feat(lotto-evolver): 텔레그램 주간 evolution report 포맷 + 발송

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

agent-office/app/notifiers/telegram_lotto.py

@@ -1,6 +1,6 @@
 """로또 큐레이션·당첨 알림 — 텔레그램 푸시."""
 import logging
-from typing import Dict, Any
+from typing import Dict, Any, List
 
 # 기존 에이전트들과 동일한 패턴: send_raw(text, reply_markup=None, chat_id=None)
 # chat_id 생략 시 기본 TELEGRAM_CHAT_ID로 자동 발송.
@@ -159,3 +159,68 @@ async def send_signal_summary(digest: Dict[str, Any]) -> None:
         await send_raw(text)
     except Exception as e:
         logger.warning(f"[telegram_lotto] digest send failed: {e}")
+
+
+# ---------- Weight Evolver 주간 리포트 ----------
+
+_DAY_NAMES = ["월", "화", "수", "목", "금", "토"]
+_METRIC_NAMES = ["freq", "finger", "gap", "cooccur", "divers"]
+_REASON_LABEL = {
+    "winner_4plus": "4개 이상 일치 → base 교체",
+    "ema_blend": "3개 일치 → EMA blend (0.3)",
+    "unchanged": "유효 성과 없음 → base 유지",
+    "cold_start": "초기 균등 적용",
+}
+
+
+def _format_evolution_report(eval_result: Dict[str, Any], current_base: List[float]) -> str:
+    """주간 weight evolution 텔레그램 메시지. ok=False 또는 winner 없으면 빈 문자열."""
+    if not eval_result or "winner" not in eval_result:
+        return ""
+
+    draw_no = eval_result.get("draw_no", "?")
+    winner = eval_result["winner"]
+    new_base = eval_result.get("new_base") or [0.0] * 5
+    reason = eval_result.get("update_reason", "")
+    dow = winner.get("day_of_week", 0)
+    day_name = _DAY_NAMES[dow] if 0 <= dow < len(_DAY_NAMES) else "?"
+
+    lines = [
+        f"🧬 로또 학습 주간 리포트 ({draw_no}회차)",
+        "",
+        f"이번주 시도: 6일 × {winner.get('n_picks', 5)}세트",
+        "",
+        f"🏆 Winner: {day_name}요일",
+        f"  W = [" + ", ".join(
+            f"{name} {w:.2f}" for name, w in zip(_METRIC_NAMES, winner["weight"])
+        ) + "]",
+        f"  최고 적중: {winner.get('max_correct', 0)}개 일치 (max={winner.get('max_correct', 0)})",
+        f"  평균 점수: {winner.get('avg_score', 0):.2f}",
+        "",
+        f"📊 다음주 base 변경 ({reason}):",
+    ]
+    base_now = current_base or [0.2] * 5
+    for i, (cur, new) in enumerate(zip(base_now, new_base)):
+        diff = new - cur
+        if abs(diff) < 0.005:
+            marker = "="
+        elif diff > 0:
+            marker = "+" if diff < 0.05 else "++"
+        else:
+            marker = "-" if diff > -0.05 else "--"
+        lines.append(f"  {_METRIC_NAMES[i]:8s} {cur:.2f} → {new:.2f}  ({marker})")
+    lines.append("")
+    lines.append(f"  → {_REASON_LABEL.get(reason, reason)}")
+    lines.append("")
+    lines.append(f"[웹에서 차트 보기] ({LOTTO_URL}/evolver)")
+    return "\n".join(lines)
+
+
+async def send_evolution_report(eval_result: Dict[str, Any], current_base: List[float]) -> None:
+    text = _format_evolution_report(eval_result, current_base)
+    if not text:
+        return
+    try:
+        await send_raw(text)
+    except Exception as e:
+        logger.warning(f"[telegram_lotto] evolution report send failed: {e}")