feat: 核心模块增强 — 加密 + 运行时配置 + 日志缓冲

- crypto.py: API Key 加密/解密工具
- runtime_config.py: 运行时动态配置管理
- log_buffer.py: 内存日志缓冲区
- config.py: 新增加密配置项
- http_client.py: 增强重试和错误处理

src/llm/backtest.py

@@ -20,6 +20,7 @@ from src.db.unit_of_work import get_uow
 from src.llm.eval import settle_prediction
 from src.llm.predict import predict_match
 from src.llm.utils import actual_1x2
+from src.data.team_names_zh import zh_name
 
 logger = logging.getLogger(__name__)
 
@@ -31,6 +32,8 @@ class BacktestMatchResult:
     league_code: str | None
     home_team: str
     away_team: str
+    home_team_zh: str | None
+    away_team_zh: str | None
     match_date: str
     actual_home: int
     actual_away: int
@@ -54,6 +57,8 @@ class BacktestCandidate:
     league_code: str | None
     home_team: str
     away_team: str
+    home_team_zh: str | None
+    away_team_zh: str | None
     match_date: datetime
     home_goals: int
     away_goals: int
@@ -113,6 +118,8 @@ async def _get_historical_matches(
             league_code=m.league.code if m.league else None,
             home_team=m.home_team.name if m.home_team else "?",
             away_team=m.away_team.name if m.away_team else "?",
+            home_team_zh=zh_name(m.home_team.name) if m.home_team else None,
+            away_team_zh=zh_name(m.away_team.name) if m.away_team else None,
             match_date=m.match_date,
             home_goals=m.home_goals,
             away_goals=m.away_goals,
@@ -164,6 +171,8 @@ async def run_backtest(
                     league_code=c.league_code,
                     home_team=c.home_team,
                     away_team=c.away_team,
+                    home_team_zh=c.home_team_zh,
+                    away_team_zh=c.away_team_zh,
                     match_date=c.match_date.strftime("%Y-%m-%d") if c.match_date else "?",
                     actual_home=c.home_goals,
                     actual_away=c.away_goals,