fix:批量修复了一些问题

src/api/routes/matches.py

@@ -4,13 +4,13 @@ from __future__ import annotations
 from datetime import datetime, timedelta
 
 from fastapi import APIRouter, Depends, HTTPException, Query
-from sqlalchemy import select
+from sqlalchemy import or_, select
 from sqlalchemy.orm import selectinload
 
 from src.api.deps import require_admin
-from src.api.schemas import MatchListOut, MatchOut
+from src.api.schemas import MatchListOut, MatchOut, PredictionOut
 from src.db.base import AsyncSession, get_db_read
-from src.db.models import League, Match
+from src.db.models import League, Match, Prediction
 
 router = APIRouter(prefix="/api/v1", tags=["data"])
 
@@ -114,12 +114,26 @@ async def list_matches(
 async def get_match(match_id: int, db: AsyncSession = Depends(get_db_read)):
     stmt = (
         select(Match)
-        .options(selectinload(Match.league), selectinload(Match.home_team), selectinload(Match.away_team))
+        .options(
+            selectinload(Match.league),
+            selectinload(Match.home_team),
+            selectinload(Match.away_team),
+            selectinload(Match.stats),
+        )
         .where(Match.id == match_id)
     )
     m = (await db.execute(stmt)).scalar_one_or_none()
     if m is None:
         raise HTTPException(404, "match not found")
+    # 最近预测(倒序,最多 5 条)——复用 PredictionOut 结构,只读,不触发 LLM
+    preds = (
+        await db.execute(
+            select(Prediction)
+            .where(Prediction.match_id == match_id)
+            .order_by(Prediction.created_at.desc())
+            .limit(5)
+        )
+    ).scalars().all()
     return MatchOut(
         id=m.id,
         league_code=m.league.code if m.league else None,
@@ -135,4 +149,94 @@ async def get_match(match_id: int, db: AsyncSession = Depends(get_db_read)):
         match_stage=m.match_stage,
         home_xg=m.stats.home_xg if m.stats else None,
         away_xg=m.stats.away_xg if m.stats else None,
+        recent_predictions=[
+            PredictionOut(
+                id=p.id, match_id=p.match_id, provider=p.provider, model=p.model,
+                prompt_version=p.prompt_version, mode=p.mode or "single",
+                pred_home_goals=p.pred_home_goals, pred_away_goals=p.pred_away_goals,
+                alt_pred_home_goals=p.alt_pred_home_goals, alt_pred_away_goals=p.alt_pred_away_goals,
+                pred_1x2=p.pred_1x2, subjective_confidence=p.subjective_confidence,
+                reasoning=p.reasoning, status=p.status or "success",
+                agent_outputs=p.agent_outputs, agent_weights=p.agent_weights,
+                created_at=p.created_at, actual_home_goals=p.actual_home_goals,
+                actual_away_goals=p.actual_away_goals, settled=p.settled,
+            )
+            for p in preds
+        ],
     )
+
+
+@router.get("/matches/{match_id}/context", dependencies=[Depends(require_admin)])
+async def match_context(match_id: int, db: AsyncSession = Depends(get_db_read)):
+    """比赛上下文(只读,不触发 LLM):双方近况 + 历史交锋。
+
+    全部基于现有数据聚合:
+      - recent_home / recent客队:该队最近 5 场已完赛(进球/结果)
+      - h2h:双方最近 5 次交手
+    若数据不足,对应列表为空(前端展示空态)。
+    """
+    m = (
+        await db.execute(
+            select(Match)
+            .options(selectinload(Match.home_team), selectinload(Match.away_team))
+            .where(Match.id == match_id)
+        )
+    ).scalar_one_or_none()
+    if m is None:
+        raise HTTPException(404, "match not found")
+    home_id = m.home_team_id
+    away_id = m.away_team_id
+
+    def _row_to_dict(row):
+        return {
+            "match_date": row.match_date.isoformat() if row.match_date else None,
+            "home_team": row.home_team.name_zh or row.home_team.name if row.home_team else None,
+            "away_team": row.away_team.name_zh or row.away_team.name if row.away_team else None,
+            "home_goals": row.home_goals,
+            "away_goals": row.away_goals,
+        }
+
+    # 主队近况(已完赛,含主/客场)
+    home_recent = (
+        await db.execute(
+            select(Match)
+            .where(Match.match_status == "finished", Match.home_team_id == home_id)
+            .order_by(Match.match_date.desc())
+            .limit(5)
+            .options(selectinload(Match.home_team), selectinload(Match.away_team))
+        )
+    ).scalars().all()
+
+    # 客队近况
+    away_recent = (
+        await db.execute(
+            select(Match)
+            .where(Match.match_status == "finished", Match.away_team_id == away_id)
+            .order_by(Match.match_date.desc())
+            .limit(5)
+            .options(selectinload(Match.home_team), selectinload(Match.away_team))
+        )
+    ).scalars().all()
+
+    # 历史交锋(双方已完赛)
+    h2h = (
+        await db.execute(
+            select(Match)
+            .where(
+                Match.match_status == "finished",
+                or_(
+                    (Match.home_team_id == home_id) & (Match.away_team_id == away_id),
+                    (Match.home_team_id == away_id) & (Match.away_team_id == home_id),
+                ),
+            )
+            .order_by(Match.match_date.desc())
+            .limit(5)
+            .options(selectinload(Match.home_team), selectinload(Match.away_team))
+        )
+    ).scalars().all()
+
+    return {
+        "home_recent": [_row_to_dict(r) for r in home_recent],
+        "away_recent": [_row_to_dict(r) for r in away_recent],
+        "h2h": [_row_to_dict(r) for r in h2h],
+    }