v2.2.2

Signed-off-by: TIANHE <TIANHE@GMAIL.COM>

Author: tianhe

README.md

@@ -9,7 +9,7 @@
   <p><strong>Vibe Coding Meets Algo Trading</strong></p>
 
   <p>
-    <strong>7 AI Agents · Python Strategies · 10+ Exchanges · Your Server, Your Keys</strong>
+    <strong>7 AI Agents · Python Strategies · 10+ Exchanges · Prediction Markets · Your Server, Your Keys</strong>
   </p>
   <p>
     <i>Describe your trading idea in natural language → AI writes the Python strategy → Backtest → Live trade.<br/>
@@ -25,7 +25,7 @@
 
   <p>
     <a href="LICENSE"><img src="https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=flat-square&logo=apache" alt="License"></a>
-    <img src="https://img.shields.io/badge/Version-2.2.1-orange?style=flat-square" alt="Version">
+    <img src="https://img.shields.io/badge/Version-2.2.3-orange?style=flat-square" alt="Version">
     <img src="https://img.shields.io/badge/Python-3.10+-3776AB?style=flat-square&logo=python&logoColor=white" alt="Python">
     <img src="https://img.shields.io/badge/Docker-One%20Click-2496ED?style=flat-square&logo=docker&logoColor=white" alt="Docker">
     <img src="https://img.shields.io/badge/Vibe%20Coding-Ready-FF6B6B?style=flat-square&logo=sparkles&logoColor=white" alt="Vibe Coding">
@@ -38,7 +38,7 @@
     <a href="https://x.com/HenryCryption"><img src="https://img.shields.io/badge/X-Follow-000000?style=for-the-badge&logo=x" alt="X"></a>
   </p>
 
-  <sub>🇺🇸 English · 🇨🇳 简体中文 · 🇹🇼 繁體中文 · 🇯🇵 日本語 · 🇰🇷 한국어 · 🇩🇪 Deutsch · 🇫🇷 Français · 🇹🇭 ไทย · 🇻🇳 Tiếng Việt · 🇸🇦 العربية</sub>
+  <sub>🇺🇸 <a href="README.md">English</a> · 🇨🇳 <a href="docs/README_CN.md">简体中文</a> · 🇹🇼 繁體中文 · 🇯🇵 日本語 · 🇰🇷 한국어 · 🇩🇪 Deutsch · 🇫🇷 Français · 🇹🇭 ไทย · 🇻🇳 Tiếng Việt · 🇸🇦 العربية</sub>
 </div>
 
 ---
@@ -139,6 +139,7 @@ BACKEND_PORT=127.0.0.1:5001 # Default: 5000
 | 🐍 **Python-Native** | Full ecosystem (Pandas, NumPy, TA-Lib, scikit-learn) — no proprietary language limits |
 | 📊 **Professional Charts** | K-line charts with Python indicators, real-time visualization |
 | 🌍 **Crypto + Stocks + Forex** | 10+ exchanges, IBKR, MT5 — all in one platform |
+| 📊 **Prediction Markets** | On-demand AI analysis for Polymarket — probability divergence, opportunity scoring |
 | 💰 **Monetization-Ready** | Membership, credits, USDT on-chain payment — built-in |
 | ⚡ **2-Minute Deploy** | `docker-compose up -d` — production-ready, zero build |
 
@@ -209,6 +210,7 @@ Phase 3 (Decision):  🎯 TraderAgent → BUY / SELL / HOLD (with confidence %)
 - **⚡ Quick Trade Panel** — See a signal? One-click to execute. No page switching.
 - **🧠 Memory-Augmented** — Agents learn from past analyses (local RAG, not cloud)
 - **🔌 5+ LLM Providers**: OpenRouter (100+ models), OpenAI, Gemini, DeepSeek, Grok
+- **📊 Polymarket Prediction Markets** — On-demand AI analysis for prediction markets. Input a market link or title → AI analyzes probability divergence, opportunity score, and trading recommendations. Full history tracking and billing integration.
 
 ### 📈 Full Trading Lifecycle
 
@@ -221,6 +223,33 @@ Phase 3 (Decision):  🎯 TraderAgent → BUY / SELL / HOLD (with confidence %)
 | **5. 🚀 Execute** | Live trade on 10+ crypto exchanges, IBKR (stocks), MT5 (forex) |
 | **6. 📡 Monitor** | Portfolio tracker, alerts via Telegram/Discord/Email/SMS/Webhook |
 
+### 📊 Polymarket Prediction Market Analysis
+
+> **On-demand AI analysis for prediction markets.** Input a Polymarket link or market title → AI analyzes probability divergence, opportunity score, and provides trading recommendations.
+
+**Features:**
+- **🔍 Smart Search** — Supports market links, slugs, or natural language titles
+- **🤖 AI Probability Prediction** — Compares AI-predicted probability vs market probability
+- **📈 Opportunity Scoring** — Calculates opportunity score based on divergence and confidence
+- **💡 Trading Recommendations** — YES/NO/HOLD with detailed reasoning and key factors
+- **📚 History Tracking** — View all your past analyses with full details in a dedicated history tab
+- **💰 Billing Integration** — Configurable credit consumption per analysis (set via `BILLING_COST_POLYMARKET_DEEP_ANALYSIS`)
+- **🌍 Multi-Language** — AI responses match your frontend language (English/Chinese)
+- **📊 Admin Statistics** — All analyses tracked in user management dashboard
+
+**Usage:**
+```
+1. Navigate to AI Asset Analysis → Prediction Markets tab
+2. Input Polymarket link or market title
+3. AI analyzes and returns:
+   - Market probability vs AI-predicted probability
+   - Divergence analysis
+   - Opportunity score (0-100)
+   - Trading recommendation (YES/NO/HOLD)
+   - Detailed reasoning and key factors
+4. View analysis history anytime
+```
+
 ### 💰 Built-in Monetization
 
 > Most open-source projects need months of custom billing work. QuantDinger ships with a **complete monetization system** out of the box:

backend_api_python/app/__init__.py

@@ -150,6 +150,12 @@ def restore_running_strategies():
                     logger.info(f"[OK] {strategy_type_name} {strategy_id} restored")
                 else:
                     logger.warning(f"[FAIL] {strategy_type_name} {strategy_id} restore failed (state may be stale)")
+                    # 如果恢复失败，更新数据库状态为stopped，避免策略处于"僵尸"状态
+                    try:
+                        strategy_service.update_strategy_status(strategy_id, 'stopped')
+                        logger.info(f"[FIX] Updated strategy {strategy_id} status to 'stopped' after restore failure")
+                    except Exception as e:
+                        logger.error(f"Failed to update strategy {strategy_id} status after restore failure: {e}")
             except Exception as e:
                 logger.error(f"Error restoring strategy {strategy_id}: {str(e)}")
                 logger.error(traceback.format_exc())

backend_api_python/app/config/__init__.py

@@ -4,7 +4,7 @@
 """
 from app.config.settings import Config
 from app.config.api_keys import APIKeys
-from app.config.database import RedisConfig, SQLiteConfig, CacheConfig
+from app.config.database import RedisConfig, CacheConfig
 from app.config.data_sources import (
     DataSourceConfig,
     FinnhubConfig,
@@ -23,7 +23,6 @@
 
     # 数据库/缓存
     'RedisConfig',
-    'SQLiteConfig',
     'CacheConfig',
 
     # 数据源

backend_api_python/app/config/database.py

@@ -46,26 +46,6 @@ def get_url(cls) -> str:
         return f"redis://{cls.HOST}:{cls.PORT}/{cls.DB}"
 
 
-class MetaSQLiteConfig(type):
-    """SQLite 配置"""
-    
-    @property
-    def DATABASE_FILE(cls):
-        # 默认放在 backend_api_python/data 目录（更干净，也与 docker-compose 挂载一致）
-        base_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-        default_path = os.path.join(base_dir, 'data', 'quantdinger.db')
-        return os.getenv('SQLITE_DATABASE_FILE', default_path)
-
-
-class SQLiteConfig(metaclass=MetaSQLiteConfig):
-    """SQLite 数据库配置"""
-    
-    @classmethod
-    def get_path(cls) -> str:
-        """获取数据库文件路径"""
-        return cls.DATABASE_FILE
-
-
 class MetaCacheConfig(type):
     """缓存业务配置"""