后端深度清理 Polymarket：删除 readonly 层+WS 缓存+market_scan API

删除 src/data_collection/polymarket_readonly.py(2500行)和 polymarket_ws_cache.py。city_payloads 移除 _get_polymarket_layer/_top_probability_bucket/build_city_market_scan_payload。city.py 移除 /market-scan 和 /holders 路由。scan_terminal 移除 skip_polymarket。

web/services/city_api.py

@@ -222,10 +222,4 @@ async def get_city_market_scan_payload(
             )
             if cached_scan is not None:
                 return cached_scan
-    return await run_in_threadpool(
-        legacy_routes._build_city_market_scan_payload,
-        data,
-        market_slug,
-        target_date,
-        lite,
-    )
+    return {"market_scan": {"available": False}, "selected_date": target_date or str(data.get("local_date", "")), "fetched_at": data.get("updated_at")}

web/services/city_payloads.py

@@ -8,27 +8,6 @@ from web.core import _is_excluded_model_name
 
 TURKISH_MGM_CITIES = {"ankara", "istanbul"}
 
-_polymarket_layer = None
-
-
-def _get_polymarket_layer():
-    global _polymarket_layer
-    if _polymarket_layer is None:
-        from src.data_collection.polymarket_readonly import PolymarketReadOnlyLayer
-
-        _polymarket_layer = PolymarketReadOnlyLayer()
-    return _polymarket_layer
-
-
-def _top_probability_bucket(distribution: Any) -> Optional[Dict[str, Any]]:
-    if not isinstance(distribution, list):
-        return None
-    candidates = [row for row in distribution if isinstance(row, dict)]
-    if not candidates:
-        return None
-    return max(candidates, key=lambda row: float(row.get("probability") or -1.0))
-
-
 def build_city_summary_payload(data: Dict[str, Any]) -> Dict[str, Any]:
     return {
         "name": data.get("name"),
@@ -54,66 +33,11 @@ def build_city_summary_payload(data: Dict[str, Any]) -> Dict[str, Any]:
         "updated_at": data.get("updated_at"),
     }
 
-
-def build_city_market_scan_payload(
-    data: Dict[str, Any],
-    market_slug: Optional[str] = None,
-    target_date: Optional[str] = None,
-    lite: bool = False,
-    scan_filters: Optional[Dict[str, Any]] = None,
-) -> Dict[str, Any]:
-    local_date = str(data.get("local_date") or "").strip()
-    requested_date = str(target_date or "").strip()
-    selected_date = requested_date or local_date
-
-    try:
-        layer = _get_polymarket_layer()
-        probabilities = data.get("probabilities") or {}
-        distribution = probabilities.get("distribution") or []
-        top_bucket = _top_probability_bucket(distribution)
-        model_probability = (
-            float(top_bucket.get("probability"))
-            if (isinstance(top_bucket, dict) and top_bucket.get("probability") is not None)
-            else None
-        )
-
-        scan = layer.build_market_scan(
-            city=data.get("name"),
-            target_date=selected_date,
-            temperature_bucket=top_bucket,
-            model_probability=model_probability,
-            probability_distribution=distribution,
-            temp_symbol=str(data.get("temp_symbol") or ""),
-            forced_market_slug=market_slug,
-            include_related_buckets=not lite,
-            scan_filters=scan_filters,
-        )
-        return {
-            "market_scan": scan,
-            "selected_date": selected_date,
-            "fetched_at": data.get("updated_at"),
-        }
-    except Exception:
-        import traceback
-        traceback.print_exc()
-        return {
-            "market_scan": {"available": False},
-            "selected_date": selected_date,
-            "fetched_at": data.get("updated_at"),
-        }
-
-
 def build_city_detail_payload(
     data: Dict[str, Any],
     market_slug: Optional[str] = None,
     target_date: Optional[str] = None,
 ) -> Dict[str, Any]:
-    market_payload = build_city_market_scan_payload(
-        data,
-        market_slug=market_slug,
-        target_date=target_date,
-    )
-    market_scan = market_payload.get("market_scan")
     return {
         "city": data.get("name"),
         "fetched_at": data.get("updated_at"),
@@ -200,7 +124,7 @@ def build_city_detail_payload(
         or _build_intraday_meteorology(data),
         "vertical_profile_signal": data.get("vertical_profile_signal") or {},
         "taf": data.get("taf") or {},
-        "market_scan": market_scan,
+        "market_scan": {"available": False},
         "risk": data.get("risk"),
         "settlement_station": data.get("settlement_station") or {},
         "airport_primary": data.get("airport_primary") or {},

web/services/city_runtime.py

@@ -24,7 +24,6 @@ from web.analysis_service import (
     _analyze,
     _analyze_summary,
     _build_city_detail_payload,  # noqa: F401 - compatibility export for tests and transitional routers
-    _build_city_market_scan_payload,
     _build_city_summary_payload,
 )
 from web.scan_terminal_service import (
@@ -195,12 +194,7 @@ def _attach_market_scan_payload(
 ) -> dict:
     if not isinstance(payload, dict):
         return payload
-    scan_payload = _build_city_market_scan_payload(
-        payload,
-        market_slug=market_slug,
-        target_date=target_date,
-        lite=lite,
-    )
+    scan_payload = {"market_scan": {"available": False}, "selected_date": target_date or "", "fetched_at": payload.get("updated_at")}
     now_ts = time.time()
     payload["market_scan_payload"] = scan_payload
     payload["market_scan_updated_at"] = datetime.now().isoformat()

web/services/ops_api.py

@@ -920,7 +920,7 @@ def get_ops_health_check(request: Request) -> dict[str, Any]:
     else:
         results["cwa"] = {"ok": False, "error": "not configured"}
 
-    # Polymarket health checks have been removed from the project
+
 
     # AMOS (Korea runway sensors)
     try:

web/services/scan_api.py

@@ -47,7 +47,6 @@ async def get_scan_terminal_payload(
     limit: int = 25,
     force_refresh: bool = False,
     region: str = "",
-    skip_polymarket: bool = False,
     timezone_offset_seconds: int | None = None,
 ) -> Dict[str, Any]:
     legacy_routes._assert_entitlement(request)
@@ -61,7 +60,6 @@ async def get_scan_terminal_payload(
         "market_type": market_type,
         "time_range": time_range,
         "limit": limit,
-        "skip_polymarket": skip_polymarket,
     }
     if timezone_offset_seconds is not None:
         filters["timezone_offset_seconds"] = timezone_offset_seconds