feat: Ollama qwen3:14b 기반 AI 뉴스 요약 + 텔레그램 통합 허브

- stock-lab: POST /api/stock/news/summarize 추가 (Ollama /api/generate 호출, 토큰/duration 추적)
- agent-office: telegram 패키지 분해 (client/formatter/messaging/webhook/router/agent_registry)
- send_agent_message 통합 API로 에이전트 중립 메시지 포맷 표준화
- 텔레그램 → 에이전트 명령 라우터 (/status, /stock news, /music credits 등)
- 토큰 사용량 집계 API 및 GET /agents/{id}/token-usage

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

agent-office/app/telegram/__init__.py

@@ -0,0 +1,19 @@
+"""Telegram 통합 메시지 패키지."""
+from .agent_registry import AGENT_META, get_agent_meta, register_agent
+from .messaging import send_agent_message, send_approval_request, send_raw
+from .router import parse_command, resolve_agent_command, HELP_TEXT
+from .webhook import handle_webhook, setup_webhook
+
+__all__ = [
+    "send_agent_message",
+    "send_approval_request",
+    "send_raw",
+    "handle_webhook",
+    "setup_webhook",
+    "get_agent_meta",
+    "register_agent",
+    "AGENT_META",
+    "parse_command",
+    "resolve_agent_command",
+    "HELP_TEXT",
+]