+from app.db.adapters.transfer.admission import TransactionalTransferAdmissionRepository
 from app.db.models.transferhistory import TransferHistory
 from app.db.models.transferpending import TransferPending
 from app.schemas.file import FileItem
diff --git a/tests/test_transfer_stale_tasks.py b/tests/test_transfer_stale_tasks.py
index 90210bb0d..6da22a3e5 100644
--- a/tests/test_transfer_stale_tasks.py
+++ b/tests/test_transfer_stale_tasks.py
@@ -1,10 +1,10 @@
 """整理任务失活收敛行为测试。"""
 
+from app.application.transfer import workflow as app_transfer
+from app.application.transfer.workflow import TransferTask
 from app.chain.transfer import JobManager
 from app.domain.meta.metabase import MetaBase
-from app.schemas import FileItem
-from app.application.transfer import TransferTask
-from app.application import transfer as app_transfer
+from app.schemas.file import FileItem
 from app.schemas.types import MediaType
 
 
diff --git a/tests/test_transfer_sync_extra_files.py b/tests/test_transfer_sync_extra_files.py
index 3f1de01c5..0c9947066 100644
--- a/tests/test_transfer_sync_extra_files.py
+++ b/tests/test_transfer_sync_extra_files.py
@@ -148,12 +148,6 @@ def test_sync_extra_subtitle_inherits_matching_video_episode(monkeypatch):
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
@@ -245,12 +239,6 @@ def test_single_subtitle_transfer_reuses_same_name_video_episode(monkeypatch):
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
@@ -360,12 +348,6 @@ def test_single_video_transfer_lists_parent_once_for_same_name_extra(monkeypatch
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
@@ -458,12 +440,6 @@ def test_episode_format_filters_extra_files_before_sync_planning(monkeypatch):
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
@@ -545,12 +521,6 @@ def test_episode_format_keeps_matching_extra_files_following_main(monkeypatch):
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
@@ -641,12 +611,6 @@ def test_single_matching_subtitle_uses_unmatched_video_only_as_context(monkeypat
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
@@ -741,12 +705,6 @@ def test_cleanup_dest_fileitem_is_checkpointed_only_after_allowed_items_exist(mo
             get_by_path=lambda path: None,
         ),
     )
-    monkeypatch.setattr("app.chain._transfer.get_chain_download_history_port", lambda: SimpleNamespace(
-            get_by_hash=lambda download_hash: None,
-            get_file_by_fullpath=lambda fullpath: None,
-            get_files_by_savepath=lambda savepath: [],
-            get_by_path=lambda path: None,
-        ))
     monkeypatch.setattr(
         "app.chain.transfer.get_configured_system_config",
         lambda: SimpleNamespace(get=lambda key: None),
diff --git a/tests/test_transfer_tmdb_category.py b/tests/test_transfer_tmdb_category.py
index 1d74228f0..045caa7d4 100644
--- a/tests/test_transfer_tmdb_category.py
+++ b/tests/test_transfer_tmdb_category.py
@@ -1,10 +1,11 @@
 from types import SimpleNamespace
 
+from app.application.transfer.workflow import TransferTask
 from app.chain.transfer import TransferChain
 from app.domain.context import MediaInfo
 from app.domain.metainfo import MetaInfo
-from app.schemas import FileItem, TransferDirectoryConf
-from app.application.transfer import TransferTask
+from app.schemas.file import FileItem
+from app.schemas.system import TransferDirectoryConf
 from app.schemas.types import MediaSource, MediaType
 
 
diff --git a/tests/test_transfer_worker_lifecycle.py b/tests/test_transfer_worker_lifecycle.py
index 8ddc6af22..c89cb52a0 100644
--- a/tests/test_transfer_worker_lifecycle.py
+++ b/tests/test_transfer_worker_lifecycle.py
@@ -10,7 +10,7 @@ from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 
-from app.application.transfer import TransferAdmission, TransferQueue, TransferTask
+from app.application.transfer.workflow import TransferAdmission, TransferQueue, TransferTask
 from app.chain.transfer import TransferChain
 from app.foundation.singleton import Singleton
 from app.runtime.config import global_vars
diff --git a/tests/test_transhandler_special_extra.py b/tests/test_transhandler_special_extra.py
index d74faf6b3..f2bbef999 100644
--- a/tests/test_transhandler_special_extra.py
+++ b/tests/test_transhandler_special_extra.py
@@ -3,7 +3,7 @@ from unittest.mock import MagicMock
 
 import pytest
 
-from app.application.transfer import TransferPlanningInput
+from app.application.transfer.workflow import TransferPlanningInput
 from app.domain.context import MediaInfo
 from app.domain.meta.metavideo import MetaVideo
 from app.modules.filemanager.transhandler import TransHandler