增加大模型

backend/app/main.py

@@ -2,17 +2,19 @@ import logging
 from contextlib import asynccontextmanager
 from pathlib import Path
 
-from fastapi import FastAPI, HTTPException
-from fastapi.responses import FileResponse
+from fastapi import BackgroundTasks, FastAPI, HTTPException
+from fastapi.responses import FileResponse, Response
 from fastapi.staticfiles import StaticFiles
 
 from .config import ROOT_DIR, settings
 from .funding_store import get_funding_bundle
 from .kline_store import get_daily_candles, sync_daily_klines
-from .db import get_latest_snapshot, init_db, log_push, save_snapshot
+from .db import get_latest_snapshot, get_llm_interpretations, init_db, log_push, save_snapshot
 from .exceptions import BinanceRateLimitedError
 from .period_api import get_period_top30
 from .periods import get_daybefore_period, get_today_period, get_yesterday_period
+from .chart_image import render_daily_chart_png_async
+from .llm_service import get_interpret_state, run_interpretation_batch
 from .scheduler import job_finalize_yesterday, job_push_wecom, job_refresh_today, start_scheduler, startup_tasks, stop_scheduler
 from .stats import compute_three_day_stats
 from .aggregator import aggregate_period
@@ -165,6 +167,49 @@ async def api_funding_history(symbol: str, limit: int | None = None, refresh: bo
         raise HTTPException(502, "资金费率获取失败") from e
 
 
+@app.get("/api/chart/{symbol}/daily.png")
+async def api_chart_daily_png(symbol: str, limit: int | None = None):
+    sym = symbol.upper().strip()
+    if not sym.endswith("USDT"):
+        raise HTTPException(400, "invalid symbol")
+    try:
+        png = await render_daily_chart_png_async(sym, limit or settings.chart_kline_limit)
+        return Response(content=png, media_type="image/png")
+    except ValueError as e:
+        raise HTTPException(404, str(e)) from e
+    except Exception as e:
+        logger.error("chart png %s failed: %s", sym, e)
+        raise HTTPException(502, "图表生成失败") from e
+
+
+@app.get("/api/llm/status")
+async def api_llm_status():
+    state = get_interpret_state()
+    return {
+        **state,
+        "enabled": bool(settings.llm_api_key.strip()),
+        "model": settings.llm_model,
+        "base_url": settings.llm_base_url,
+        "interval_sec": settings.llm_symbol_interval_sec,
+    }
+
+
+@app.get("/api/llm/interpretations")
+async def api_llm_interpretations(batch_id: str | None = None, limit: int = 50):
+    return {"items": get_llm_interpretations(batch_id, limit)}
+
+
+@app.post("/api/llm/interpret/run")
+async def api_llm_interpret_run(background_tasks: BackgroundTasks):
+    if not settings.llm_api_key.strip():
+        raise HTTPException(400, "LLM_API_KEY 未配置")
+    state = get_interpret_state()
+    if state.get("running"):
+        return {"ok": False, "message": "解读任务进行中", **state}
+    background_tasks.add_task(run_interpretation_batch)
+    return {"ok": True, "message": "已启动三日交集解读队列", **get_interpret_state()}
+
+
 @app.post("/api/chart/{symbol}/daily/refresh")
 async def api_chart_daily_refresh(symbol: str, limit: int | None = None):
     """强制从币安同步日 K 到本地库。"""