feat: ECR-003 主站威科夫分析与图表叠层（已审）

独立 wyckoff 引擎 + 按需 include_wyckoff；主站 Lightweight 绘制区间/阶段/事件/VP。

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

tests/test_golden_pipeline.py

@@ -37,10 +37,15 @@ def test_compat_shim_still_works():
 
 
 def test_analyze_contract_keys_file():
-    keys = json.loads(
+    doc = json.loads(
         (ROOT / "tests" / "fixtures" / "analyze_contract_keys.json").read_text(
             encoding="utf-8"
         )
     )
+    keys = doc["required"] if isinstance(doc, dict) and "required" in doc else doc
     for k in ("kline_data", "bi_list", "seg_list", "zs_list", "bsp_list"):
         assert k in keys
+    if isinstance(doc, dict):
+        assert "include_wyckoff" in doc.get("optional_when", {})
+        for k in ("trading_range", "phases", "events", "volume_profile"):
+            assert k in doc.get("wyckoff_keys", [])