AI 포트폴리오 분석 엔드포인트 및 Gemini 연동 제거

프롬프트 생성/복사 방식으로 전환하여 더 이상 불필요한
/api/stock/ai-analysis 엔드포인트, ai_analyst.py, google-generativeai 패키지 제거

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

stock-lab/app/main.py

@@ -19,7 +19,6 @@ from .db import (
 )
 from .scraper import fetch_market_news, fetch_major_indices, fetch_overseas_news
 from .price_fetcher import get_current_prices
-from .ai_analyst import analyze_portfolio as ai_analyze_portfolio
 
 app = FastAPI()
 
@@ -413,45 +412,3 @@ def remove_sell_history(record_id: int):
 
 
 
-# ═══════════════════════════════════════════════════════════════
-# AI 포트폴리오 분석 (Gemini Pro)
-# ═══════════════════════════════════════════════════════════════
-
-@app.get("/api/stock/ai-analysis")
-def get_ai_analysis(force: bool = False):
-    """AI 전문가 포트폴리오 분석 (Gemini Pro).
-
-    - 캐시: 5분 TTL (force=true 로 강제 갱신)
-    - 보유 종목 현재가 + 최근 뉴스를 포함해 Gemini에 전달
-    """
-    # 포트폴리오 + 현재가 조회
-    items = get_all_portfolio()
-    if items:
-        tickers = list({item["ticker"] for item in items})
-        prices = get_current_prices(tickers)
-    else:
-        prices = {}
-
-    holdings = []
-    for item in items:
-        cp = prices.get(item["ticker"])
-        buy = item["avg_price"] * item["quantity"]
-        eval_amt = cp * item["quantity"] if cp is not None else None
-        profit = (eval_amt - buy) if eval_amt is not None else None
-        rate = round((profit / buy) * 100, 2) if (profit is not None and buy) else None
-        holdings.append({
-            **item,
-            "current_price": cp,
-            "profit_amount": profit,
-            "profit_rate": rate,
-        })
-
-    # 최근 뉴스 (국내 20건)
-    news = get_latest_articles(20)
-    if not isinstance(news, list):
-        news = []
-
-    try:
-        return ai_analyze_portfolio(holdings, news, force=force)
-    except RuntimeError as exc:
-        return JSONResponse(status_code=500, content={"error": str(exc)})