Split UME alarm WebSocket consumer into state, log, subscription, and loop modules.

Keep the public facade stable and re-export shared mutable log/connection objects for existing tests.

Co-authored-by: Cursor <cursoragent@cursor.com>

netx_api/ume_alarm_ws_state.py

@@ -0,0 +1,59 @@
+"""Process-local mutable state for UME alarm WSS consumer."""
+from __future__ import annotations
+
+from collections import deque
+import threading
+from typing import Any
+
+from .ume_client import UMEClient
+
+_WS_ALARM_ACTION_LABEL: dict[str, str] = {
+    "inserted": "上报(新增)",
+    "updated": "上报(更新)",
+    "deleted": "清除",
+    "skipped": "忽略",
+}
+
+_WS_LOG_LOCK = threading.Lock()
+_WS_LOG_ENTRIES: deque[dict[str, Any]] = deque(maxlen=200)
+_WS_LOG_MAX_RETURN = 100
+
+_LOG_DEDUP_LOCK = threading.Lock()
+_LOG_DEDUP_CACHE: dict[str, tuple[float, int]] = {}
+_LOG_DEDUP_MAX_KEYS = 256
+_WS_NOTIFY_LOCK = threading.Lock()
+_WS_NOTIFY_LAST_KEY = ""
+_WS_NOTIFY_LAST_TS = 0.0
+_WS_NOTIFY_COOLDOWN_S = 45.0
+_LOOP_STATUS_COOLDOWN_S = 60.0
+_WS_IGNORE_COOLDOWN_S = 60.0
+
+_STARTUP_ALARM_SYNC_GATE = threading.Event()
+
+_shutdown_lock = threading.Lock()
+_subscription_lock = threading.Lock()
+_ws_wake_event = threading.Event()
+_ws_connection_lock = threading.Lock()
+
+_subscription_id: str = ""
+_subscription_uri: str = ""
+_subscription_topic: str = "ALARM"
+_active_client: UMEClient | None = None
+_ws_connection_state: str = "init"
+_ws_connection_detail: str = ""
+_ume_lost_lock = threading.Lock()
+_ume_subscription_lost = False
+_ume_subscription_lost_reason: str = ""
+
+_WS_CONNECTION_LABELS: dict[str, str] = {
+    "init": "初始化",
+    "connected": "已连接",
+    "connecting": "连接中",
+    "disconnected": "已断开",
+    "no_subscription": "无订阅",
+    "waiting_token": "等待 token",
+    "paused": "已暂停",
+    "error": "连接异常",
+    "reconnecting": "重连等待",
+    "subscription_lost": "UME订阅已丢失",
+}