refactor: scope architecture baseline operations

docs/refactor/backend-architecture-governance.md

@@ -1352,8 +1352,10 @@ done_when: []
 当前可复现命令：
 
 ```bash
-./.venv/bin/python scripts/startup/performance.py --repeat 3
-./.venv/bin/python scripts/architecture/baseline.py --check --plugin-repo ../MoviePilot-Plugins
+./.venv/bin/python scripts/startup/performance.py --write --repeat 3
+./.venv/bin/python scripts/architecture/baseline.py --check-host
+./.venv/bin/python scripts/architecture/baseline.py \
+  --check-plugins --plugin-repo ../MoviePilot-Plugins
 ```
 
 ### 11.4 2026-08-18 当前验证快照（收口批次）
@@ -1361,7 +1363,7 @@ done_when: []
 | 范围 | 命令 | 结果 |
 | --- | --- | --- |
 | 后端完整门禁 | `./.venv/bin/python tests/run.py` | 4,914 passed、2 failed、3 skipped（2026-08-18）；失败为未修改的 Agent 图片能力测试，架构专项不受影响 |
-| 架构与插件快照 | `./.venv/bin/python scripts/architecture/baseline.py --check --plugin-repo ../MoviePilot-Plugins` | 已通过，基线已更新为 746 模块 / 6,024 边 |
+| 架构与插件快照 | 分别运行 `--check-host` 与 `--check-plugins --plugin-repo ../MoviePilot-Plugins` | 已通过，基线已更新为 746 模块 / 6,024 边 |
 | 前端联邦 API 客户端 | `yarn test:run src/api/__tests__/client.spec.ts src/api/__tests__/index.spec.ts` | 36 passed |
 | 前端类型检查 | `yarn typecheck` | 通过 |
 | V3 插件契约与版本门禁 | `../MoviePilot/.venv/bin/python -m pytest tests/ci/test_v3_contract.py tests/ci/test_plugin_release_gate.py -q` | 16 passed |

scripts/architecture/baseline.py

@@ -668,53 +668,101 @@ def write_json(path: Path, value: dict[str, Any]) -> None:
     )
 
 
-def check_json(path: Path, actual: dict[str, Any]) -> bool:
-    """比较当前扫描结果和已提交基线并输出可执行提示。"""
+def _display_path(path: Path) -> Path:
+    try:
+        return path.relative_to(PROJECT_ROOT)
+    except ValueError:
+        return path
+
+
+def check_json(
+    path: Path,
+    actual: dict[str, Any],
+    *,
+    write_hint: str,
+) -> bool:
+    """比较当前扫描结果和已提交基线并输出限定范围的更新提示。"""
     expected = json.loads(path.read_text(encoding="utf-8"))
     if expected == actual:
         return True
     print(
-        f"架构基线已变化：{path.relative_to(PROJECT_ROOT)}；"
-        "确认变更符合边界后运行 scripts/architecture/baseline.py --write",
+        f"架构基线已变化：{_display_path(path)}；"
+        f"确认变更符合边界后运行 scripts/architecture/baseline.py {write_hint}",
         file=sys.stderr,
     )
     return False
 
 
-def parse_args() -> argparse.Namespace:
-    """解析基线写入、校验和外部插件仓参数。"""
+def parse_args(argv: Optional[list[str]] = None) -> argparse.Namespace:
+    """解析限定宿主或插件范围的基线操作参数。"""
     parser = argparse.ArgumentParser(description=__doc__)
     action = parser.add_mutually_exclusive_group(required=True)
-    action.add_argument("--write", action="store_true", help="写入当前架构基线")
-    action.add_argument("--check", action="store_true", help="校验当前架构基线")
+    action.add_argument("--check-host", action="store_true", help="校验宿主架构基线")
+    action.add_argument("--check-plugins", action="store_true", help="校验官方插件基线")
+    action.add_argument("--write-host", action="store_true", help="写入宿主架构基线")
+    action.add_argument("--write-plugins", action="store_true", help="写入官方插件基线")
+    action.add_argument("--check", action="store_true", help=argparse.SUPPRESS)
+    action.add_argument("--write", action="store_true", help=argparse.SUPPRESS)
+    parser.add_argument(
+        "--scope",
+        choices=("host", "plugins"),
+        help="旧 --check/--write 的必填兼容范围",
+    )
     parser.add_argument(
         "--plugin-repo",
         type=Path,
-        help="可选的独立 MoviePilot-Plugins 仓路径",
+        help="官方插件操作所需的独立 MoviePilot-Plugins 仓路径",
     )
-    return parser.parse_args()
+    args = parser.parse_args(argv)
+    if args.check or args.write:
+        if not args.scope:
+            parser.error("旧 --check/--write 已弃用，必须同时指定 --scope host|plugins")
+        replacement = f"--{'check' if args.check else 'write'}-{args.scope}"
+        print(
+            f"警告：--{'check' if args.check else 'write'} --scope {args.scope} "
+            f"已弃用，请改用 {replacement}",
+            file=sys.stderr,
+        )
+        setattr(args, f"{'check' if args.check else 'write'}_{args.scope}", True)
+    plugin_action = args.check_plugins or args.write_plugins
+    if plugin_action and not args.plugin_repo:
+        parser.error("插件基线操作必须指定 --plugin-repo")
+    if not plugin_action and args.plugin_repo:
+        parser.error("--plugin-repo 只能用于插件基线操作")
+    return args
 
 
-def main() -> int:
-    """执行本仓基线以及可选官方插件基线的写入或校验。"""
-    args = parse_args()
-    baselines = [
-        (DEPENDENCY_BASELINE_PATH, collect_dependency_baseline()),
-        (RUNTIME_BASELINE_PATH, collect_runtime_baseline()),
-    ]
-    if args.plugin_repo:
+def main(argv: Optional[list[str]] = None) -> int:
+    """只对显式选择的宿主或插件基线执行检查或写入。"""
+    args = parse_args(argv)
+    host_action = args.check_host or args.write_host
+    if host_action:
+        baselines = [
+            (DEPENDENCY_BASELINE_PATH, collect_dependency_baseline()),
+            (RUNTIME_BASELINE_PATH, collect_runtime_baseline()),
+        ]
+        write_hint = "--write-host"
+    else:
         plugin_repo = args.plugin_repo.resolve()
         if not plugin_repo.is_dir():
             raise SystemExit(f"插件仓不存在：{plugin_repo}")
-        baselines.append(
+        baselines = [
             (PLUGIN_BASELINE_PATH, collect_official_plugin_baseline(plugin_repo))
+        ]
+        write_hint = f"--write-plugins --plugin-repo {plugin_repo}"
+    if args.write_host or args.write_plugins:
+        display_paths = ", ".join(
+            str(_display_path(path)) for path, _baseline in baselines
         )
-    if args.write:
+        print(f"即将写入：{display_paths}")
         for path, baseline in baselines:
             write_json(path, baseline)
-            print(f"已写入 {path.relative_to(PROJECT_ROOT)}")
+            print(f"已写入 {_display_path(path)}")
         return 0
-    checks = [check_json(path, baseline) for path, baseline in baselines]
+    checks = [
+        check_json(path, baseline, write_hint=write_hint)
+        for path, baseline in baselines
+    ]
     return 0 if all(checks) else 1
 
 

scripts/startup/performance.py

@@ -10,7 +10,7 @@ import subprocess
 import sys
 from datetime import datetime, timezone
 from pathlib import Path
-from typing import Any
+from typing import Any, Optional
 
 
 PROJECT_ROOT = Path(__file__).resolve().parents[2]
@@ -28,6 +28,8 @@ IMPORT_TARGETS = (
 )
 RESULT_PREFIX = "MOVIEPILOT_IMPORT_BASELINE="
 LIFECYCLE_RESULT_PREFIX = "MOVIEPILOT_LIFECYCLE_BASELINE="
+PERFORMANCE_FACTOR = 2.0
+PERFORMANCE_SLACK_MS = 500.0
 
 
 def measure_import(target: str) -> dict[str, Any]:
@@ -231,31 +233,129 @@ def collect_baseline(repeat: int) -> dict[str, Any]:
     }
 
 
-def parse_args() -> argparse.Namespace:
-    """解析输出路径和采样次数。"""
+def check_baseline(
+    expected: dict[str, Any],
+    actual: dict[str, Any],
+) -> list[str]:
+    """比较稳定资源契约与宽松耗时预算，返回所有不符合项。"""
+    errors: list[str] = []
+    expected_targets = expected.get("targets", {})
+    actual_targets = actual.get("targets", {})
+    if set(expected_targets) != set(actual_targets):
+        errors.append("冷导入目标集合已变化")
+    for target in sorted(set(expected_targets) & set(actual_targets)):
+        expected_target = expected_targets[target]
+        actual_target = actual_targets[target]
+        if (
+            actual_target["loaded_module_count"]
+            != expected_target["loaded_module_count"]
+        ):
+            errors.append(
+                f"{target} 加载模块数变化："
+                f"{expected_target['loaded_module_count']} -> "
+                f"{actual_target['loaded_module_count']}"
+            )
+        budget_ms = max(
+            expected_target["max_ms"] * PERFORMANCE_FACTOR,
+            expected_target["max_ms"] + PERFORMANCE_SLACK_MS,
+        )
+        if actual_target["median_ms"] > budget_ms:
+            errors.append(
+                f"{target} 冷导入中位数 {actual_target['median_ms']}ms "
+                f"超过预算 {round(budget_ms, 3)}ms"
+            )
+    expected_modes = expected.get("lifecycle", {}).get("modes", {})
+    actual_modes = actual.get("lifecycle", {}).get("modes", {})
+    if set(expected_modes) != set(actual_modes):
+        errors.append("生命周期模式集合已变化")
+    for mode_name in sorted(set(expected_modes) & set(actual_modes)):
+        expected_mode = expected_modes[mode_name]
+        actual_mode = actual_modes[mode_name]
+        if (
+            actual_mode["enabled_component_count"]
+            != expected_mode["enabled_component_count"]
+        ):
+            errors.append(
+                f"{mode_name} 模式组件数变化："
+                f"{expected_mode['enabled_component_count']} -> "
+                f"{actual_mode['enabled_component_count']}"
+            )
+        for sample in actual_mode.get("samples", []):
+            if sample["threads_after"] != sample["threads_before"]:
+                errors.append(f"{mode_name} 模式存在未释放线程")
+            if sample["tasks_after"] != sample["tasks_before"]:
+                errors.append(f"{mode_name} 模式存在未释放异步任务")
+            if sample["database_connections_started"] != 0:
+                errors.append(f"{mode_name} 模式隔离采样建立了数据库连接")
+    return errors
+
+
+def parse_args(argv: Optional[list[str]] = None) -> argparse.Namespace:
+    """解析只读打印、检查或显式写入操作。"""
     parser = argparse.ArgumentParser(description=__doc__)
+    action = parser.add_mutually_exclusive_group()
+    action.add_argument(
+        "--print",
+        dest="operation",
+        action="store_const",
+        const="print",
+        help="打印本次采样且不写文件（默认）",
+    )
+    action.add_argument(
+        "--check",
+        dest="operation",
+        action="store_const",
+        const="check",
+        help="按已提交基线检查资源契约和宽松性能预算",
+    )
+    action.add_argument(
+        "--write",
+        dest="operation",
+        action="store_const",
+        const="write",
+        help="显式写入采样基线",
+    )
     parser.add_argument("--repeat", type=int, default=3)
     parser.add_argument("--output", type=Path, default=DEFAULT_OUTPUT)
-    return parser.parse_args()
+    parser.set_defaults(operation="print")
+    return parser.parse_args(argv)
 
 
-def main() -> int:
-    """执行冷导入采样并写入 JSON 基线。"""
-    args = parse_args()
+def _display_path(path: Path) -> Path:
+    try:
+        return path.relative_to(PROJECT_ROOT)
+    except ValueError:
+        return path
+
+
+def main(argv: Optional[list[str]] = None) -> int:
+    """采样关键入口，并按显式操作打印、检查或写入结果。"""
+    args = parse_args(argv)
     if args.repeat < 1:
         raise SystemExit("--repeat 必须大于等于 1")
+    baseline = collect_baseline(args.repeat)
     output = args.output.resolve()
+    if args.operation == "print":
+        print(json.dumps(baseline, ensure_ascii=False, indent=2))
+        return 0
+    if args.operation == "check":
+        if not output.is_file():
+            raise SystemExit(f"性能基线不存在：{output}")
+        expected = json.loads(output.read_text(encoding="utf-8"))
+        errors = check_baseline(expected, baseline)
+        if errors:
+            for error in errors:
+                print(f"性能基线检查失败：{error}", file=sys.stderr)
+            return 1
+        print(f"性能基线检查通过：{_display_path(output)}")
+        return 0
+    print(f"即将写入：{_display_path(output)}")
     output.parent.mkdir(parents=True, exist_ok=True)
     output.write_text(
-        json.dumps(collect_baseline(args.repeat), ensure_ascii=False, indent=2)
-        + "\n",
+        json.dumps(baseline, ensure_ascii=False, indent=2) + "\n",
         encoding="utf-8",
     )
-    try:
-        display_path = output.relative_to(PROJECT_ROOT)
-    except ValueError:
-        display_path = output
-    print(f"已写入 {display_path}")
+    print(f"已写入：{_display_path(output)}")
     return 0
 
 

tests/test_architecture_baseline_cli.py

@@ -0,0 +1,201 @@
+"""架构与启动性能基线脚本的 CLI 行为测试。"""
+
+import json
+from pathlib import Path
+
+import pytest
+
+from scripts.architecture import baseline as architecture_baseline
+from scripts.startup import performance as startup_performance
+
+
+def _performance_sample(*, loaded_module_count: int = 10) -> dict:
+    return {
+        "schema_version": 1,
+        "generated_at": "2026-08-21T00:00:00+00:00",
+        "platform": "test",
+        "python": "3.12",
+        "repeat": 1,
+        "targets": {
+            "app.factory": {
+                "loaded_module_count": loaded_module_count,
+                "max_ms": 100.0,
+                "median_ms": 90.0,
+                "min_ms": 80.0,
+                "samples_ms": [90.0],
+            }
+        },
+        "lifecycle": {
+            "scope": "isolated no-op",
+            "modes": {
+                "normal": {
+                    "enabled_component_count": 2,
+                    "samples": [
+                        {
+                            "threads_before": 1,
+                            "threads_after": 1,
+                            "tasks_before": 1,
+                            "tasks_after": 1,
+                            "database_connections_started": 0,
+                        }
+                    ],
+                }
+            },
+        },
+    }
+
+
+def test_architecture_legacy_action_requires_scope(capsys):
+    """旧操作未明确宿主或插件范围时必须拒绝执行。"""
+    with pytest.raises(SystemExit) as error:
+        architecture_baseline.parse_args(["--check"])
+
+    assert error.value.code == 2
+    assert "必须同时指定 --scope" in capsys.readouterr().err
+
+
+def test_architecture_legacy_action_maps_to_scoped_operation(capsys):
+    """兼容期旧参数应提示弃用并映射到唯一范围。"""
+    args = architecture_baseline.parse_args(["--check", "--scope", "host"])
+
+    assert args.check_host is True
+    assert "请改用 --check-host" in capsys.readouterr().err
+
+
+def test_architecture_plugin_action_requires_repository(capsys):
+    """插件基线操作缺少独立插件仓时必须在扫描前失败。"""
+    with pytest.raises(SystemExit) as error:
+        architecture_baseline.parse_args(["--check-plugins"])
+
+    assert error.value.code == 2
+    assert "必须指定 --plugin-repo" in capsys.readouterr().err
+
+
+def test_architecture_write_host_only_updates_host_files(
+    tmp_path: Path,
+    monkeypatch,
+    capsys,
+):
+    """宿主写操作不得连带覆盖官方插件 fixture。"""
+    dependency_path = tmp_path / "dependency.json"
+    runtime_path = tmp_path / "runtime.json"
+    plugin_path = tmp_path / "plugin.json"
+    monkeypatch.setattr(
+        architecture_baseline,
+        "DEPENDENCY_BASELINE_PATH",
+        dependency_path,
+    )
+    monkeypatch.setattr(
+        architecture_baseline,
+        "RUNTIME_BASELINE_PATH",
+        runtime_path,
+    )
+    monkeypatch.setattr(architecture_baseline, "PLUGIN_BASELINE_PATH", plugin_path)
+    monkeypatch.setattr(
+        architecture_baseline,
+        "collect_dependency_baseline",
+        lambda: {"scope": "host-dependency"},
+    )
+    monkeypatch.setattr(
+        architecture_baseline,
+        "collect_runtime_baseline",
+        lambda: {"scope": "host-runtime"},
+    )
+
+    assert architecture_baseline.main(["--write-host"]) == 0
+
+    assert json.loads(dependency_path.read_text()) == {"scope": "host-dependency"}
+    assert json.loads(runtime_path.read_text()) == {"scope": "host-runtime"}
+    assert not plugin_path.exists()
+    output = capsys.readouterr().out
+    assert "即将写入" in output
+    assert "dependency.json" in output
+    assert "runtime.json" in output
+
+
+def test_architecture_write_plugins_only_updates_plugin_file(
+    tmp_path: Path,
+    monkeypatch,
+):
+    """插件写操作不得修改宿主依赖和运行契约 fixture。"""
+    plugin_repo = tmp_path / "MoviePilot-Plugins"
+    (plugin_repo / "plugins.v2").mkdir(parents=True)
+    (plugin_repo / "plugins.v3").mkdir()
+    dependency_path = tmp_path / "dependency.json"
+    runtime_path = tmp_path / "runtime.json"
+    plugin_path = tmp_path / "plugin.json"
+    monkeypatch.setattr(
+        architecture_baseline,
+        "DEPENDENCY_BASELINE_PATH",
+        dependency_path,
+    )
+    monkeypatch.setattr(
+        architecture_baseline,
+        "RUNTIME_BASELINE_PATH",
+        runtime_path,
+    )
+    monkeypatch.setattr(architecture_baseline, "PLUGIN_BASELINE_PATH", plugin_path)
+
+    assert architecture_baseline.main(
+        ["--write-plugins", "--plugin-repo", str(plugin_repo)]
+    ) == 0
+
+    assert plugin_path.is_file()
+    assert not dependency_path.exists()
+    assert not runtime_path.exists()
+
+
+def test_performance_default_print_does_not_write_fixture(
+    tmp_path: Path,
+    monkeypatch,
+    capsys,
+):
+    """性能脚本无操作参数时只打印采样，不得创建输出文件。"""
+    output = tmp_path / "performance.json"
+    sample = _performance_sample()
+    monkeypatch.setattr(startup_performance, "DEFAULT_OUTPUT", output)
+    monkeypatch.setattr(startup_performance, "collect_baseline", lambda _repeat: sample)
+
+    assert startup_performance.main(["--repeat", "1"]) == 0
+
+    assert not output.exists()
+    assert json.loads(capsys.readouterr().out) == sample
+
+
+def test_performance_check_is_read_only(tmp_path: Path, monkeypatch, capsys):
+    """性能检查应使用现有 fixture 且保持文件内容不变。"""
+    output = tmp_path / "performance.json"
+    sample = _performance_sample()
+    output.write_text(json.dumps(sample), encoding="utf-8")
+    content_before = output.read_bytes()
+    monkeypatch.setattr(startup_performance, "collect_baseline", lambda _repeat: sample)
+
+    assert startup_performance.main(
+        ["--check", "--repeat", "1", "--output", str(output)]
+    ) == 0
+
+    assert output.read_bytes() == content_before
+    assert "检查通过" in capsys.readouterr().out
+
+
+def test_performance_write_requires_explicit_action(tmp_path: Path, monkeypatch):
+    """只有显式 write 操作才允许写入性能 fixture。"""
+    output = tmp_path / "performance.json"
+    sample = _performance_sample()
+    monkeypatch.setattr(startup_performance, "collect_baseline", lambda _repeat: sample)
+
+    assert startup_performance.main(
+        ["--write", "--repeat", "1", "--output", str(output)]
+    ) == 0
+
+    assert json.loads(output.read_text(encoding="utf-8")) == sample
+
+
+def test_performance_check_reports_loaded_module_drift():
+    """稳定的冷导入模块数量变化必须产生可诊断失败。"""
+    expected = _performance_sample(loaded_module_count=10)
+    actual = _performance_sample(loaded_module_count=11)
+
+    errors = startup_performance.check_baseline(expected, actual)
+
+    assert errors == ["app.factory 加载模块数变化：10 -> 11"]

tests/test_architecture_contract_baseline.py

@@ -13,8 +13,16 @@ BASELINE_ROOT = PROJECT_ROOT / "tests" / "fixtures" / "architecture"
 
 def test_architecture_contract_baselines_match_current_source():
     """宿主依赖图和公开运行契约变化必须显式刷新基线。"""
+    baseline_paths = (
+        BASELINE_ROOT / "dependency-baseline.json",
+        BASELINE_ROOT / "runtime-contract-baseline.json",
+    )
+    contents_before = {
+        path: path.read_bytes()
+        for path in baseline_paths
+    }
     result = subprocess.run(
-        [sys.executable, "scripts/architecture/baseline.py", "--check"],
+        [sys.executable, "scripts/architecture/baseline.py", "--check-host"],
         cwd=PROJECT_ROOT,
         capture_output=True,
         text=True,
@@ -22,6 +30,10 @@ def test_architecture_contract_baselines_match_current_source():
     )
 
     assert result.returncode == 0, result.stderr
+    assert {
+        path: path.read_bytes()
+        for path in baseline_paths
+    } == contents_before
 
 
 def test_official_plugin_baseline_records_external_source():