refactor(startup): move domain assembly to composition

app/startup/composition/domain.py

@@ -0,0 +1,43 @@
+"""领域规则、解析运行时与技术端口的宿主组合 owner。"""
+
+from app.adapters.network.resolver import SocketDnsResolver
+from app.adapters.system import rust as rust_accelerator
+from app.adapters.system.host import SystemUtils
+from app.application.directory import configure_disk_topology
+from app.application.recognition import RecognitionRuleService
+from app.application.rules import configure_filter_rule_parser
+from app.application.security.url import configure_dns_resolver
+from app.application.transfer.workflow import configure_directory_size
+from app.domain.media import configure_search_source_provider
+from app.domain.meta.customization import configure_customization_provider
+from app.domain.meta.releasegroup import configure_release_groups_provider
+from app.domain.meta.runtime import configure_recognition_runtime
+from app.domain.meta.words import configure_custom_words_provider
+from app.domain.metainfo import clear_rust_parse_options_cache
+from app.runtime.settings import get_runtime_setting
+
+
+def compose_domain_dependencies() -> None:
+    """构造并发布领域模型使用的规则、配置和技术 Adapter。"""
+    from app.domain.projection.tmdb import configure_image_url_builder
+
+    rule_service = RecognitionRuleService()
+    configure_dns_resolver(SocketDnsResolver())
+    configure_disk_topology(SystemUtils)
+    configure_filter_rule_parser(rust_accelerator)
+    configure_directory_size(SystemUtils)
+    configure_customization_provider(rule_service.get_customization)
+    configure_release_groups_provider(rule_service.get_release_groups)
+    configure_custom_words_provider(rule_service.get_custom_words)
+    configure_search_source_provider(lambda: get_runtime_setting("SEARCH_SOURCE"))
+    configure_image_url_builder(get_runtime_setting("TMDB_IMAGE_URL"))
+    configure_recognition_runtime(
+        media_extensions_provider=lambda: (
+            *get_runtime_setting("RMT_MEDIAEXT"),
+            *get_runtime_setting("RMT_SUBEXT"),
+            *get_runtime_setting("RMT_AUDIOEXT"),
+        ),
+        audio_extensions_provider=lambda: get_runtime_setting("RMT_AUDIOEXT"),
+        accelerator=rust_accelerator,
+    )
+    clear_rust_parse_options_cache()

app/startup/initializers/domain.py

@@ -1,41 +1,8 @@
-from app.adapters.network.resolver import SocketDnsResolver
-from app.adapters.system import rust as rust_accelerator
-from app.adapters.system.host import SystemUtils
-from app.application.directory import configure_disk_topology
-from app.application.recognition import RecognitionRuleService
-from app.application.rules import configure_filter_rule_parser
-from app.application.security.url import configure_dns_resolver
-from app.application.transfer.workflow import configure_directory_size
-from app.domain.media import configure_search_source_provider
-from app.domain.meta.customization import configure_customization_provider
-from app.domain.meta.releasegroup import configure_release_groups_provider
-from app.domain.meta.runtime import configure_recognition_runtime
-from app.domain.meta.words import configure_custom_words_provider
-from app.domain.metainfo import clear_rust_parse_options_cache
-from app.runtime.settings import get_runtime_setting
+"""领域依赖生命周期入口。"""
+
+from app.startup.composition.domain import compose_domain_dependencies
 
 
 def configure_domain_dependencies() -> None:
-    """在组合根集中注入领域模型需要的配置、持久化规则和加速适配器。"""
-    from app.domain.projection.tmdb import configure_image_url_builder
-
-    rule_service = RecognitionRuleService()
-    configure_dns_resolver(SocketDnsResolver())
-    configure_disk_topology(SystemUtils)
-    configure_filter_rule_parser(rust_accelerator)
-    configure_directory_size(SystemUtils)
-    configure_customization_provider(rule_service.get_customization)
-    configure_release_groups_provider(rule_service.get_release_groups)
-    configure_custom_words_provider(rule_service.get_custom_words)
-    configure_search_source_provider(lambda: get_runtime_setting('SEARCH_SOURCE'))
-    configure_image_url_builder(get_runtime_setting('TMDB_IMAGE_URL'))
-    configure_recognition_runtime(
-        media_extensions_provider=lambda: (
-            *get_runtime_setting('RMT_MEDIAEXT'),
-            *get_runtime_setting('RMT_SUBEXT'),
-            *get_runtime_setting('RMT_AUDIOEXT'),
-        ),
-        audio_extensions_provider=lambda: get_runtime_setting('RMT_AUDIOEXT'),
-        accelerator=rust_accelerator,
-    )
-    clear_rust_parse_options_cache()
+    """按生命周期顺序调用领域组合 owner。"""
+    compose_domain_dependencies()

docs/rules/05-architecture.md

@@ -157,8 +157,12 @@ access provider assembly; it returns the persistence factories needed by the run
 owner, which alone constructs `AuthenticationRuntime`.
 `startup/composition/network.py` owns concrete network-test, image, internal-address
 and message-ingress Adapter wiring
-while retaining lazy RuntimeSettings reads. Initializers call these owners in
-startup order and must not recreate their concrete construction.
+ while retaining lazy RuntimeSettings reads. Initializers call these owners in
+ startup order and must not recreate their concrete construction.
+`startup/composition/domain.py` owns DNS/System/Rust Adapter assembly together
+with the single `RecognitionRuleService` used to publish media-recognition rule
+providers. `initializers/domain.py` is only the lifecycle hook and must not
+construct a parallel rule service or import concrete adapters.
 `startup/composition/outbox.py`
 owns durable handler validation, lazy event/notification replay binding and the
 short-transaction dispatcher factory. Initializers call this owner in

tests/test_architecture_dependencies.py

@@ -2428,6 +2428,41 @@ def test_plugin_market_transport_is_process_shared_across_compat_and_composition
     assert PluginMarketTransport.get_existing_instance() is _plugin_market_transport
 
 
+def test_domain_initializer_delegates_construction_to_composition():
+    """领域 initializer 只负责生命周期调用，不得直接构造 Adapter 或领域服务。"""
+    initializer_path = APP_ROOT / "startup" / "initializers" / "domain.py"
+    initializer_tree = ast.parse(
+        initializer_path.read_text(encoding="utf-8-sig"),
+        filename=str(initializer_path),
+    )
+    imported_modules = {
+        node.module
+        for node in ast.walk(initializer_tree)
+        if isinstance(node, ast.ImportFrom) and node.module
+    }
+    assert imported_modules == {"app.startup.composition.domain"}
+    calls = [
+        ast.unparse(node.func)
+        for node in ast.walk(initializer_tree)
+        if isinstance(node, ast.Call)
+    ]
+    assert calls == ["compose_domain_dependencies"]
+
+    composition_path = APP_ROOT / "startup" / "composition" / "domain.py"
+    composition_tree = ast.parse(
+        composition_path.read_text(encoding="utf-8-sig"),
+        filename=str(composition_path),
+    )
+    composition_imports = {
+        node.module
+        for node in ast.walk(composition_tree)
+        if isinstance(node, ast.ImportFrom) and node.module
+    }
+    assert "app.adapters.network.resolver" in composition_imports
+    assert "app.adapters.system.host" in composition_imports
+    assert "app.application.recognition" in composition_imports
+
+
 PROCESS_LEVEL_ROOTS = (
     "app.api",
     "app.chain",