feat: AI 即时分析计费/共识/校准与 Docker 前端构建

- 即时分析：先扣费、防重入(429)、失败退款；记忆库与离线校准 worker
- 多周期共识、客观分与设置项 AI_ANALYSIS_CONSENSUS_TIMEFRAMES
- Docker：前端多阶段构建(QuantDinger-Vue-src)、根目录 .dockerignore、compose 调整
- 同步 frontend/dist 静态资源

Made-with: Cursor

backend_api_python/app/routes/settings.py

@@ -220,6 +220,14 @@ CONFIG_SCHEMA = {
                 'required': False,
                 'description': 'Custom model list in JSON format for model selector'
             },
+            {
+                'key': 'AI_ANALYSIS_CONSENSUS_TIMEFRAMES',
+                'label': 'Consensus Timeframes',
+                'type': 'text',
+                'default': '1D,4H',
+                'required': False,
+                'description': 'Multi-timeframe consensus for fast AI analysis. Comma-separated, e.g. "1D,4H"'
+            },
         ]
     },