docs: classify background action reliability

tests/test_reliability_adr.py

@@ -0,0 +1,36 @@
+"""后台动作可靠性 ADR 与事件登记一致性测试。"""
+
+from pathlib import Path
+
+from app.schemas.types import ChainEventType, EventType
+
+
+ADR_PATH = Path(__file__).parents[1] / "docs" / "adr" / "0007-background-action-reliability.md"
+
+
+def test_reliability_adr_names_every_event() -> None:
+    """ADR 必须逐个提及全部广播和链式事件，不能只写笼统分组。"""
+    content = ADR_PATH.read_text(encoding="utf-8")
+
+    missing = [
+        event_type.name
+        for event_type in (*EventType, *ChainEventType)
+        if f"`{event_type.name}`" not in content
+    ]
+    assert missing == []
+
+
+def test_reliability_adr_covers_all_background_mechanisms() -> None:
+    """ADR 必须覆盖方案要求的四类非 Event 后台机制和完成语义。"""
+    content = ADR_PATH.read_text(encoding="utf-8")
+
+    for phrase in (
+        "FastAPI BackgroundTasks",
+        "Scheduler jobs",
+        "Agent tasks",
+        "Transfer pending",
+        "完成点",
+        "dead letter",
+        "idempotency key",
+    ):
+        assert phrase in content