feat: add backend health check for unmanaged MoviePilot processes

tests/test_doctor.py

@@ -1,9 +1,12 @@
 from __future__ import annotations
 
+from types import SimpleNamespace
+
 from app.core.config import settings
-from app.doctor import run_doctor
+from app.doctor import checks, run_doctor
 from app.doctor.formatters import format_json_report, format_text_report
 from app.doctor.models import DoctorFinding, DoctorFindingStatus, DoctorSeverity
+from app.doctor.runner import DoctorRunner
 
 
 def test_doctor_report_has_stable_json_shape(tmp_path, monkeypatch):
@@ -60,3 +63,26 @@ def test_doctor_fix_removes_stale_runtime(tmp_path, monkeypatch):
     finding = report.find("runtime.backend_stale")
     assert finding is not None
     assert finding.fixed
+
+
+def test_doctor_accepts_healthy_unmanaged_backend_port(monkeypatch):
+    """doctor 在容器中应把健康的非 CLI 管理后端端口识别为正常。"""
+    occupant = SimpleNamespace(pid=12345)
+    monkeypatch.setattr(checks, "_port_occupants", lambda port: [occupant])
+    monkeypatch.setattr(checks, "_process_description", lambda process: f"PID {process.pid} (python)")
+    monkeypatch.setattr(checks, "_is_expected_port_process", lambda name, process: False)
+    monkeypatch.setattr(
+        checks,
+        "_backend_health_payload",
+        lambda port: {"success": True, "data": {"BACKEND_VERSION": "v2-test"}},
+    )
+
+    runner = DoctorRunner()
+    checks._check_port(runner, name="backend", port=3001, managed_process=None)
+
+    finding = runner.report.find("port.backend_listening_unmanaged")
+    assert finding is not None
+    assert finding.status == DoctorFindingStatus.Ok
+    assert finding.severity == DoctorSeverity.Info
+    assert finding.context["backend_version"] == "v2-test"
+    assert runner.report.find("port.backend_occupied") is None