fix: ECR-004 威科夫区间评分硬化与 VP 绘图减负（已审）

评分选 TR、阶段最小跨度、elements_only 门闩、Top-8 VP；无币种独立参数。

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

web/api/analyze.py

@@ -656,18 +656,19 @@ def analyze():
 	else:
 		result['structure_zones'] = []
 
-	# 威科夫分析 —— 按需：include_wyckoff=1
+	# 威科夫分析 —— 按需：include_wyckoff=1，且须有主周期分析（非 elements_only）
 	include_wyckoff_param = request.args.get('include_wyckoff', '')
 	include_wyckoff = str(include_wyckoff_param).lower() in ('1', 'true', 'yes')
-	if include_wyckoff:
+	if include_wyckoff and not elements_only:
 		try:
 			from chanlun.analysis.wyckoff import analyze_wyckoff
 			wyckoff_lookback = int(request.args.get('wyckoff_lookback', 120))
-			wyckoff_bins = int(request.args.get('wyckoff_vp_bins', 50))
+			# ECR-004：默认/上限 24 bins（A+C）
+			wyckoff_bins = int(request.args.get('wyckoff_vp_bins', 24))
 			result['wyckoff'] = analyze_wyckoff(
 				df,
 				lookback=max(40, min(wyckoff_lookback, 500)),
-				vp_bins=max(10, min(wyckoff_bins, 100)),
+				vp_bins=max(10, min(wyckoff_bins, 24)),
 			)
 		except Exception as e:
 			print(f"Wyckoff 分析出错: {e}")