删除实时行情、盘口深度和监控规则功能

Co-Authored-By: Claude <noreply@anthropic.com>

serve/backend/app/tickflow/policy.py

@@ -236,12 +236,6 @@ def _probe_real(tiers: dict) -> tuple[CapabilitySet, list[str]]:
              defaults(Cap.ADJ_FACTOR))
 
     # websocket 不在探测期试连接(成本太高且阻塞),按档位默认推断
-    # 若 expert 的其他 cap 都通,则推断 websocket 也可用
-    if (Cap.FINANCIAL in available and Cap.INTRADAY_BATCH in available):
-        available[Cap.WEBSOCKET] = CapabilityLimits(
-            subscribe=defaults(Cap.WEBSOCKET).get("subscribe", 100),
-        )
-        log.append("✓ websocket (inferred from expert tier)")
 
     return CapabilitySet(available), log
 
@@ -297,7 +291,7 @@ def detect_capabilities(force: bool = False) -> CapabilitySet:
 # 拥有**任意一个**即认作该档及以上。自上而下匹配。
 # 这套设计的好处:单个 capability 探测的 transient 失败不会把整体档位"误降"。
 TIER_SIGNATURES: dict[str, set[Cap]] = {
-    "expert":  {Cap.FINANCIAL, Cap.INTRADAY_BATCH, Cap.WEBSOCKET},
+    "expert":  {Cap.FINANCIAL, Cap.INTRADAY_BATCH},
     "pro":     {Cap.KLINE_MINUTE_BATCH, Cap.KLINE_MINUTE_BY_SYMBOL,
                 Cap.INTRADAY, Cap.DEPTH5, Cap.DEPTH5_BATCH},
     "starter": {Cap.QUOTE_BATCH, Cap.KLINE_DAILY_BATCH,
@@ -359,7 +353,6 @@ _CAP_ALIASES: dict[Cap, str] = {
     Cap.INTRADAY_BATCH: "批量分时",
     Cap.DEPTH5: "五档",
     Cap.DEPTH5_BATCH: "批量五档",
-    Cap.WEBSOCKET: "WS",
     Cap.FINANCIAL: "财务",
     Cap.ADJ_FACTOR: "复权",
     Cap.QUOTE_BATCH: "批量行情",