refactor: rename stock-lab → stock (graduation)

- git mv stock-lab/ → stock/
- docker-compose.yml: 서비스 키 + container_name + build.context +
  frontend.depends_on + agent-office STOCK_LAB_URL → STOCK_URL
- agent-office/app: config.py, service_proxy.py, agents/stock.py, tests/
  STOCK_LAB_URL → STOCK_URL
- nginx/default.conf: proxy_pass http://stock-lab → http://stock (3 lines)
- CLAUDE.md / README.md / STATUS.md / scripts/ 문구 갱신
- stock/ 내부 자기 참조 갱신

lab 네이밍 정책 (feedback_lab_naming.md) graduation.
API URL / Python import / DB 파일명 변경 없음.

stock/app/screener/telegram.py

@@ -0,0 +1,82 @@
+"""Telegram payload builder. Caller (agent-office) handles actual delivery."""
+
+from __future__ import annotations
+
+import datetime as dt
+
+# 노드별 풀 라벨 (아이콘 대신 사용 — 사용자가 명확한 이름 선호)
+NODE_LABELS = {
+    "foreign_buy":  "외국인",
+    "volume_surge": "거래량급증",
+    "momentum":     "20일모멘텀",
+    "high52w":      "52주신고가",
+    "rs_rating":    "RS레이팅",
+    "ma_alignment": "이평선정배열",
+    "vcp_lite":     "VCP수축",
+}
+
+PAGE_BASE = "https://gahusb.synology.me/stock/screener"
+
+
+def _escape_md(s: str) -> str:
+    """Minimal MarkdownV2 escape — extend if formatting breaks."""
+    for ch in r"\_*[]()~`>#+-=|{}.!":
+        s = s.replace(ch, "\\" + ch)
+    return s
+
+
+def _format_won(n) -> str:
+    """1,234,567원 형태 (None 시 '-')."""
+    if n is None:
+        return "\\-"
+    return f"{int(n):,}원"
+
+
+def _format_active_nodes(scores: dict, threshold: int = 70) -> str:
+    """70점 이상 노드를 '라벨 점수' 형태로 나열, 콤마 구분."""
+    active = []
+    for name, sc in scores.items():
+        label = NODE_LABELS.get(name)
+        if label is None or sc < threshold:
+            continue
+        active.append(f"{_escape_md(label)} {int(sc)}")
+    return " · ".join(active) if active else "\\(70점 이상 노드 없음\\)"
+
+
+def build_telegram_payload(asof: dt.date, mode: str, survivors_count: int,
+                           top_n: int, rows: list, run_id) -> dict:
+    title = "*KRX 강세주 스크리너*"
+    header = (
+        f"🎯 {title} — {_escape_md(asof.isoformat())} \\({_escape_md(mode)}\\)\n"
+        f"통과 {survivors_count}종 / Top {top_n} / 본문 1\\-10"
+    )
+
+    lines = []
+    for r in rows[:10]:
+        nodes_str = _format_active_nodes(r.get("scores", {}))
+        score_str = f"{r['total_score']:.1f}"
+        r_pct = r.get("r_pct")
+        r_pct_str = f"{r_pct:.1f}" if r_pct is not None else "-"
+        lines.append(
+            f"{r['rank']}\\. *{_escape_md(r['name'])}*  `{r['ticker']}`   "
+            f"⭐ {_escape_md(score_str)}\n"
+            f"   {nodes_str}\n"
+            f"   진입 {_format_won(r.get('entry_price'))}  "
+            f"손절 {_format_won(r.get('stop_price'))}  "
+            f"익절 {_format_won(r.get('target_price'))}   "
+            f"\\(R {_escape_md(r_pct_str)}%\\)"
+        )
+
+    # URL은 inline link로 감싸 URL 내부 . - ? = 이스케이프 회피
+    link = (
+        f"🔗 [전체 결과·11\\~20위]({PAGE_BASE}?run_id={run_id})"
+        if run_id else ""
+    )
+
+    text = header + "\n\n" + "\n\n".join(lines) + ("\n\n" + link if link else "")
+
+    return {
+        "chat_target": "default",
+        "parse_mode": "MarkdownV2",
+        "text": text,
+    }