refactor: normalize capability module paths

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,

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

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,