Preserve plugin diagnostics without degrading overall status

tests/test_doctor.py

@@ -23,6 +23,7 @@ def test_doctor_report_has_stable_json_shape(tmp_path, monkeypatch):
     assert payload["environment"]["config_path"] == str(tmp_path)
     assert isinstance(payload["summary"]["total"], int)
     assert isinstance(payload["findings"], list)
+    assert all("affects_report_status" in item for item in payload["findings"])
     assert any(item["id"] == "runtime.paths" for item in payload["findings"])
 
 
@@ -86,3 +87,130 @@ def test_doctor_accepts_healthy_unmanaged_backend_port(monkeypatch):
     assert finding.severity == DoctorSeverity.Info
     assert finding.context["backend_version"] == "v2-test"
     assert runner.report.find("port.backend_occupied") is None
+
+
+def test_doctor_plugin_log_error_does_not_degrade_report(tmp_path, monkeypatch):
+    """插件独立日志中的错误应保留告警，但不降低系统整体状态。"""
+    monkeypatch.setattr(settings, "CONFIG_DIR", str(tmp_path))
+    plugin_log = settings.LOG_PATH / "plugins" / "demo.log"
+    plugin_log.parent.mkdir(parents=True, exist_ok=True)
+    plugin_log.write_text(
+        "【ERROR】2026-07-20 08:00:00 - demo.py - 插件任务执行异常\n",
+        encoding="utf-8",
+    )
+
+    runner = DoctorRunner()
+    checks._check_logs(runner)
+
+    finding = runner.report.find("logs.demo.recent_errors")
+    assert finding is not None
+    assert finding.status == DoctorFindingStatus.Degraded
+    assert finding.severity == DoctorSeverity.Warn
+    assert finding.affects_report_status is False
+    assert finding.context["component"] == "plugin"
+    assert runner.report.status.value == "healthy"
+    assert "[WARN/ADVISORY]" in format_text_report(runner.report)
+
+
+def test_doctor_plugin_load_error_in_main_log_does_not_degrade_report(
+    tmp_path,
+    monkeypatch,
+):
+    """主日志中的插件加载异常应归入插件告警，不降低系统整体状态。"""
+    monkeypatch.setattr(settings, "CONFIG_DIR", str(tmp_path))
+    app_log = settings.LOG_PATH / "moviepilot.log"
+    app_log.parent.mkdir(parents=True, exist_ok=True)
+    app_log.write_text(
+        "【ERROR】2026-07-20 08:00:00 - plugin.py - 加载插件 Demo 出错：boom - Traceback (most recent call last):\n"
+        "Exception: boom\n",
+        encoding="utf-8",
+    )
+
+    runner = DoctorRunner()
+    checks._check_logs(runner)
+
+    finding = runner.report.find("logs.moviepilot.recent_errors")
+    assert finding is not None
+    assert finding.affects_report_status is False
+    assert finding.context["component"] == "plugin"
+    assert "Exception: boom" in finding.detail
+    assert runner.report.status.value == "healthy"
+
+
+def test_doctor_plugin_error_mirrored_to_stdio_does_not_degrade_report(
+    tmp_path,
+    monkeypatch,
+):
+    """插件错误镜像到后端 stdio 日志时仍不应降低系统整体状态。"""
+    monkeypatch.setattr(settings, "CONFIG_DIR", str(tmp_path))
+    plugin_log = settings.LOG_PATH / "plugins" / "DemoPlugin.log"
+    plugin_log.parent.mkdir(parents=True, exist_ok=True)
+    plugin_log.write_text(
+        "【INFO】2026-07-20 08:00:00 - demo.py - 插件已启动\n",
+        encoding="utf-8",
+    )
+    stdio_log = settings.LOG_PATH / "moviepilot.stdout.log"
+    stdio_log.write_text(
+        "ERROR:   [demoplugin] 2026-07-20 08:01:00 demo.py - task exception\n",
+        encoding="utf-8",
+    )
+
+    runner = DoctorRunner()
+    checks._check_logs(runner)
+
+    finding = runner.report.find("logs.moviepilot.stdout.recent_errors")
+    assert finding is not None
+    assert finding.affects_report_status is False
+    assert finding.context["component"] == "plugin"
+    assert runner.report.status.value == "healthy"
+
+
+def test_doctor_core_log_error_still_degrades_report(tmp_path, monkeypatch):
+    """核心日志错误仍应参与系统整体状态聚合。"""
+    monkeypatch.setattr(settings, "CONFIG_DIR", str(tmp_path))
+    app_log = settings.LOG_PATH / "moviepilot.log"
+    app_log.parent.mkdir(parents=True, exist_ok=True)
+    app_log.write_text(
+        "【ERROR】2026-07-20 08:00:00 - rss.py - 解析 RSS 失败 - Traceback (most recent call last):\n"
+        "RuntimeError: boom\n",
+        encoding="utf-8",
+    )
+
+    runner = DoctorRunner()
+    checks._check_logs(runner)
+
+    finding = runner.report.find("logs.moviepilot.recent_errors")
+    assert finding is not None
+    assert finding.affects_report_status is True
+    assert finding.context["component"] == "core"
+    assert runner.report.status.value == "degraded"
+
+
+def test_doctor_mixed_plugin_and_core_log_errors_keep_core_status(
+    tmp_path,
+    monkeypatch,
+):
+    """同一主日志混有插件和核心错误时，仅核心错误应影响整体状态。"""
+    monkeypatch.setattr(settings, "CONFIG_DIR", str(tmp_path))
+    app_log = settings.LOG_PATH / "moviepilot.log"
+    app_log.parent.mkdir(parents=True, exist_ok=True)
+    app_log.write_text(
+        "【ERROR】2026-07-20 08:00:00 - plugin.py - 加载插件 Demo 出错：boom - Traceback (most recent call last):\n"
+        "Exception: plugin boom\n"
+        "【ERROR】2026-07-20 08:01:00 - rss.py - 解析 RSS 失败 - Traceback (most recent call last):\n"
+        "Exception: core boom\n",
+        encoding="utf-8",
+    )
+
+    runner = DoctorRunner()
+    checks._check_logs(runner)
+
+    core_finding = runner.report.find("logs.moviepilot.recent_errors")
+    plugin_finding = runner.report.find("logs.moviepilot.plugin_errors")
+    assert core_finding is not None
+    assert plugin_finding is not None
+    assert core_finding.affects_report_status is True
+    assert plugin_finding.affects_report_status is False
+    assert "core boom" in core_finding.detail
+    assert "plugin boom" in plugin_finding.detail
+    assert runner.report.status.value == "degraded"